CN205566632U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN205566632U CN205566632U CN201620071458.0U CN201620071458U CN205566632U CN 205566632 U CN205566632 U CN 205566632U CN 201620071458 U CN201620071458 U CN 201620071458U CN 205566632 U CN205566632 U CN 205566632U
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- China
- Prior art keywords
- voice coil
- speaker
- circuit board
- conductive coating
- coil loudspeaker
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Abstract
The utility model relates to a loudspeaker. This loudspeaker includes: a housing, the casing is equipped with the pad, and locate the vibration system of casing, vibration system involving vibrations subassembly, locate the flexible printed circuit board of vibration on the subassembly, conducting coating and with vibration subassembly fixed connection's voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil is equipped with the lead wire, the voice coil loudspeaker voice coil with flexible printed circuit board passes through the lead wire electricity is connected, flexible printed circuit board with the pad passes through the conducting coating electricity is connected. The utility model discloses a technical problem that will solve is current loudspeaker's lead wire and the quality that the rubber coating has increased vibration system, makes loudspeaker not reach the acoustic effect of design. Utility model's an usage is the sound effect that is used for improving loudspeaker.
Description
Technical field
This utility model relates to acoustic energy switch technology field, more specifically, this utility model relates to one
Employ the speaker of conductive coating.
Background technology
Microspeaker energising is by the conducting of the coiling lead-in wire of voice coil loudspeaker voice coil and pad solder, pad again with
External circuit turns on.But, speaker lead-in wire of voice coil loudspeaker voice coil in vibration processes also can vibrate therewith, exists
Collide the risk of other elements, cause higher hamonic wave (R&B) fraction defective to raise.Meanwhile, raise one's voice
In device vibration processes, vibrational system can be involved and inhibitory action by lead-in wire, this suppression active force with set
In respect of difference, speaker hardly results in preferable design performance.
For reducing R&B fraction defective, traditional handicraft uses gluing anchor leg, and this mode reduces R&B
Fraction defective, but owing to gluing adds the quality of vibrational system, and have the risk of corrosion vibrating diaphragm, make
Speaker does not reaches the acoustic efficiency of design, reduces the service life of vibrating diaphragm.
Utility model content
A purpose of the present utility model is to provide a kind of speaker.
According to an aspect of the present utility model, it is provided that a kind of speaker.This speaker includes:
Housing, described housing is provided with pad；And
Be located at the vibrational system of described housing, described vibrational system includes vibration component, be located at described in shake
Flexible print circuit board on dynamic assembly, conductive coating and fixing with described vibration component is connected
Voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil is provided with lead-in wire；Described voice coil loudspeaker voice coil and described flexible print circuit board are by described lead-in wire
Electrical connection, described flexible print circuit board is electrically connected by described conductive coating with described pad.
Preferably, described conductive coating is Graphene or electrically conductive ink.
Preferably, described conductive coating is Graphene, and described Graphene is coated on by the way of spraying
Described vibration component.
Preferably, described conductive coating is electrically conductive ink, and described electrically conductive ink is coated with by the way of printing
It is overlying on described vibration component.
Preferably, described vibration component includes vibrating diaphragm and the top dome at the middle part being located at described vibrating diaphragm, described
Voice coil loudspeaker voice coil is fixing with described top dome to be connected, and described voice coil loudspeaker voice coil is through leading described in the region overlay of described conductive coating
Electrocoat.
Preferably, the middle part of described vibrating diaphragm is provided with top dome, and described top dome is provided with described flexible printed wiring
Plate, described flexible print circuit board is located at the inner side of described voice coil loudspeaker voice coil.
Preferably, described vibrating diaphragm is provided with ring portion, and described ring portion is provided with adjustment district, described adjustment district
It is provided with ink coating.
Preferably, being shaped as in linear, waveform, fold-line-shaped or rectangle of described adjustment district
A kind of.
Preferably, described adjustment district is multiple, and multiple described adjustment districts are uniformly distributed in described ring portion.
One of the present utility model has technical effect that, uses conductive coating as conducting medium conducting weldering
Dish and the lead-in wire of voice coil loudspeaker voice coil, conductive coating has good electric conductivity and light weight, to vibrational system
Affect little, improve the sound effect of speaker.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, this practicality
Novel further feature and advantage thereof will be made apparent from.
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiment of the present utility model, and together with saying
Bright book is used for explaining principle of the present utility model together.
Fig. 1: the structure chart of the speaker of this utility model embodiment；
Fig. 2: the partial enlarged drawing of the speaker of this utility model embodiment；
The sound effect figure of Fig. 3: the speaker of this utility model embodiment.
Wherein, 1: housing；101: the first pads；102: the second pads；2: vibrating diaphragm；201:
Ring portion；3: voice coil loudspeaker voice coil；301: the first lead-in wires；302: the second lead-in wires；4: top dome；Lead at 5: the first
Electrocoat；6: the second conductive coatings；7: the first flexible print circuit boards；8: the second flexible printing lines
Road plate；9: adjust district.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that
Arrive: unless specifically stated otherwise, the relative cloth of the parts illustrated the most in these embodiments and step
Put, numerical expression and numerical value are not intended to scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never makees
For to this utility model and application thereof or any restriction of use.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but
In the appropriate case, described technology and equipment should be considered a part for description.
Shown here with in all examples discussed, any occurrence should be construed as merely example
Property rather than as limit.Therefore, other example of exemplary embodiment can have different
Value.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing
A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently
Discuss.
This utility model provides a kind of speaker, as it is shown in figure 1, this speaker includes: housing 1,
Magnetic circuit system and vibrational system.Housing 1 is provided with receiving chamber, and magnetic circuit system is contained in receiving chamber, vibration
System is located at the open end accommodating chamber, and vibrational system includes voice coil loudspeaker voice coil 3 and vibration component.Magnetic circuit system can
To be, but not limited to, external magnetic type or internal magnetization.One end of voice coil loudspeaker voice coil 3 is fixing with vibration component to be connected,
The other end of voice coil loudspeaker voice coil 3 is positioned at the magnetic field that magnetic circuit system is formed.During work, voice coil loudspeaker voice coil 3 receives from outward
The signal of telecommunication of the sound of portion's circuit, vibrates in magnetic field, and then drives vibration component to vibrate with sounding.
The performance of voice coil loudspeaker voice coil 3 can affect the sound pressure frequency characteristic of speaker, sound pressure level, impedance curve, distortion,
Transient response, loudspeaker parameters, tonequality etc., be related to speaker bears power and life-span.Housing
1 is additionally provided with pad, and in a kind of embodiment of the present utility model, voice coil loudspeaker voice coil 3 is for solid wire coiling
Become, then pad includes that the first pad 101 and the second pad 102 match with the lead-in wire of voice coil loudspeaker voice coil 3.?
In other embodiments, voice coil loudspeaker voice coil 3 forms for many line coilings, the quantity that pad is arranged and voice coil loudspeaker voice coil 3
The quantity of lead-in wire matches.One end of pad is connected with outside line, and the other end of pad is by conduction
Coating electrically connects with the lead-in wire of voice coil loudspeaker voice coil 3.It is little that conductive coating has resistance, and processing technology is simple, performance
Feature reliably.
In a kind of embodiment of the present utility model, conductive coating is coated with by methods such as spraying, printings
It is layed onto on pad and vibration component so that voice coil loudspeaker voice coil 3 turns on.It will be understood by those skilled in the art that and lead
The width of electrocoat is the widest, and the thickness the least electrical conductivity of the thickest then resistance is the highest.But, thickness and width
Increase coating can be caused to be susceptible to ftracture during vibrating diaphragm 2 life-time service and even peel off, and then
Make conductive coating lose efficacy, affect the life-span of speaker.The thickness of conductive coating and width are according to actual need
Being designed, requiring and ruggedness as long as meeting electrical conductivity.
It should be noted that the signal line of voice coil loudspeaker voice coil 3 need to constitute loop.In some instances, such as figure
Shown in 1, housing 1 is provided with the first pad 101 and the second pad 102, and voice coil loudspeaker voice coil 3 is provided with the first lead-in wire
301 and second lead-in wire 302.First pad 101 and the first lead-in wire 301 are by the first conductive coating 5 electricity
Connect.Second pad 102 is electrically connected by the second conductive coating 6 with the second lead-in wire 302.First weldering
Dish 101 and the positive pole of one of them connection outside line of the second pad 102, another connects outer lines
The negative pole on road, to constitute loop.Conductive coating has good electric conductivity and light weight, to vibration
The harmful effect of system is little, makes the sound effect effect closer to design of speaker.
In order to make lead-in wire and the conducting of conductive coating more convenient and reduce resistance, of the present utility model
One preferred embodiment in, as shown in the figures 1 and 2, speaker also includes flexible print circuit board
(FPCB).Flexible print circuit board is located at vibration component, go between by flexible print circuit board with lead
Electrocoat turns on.Specifically, flexible print circuit board includes the first flexible print circuit board 7 and second
Flexible print circuit board 8, the first flexible print circuit board 7 and the second flexible print circuit board 8 are located at
Vibration component.First lead-in wire 301 is led with the first conductive coating 5 by the first flexible print circuit board 7
Logical；Second lead-in wire 302 is turned on the second conductive coating 6 by the second flexible print circuit board 8.Raise
When sound device makes, first flexible print circuit board is installed to vibration component, such as top dome 4 or vibrating diaphragm 2
On；Again conductive coating is coated, conductive coating cover pad, housing 1, vibrating diaphragm 2/ top dome 4,
The regional area of FPCB；Then being connected fixing to voice coil loudspeaker voice coil 3 and vibration component, lead-in wire is installed to FPCB
On plate, it is achieved thereby that pad and the conducting of lead-in wire.
Of the present utility model another preferred embodiment in, vibration component includes vibrating diaphragm 2 and is located at
Top dome 4 (DOME) in the middle part of vibrating diaphragm 2, voice coil loudspeaker voice coil 3 is fixing with top dome 4 to be connected, and voice coil loudspeaker voice coil is through conduction
The region overlay conductive coating of coating.It should be noted that the region that voice coil loudspeaker voice coil 3 and conductive coating intersect
For space intersection, voice coil loudspeaker voice coil and conductive coating insulation in this region.Conductive coating cover top dome 4 it
On, and electrically connect with the lead-in wire of voice coil loudspeaker voice coil 3.Equally applicablely, top dome 4 is provided with flexible print circuit board,
Flexible print circuit board is located at the inner side of voice coil loudspeaker voice coil 3, i.e. the voice coil loudspeaker voice coil 3 upright projection in top dome 4 is enclosed
Within the region become.It is of course also possible to be the flexible print circuit board outside of being located at voice coil loudspeaker voice coil 3, i.e. sound
Outside the circle 3 upright projection area defined in top dome 4.Lead-in wire passes through flexible print circuit board
Turn on conductive coating, to improve electric conductivity.Certainly, in some instances, speaker does not sets ball
Top 4.Now, voice coil loudspeaker voice coil 3 and vibrating diaphragm 2 is fixing to be connected, conductive coating covering on vibrating diaphragm 2 and with
Lead-in wire electrical connection.The use of conductive coating greatly reduces the length of lead-in wire, so that lead-in wire coated face
Amass and be greatly reduced, reduce lead-in wire and the gluing harmful effect to vibration component.Additionally, conduction is coated with
Layer may be uniformly distributed on vibration component, thus solve lead-in wire and excessively concentrate, to shaking with gluing
The problem that the harmful effect of the local of dynamic assembly is big.
Selectively, one of the present utility model preferred embodiment in, conductive coating is graphite
Alkene or electrically conductive ink.Graphene only has one layer of atom, and the motion of electronics is limited in a plane,
Electronics movement velocity wherein has reached the 1/300 of the light velocity, considerably beyond electronics at general conductor
In movement velocity, therefore, Graphene has fabulous electric conductivity.Electric conductivity due to Graphene
Well, few as consumption during conductive coating, lightweight, harmful effect to accompanying vibration component
Little.Electrically conductive ink conductive material such as gold, silver, copper or carbon etc., be dispersed in and make in link stuff
Paste-like ink, there is good electric conductivity and during for connecting conducting technique simple.
In a kind of embodiment of the present utility model, conductive coating is Graphene, and Graphene is coated on
Vibration component.Coating method can be, but not limited to, spraying process, spread coating or knife coating, as long as
Can be formed and set thickness and the uniform coating of shape.During coating, now by graphene dispersion to molten
In agent, this solvent can be, but not limited to, methanol, ethanol, acetone, ethylene glycol, ethyl acetate,
The organic solvent such as chloroform, carbon tetrachloride.In order to the dispersion making Graphene is more uniform, can use super
Graphene is disperseed by sound method.The area of conductive coating and shape need to be designed according to actual needs.
Before coating, should first region to be coated on vibration component be isolated in order to avoid to the ground beyond this region
Side pollutes.After coating, in order to make conductive coating rapid shaping, the method for drying can be used to make
Conductive coating rapid draing.
Fig. 3 shows the percent distortion of the speaker after Graphene coating and the speaker of traditional handicraft
Curve with frequency change.Curve a is to use Graphene coating so that the lead-in wire of pad and voice coil loudspeaker voice coil 3 is led
The curve that the percent distortion of logical speaker changes with frequency.Curve b is traditional handicraft, i.e. gluing
The curve that the percent distortion of the speaker of anchor leg changes with frequency.It can be seen that in this frequency
In the range of, a, substantially under b, illustrates that the distortion rate of the speaker that Graphene coats is significantly lower than passing
The distortion rate of the speaker of system technique.That is, the acoustic efficiency of the speaker of Graphene coating and design
Acoustic efficiency closer to.Graphene coating, to the harmful effect of vibration component is little and conductivity is high, makes
The sound effect of speaker reaches preferable design effect.
In another embodiment of the present utility model, conductive coating is electrically conductive ink, electrically conductive ink
It is coated on vibration component.The method of coating can be, but not limited to, print process, spraying process, spread coating
Or knife coating.Before coating, should first region to be coated on vibration component be isolated in order to avoid to this
Place beyond region pollutes.After coating, use and the method for drying can be used to make electrically conductive ink
Rapid draing.
In speaker manufacture process, due to the impact of the conditions such as manufacturing process, the suitable of vibrating diaphragm 2 can be made
Property does not reaches design requirement.One of the present utility model preferred embodiment in, as it is shown in figure 1,
Vibrating diaphragm 2 is provided with ring portion 201, and ring portion 201 is provided with adjustment district 9, adjusts district 9 and is provided with ink coating.
The Young's modulus of vibrating diaphragm 2 can be finely adjusted by ink coating, thus it is pliable to reach to adjust vibrating diaphragm 2
Purpose, makes the vibrating effect effect closer to design of vibrating diaphragm 2.Preferably, in order to adapt to not
Same working environment, adjusts being shaped as in linear, waveform, fold-line-shaped or rectangle of district 9
One, certainly, can also be designed to other shapes according to actual needs.In order to reach preferably to adjust
Effect, adjusts district 9 and arranges multiple, and multiple adjustment districts 9 are distributed in ring portion 201 uniformly.Enter one
Step ground, adjusts district 9 and is designed as even number, so that the pliable adjustment to vibrating diaphragm 2 more equalizes.?
In some examples, adjusting district 9 is rectangle, and 4 adjust district 9 and are uniformly distributed in ring portion 201.Ink
Coating can use common ink, it would however also be possible to employ electrically conductive ink, as long as can be formed in ring portion 201
Coating, to play the effect of the Young's modulus of fine setting vibrating diaphragm 2, makes speaker farthest to reduce
The state of original design, this is not limited by this utility model.
Although specific embodiments more of the present utility model being described in detail by example,
But it should be appreciated by those skilled in the art, above example is merely to illustrate rather than be
Restriction scope of the present utility model.It should be appreciated by those skilled in the art, can be without departing from this reality
In the case of novel scope and spirit, above example is modified.Model of the present utility model
Enclose and be defined by the following claims.
Claims (9)
1. a speaker, it is characterised in that including:
Housing (1), described housing (1) is provided with pad；And
It is located at the vibrational system of described housing (1), described vibrational system includes vibration component, the flexible print circuit board being located on described vibration component, conductive coating and fixes the voice coil loudspeaker voice coil (3) being connected with described vibration component, and described voice coil loudspeaker voice coil (3) is provided with lead-in wire；Described voice coil loudspeaker voice coil is electrically connected by described lead-in wire with described flexible print circuit board, and described flexible print circuit board is electrically connected by described conductive coating with described pad.
Speaker the most according to claim 1, it is characterised in that described conductive coating is Graphene or electrically conductive ink.
Speaker the most according to claim 2, it is characterised in that described conductive coating is Graphene, described Graphene is coated on described vibration component by the way of spraying.
Speaker the most according to claim 2, it is characterised in that described conductive coating is electrically conductive ink, described electrically conductive ink is coated on described vibration component by the way of printing.
Speaker the most according to claim 1, it is characterized in that, described vibration component includes vibrating diaphragm (2) and is located at the top dome (4) at middle part of described vibrating diaphragm (2), described voice coil loudspeaker voice coil (3) is fixing with described top dome (4) to be connected, and described voice coil loudspeaker voice coil (3) is through conductive coating described in the region overlay of described conductive coating.
Speaker the most according to claim 5, it is characterized in that, the middle part of described vibrating diaphragm (2) is provided with top dome (4), and described top dome (4) is provided with described flexible print circuit board, and described flexible print circuit board is located at the inner side of described voice coil loudspeaker voice coil (3).
Speaker the most according to claim 5, it is characterized in that, described vibrating diaphragm (2) is provided with ring portion (201), and described ring portion (201) is provided with adjustment district (9), and described adjustment district (9) is provided with ink coating.
Speaker the most according to claim 7, it is characterised in that the one being shaped as in linear, waveform, fold-line-shaped or rectangle of described adjustment district (9).
Speaker the most according to claim 7, it is characterised in that described adjustment district (9) is multiple, multiple described adjustment districts (9) are uniformly distributed in described ring portion (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071458.0U CN205566632U (en) | 2016-01-25 | 2016-01-25 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071458.0U CN205566632U (en) | 2016-01-25 | 2016-01-25 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205566632U true CN205566632U (en) | 2016-09-07 |
Family
ID=56821304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620071458.0U Active CN205566632U (en) | 2016-01-25 | 2016-01-25 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205566632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809705B (en) * | 2017-11-22 | 2021-05-18 | 歌尔股份有限公司 | Conductive diaphragm, loudspeaker and manufacturing method of conductive diaphragm |
| WO2021232474A1 (en) * | 2020-05-20 | 2021-11-25 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
-
2016
- 2016-01-25 CN CN201620071458.0U patent/CN205566632U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809705B (en) * | 2017-11-22 | 2021-05-18 | 歌尔股份有限公司 | Conductive diaphragm, loudspeaker and manufacturing method of conductive diaphragm |
| WO2021232474A1 (en) * | 2020-05-20 | 2021-11-25 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |