CN110290448A - A kind of voice coil and vibrating diaphragm component - Google Patents
A kind of voice coil and vibrating diaphragm component Download PDFInfo
- Publication number
- CN110290448A CN110290448A CN201910739826.2A CN201910739826A CN110290448A CN 110290448 A CN110290448 A CN 110290448A CN 201910739826 A CN201910739826 A CN 201910739826A CN 110290448 A CN110290448 A CN 110290448A
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- voice coil
- light rigidity
- layer
- outer layer
- 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.)
- Pending
Links
- 239000010410 layer Substances 0.000 claims abstract description 85
- 239000011229 interlayer Substances 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 24
- 239000004917 carbon fiber Substances 0.000 claims description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 24
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 229920007790 polymethacrylimide foam Polymers 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 abstract description 10
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229920006934 PMI Polymers 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005935 nucleophilic addition reaction Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- -1 poly- ammonia Ester Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention discloses a kind of voice coils and vibrating diaphragm component, including voice coil and vibrating diaphragm, the vibrating diaphragm is combined by light rigidity outer layer, light rigidity interlayer and light rigidity internal layer sequence, a slot for allowing the voice coil insertion is provided on the inner side end of the vibrating diaphragm, the slot reaches light rigidity outer layer through the light rigidity internal layer and light rigidity interlayer of the vibrating diaphragm, and the voice coil directes reach the light rigidity outer layer to the vibrating diaphragm after being inserted into the slot.Voice coil of the present invention directes reach light rigidity outer layer after the light rigidity internal layer and light rigidity interlayer of vibrating diaphragm, embedded rigid connection is formed after so that voice coil is penetrated vibrating diaphragm, no matter vibrating diaphragm has multilayer or mostly thick, it can ensure that each layer of rigid body of voice coil and vibrating diaphragm all forms rigid connection, be allowed to mass motion, synchronous vibration, buffering will not be led to the problem of or movement is inconsistent, air is effectively pushed when vibration at high speed, to be substantially reduced distortion, sound texture is all right.
Description
Technical field
The present invention relates to loudspeaker equipment technical field, more specifically a kind of voice coil and vibrating diaphragm component.
Background technique
Voice coil and vibrating diaphragm are two important composition components in loudspeaker, and voice coil input sine-wave current is converted by coil
Variation magnetic field is made a sound to generate the source of sound driving force of variation in magnetic field to push vibrating diaphragm by diaphragm oscillations.So
Once the rigidity of vibrating diaphragm is insufficient, deformation can be generated under the action of source of sound driving force, deformation will appear serious segmentation distortion.
In order to promote the rigidity of vibrating diaphragm, it is proposed a kind of sandwich structure vibrating diaphragm on the market, this vibrating diaphragm is by light rigidity
Outer layer, light rigidity interlayer and light rigidity internal layer sequence are combined, in the case where same rigidity, this sandwich structure vibration
Film weight is most light.
Traditional sandwich vibrating diaphragm loudspeaker are to be bonded in voice coil on the light rigidity internal layer of vibrating diaphragm by Loudspeaker center adhesive,
Due to the sandwich structure vibrating diaphragm of multilayer rigid body combined type, transmission force weakens step by step, transmission force can be made to generate buffer function (each
The material of layer is because the physical attributes such as rigidity and toughness are variant), and then make light rigidity outer layer, light rigidity interlayer and lightweight
Rigid inner layer three moves inconsistent problem, and vibrating diaphragm can not be made to realize whole vibration, to segmentation distortion also easily occur, issues
Sound it is also just very muddy, sound texture is with regard to poor.
Summary of the invention
It is an object of the invention to overcome prior art disadvantages described above, providing one kind, no matter vibrating diaphragm has multilayer or mostly thick, all
It can ensure that each layer of rigid body of voice coil and vibrating diaphragm all forms rigid connection, buffering will not be generated or move inconsistent ask
Distortion is effectively reduced in topic, promotes the voice coil and vibrating diaphragm component of sound texture.
In order to reach the goals above, the present invention is achieved by the following technical solutions: a kind of voice coil and vibrating diaphragm component, packet
Voice coil and vibrating diaphragm are included, the vibrating diaphragm is combined by light rigidity outer layer, light rigidity interlayer and light rigidity internal layer sequence,
It is characterized in that, a slot for allowing the voice coil insertion is provided on the inner side end of the vibrating diaphragm, the slot is through described
The light rigidity internal layer and light rigidity interlayer of vibrating diaphragm reach light rigidity outer layer, and the voice coil directes reach after being inserted into the slot
To the light rigidity outer layer of the vibrating diaphragm.
Voice coil of the present invention directes reach light rigidity outer layer after the light rigidity internal layer and light rigidity interlayer of vibrating diaphragm, makes sound
Circle, which penetrates, forms embedded rigid connection after vibrating diaphragm, and no matter vibrating diaphragm has multilayer or mostly thick, can ensure each of voice coil and vibrating diaphragm
Layer rigid body all forms rigid connection, is allowed to mass motion, and synchronous vibration will not generate buffering or move inconsistent ask
Topic, effectively pushes air when vibration at high speed, to be substantially reduced distortion, sound texture is all right.
Preferably, the light rigidity outer layer is carbon fiber outer layer, the light rigidity interlayer is PMI foam layer,
The light rigidity internal layer is carbon fiber internal layer.
Carbon fiber, high strength and modulus fiber of the carbon content 90% or more, since its graphite microcrystalline structure is selected along fiber axis
Excellent orientation, therefore have very high intensity and modulus along fiber axis direction has high temperature resistant, anti-friction, conductive, thermally conductive and corrosion-resistant
Etc. characteristics shape in threadiness, it is soft, can be processed into various fabrics.
PMI foam, i.e. polymethacrylimide foam, under 180-230 DEG C of blowing temperature, by methacrylic acid
(MAA) with methacrylonitrile (MAN) co-polymer foamed obtained closed pore, rigid, hard foam.While high temperature foaming, MAA-
Nucleophilic addition occurs for adjacent cyano (- CN) and carboxyl (- COOH) in MAN copolymer, forms cyclic imide structure, should
The highly polar and high rigidity of structure imparts the good comprehensive performance of PMI foamed material.
Lightweight, high rigidity, the polarity of carbon fiber and PMI foam have been all satisfied production sandwich structure vibrating diaphragm demand, PMI bubble
Foam is as sandwich of layers, and carbon fiber is as two sides layer, while reducing weight, guarantees vibrating diaphragm rigidity, vibrating diaphragm is made to be not easy to shake in high speed
Deformation, eliminates deformed segmentation problem of dtmf distortion DTMF afterwards in dynamic.
Preferably, the wall thickness of the PMI foam layer is greater than the carbon fiber outer layer and carbon fiber internal layer, the carbon fiber
Tie up the wall thickness such as outer layer and carbon fiber internal layer.
PMI lightweight is in carbon fiber, but rigid body is not so good as carbon fiber, so pressing from both sides one between carbon fiber outer layer and carbon fiber internal layer
Layer wall thickness is greater than the PMI foam layer of the two, is intended that reduction weight, increases vibrating diaphragm thickness, means the whole vibrating diaphragm rigidity of increase.
Preferably, voice coil and vibrating diaphragm are integral type connection structure, more specifically, the light rigidity of the voice coil and vibrating diaphragm
The part that internal layer, light rigidity interlayer and light rigidity outer layer are in contact is integral connecting structure.
The part that voice coil is in contact with the light rigidity internal layer of vibrating diaphragm, light rigidity interlayer and light rigidity outer layer is one
Body formula connection structure, it is ensured that each layer of rigid body of voice coil and vibrating diaphragm all forms rigid connection, is allowed to mass motion, synchronous vibration
It is dynamic, buffering will not be led to the problem of or movement is inconsistent.
Preferably, the groove width of slot is greater than the wall thickness of voice coil, it is filled with Loudspeaker center adhesive in the slot, more specifically
Ground is inserted into the voice coil in the slot and the gap between slot filled with Loudspeaker center adhesive.
Loudspeaker center adhesive, it is many kinds of, there is loudspeaker glue special in Baidu library, the type purposes of the inside central glue is situated between
Continue very in detail, patent official website also have 201210334019.0 disclosed in a kind of Loudspeaker center adhesive, be organic-silicon-modified poly- ammonia
Ester.The present invention selects the one kind for selecting voice coil to be adapted to vibrating diaphragm material, mainly that voice coil is good with vibrating diaphragm integrally connected, disappears simultaneously
Except the gap between voice coil and slot, rigid connection is promoted, promotes mass motion consistency.
The utility model has the advantages that voice coil of the present invention directes reach light rigidity after the light rigidity internal layer and light rigidity interlayer of vibrating diaphragm
Outer layer forms embedded rigid connection after so that voice coil is penetrated vibrating diaphragm, no matter vibrating diaphragm has multilayer or mostly thick, can ensure voice coil and vibration
Each layer of rigid body of film all forms rigid connection, is allowed to mass motion, synchronous vibration, will not generate buffering or movement is different
The problem of cause, effectively pushes air when vibration at high speed, to be substantially reduced distortion, sound texture is all right.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1- vibrating diaphragm, 2- voice coil, 3- light rigidity outer layer, 4- light rigidity interlayer, 5- light rigidity internal layer, 6- are inserted
Slot, 7- Loudspeaker center adhesive.
Specific embodiment
In order to make technological means of the invention, creation characteristic and reach purpose to be readily apparent from understanding, below in conjunction with specific reality
Applying example, the present invention is further explained.
Embodiment: as shown in Figure 1, a kind of voice coil and vibrating diaphragm component, including voice coil 2 and vibrating diaphragm 1, vibrating diaphragm 1 is by light rigidity
Outer layer 3, light rigidity interlayer 4 and 5 sequence of light rigidity internal layer are combined, and light rigidity outer layer 3 is carbon fiber outer layer, lightweight
Rigid interlayer 4 is PMI foam layer, and light rigidity internal layer 5 is carbon fiber internal layer, and wherein the wall thickness of PMI foam layer is greater than carbon
Fibrous outer and carbon fiber internal layer, the wall thickness such as carbon fiber outer layer and carbon fiber internal layer.
A slot 6 for allowing voice coil 2 to be inserted into is provided on the inner side end of vibrating diaphragm 1, slot 6 is rigid through the lightweight of vibrating diaphragm 1
Property internal layer 4 and light rigidity interlayer 5 reach light rigidity outer layer 3, the lightweight that voice coil 2 is directed reach after being inserted into slot 6 to vibrating diaphragm 1 is rigid
Property outer layer 3.
Voice coil 2 and vibrating diaphragm 1 are integral type connection structure, more specifically, the light rigidity internal layer 5 of voice coil 2 and vibrating diaphragm 1, light
The part that matter rigid interlayer 4 and light rigidity outer layer 3 are in contact is integral connecting structure.
Specific manifestation is as follows: the groove width of slot 6 is greater than the wall thickness of voice coil 2, is filled with Loudspeaker center adhesive 7 in slot 6, more
Body, it is inserted into the gap between voice coil 2 and slot 6 in slot 6 and is filled with Loudspeaker center adhesive 7.
Use: voice coil of the present invention directes reach outside light rigidity after the light rigidity internal layer and light rigidity interlayer of vibrating diaphragm
Layer forms embedded rigid connection after so that voice coil is penetrated vibrating diaphragm, no matter vibrating diaphragm has multilayer or mostly thick, can ensure voice coil and vibrating diaphragm
Each layer of rigid body all form rigid connection, be allowed to mass motion, synchronous vibration, will not generate buffering or movement is inconsistent
The problem of, air is effectively pushed when vibration at high speed, to be substantially reduced distortion, sound texture is all right.
Claims (5)
1. a kind of voice coil and vibrating diaphragm component, including voice coil and vibrating diaphragm, the vibrating diaphragm by light rigidity outer layer, light rigidity interlayer and
Light rigidity internal layer sequence is combined, which is characterized in that is provided with one on the inner side end of the vibrating diaphragm and allows the voice coil
The slot of insertion, the slot reach light rigidity outer layer through the light rigidity internal layer and light rigidity interlayer of the vibrating diaphragm,
The voice coil directes reach the light rigidity outer layer to the vibrating diaphragm after being inserted into the slot.
2. voice coil according to claim 1 and vibrating diaphragm component, which is characterized in that the light rigidity outer layer is outside carbon fiber
Layer, the light rigidity interlayer are PMI foam layer, and the light rigidity internal layer is carbon fiber internal layer.
3. voice coil according to claim 2 and vibrating diaphragm component, which is characterized in that the wall thickness of the PMI foam layer is greater than
The carbon fiber outer layer and carbon fiber internal layer, the wall thickness such as the carbon fiber outer layer and carbon fiber internal layer.
4. voice coil according to claim 1 or 2 or 3 and vibrating diaphragm component, which is characterized in that voice coil and vibrating diaphragm are that integral type connects
Binding structure, more specifically, the voice coil is in contact with the light rigidity internal layer of vibrating diaphragm, light rigidity interlayer and light rigidity outer layer
Part be integral connecting structure.
5. voice coil according to claim 4 and vibrating diaphragm component, which is characterized in that the groove width of slot is greater than the wall thickness of voice coil,
Loudspeaker center adhesive is filled in the slot, more specifically, filling out in the gap being inserted between voice coil and slot in the slot
Filled with Loudspeaker center adhesive.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739826.2A CN110290448A (en) | 2019-08-12 | 2019-08-12 | A kind of voice coil and vibrating diaphragm component |
| PCT/CN2019/101744 WO2021026951A1 (en) | 2019-08-12 | 2019-08-21 | Voice coil and diaphragm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739826.2A CN110290448A (en) | 2019-08-12 | 2019-08-12 | A kind of voice coil and vibrating diaphragm component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110290448A true CN110290448A (en) | 2019-09-27 |
Family
ID=68025127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910739826.2A Pending CN110290448A (en) | 2019-08-12 | 2019-08-12 | A kind of voice coil and vibrating diaphragm component |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110290448A (en) |
| WO (1) | WO2021026951A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4122314A (en) * | 1976-12-23 | 1978-10-24 | Sony Corporation | Loudspeaker having a laminate diaphragm of three layers |
| US4322583A (en) * | 1978-11-20 | 1982-03-30 | Sony Corporation | Voice coil bobbin connection to loudspeaker diaphragm of honeycomb core sandwiched by sheets |
| US6178252B1 (en) * | 1998-02-17 | 2001-01-23 | U.S. Philips Corporation | Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coil |
| CN202652511U (en) * | 2012-01-05 | 2013-01-02 | 瑞声光电科技(常州)有限公司 | Loudspeaker diaphragm and loudspeaker |
| CN104796827A (en) * | 2015-04-29 | 2015-07-22 | 江西聚声泰科技有限公司 | Easily installed and detached small-scale dustproof speaker |
| CN109104675A (en) * | 2018-07-13 | 2018-12-28 | 安克创新科技股份有限公司 | A kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker |
| CN209914056U (en) * | 2019-08-12 | 2020-01-07 | 陈林 | Voice coil and vibrating diaphragm assembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4948001B2 (en) * | 2005-03-09 | 2012-06-06 | 古河電気工業株式会社 | Diaphragm for flat speaker |
| CN102970641B (en) * | 2012-10-30 | 2016-08-24 | 深圳天珑无线科技有限公司 | A kind of voice coil loudspeaker voice coil and sound film integrative-structure, speaker and mobile terminal |
| CN103826186B (en) * | 2014-01-27 | 2017-12-29 | 东莞泉声电子有限公司 | Voice coil loudspeaker voice coil vibrating diaphragm integral structure and preparation method thereof |
| CN108600931B (en) * | 2018-01-10 | 2020-09-08 | 菏泽韩升元电子股份有限公司 | Loudspeaker diaphragm, manufacturing method thereof and earphone using same |
-
2019
- 2019-08-12 CN CN201910739826.2A patent/CN110290448A/en active Pending
- 2019-08-21 WO PCT/CN2019/101744 patent/WO2021026951A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4122314A (en) * | 1976-12-23 | 1978-10-24 | Sony Corporation | Loudspeaker having a laminate diaphragm of three layers |
| US4322583A (en) * | 1978-11-20 | 1982-03-30 | Sony Corporation | Voice coil bobbin connection to loudspeaker diaphragm of honeycomb core sandwiched by sheets |
| US6178252B1 (en) * | 1998-02-17 | 2001-01-23 | U.S. Philips Corporation | Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coil |
| CN202652511U (en) * | 2012-01-05 | 2013-01-02 | 瑞声光电科技(常州)有限公司 | Loudspeaker diaphragm and loudspeaker |
| CN104796827A (en) * | 2015-04-29 | 2015-07-22 | 江西聚声泰科技有限公司 | Easily installed and detached small-scale dustproof speaker |
| CN109104675A (en) * | 2018-07-13 | 2018-12-28 | 安克创新科技股份有限公司 | A kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker |
| CN209914056U (en) * | 2019-08-12 | 2020-01-07 | 陈林 | Voice coil and vibrating diaphragm assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021026951A1 (en) | 2021-02-18 |
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