CN101227766B - Moving-coil type electro-acoustic conversing device - Google Patents
Moving-coil type electro-acoustic conversing device Download PDFInfo
- Publication number
- CN101227766B CN101227766B CN 200810013978 CN200810013978A CN101227766B CN 101227766 B CN101227766 B CN 101227766B CN 200810013978 CN200810013978 CN 200810013978 CN 200810013978 A CN200810013978 A CN 200810013978A CN 101227766 B CN101227766 B CN 101227766B
- Authority
- CN
- China
- Prior art keywords
- voice coil
- lead
- magnetic circuit
- wire
- moving
- 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.)
- Active
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a moving coil type electron-phonon converter which comprises a magnetic circuit device and a vibration device, wherein the magnetic circuit device and the vibration device are combined together through a shell, the vibration device comprises a vibration film which is fixed on the shell and a voice coil which is fixed on the vibration film, wherein a lead wire which inputs electric signals is arranged on the voice coil, the converter is characterized in that the lead wire of the voice coil is arranged on a bonding point which is far from the vibration film and the voice coil, and a lead wire hole which is provided for the lead wire to connect externally is arranged on the moving coil type electron-phonon converter and far from the vibration film. When the moving coil type electron-phonon converting system products with the structure work in high power, the lead wire is not collided by other fitting parts easily, the connecting mode is simple, the convenience of structural design is increased, the product performance is increased, the reliability is good, and the cost is low.
Description
Technical field
The present invention relates to a kind of moving-coil type electro-acoustic conversing device, especially relate to the non-damageable moving-coil type electro-acoustic conversing device of lead-in wire on a kind of voice coil loudspeaker voice coil.
Background technology
In recent years; Develop rapidly along with electronic product markets such as mobile phone, notebook computers; The moving-coil type electro-acoustic conversing device (generally comprising receiver and electroacoustic transducer) that cost performance is excellent is widely used, and is a kind of common moving-coil type electro-acoustic conversing device like accompanying drawing 6, and its magnetic circuit device is the internal magnetic circuit structure; The main body flat shape is circular; Comprise a middle portion flattening, form the peviform basin frame 11 of sidewall on every side, basin frame 11 middle part flats are installed a circular magnet 12 and a circular washer 13 successively, thereby the sidewall of basin frame 11 and magnet 12, washer 13 form a magnetic gap; A plastic casing 16 is bonded together with magnetic circuit device; And be bonded with a vibrating diaphragm 15 on the shell 16, vibrating diaphragm 15 edge parts are bonded on the shell 16, are bonded with an annular voice coil loudspeaker voice coil 14 simultaneously; Annular voice coil loudspeaker voice coil 14 is in magnetic gap inside, thereby has formed basic moving-coil type electro-acoustic conversing device structure.This constructed products; Its lead-in wire 18 is drawn from the upper end of voice coil loudspeaker voice coil 14 and the junction of vibrating diaphragm 15,18 is bonded together without viscose with vibrating diaphragm 15 in order to guarantee to go between, and causes the quality of vibrating diaphragm and unbalanced stress to spare; Cause that tonequality is bad; The lead-in wire 18 of this structure adopts unsettled design, 18 unsettled being connected on the preset metal pad of shell that go between, and the metal aperture through enclosure is electrically communicated on the wiring board 17 of housing exterior.
When but the vibrating diaphragm of this product 15 Oscillation Amplitudes are big, be easy to cause unsettled lead-in wire 18 to collide shell 16 or basin frame 11 edges, cause that easily broken string and tonequality are bad; Yet electronic product is exactly high-power, dominance ability for the universal demand of electroacoustic transducer now, on original structure; Can't realize these characteristics; And it is comparatively complicated that this constructed products lead-in wire 18 is communicated to the design of shell 16 outside line plates 17, causes product hidden danger easily.So, be necessary the structure of moving-coil type electro-acoustic conversing device is improved.
Summary of the invention
Technical problem to be solved by this invention provides a kind of moving-coil type electro-acoustic conversing device, and in powerful work, lead-in wire is not easy to receive the collision and the friction of other parts, and connected mode is simple.
For solving the problems of the technologies described above; Technical scheme of the present invention is: moving-coil type electro-acoustic conversing device; Comprise magnetic circuit device and vibrating device; Said magnetic circuit device and vibrating device combine through shell, and said vibrating device comprises the vibrating diaphragm that is fixed on the said shell and be fixed on the voice coil loudspeaker voice coil on the said vibrating diaphragm that said voice coil loudspeaker voice coil is provided with the lead-in wire of input electrical signal; It is characterized in that: the lead-in wire on the said voice coil loudspeaker voice coil is arranged on the bonding point position away from said vibrating diaphragm and voice coil loudspeaker voice coil, is provided with the fairlead that supplies said lead external on the said moving-coil type electro-acoustic conversing device and away from said vibrating diaphragm position.
A kind of improvement of the present invention is: said magnetic circuit device comprises that an edge forms sidewall and the peviform basin frame of middle portion flattening, a magnet and the internal magnetic circuit device that washer is formed; Said basin frame sidewall or bottom are provided with fairlead, and said lead-in wire passes through the magnetic gap and the said fairlead of said magnetic circuit device.
A kind of improvement of the present invention is: said magnetic circuit device comprises that edge is smooth and the middle part forms the external magnetic circuit device that basin frame, magnet and the washer of hollow boss portion are formed; The sidewall of said basin frame lug boss is provided with fairlead, and said lead-in wire passes through the magnetic gap and the said fairlead of said magnetic circuit device.
A kind of improvement of the present invention is: said magnetic circuit device comprise rectangle the basin frame, be installed in the bar magnet on the said basin frame and be installed in the washer on the magnet, said basin frame, magnet and washer form two strip magnetic gap; Said shell is a rectangle frame posture shell; Being shaped as of said vibrating diaphragm is narrow microscler; Said voice coil loudspeaker voice coil is narrow microscler frame voice coil loudspeaker voice coil; Two symmetrical limits of said voice coil loudspeaker voice coil are positioned at the magnetic gap of said magnetic circuit device, and the part of said outer casing bottom opening is by the shutoff of said basin frame, and it is fairlead that said outer casing bottom does not seal opening; Said lead-in wire passes through said fairlead.
The further improvement of technique scheme is: said fairlead is one, and all draw from a said fairlead at the two ends of said lead-in wire.
The further improvement of technique scheme is: said fairlead is two, is symmetrically distributed in the both sides of said magnetic circuit device, and draw from said two fairleads respectively at the two ends of said lead-in wire.
The further improvement of technique scheme is: said lead-in wire is provided with the crooked flaccid part of shapes such as helical form, zigzag in the magnetic gap inside of said magnetic circuit device.
Improvement of the present invention is: said moving-coil type electro-acoustic conversing device also includes wiring board, and said lead-in wire is connected on the wiring board of said shell after passing said fairlead.
Improvement of the present invention is: said moving-coil type electro-acoustic conversing device also includes wiring board, and said lead-in wire is connected on the wiring board of the hollow boss portion inside that is arranged on said basin frame after passing said fairlead.
Improvement of the present invention is: said rectangle magnetic circuit device is internal magnetic circuit device, external magnetic circuit device or double magnetic circuit device.
Also comprise other parts such as a protecgulum that covers vibrating diaphragm and damping, connector, dust proof member in the general moving-coil type electroacoustic converting system structure, the setting of this type of part and have or not the creativeness that does not influence this patent is repeated no more at this.The present invention can be applied in the various magnetic structures such as internal magnetic circuit, external magnetic circuit, double magnetic circuit.
Owing to adopted technique scheme; Moving-coil type electro-acoustic conversing device; Comprise magnetic circuit device and vibrating device; Said magnetic circuit device and vibrating device combine through shell, and said vibrating device comprises the vibrating diaphragm that is fixed on the said shell and be fixed on the voice coil loudspeaker voice coil on the said vibrating diaphragm that said voice coil loudspeaker voice coil is provided with the lead-in wire of input electrical signal; It is characterized in that: the lead-in wire on the said voice coil loudspeaker voice coil is arranged on the bonding point position away from said vibrating diaphragm and voice coil loudspeaker voice coil, is provided with the fairlead that supplies said lead external on the said moving-coil type electro-acoustic conversing device and away from said vibrating diaphragm position; The moving-coil type electroacoustic converting system product of this structure is in powerful work, and lead-in wire is not easy to receive the collision of other parts, and connected mode is simple, and the structural design convenience strengthens, and properties of product lifting, good reliability, cost are low.
Description of drawings
Fig. 1 is the structural representation of case study on implementation one of the present invention;
Fig. 2 is the structural representation of case study on implementation two of the present invention;
Fig. 3 is the structure principle chart of case study on implementation three of the present invention, and the A-A that is Fig. 5 is to cutaway view;
Fig. 4 is the structure principle chart of case study on implementation three of the present invention, and the B-B that is Fig. 5 is to cutaway view;
Fig. 5 is the schematic top plan view after case study on implementation three of the present invention removes vibrating diaphragm;
Fig. 6 is the structural representation of background technology.
Embodiment
Embodiment one
As shown in Figure 1; This case study on implementation has been described a kind of moving-coil type electro-acoustic conversing device; Comprise edge to form sidewall and the circular basin frame of the peviform of middle portion flattening 11, a circular magnet 12 and the internal magnetic circuit device that circular washer 13 is formed; Magnet 12 and washer 13 are bonded in the centre bottom of basin frame 11 successively, thereby the sidewall of magnet 12, washer 13 and basin frame 11 forms a magnetic gap; Comprise a voice coil loudspeaker voice coil 14 and a vibrating diaphragm 15, voice coil loudspeaker voice coil 14 bonds together with vibrating diaphragm 15, voice coil loudspeaker voice coil 14 places in the magnetic gap, thereby forms a vibrating device; Comprise a shell 16, shell 16 is bonded and fixed at the edge and the magnetic circuit device of vibrating diaphragm 15 together, and shell 16 outsides also are useful on the wiring board 17 of connecting circuit; The sidepiece of basin frame 11 is provided with the otch 19 of a vertical direction, and the lead-in wire 18 on the voice coil loudspeaker voice coil 14 is drawn from the bottom of voice coil loudspeaker voice coil 14, and passes through technologies such as welding procedure, electronic spot-weldings from otch 19 and to be connected on the wiring board 17, and lead-in wire 18 keeps vacant states.
This lead-in wire draws from voice coil loudspeaker voice coil below, the otch through basin frame side passes the design that is connected on the housing exterior wiring board; In the high power work of electroacoustic transducer; Lead-in wire is difficult to touch magnetic circuit part or shell, and lead-in wire keeps vacant state also to avoid lead-in wire is bonded in cause on the vibrating diaphragm various bad, simultaneously; Otch can substitute the effect of letting out hole on original electroacoustic transducer shell, does not need additional designs to let out hole.
Embodiment two
As shown in Figure 2; This case study on implementation has been described another kind of moving-coil type electro-acoustic conversing device; Comprise that smooth and middle part, edge convexes to form the circular basin frame of the peviform of a hollow boss portion 21, an annular magnet 22 and the internal magnetic circuit device that annular washer 23 is formed; Magnet 22 and washer 23 are bonded in the par, middle edge of basin frame 21 successively, thereby the middle part of magnet 22, washer 23 and basin frame 21 convexes to form a magnetic gap; Comprise a voice coil loudspeaker voice coil 24 and a vibrating diaphragm 25, voice coil loudspeaker voice coil 24 bonds together with vibrating diaphragm 25, voice coil loudspeaker voice coil 24 places in the magnetic gap, thereby forms a vibrating device; Comprise a shell 26, shell 26 is bonded and fixed at the edge and the magnetic circuit device of vibrating diaphragm 25 together, and the hollow boss portion inside of basin frame 21 also is useful on the wiring board 27 of connecting circuit; The hollow boss portion sidepiece of basin frame 21 is provided with the otch 29 of two vertical direction of symmetrical distribution, and two of the symmetrical distribution on the voice coil loudspeaker voice coil 24 lead-in wires 28 are drawn from the bottom of voice coil loudspeaker voice coil 24, and passes from otch 29 and to be connected on the wiring board 27, and lead-in wire 28 keeps vacant states.
All advantages of the moving-coil type electro-acoustic conversing device of this case study on implementation electroacoustic transducer system in possessing case study on implementation 1; Because the external magnetic circuit apparatus structure that the basin frame, annular magnet and the annular washer that have adopted smooth and middle part, edge to form hollow boss portion are formed; The sidewall of basin frame lug boss is provided with otch; Lead-in wire passes, is connected on the wiring board of the hollow boss portion inside that is arranged on the basin frame through the magnetic gap and the otch of magnetic circuit device; And the extraction location of two lead-in wires on voice coil loudspeaker voice coil is symmetrically distributed, and the basin frame is provided with two fairleads of symmetrical distribution.The hollow boss portion volume inside that this design first can effectively utilize the basin frame is used to arrange splicing ears such as wiring board and bonding wire, elastic sheet metal, spring, even components and parts such as installation resistance; The extraction location of second lead-in wire on voice coil loudspeaker voice coil is symmetrically distributed can be so that the stress balance of voice coil loudspeaker voice coil; The 3rd basin frame is provided with two fairleads of symmetrical distribution and places the uneven generation of the magnetic line of force.
Embodiment three
Like Fig. 3, Fig. 4, shown in Figure 5; This case study on implementation has been described another moving-coil type electro-acoustic conversing device; Comprise that both sides are smooth and strip basin frame that the middle part is protruding 31, two strip magnet 32 and two external magnetic circuit devices that strip washer 33 is formed; Magnet 32 and washer 32 are bonded in the par, both sides of basin frame 31 successively, thereby the middle part of magnet 32, washer 33 and basin frame 31 convexes to form a magnetic gap; Comprise a microscler voice coil loudspeaker voice coil 34 and a microscler vibrating diaphragm 35, voice coil loudspeaker voice coil 34 bonds together with vibrating diaphragm 35, voice coil loudspeaker voice coil 34 places in the magnetic gap, thereby forms a vibrating device; Comprise an elongated envelope 36, shell 36 is bonded and fixed at the edge and the magnetic circuit device of vibrating diaphragm 35 together, and the bottom of shell 36 is provided with two wiring boards 37 of symmetrical distribution; Shell 36 is similar to a rectangular frame; Its long axis direction is consistent with the long axis direction of magnetic circuit device system; And the two ends of its long axis direction grow the two ends of magnetic circuit device system long axis direction; Thereby, having formed two holes 39 between the two ends of the two ends of shell 36 long axis directions and magnetic circuit device system long axis direction, these two holes are as the fairlead 39 of lead-in wire 38; Two of symmetrical distribution on the voice coil loudspeaker voice coil 34 lead-in wires 38 are drawn from the bottom of voice coil loudspeaker voice coil 34, and pass from fairlead 39 and to be connected on the wiring board 37, and lead-in wire 38 keeps vacant states, and go between and 38 have spiral-shaped bending.
All advantages of the moving-coil type electro-acoustic conversing device of this case study on implementation electroacoustic transducer system in possessing case study on implementation two; Because adopted microscler magnetic Circuit Design; This design has further reduced the difficulty of product design; Do not need to be provided with separately fairlead, and can the many usefulness in a hole, the magnetic line of force that effectively utilizes; And the spiral-shaped curved design of lead-in wire can prevent effectively that electroacoustic transducer from causing the broken string or long some bumps, the friction interference of causing that go between when high power work.On the basis of this case study on implementation, adjust, promptly can be applied in internal magnetic circuit structure or the two magnetic route structure.
Claims (4)
1. moving-coil type electro-acoustic conversing device; Comprise magnetic circuit device and vibrating device; Said magnetic circuit device and vibrating device combine through shell; Said vibrating device comprises the vibrating diaphragm that is fixed on the said shell and is fixed on the voice coil loudspeaker voice coil on the said vibrating diaphragm; Said voice coil loudspeaker voice coil is provided with the lead-in wire of input electrical signal, it is characterized in that: the lead-in wire on the said voice coil loudspeaker voice coil is arranged on the bonding point position away from said vibrating diaphragm and voice coil loudspeaker voice coil, is provided with the fairlead that supplies said lead external on the said moving-coil type electro-acoustic conversing device and away from said vibrating diaphragm position;
Said magnetic circuit device comprises that edge is smooth and the middle part forms the external magnetic circuit device that basin frame, magnet and the washer of hollow boss portion are formed; Said fairlead is located on the sidewall of said basin frame lug boss, and said lead-in wire passes through the magnetic gap and the said fairlead of said magnetic circuit device;
Hollow boss portion set inside at said basin frame has wiring board, and said lead-in wire is connected on the said wiring board after passing said fairlead.
2. moving-coil type electro-acoustic conversing device as claimed in claim 1 is characterized in that: said fairlead is one, and all draw from a said fairlead at the two ends of said lead-in wire.
3. moving-coil type electro-acoustic conversing device as claimed in claim 1 is characterized in that: said fairlead is two, is symmetrically distributed in the both sides of said magnetic circuit device, and draw from said two fairleads respectively at the two ends of said lead-in wire.
4. moving-coil type electro-acoustic conversing device as claimed in claim 1 is characterized in that: said lead-in wire is provided with spiral helicine crooked flaccid part in the magnetic gap inside of said magnetic circuit device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810013978 CN101227766B (en) | 2008-01-29 | 2008-01-29 | Moving-coil type electro-acoustic conversing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810013978 CN101227766B (en) | 2008-01-29 | 2008-01-29 | Moving-coil type electro-acoustic conversing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101227766A CN101227766A (en) | 2008-07-23 |
| CN101227766B true CN101227766B (en) | 2012-12-05 |
Family
ID=39859462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810013978 Active CN101227766B (en) | 2008-01-29 | 2008-01-29 | Moving-coil type electro-acoustic conversing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101227766B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101808261A (en) * | 2010-04-14 | 2010-08-18 | 东莞泉声电子有限公司 | Sound film structure of moving-coil electroacoustic device and manufacturing method thereof |
| CN102395096A (en) * | 2011-11-15 | 2012-03-28 | 楼氏电子（北京）有限公司 | Vibration assembly and manufacturing method thereof, and electroacoustic transducer |
| CN103200476B (en) * | 2013-04-09 | 2016-01-20 | 苏州恒听电子有限公司 | A kind of receiver and multiple unit receiver group with split type circuit board |
| CN108012224B (en) * | 2017-12-29 | 2023-11-21 | 歌尔股份有限公司 | Vibrating diaphragm and electroacoustic transducer |
| JP7149585B2 (en) * | 2018-12-17 | 2022-10-07 | 株式会社オーディオテクニカ | Electroacoustic transducer and electroacoustic transducer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4100539B2 (en) * | 2001-05-23 | 2008-06-11 | スター精密株式会社 | Speaker |
| CN1602648B (en) * | 2002-11-28 | 2010-04-21 | 松下电器产业株式会社 | Loudspeakers |
| JP4594858B2 (en) * | 2005-12-14 | 2010-12-08 | スター精密株式会社 | Speaker |
| CN201185474Y (en) * | 2008-01-29 | 2009-01-21 | 歌尔声学股份有限公司 | Moving-coil type electro-acoustic conversion device |
-
2008
- 2008-01-29 CN CN 200810013978 patent/CN101227766B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101227766A (en) | 2008-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3352476B1 (en) | Receiver | |
| CN111405431B (en) | Sound production device and loudspeaker box thereof | |
| CN109862477B (en) | Sound production device | |
| US9307306B2 (en) | Micro loudspeaker and electronic device using same | |
| US11950071B2 (en) | Acoustic device | |
| CN104185127B (en) | Microspeaker | |
| CN109379680B (en) | Sound production device | |
| CN101227766B (en) | Moving-coil type electro-acoustic conversing device | |
| CN102811410B (en) | Electroacoustic transducer | |
| CN209897257U (en) | Sound production device | |
| CN109547898A (en) | Microphone device | |
| US10104476B2 (en) | Miniature loudspeaker | |
| CN208924471U (en) | Microphone device | |
| CN109275075B (en) | Sound production device | |
| CN201185474Y (en) | Moving-coil type electro-acoustic conversion device | |
| US20210235195A1 (en) | Vibration Diaphragm, Vibration Assembly, Sound Generator and Sound Generator Module | |
| CN202841505U (en) | Electroacoustic transducer | |
| US10244329B2 (en) | Receiver | |
| CN101227767A (en) | Minitype moving-coil type electro-acoustic conversing device | |
| US10244326B2 (en) | Miniature sounder | |
| WO2019205658A1 (en) | Sound producing device, sound producing module, and electronic terminal | |
| CN201153323Y (en) | Micro moving-coil type electro-acoustic conversion device | |
| CN117440301B (en) | Speaker monomer and electronic equipment | |
| CN109327775A (en) | Special-shaped voice coil and loudspeaker, the electronic equipment for using it | |
| US11671761B2 (en) | Sounding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |