CN209151368U - A kind of coil-moving speaker - Google Patents
A kind of coil-moving speaker Download PDFInfo
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- CN209151368U CN209151368U CN201920046870.0U CN201920046870U CN209151368U CN 209151368 U CN209151368 U CN 209151368U CN 201920046870 U CN201920046870 U CN 201920046870U CN 209151368 U CN209151368 U CN 209151368U
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Abstract
The utility model discloses a kind of coil-moving speakers, by the way that open tubular column is arranged below vibrating diaphragm, the silk-screen wire coil on open tubular column again, silk-screen formula wire coil has the advantages that thickness, width are thin and controllable, it, which replaces traditional copper coil as electrical conductor, can reduce space shared by coil, reduce magnetic gap, is conducive to the micromation of loudspeaker；Solve the problems, such as it is that existing coil-moving speaker uses copper coil as voice coil, voice coil is located in magnetic gap, and multiturn copper wire longitudinal layer poststack is linked together by glue and vibrating diaphragm, causes magnetic gap larger, is unfavorable for the micromation of loudspeaker.
Description
Technical field
The utility model relates to electro-acoustic transducer device technical fields, more particularly to a kind of coil-moving speaker.
Background technique
Coil-moving speaker belongs to one kind of loudspeaker, and the structure of coil-moving speaker includes vibrational system and magnetic circuit system
System, principle of sound are as follows: the magnetic circuit system of loudspeaker constitutes annular magnetic gap, is covered with uniform magnetic field therebetween, voice coil is in magnetic gap
In, when voice coil is filled with electric current, due to the influence of Ampere force, voice coil is vibrated up and down, and the size of Ampere force F is F=BILsin α,
In, B is magnetic induction intensity, and I is size of current, and α is the angle between current direction and magnetic direction in voice coil, voice coil and vibration
Film connection, since voice coil vibrations drive diaphragm oscillations, diaphragm oscillations drive air vibration, generate sound, and whole process is electricity-
The conversion of power-sound.
In the prior art, coil-moving speaker uses copper coil as voice coil, and voice coil is located in magnetic gap, multiturn copper wire
It is linked together after winding by glue and vibrating diaphragm, the copper coil needed is more, causes magnetic gap larger, is unfavorable for loudspeaker
Micromation.
Utility model content
The purpose of the utility model is to provide a kind of coil-moving speaker, by being arranged open tubular column below vibrating diaphragm, then
Silk-screen wire coil on open tubular column, silk-screen formula wire coil have the advantages that thickness, width are thin and controllable, replace traditional copper
Coil can reduce space shared by coil as electrical conductor, reduce magnetic gap, be conducive to the micromation of loudspeaker.
The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:
A kind of coil-moving speaker, including vibrational system and magnetic circuit system；The magnetic circuit system includes magnet, magnetic conduction bottom
Plate；The vibrational system includes vibrating diaphragm, and is fixed on the open tubular column of the vibrating diaphragm lower surface；The hollow outer surface of column silk-screen
There is voice coil；The voice coil is wire coil and is arranged in the magnetic gap of magnetic circuit system formation.
Using the above structure, voice coil is arranged on the open tubular column below vibrating diaphragm by the way of silk-screen, when voice coil vibrations
Open tubular column and vibrating diaphragm is driven to vibrate together, the thickness of carrier of the open tubular column as the wire coil of silk-screen, hollow cylinder can be set
Set relatively thin, the influence to the volume and weight of loudspeaker is smaller.
It advanced optimizes as wire coil is to be formed by the coil of single layer in open tubular column longitudinal spiral.
Using the above structure, since the thickness of the wire coil of silk-screen is smaller, so the wire coil longitudinal spiral of single layer
It can reach the number of turns of traditional copper wire circle, to reduce space shared by previous level direction.
It advanced optimizes as there are two endpoints for the wire coil tool of the spiral；The endpoint is connected with external power supply, uses
It is powered in wire coil.
It advanced optimizes as the wire coil is silver wire circle.
Using the above structure, silver-colored conductivity is higher than copper, so the resistance consumption of silver wire circle is less than copper coil.
It advanced optimizes as magnet includes positioned at the periphery magnet of four side of magnetic conduction bottom plate and in magnetic conduction bottom plate center
Heart magnet.
It advanced optimizes as the magnetic pole distribution of the periphery magnet and the centring magnet is the upper end pole N, the lower end pole S.
It advanced optimizes as the magnetic pole distribution of the periphery magnet and the centring magnet is the upper end pole S, the lower end pole N.
Advanced optimize for, the magnetic circuit system further includes magnetic inductive block, positioned at the top of the magnet, and with the magnet
It is corresponding；The magnetic conduction bottom plate is located at below the magnet；The magnetic inductive block and magnetic conduction bottom plate are all the coil-moving speakers
Fetter the component of the magnetic line of force.
It using the above structure, can be by magnetic by the magnetic conduction bottom plate of the magnetic inductive block, the setting of magnet lower section that are arranged above magnet
The magnetic line of force that iron generates is strapped in magnetic conductive part in large quantities, is played the role of collection and is neutralized enhancing magnetic field.
It advanced optimizes as the coil-moving speaker includes shell.
Using the above structure, shell can stop the dust of loudspeaker side, prevent dust from entering magnetic gap, influence loudspeaking
The sound quality of device.
It advanced optimizes as graphite ene coatings are all arranged in the surfaces externally and internally of the shell.
Using the above structure, graphene has good heating conduction, can in time give out the heat in loudspeaker
It goes；Meanwhile graphene has the characteristics that light weight and intensity is high, improves the intensity of shell, so as to reduce the wall of shell
Thickness mitigates the weight of shell, is conducive to the micromation of loudspeaker.
In conclusion the utility model has the following beneficial effects:
The utility model provides a kind of coil-moving speaker, by the way that open tubular column is arranged below vibrating diaphragm, then on open tubular column
Silk-screen wire coil, silk-screen formula wire coil have the advantages that thickness, width are thin and controllable, replace traditional copper coil conduct
Electrical conductor can reduce space shared by coil, reduce magnetic gap, be conducive to the micromation of loudspeaker；Solve the problems, such as be,
Existing coil-moving speaker uses copper coil as voice coil, and voice coil is located in magnetic gap, and multiturn copper wire passes through longitudinally wound after
Glue links together with vibrating diaphragm, causes magnetic gap larger, is unfavorable for the micromation of loudspeaker.
Detailed description of the invention
Fig. 1 is the main view of coil-moving speaker in one embodiment of the utility model.
Fig. 2 is the explosive view of coil-moving speaker in one embodiment of the utility model.
Fig. 3 is silk-screen wire coil schematic diagram in open tubular column surface in one embodiment of the utility model, is mainly used to
The relationship of the wire coil of bright open tubular column and silk-screen.
Fig. 4 is the enlarged diagram of wire coil in one embodiment of the utility model, for illustrating wire coil
Longitudinal spiral structure.
Appended drawing reference: 1. vibrating diaphragms；2. open tubular column；3. wire coil；31, endpoint；4. centring magnet；5. periphery magnet；6.
Magnetic inductive block；7. magnetic conduction bottom plate；8. shell.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
Embodiment:
As shown in Figure 1,2,3, 4, a kind of coil-moving speaker, including vibrational system and magnetic circuit system；The magnetic circuit system
Including magnet, magnetic conduction bottom plate 7；The vibrational system includes vibrating diaphragm 1, and is fixed on the open tubular column 2 of 1 lower surface of vibrating diaphragm；
The 2 outer surface silk-screen of open tubular column has voice coil；The voice coil is wire coil 3 and the magnetic gap that magnetic circuit system formation is arranged in
In.
Specifically, magnet includes the periphery magnet 5 positioned at 7 four side of magnetic conduction bottom plate and the center positioned at 7 center of magnetic conduction bottom plate
Magnet 4.Periphery magnet 5, centring magnet 4, magnetic conduction bottom plate 7 surround magnetic gap, and the open tubular column 2 and wire coil 3 are all located at magnetic
In gap；The internal diameter of open tubular column 2 is greater than the maximum distance on any horizontal cross-section of centring magnet 4 between two o'clock, hollow to guarantee
Column 2 can move up and down and not collide with centring magnet 4；It can be fixed by glue between vibrating diaphragm 1 and open tubular column 2, it can also
To be integrally formed.The thickness A of open tubular column 2 is smaller, to reduce the influence to the weight and volume of loudspeaker.
In a kind of embodiment of the utility model, the magnetic pole distribution of periphery magnet and the centring magnet is upper end
The pole N, the lower end pole S (not shown).
In the another embodiment of the utility model, the magnetic pole distribution of the periphery magnet and the centring magnet is equal
For the upper end pole S, the lower end pole N (not shown).
Preferably, wire coil 3 is that single layer coil longitudinal spiral forms, and the spacing between adjacent two layers coil can phase
Deng can not also wait.The coil thickness of single layer is small, so the magnetic gap between centring magnet 4 and periphery magnet 5 can reduce, magnetic
Gap is smaller, and the internal magnetic line of force is more intensive, so the magnetic line of force that the wire coil 3 being powered can utilize increases, in order to reach
The Lorentz force similarly vibrated up and down, electrical current can be reduced, to reduce the power consumption of loudspeaker indirectly.Single-layer wire
The number of plies for enclosing longitudinal spiral can be according to the specific needs of loudspeaker, and the number of plies is more, and the height B of open tubular column 2 is bigger.It should be noted that
, wire coil 3 is as needed also to can be set into lattice coil (not shown) longitudinally wound made of.
There are two endpoints 31 for the tool of wire coil 3；The endpoint 31 is connected by conducting wire with external power supply (not shown),
For being powered to wire coil 3, the wire coil 3 after energization is driven open tubular column 2 and vibrating diaphragm 1 to vibrate by Lorentz force.Metal
The material of coil 3 can be silver, copper, molybdenum, at least one of aluminium；Preferably silver wire circle can be with because the conductivity of silver is higher
Reduce the resistance consumption on loudspeaker.
Preferably, magnetic circuit system further includes magnetic inductive block 6, is located above magnet and corresponding with the magnet；The magnetic conduction bottom
Plate 7 is located at below the magnet；The magnetic inductive block 6 and the magnetic conduction bottom plate 7 are all the coil-moving speaker constraint magnetic lines of force
Component.
Preferably, the coil-moving speaker includes shell 8；Graphite ene coatings are all arranged in the surfaces externally and internally of shell 8.Graphite
Alkene has good heating conduction, can in time distribute the heat in loudspeaker；Meanwhile graphene have light weight and
The high feature of intensity, improves the intensity of shell, so as to reduce the wall thickness of shell, mitigates the weight of shell, is conducive to raise
The micromation of sound device.
In one embodiment of the utility model, the vibrating diaphragm 1 is composite material vibrating diaphragm, by PEEK film and top dome two
It is grouped as (not shown)；PEEK film thickness is 30um, and described includes PEEK film, acrylic damping glue；Top dome includes PET
Film, damping glue, foam of polymers, damping glue, aluminium film；The composite material vibrating diaphragm overall thickness is 220um.The composite material vibration
For film by vibration sounding, the advantage with light specific gravity is conducive to the micromation of loudspeaker, while also acting the work of dust protection
With.
Magnetic inductive block 6 and magnetic conduction bottom plate 7 fetter magnetic line of force principle: the magnetic line of force being largely closed can be generated around magnet, these
The magnetic line of force is in the inner distribution of no magnetic conduction substance (such as air) from closely to far successively change is dredged.Because a large amount of magnetic lines of force can preferentially pass through band
There is the path of magnetic conductive part, so the magnetic conductive board 7 being arranged below magnet can be by magnetic by the magnetic inductive block 6 being arranged above magnet
The magnetic field that iron issues is strapped in magnetic conductive part in large quantities, is played the role of collection and is neutralized enhancing magnetic field, to enhance 1 institute of vibrating diaphragm
The Lorentz force being subject to, so that the sound quality of loudspeaker is more preferable.
The utility model provides a kind of coil-moving speaker, by the way that open tubular column is arranged below vibrating diaphragm, then on open tubular column
Silk-screen wire coil, silk-screen formula wire coil have the advantages that thickness, width are thin and controllable, replace traditional copper coil conduct
Electrical conductor can reduce space shared by coil, reduce magnetic gap, be conducive to the micromation of loudspeaker；Solve the problems, such as be,
Existing coil-moving speaker uses copper coil as voice coil, and voice coil is located in magnetic gap, and multiturn copper wire passes through longitudinally wound after
Glue links together with vibrating diaphragm, and the conductivity of copper is lower, causes magnetic gap larger, is unfavorable for the micromation of loudspeaker.
Above-mentioned specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this
Field technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification,
But as long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of coil-moving speaker, which is characterized in that including vibrational system and magnetic circuit system；The magnetic circuit system includes magnetic
Iron, magnetic conduction bottom plate；The vibrational system includes vibrating diaphragm, and is fixed on the open tubular column of the vibrating diaphragm lower surface；The open tubular column
Outer surface silk-screen has voice coil；The voice coil is wire coil and is arranged in the magnetic gap of magnetic circuit system formation.
2. coil-moving speaker according to claim 1, the wire coil is the coil by single layer in open tubular column longitudinal direction
Spiral forms.
3. coil-moving speaker according to claim 2, which is characterized in that there are two ends for the wire coil tool of the spiral
Point；The endpoint is connected with external power supply, for being powered to wire coil.
4. coil-moving speaker according to claim 1, which is characterized in that the wire coil is silver wire circle.
5. coil-moving speaker according to claim 1, which is characterized in that magnet includes the week positioned at four side of magnetic conduction bottom plate
Side magnet and the centring magnet for being located at magnetic conduction bottom plate center.
6. coil-moving speaker according to claim 5, which is characterized in that the periphery magnet and the centring magnet
Magnetic pole distribution is the upper end pole N, the lower end pole S.
7. coil-moving speaker according to claim 5, which is characterized in that the periphery magnet and the centring magnet
Magnetic pole distribution is the upper end pole S, the lower end pole N.
8. coil-moving speaker according to claim 1, which is characterized in that the magnetic circuit system further includes magnetic inductive block, position
It is above magnet and corresponding with the magnet；The magnetic conduction bottom plate is located at below the magnet；The magnetic inductive block and the magnetic conduction
Bottom plate is all the component of the coil-moving speaker constraint magnetic line of force.
9. coil-moving speaker according to claim 1, which is characterized in that the coil-moving speaker includes shell.
10. coil-moving speaker according to claim 9, which is characterized in that stone is all arranged in the surfaces externally and internally of the shell
Black ene coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046870.0U CN209151368U (en) | 2019-01-11 | 2019-01-11 | A kind of coil-moving speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046870.0U CN209151368U (en) | 2019-01-11 | 2019-01-11 | A kind of coil-moving speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209151368U true CN209151368U (en) | 2019-07-23 |
Family
ID=67291359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920046870.0U Active CN209151368U (en) | 2019-01-11 | 2019-01-11 | A kind of coil-moving speaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN209151368U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531634A (en) * | 2020-11-09 | 2022-05-24 | 玻音先创科技股份有限公司 | Mixed diaphragm structure of loudspeaker and plane type diaphragm loudspeaker |
| WO2022227433A1 (en) * | 2021-04-29 | 2022-11-03 | 高创(苏州)电子有限公司 | Voice coil and loudspeaker |
| CN116055960A (en) * | 2022-06-27 | 2023-05-02 | 荣耀终端有限公司 | Kernel of speaker module, speaker module and electronic equipment |
-
2019
- 2019-01-11 CN CN201920046870.0U patent/CN209151368U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531634A (en) * | 2020-11-09 | 2022-05-24 | 玻音先创科技股份有限公司 | Mixed diaphragm structure of loudspeaker and plane type diaphragm loudspeaker |
| WO2022227433A1 (en) * | 2021-04-29 | 2022-11-03 | 高创(苏州)电子有限公司 | Voice coil and loudspeaker |
| CN116055960A (en) * | 2022-06-27 | 2023-05-02 | 荣耀终端有限公司 | Kernel of speaker module, speaker module and electronic equipment |
| CN116055960B (en) * | 2022-06-27 | 2023-10-27 | 荣耀终端有限公司 | Kernel of speaker module, speaker module and electronic equipment |
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