CN108566596A - Voice coil winding method and voice coil, the acoustical generator equipped with the voice coil - Google Patents
Voice coil winding method and voice coil, the acoustical generator equipped with the voice coil Download PDFInfo
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- CN108566596A CN108566596A CN201810348024.4A CN201810348024A CN108566596A CN 108566596 A CN108566596 A CN 108566596A CN 201810348024 A CN201810348024 A CN 201810348024A CN 108566596 A CN108566596 A CN 108566596A
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- voice coil
- coiling
- conductor layer
- conducting wire
- layer
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Classifications
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The invention discloses a kind of voice coil winding method and voice coil and equipped with the acoustical generator of the voice coil, it is related to electro-acoustic product, wherein voice coil is formed by conducting wire coiling, voice coil has multiple conductor layers radially, and voice coil includes top, middle part and bottom, its top side is connect with vibrating diaphragm, and method includes：Utilize conducting wire coiling inner conductor layer；Coiling time outer layer conductor layer, secondary outer layer conducting wire layer conductor are wound on the bottom of inner conductor layer；Coiling outermost layer conductor layer, outermost layer conductor layer are wound on time bottom of outer layer conductor layer.The bottom of method coiling using the present invention, voice coil is conducting wire compact district, when being used for acoustical generator, after the bottom of voice coil is inserted into magnetic gap, voice coil is made to concentrate on the intensive region of magnetic force.When acoustical generator works voice coil up-down vibration, reduces and the asymmetric situations of BL occur, improve the distortion of frequency range near FO, improve sensitivity of the monomer under big voltage, improve the performance of acoustical generator.
Description
Technical field
The present invention relates to electro-acoustic product technical field more particularly to a kind of voice coil winding method and voice coil, it is equipped with the voice coil
Acoustical generator.
Background technology
With the update that electronic product makes rapid progress, monomer product gradually develops to light, thin, small and exquisite direction,
Therefore, more and more monomer product designs more limit.For example, to meet the performance under big voltage, it is necessary to fully suppression
The polarization of product processed.For the product of hanging voice coil leads, the whole story line of voice coil need to be designed as possible in homonymy, to draw lead
Imbalance caused by power is preferably minimized.And in order to realize that design of the whole story line in homonymy of voice coil, voice coil should be arranged radially
Even level, but some products are limited to performance parameter requirement, as shown in Figure 1, outermost two layers can not be around expiring, usually not around full
Region is located at one end of voice coil not outlet, causes voice coil that cannot be enriched in the magnetic line of force most close quarters, BL values (voice coil magnetic gap magnetic field
Intensity) it decreases；And when voice coil up-down vibration, BL trend differences can be caused, distortion is caused to increase.
Invention content
Against the above deficiency, the object of the present invention is to provide a kind of voice coil winding method and voice coil, equipped with the hair of the voice coil
Sound device, has conducting wire compact district on the voice coil, and when use can form corresponding magnetic line of force compact district, sensitive to improve monomer
Degree, improves the distortion under big voltage, improves the performance of acoustical generator.
To achieve the above object, the technical scheme is that：
A kind of winding method of voice coil, the voice coil are formed by conducting wire coiling, and the voice coil has multiple lead radially
Line layer, the voice coil include the top for being connect with vibrating diaphragm, far from top bottom and between top and bottom in
Portion, this method include：Utilize the conducting wire coiling inner conductor layer；Coiling time outer layer conductor layer, wherein described outer layer conductor
Layer conductor is wound on the bottom of the inner conductor layer；Coiling outermost layer conductor layer, wherein the outermost layer conductor layer is wound on
The bottom of the secondary outer layer conductor layer.
Preferred embodiment is that the bottom that the secondary outer layer conducting wire layer conductor is wound on the inner conductor layer includes：Described time
The conducting wire of outer layer conductor layer surrounds the top coiling of the conducting wire coiling inner conductor layer, forms first part；In coiling first
After predetermined amount, by the conducting wire oblique pull to the bottom of inner conductor layer, and around the bottom of the conducting wire coiling inner conductor layer
Portion's coiling forms second part.
Preferred embodiment is that the bottom that the outermost layer conductor layer is wound on the secondary outer layer conductor layer includes：It is described outermost
The conducting wire of layer conductor layer surrounds the second part coiling of the secondary outer layer conductor layer；It, will be described after the second predetermined amount of coiling
Conducting wire is drawn, and voice coil leads are formed.
Preferred embodiment is that after the second predetermined amount of the coiling, the conducting wire is drawn, and forms voice coil leads and includes：
After the second predetermined amount of coiling, by the conducting wire oblique pull to the first part of the secondary outer layer conductor layer, and described first is surrounded
Part coiling, after coiling third predetermined amount, by the conducting wire from the Base top contact of the outermost layer conductor layer.
Preferred embodiment is that the coiling number of turns of the first part is not more than the coiling number of turns of the second part.
Preferred embodiment is that second predetermined amount is not less than the third predetermined amount.
Preferred embodiment is：The conducting wire connects at the top of the voice coil
It connects coiling and connects coiling to top to bottom or from the bottom of the voice coil, form inner conductor layer.
Preferred embodiment is that the voice coil includes even number conductor layer.
Voice coil, the voice coil are formed by above-mentioned voice coil winding method coiling.
A kind of acoustical generator, including vibrational system and magnetic circuit system, the vibrational system include voice coil, the magnetic circuit system packet
Magnet is included, the voice coil is above-mentioned voice coil, and the bottom of the voice coil is inserted into the magnetic gap that the magnet is formed.
After adopting the above technical scheme, the beneficial effects of the invention are as follows：
Due to the present invention voice coil winding method and voice coil be equipped with the voice coil acoustical generator, wherein voice coil by conducting wire coiling and
At voice coil has multiple conductor layers radially, and voice coil includes the top for being connect with vibrating diaphragm, bottom and position far from top
Middle part between top and bottom, this method include：Utilize conducting wire coiling inner conductor layer；Coiling time outer layer conductor layer,
In, secondary outer layer conducting wire layer conductor is wound on the bottom of inner conductor layer；Coiling outermost layer conductor layer, wherein outermost layer conductor layer
It is wound on time bottom of outer layer conductor layer.Voice coil made of method coiling using the present invention, bottom are conducting wire compact district, this
Sample when the voice coil is used in acoustical generator, after the bottom of voice coil is inserted into magnetic gap, makes voice coil concentrate on the intensive area of magnetic force
The asymmetric situations of BL occurred caused by BL decaying is different are reduced, are improved when acoustical generator works voice coil up-down vibration in domain
The distortion of the neighbouring frequency ranges of FO, improves sensitivity of the monomer under big voltage, to improve the performance of acoustical generator.
Since the bottom that secondary outer layer conducting wire layer conductor is wound on inner conductor layer includes：The conducting wire of secondary outer layer conductor layer surrounds
The top coiling of conducting wire coiling inner conductor layer forms first part；After the first predetermined amount of coiling, by conducting wire oblique pull to interior
The bottom of layer conductor layer, and around the bottom coiling of conducting wire coiling inner conductor layer, form second part；Using the side of oblique pull
Formula is conveniently accomplished time coiling of outer layer conductor layer.
After the second predetermined amount of coiling, conducting wire is drawn, forming voice coil leads includes：In the second predetermined amount of coiling
Afterwards, by conducting wire oblique pull to the first part of secondary outer layer conductor layer, and first part's coiling is surrounded, in coiling third predetermined amount
Afterwards, by conducting wire from the Base top contact of outermost layer conductor layer；The structure makes voice coil leads caused by vibrating born pulling force
Imbalance is preferably minimized.
Since the coiling number of turns of first part is not more than the coiling number of turns of second part, the middle part of voice coil is set to form conducting wire dilute
Area is dredged, the distortion of frequency range near FO under big voltage is reduced.
Description of the drawings
Fig. 1 is the schematic cross-section of voice coil in the prior art；
Fig. 2 is the schematic cross-section of voice coil of the present invention；
Fig. 3 is the schematic diagram in voice coil coiling of the present invention direction；
Fig. 4 is the diagrammatic cross-section of voice coil in acoustical generator of the present invention；
In figure：1- voice coils, the top of 10- voice coils, the middle part of 11- voice coils, the bottom of 12- voice coils, 2- most inner side conductor layers,
3- inboard wire layer, 4- outboard wire layer, 5- outermost conductor layers, 6- magnetic gap, 7- magnet.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one：
As shown in Figure 2, Figure 3 and Figure 4, a kind of voice coil winding method, voice coil 1 are formed by conducting wire coiling, and voice coil 1 is radially
With multiple conductor layers, voice coil 1 includes the top 10 for being connect with vibrating diaphragm, far from top bottom 12 and be located at top and bottom
Middle part 11 between portion, this method include：Utilize conducting wire coiling inner conductor layer；Coiling time outer layer conductor layer 4, wherein secondary outer
4 conducting wire of layer conductor layer is wound on the bottom of inner conductor layer；Coiling outermost layer conductor layer 5, wherein 5 coiling of outermost layer conductor layer
In the bottom of secondary outer layer conductor layer 4.
In the present embodiment, voice coil 1 includes even number conductor layer, preferably includes four layers, it is of course possible to unlimited enumerated above.
Below for convenience, according to sequence from inside to outside, defining each conductor layer is respectively：Most inner side conductor layer 2, secondary inboard wire
Layer 3, secondary outboard wire layer 4 and outermost conductor layer 5.
It should be noted that can have multiple loops per layer conductor layer, it is as more by conducting wire coiling per layer conductor layer
A loop forms.Conductor layer within secondary outer layer is referred to as inner conductor layer.As, innermost layer conductor layer 2 and secondary internal layer
Conductor layer 3 is referred to as inner conductor layer.
As shown in Figure 2, Figure 3 and Figure 4, the bottom that secondary 4 conducting wire of outer layer conductor layer is wound on inner conductor layer includes：Secondary outer layer
The conducting wire of conductor layer 4 surrounds the top coiling of inner conductor layer, forms first part；After the first predetermined amount of coiling, it will lead
Line oblique pull forms second part to the bottom of inner conductor layer, and around the bottom coiling of conducting wire coiling inner conductor layer.Into one
Step, the coiling number of turns that first part is designed in this example is not more than the coiling number of turns of second part, and conducting wire is made to concentrate on sound as possible
The bottom 12 of circle.
As shown in Figure 2, Figure 3 and Figure 4, the bottom that outermost layer conductor layer 5 is wound on secondary outer layer conductor layer 4 includes：Outermost layer
The conducting wire of conductor layer 5 surrounds time second part coiling of outer layer conductor layer 4；After the second predetermined amount of coiling, conducting wire is drawn,
Form voice coil leads.
Further, after the second predetermined amount of coiling, conducting wire is drawn, forming voice coil leads includes：It is pre- in coiling second
It is default in coiling third if after the number of turns, by conducting wire oblique pull to the first part of secondary outer layer conductor layer, and surrounding first part's coiling
After the number of turns, by conducting wire from the Base top contact of outermost layer conductor layer 5.
Further, the second predetermined amount is not less than third predetermined amount, and conducting wire is equally made to concentrate on the bottom of voice coil as possible
Portion 12.
It should be noted that the first predetermined amount, the second predetermined amount and third predetermined amount are pre- according to actual demand
It first sets, can be 2 circles, 4 circles etc., the present invention is without limitation.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, include using conducting wire coiling inner conductor layer：Conducting wire is from sound
In the connection coiling of top 10 of circle is formed to the bottom 12 of voice coil or from the top 10 of the connection of the bottom of voice coil 12 coiling to voice coil
Layer conductor layer.
In this example, inner conductor layer includes most inside conductor layer 2 and time inside conductor layer 3, when specific coiling：Coiling innermost layer is led
When line layer 2, conducting wire reserves lead at the top of voice coil 10, then from 10 continuous coiling of the top of voice coil to the bottom 12 of voice coil.
After innermost layer conductor layer 2 is completed in coiling, conducting wire processed is continued around, conducting wire is from the bottom continuous coiling of innermost layer to the top of voice coil
10, secondary internal layer conductor layer 3 is formed, such inner conductor winding is completed.When into the coiling of places outer layer conductor layer 4, conducting wire exists
After the top of secondary internal layer conducting wire winds the first predetermined amount, such as 2 circle of winding, time top conductor line layer of outer layer conductor layer 4 is formed,
As first part by conducting wire oblique pull to the bottom of secondary internal layer conductor layer 3, and winds, shape around the bottom of secondary internal layer conductor layer 3
At the base conductor layer of secondary outer layer conductor layer 4, as second part.Result in formation of secondary outer layer conductor layers 4 only at top and bottom
There is conductor layer in portion.It, can be in the bottom coiling conducting wire of secondary outer layer conductor layer, as secondary outer after having wound secondary outer layer conductor layer
The second part coiling conducting wire of layer conductor layer forms outermost layer conductor layer.It, can be in voice coil leads when the bottom of voice coil is drawn
After the second predetermined amount of second part coiling around secondary outer layer conductor layer, conducting wire is drawn, forms lead.
Alternatively, be in the Base top contact of voice coil in voice coil leads, can the second part around secondary outer layer conductor layer around
After making the second predetermined amount, conducting wire is lifted upwards to the first part of secondary outer layer conductor layer, and surrounds first part's coiling, shape
At the top of outermost layer conductor layer.After coiling third predetermined amount, can by conducting wire from the Base top contact of outermost layer conductor layer,
Form lead.In this way after coiling, the voice coil 1 caused by 2 lead of hanging voice coil is vibrated into imbalance problem and is preferably minimized, is also promoted
The performance of monomer, the monomer that is especially used in big voltage.
As shown in figure 3, in the present embodiment, when coiling voice coil 1, an oblique pull, oblique pull have been carried out in coiling time outer conductor layer 4
It is the bottom 12 from the top of voice coil 10 to voice coil, in coiling outermost conductor layer 5, conducting wire has carried out secondary oblique pull, oblique pull
Direction is the top 10 from the bottom of voice coil 12 to voice coil, and oblique pull crosses over the middle part 11 of voice coil twice, makes voice coil 1 in vibration
Balance is kept, ensure that the performance of electro-acoustic product.
The bottom 12 of voice coil 1 made of method coiling using the present invention, voice coil is conducting wire compact district, in this way, voice coil 1
When being used in acoustical generator, after the bottom 12 of voice coil is inserted into magnetic gap 6, so that voice coil 1 is concentrated on the intensive region of magnetic force, work as hair
When sound device work 1 up-down vibration of voice coil, the asymmetric situations of BL occurred caused by BL decaying is different are reduced, it is attached to improve FO
The distortion of nearly frequency range, improves sensitivity of the monomer under big voltage, to improve the performance of acoustical generator.And the side of the present invention
Method, it is at low cost, facilitate simplicity.
Above-mentioned FO is loudspeaker has a natural resonance frequency abbreviation FO in low-frequency range, in effective audio range of normal loudspeaker
Interior, the distortion of frequency range is maximum near FO points.
Conducting wire used in the present invention can be enameled wire or other conducting wires.
Embodiment two：
As shown in Figures 2 and 3, voice coil 1, voice coil 1 are formed by above-mentioned voice coil winding method coiling.
Embodiment three：
As shown in Figure 2, Figure 3 and Figure 4, a kind of acoustical generator, including vibrational system and magnetic circuit system, vibrational system include voice coil
1, magnetic circuit system includes magnet 7, and voice coil 1 is the voice coil 1 that the winding method described in above-described embodiment is formed, and the bottom 12 of voice coil is inserted
In the magnetic gap 6 for entering the formation of magnet 7.
Magnetic gap is inserted into the bottom end 12 of voice coil by the acoustical generator of the present invention because using the voice coil 1 with conducting wire compact district
After 6, when 1 up-down vibration of voice coil, the decaying of BL values is identical, and BL is symmetrical, so as to improve distortion, improves the performance of acoustical generator.
The preferred embodiment of present invention described above, is not intended to limit the invention, it is all the present invention spirit and
Any modification made by within principle, etc. same voice coil and the acoustical generator structure equipped with the voice coil improvement etc., should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of winding method of voice coil, which is characterized in that the voice coil is formed by conducting wire coiling, and the voice coil has radially
It includes the top for being connect with vibrating diaphragm to have multiple conductor layers, the voice coil, far from top bottom and be located at top and bottom
Between middle part, this method includes：
Utilize the conducting wire coiling inner conductor layer；
Coiling time outer layer conductor layer, wherein the secondary outer layer conducting wire layer conductor is wound on the bottom of the inner conductor layer；
Coiling outermost layer conductor layer, wherein the outermost layer conductor layer is wound on the bottom of the secondary outer layer conductor layer.
2. the winding method of voice coil according to claim 1, which is characterized in that the secondary outer layer conducting wire layer conductor is wound on
The bottom of the inner conductor layer includes：
The conducting wire of the secondary outer layer conductor layer surrounds the top coiling of the inner conductor layer, forms first part；
After the first predetermined amount of coiling, by the conducting wire oblique pull to the bottom of inner conductor layer, and the inner conductor is surrounded
The bottom coiling of layer forms second part.
3. the winding method of voice coil according to claim 2, which is characterized in that the outermost layer conductor layer is wound on described
The bottom of secondary outer layer conductor layer includes：
The conducting wire of the outermost layer conductor layer surrounds the second part coiling of the secondary outer layer conductor layer；
After the second predetermined amount of coiling, the conducting wire is drawn, forms voice coil leads.
4. the winding method of voice coil according to claim 3, which is characterized in that
After the second predetermined amount of the coiling, the conducting wire is drawn, forming voice coil leads includes：
After the second predetermined amount of coiling, by the conducting wire oblique pull to the first part of the secondary outer layer conductor layer, and institute is surrounded
State first part's coiling；
After coiling third predetermined amount, by the conducting wire from the Base top contact of the outermost layer conductor layer, voice coil leads are formed.
5. the winding method of voice coil according to claim 2, which is characterized in that the coiling number of turns of the first part is little
In the coiling number of turns of the second part.
6. the winding method of voice coil according to claim 4, which is characterized in that second predetermined amount is not less than described
Third predetermined amount.
7. the winding method of voice coil according to claim 1, which is characterized in that utilize the conducting wire coiling inner conductor layer
Including：
The conducting wire connects coiling to bottom or from the connection coiling of the bottom of the voice coil to top, shape from the top of the voice coil
At inner conductor layer.
8. voice coil winding method according to claim 1, which is characterized in that the voice coil includes even number conductor layer.
9. voice coil, which is characterized in that the voice coil is formed by claim 1 to 8 any one of them voice coil winding method coiling.
10. a kind of acoustical generator, including vibrational system and magnetic circuit system, the vibrational system include voice coil, the magnetic circuit system packet
Include magnet, which is characterized in that the voice coil is the voice coil described in claim 9, and the magnet shape is inserted into the bottom of the voice coil
At magnetic gap in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348024.4A CN108566596B (en) | 2018-04-18 | 2018-04-18 | Voice coil winding method, voice coil and acoustic generator with voice coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348024.4A CN108566596B (en) | 2018-04-18 | 2018-04-18 | Voice coil winding method, voice coil and acoustic generator with voice coil |
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| CN108566596A true CN108566596A (en) | 2018-09-21 |
| CN108566596B CN108566596B (en) | 2020-09-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111065030A (en) * | 2019-12-20 | 2020-04-24 | 瑞声科技(新加坡)有限公司 | Voice coil, winding method thereof and loudspeaker with voice coil |
| CN111669685A (en) * | 2019-03-07 | 2020-09-15 | 苹果公司 | Force canceling transducer |
| CN112055289A (en) * | 2020-06-29 | 2020-12-08 | 歌尔股份有限公司 | Voice coil and sound generating device |
| US11785379B2 (en) | 2021-06-09 | 2023-10-10 | Apple Inc. | Vibration and force cancelling transducer assembly |
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| Publication number | Publication date |
|---|---|
| CN108566596B (en) | 2020-09-01 |
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