CN207720407U - A kind of loud speaker - Google Patents
A kind of loud speaker Download PDFInfo
- Publication number
- CN207720407U CN207720407U CN201820032564.7U CN201820032564U CN207720407U CN 207720407 U CN207720407 U CN 207720407U CN 201820032564 U CN201820032564 U CN 201820032564U CN 207720407 U CN207720407 U CN 207720407U
- Authority
- CN
- China
- Prior art keywords
- coil
- loud speaker
- shrapnel
- magnetic circuit
- circuit component
- 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.)
- Expired - Fee Related
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of loud speakers, including coil, sound basin and magnetic circuit component, sound basin to be arranged in the upper end of magnetic circuit component, shrapnel is provided in coil, the inner end of shrapnel is connect with magnetic circuit component, and the outer end of shrapnel is connect with coil or sound basin, and the inner end of sound basin is connected on coil.It can reduce resonant frequency Fs, and the power of loud speaker can be made to increase.
Description
Technical field
The utility model is related to sound technique field more particularly to a kind of loud speakers that can reduce resonant frequency.
Background technology
Currently, speaker products develop towards micromation, high-power and portable direction in recent years, therefore speaker is made
Loud speaker bore and then reduces.It is well known that the resonant frequency Fs of high-quality speaker is small, bass, middle pitch and high pitch are adapted to
Balance.
But existing loud speaker has the following defects：
(1) if the coil bore of loud speaker increases, the width of shrapnel reduces, and brings harmonic frequency of loudspeakers Fs liters
Height causes low frequency to lack, and overall sound quality effect is made to be deteriorated；
(2) if the coil bore of loud speaker reduces, the width of shrapnel increases, and the power of loud speaker is made to reduce, and
Its coil oscillating mass is smaller, and bass dive is poor.
Utility model content
For overcome the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of loud speaker, can drop
Low resonant frequency Fs, and the power of loud speaker can be made to increase.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of loud speaker, it is characterised in that：Including coil, sound basin and magnetic circuit component, the sound basin is arranged in the magnetic circuit
The upper end of component is provided with shrapnel in the coil, and the inner end of the shrapnel is connect with magnetic circuit component, the outer end of the shrapnel with
Coil or the connection of sound basin, the inner end of the sound basin is connected on the coil.
Further, the inner end of the shrapnel is connect by connector with the magnetic circuit component.
Further, the upper end of the connector is provided with the boss for connecting the shrapnel.
Further, the lower end of the connector is provided with the fixed column for connecting the magnetic circuit component.
Further, the connector is arranged in the centre of the shrapnel.
Further, the magnetic circuit component includes pedestal and the magnet that is arranged in the pedestal, and the magnet upper end is set
It is equipped with magnetic conductive board, the magnetic conductive board is connect with the connector.
Further, the coil is arranged between the magnetic conductive board and the pedestal.
Further, the upper end of the pedestal is provided with holder, and the outer end setting of the sound basin is held on the bracket.
Further, the sound basin includes that ring and the sound being arranged on the ring are bored, the ring and the holder
Connection, the sound cone are connect with the coil.
Further, the upper end of the coil is provided with dustproof cover.
Compared with prior art, the beneficial effects of the utility model are：
The shrapnel of this loud speaker is arranged in coil, and larger coil bore can be arranged, be equivalent to and increase to form line
The length of the winding of circle, the electromagnetic force that coil generates when so as to increase work, while can also increase the quality of coil, Jin Erzeng
The power of loud speaker is added；The width of coil inner shrapnel can also design longer simultaneously, can increase the quality of shrapnel, and raise one's voice
The resonant frequency of device is inversely proportional with the quality of shrapnel, the resonant frequency Fs of loud speaker can also reduced, and then make the sound of loud speaker
Matter effect is more excellent.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model loud speaker；
Fig. 2 is the configuration schematic diagram of the utility model loud speaker；
Fig. 3 is the sectional view of the utility model loud speaker；
Fig. 4 is the dimensional structure diagram of the utility model loud speaker connector；
Fig. 5 is the enlarged structure schematic diagram at A in Fig. 3.
In figure：10, magnet assembly；11, holder；12, pedestal；13, magnet；14, magnetic conductive board；20, coil；21, shrapnel；
211, the first junction；22, connector；221, boss；222, fixed column；23, dustproof cover；30, sound basin；31, ring；32, sound
Cone；321, the second junction.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
A kind of loud speaker as shown in Figs. 1-3, includes magnetic circuit component 10, coil 20 and sound basin 30 for generating magnetic field,
Sound basin 30 is arranged in the upper end of magnetic circuit component 10, and coil 20 is located in the magnetic field of the generation of magnetic circuit component 10, and the inner end of sound basin 30 connects
It is connected to one end of coil 20, coil 20 is cylindrical shape, and shrapnel 21 is provided in coil 20, and shrapnel 21 has to be connected with magnetic circuit component 10
The outer end of the inner end connect, shrapnel 21 is connect with coil 20 or sound basin 30, in this way when designing the coil 20 of larger caliber, also can
The wider shrapnel 21 of corresponding design；Preferably, shrapnel 21 is annular, and the inner end that shrapnel 21 is connect with magnetic circuit component 10 is located at
The central position of shrapnel.
In the present embodiment, the shrapnel 21 of loud speaker is arranged in coil 20, and the outer edge of shrapnel 21 can be with coil 20
By being adhesively fixed, the first junction 211 is formed, the coil 20 of larger caliber can be thus set, be equivalent to and increase shape
At the length of the winding of coil, the electromagnetic force that coil 20 generates when so as to increase work, and then increase the power of loud speaker；
In addition, can also increase the quality of coil 20, the vibrations quality of coil 20 is set to increase, to keep bass dive good；Coil simultaneously
The bore that the width of 20 inner shrapnels 21 can also be designed with coil 20 increases and increases, and to increase the quality of shrapnel 21, and raises one's voice
The resonant frequency of device is inversely proportional with the quality of shrapnel 21, to make the resonant frequency Fs of loud speaker reduce, and then makes loud speaker
Bass, middle pitch and high pitch more balance, and acoustical quality is more excellent.
As preferred embodiment, as shown in Figure 3-4, it is connect with magnetic circuit component 10 for the ease of shrapnel 21, shrapnel 21
Inner end can be connect with magnetic circuit component 10 by a connection piece 22.As shown in Fig. 2, the upper end of the connector 22 is provided with and is used for
The boss 221 of shrapnel 21 is connected, which facilitates the inner end of shrapnel 21 to be bonded on boss 221；The lower end of connector 22
It is provided with the fixed column 222 for connecting magnetic circuit component 10, magnetic circuit component 10 includes magnetic conductive board 14, can be arranged on magnetic conductive board 14 logical
Hole, fixed column 222 can be clamped through-hole or fixed column 222 is connect with through hole whorl；Connector 22 is arranged in the centre of shrapnel 21,
The center of gravity of shrapnel 21 can thus overlapped with its geometric center, shrapnel 21 is more firm, can also make the vibrations of coil 20 also more equal
Even, the sound that loud speaker is sent out is more pleasing to the ear；Preferably, coil 20 is arranged between magnetic conductive board 14 and pedestal 12, so that magnetic circuit group
The magnetic line of force that part 10 generates passes through coil 20 as much as possible.
In the above-described embodiment, because of the outer end of shrapnel 21 and 20 lateral connection of coil, and the inner end of shrapnel 21 and company
Fitting 22 is fixedly connected, so shrapnel 21 can prevent coil 20 (being commonly called as voice coil) transverse shifting, can only be vertically moved, to make this
The resonant frequency Fs of loud speaker keeps stablizing, and the elasticity of shrapnel 21 is conducive to the longitudinal movement of coil 20；Preferably, shrapnel 21 also may be used
For the circular elastic piece of a middle opening；20 transverse shifting of coil in order to prevent, coil 20 could be sandwiched in magnetic conductive board 14 and pedestal 12
Between.
In other embodiments, shrapnel 21 can be connect by "T"-shaped piece with magnetic circuit component 10, and "T"-shaped piece of upper end is
One disk being clamped with shrapnel 21, "T"-shaped piece of lower end can be with 14 screw thread of magnetic conductive board or the cylinder of clamping for one；It is appreciated that
, connector 22 or a cylinder or " I " fonts block.
As preferred embodiment, as Figure 2-3, magnetic circuit component 10 includes the pedestal 12 of cupuliform and is arranged in pedestal
Magnet 13 in 12, wherein pedestal 12 play a part of to protect magnet 13 and magnetic conductive board 14；Magnetic conductive board 14, profit is arranged in 13 upper end of magnet
It is connect with connector 22 with magnetic conductive board 14, is connect with magnetic circuit component 10 convenient for connector 22.
In the above-described embodiment, magnetic circuit component 10 generates the magnetic line of force, and the magnetic line of force passes through coil 20, in this way when coil 20 is logical
After electricity, electromagnetic force is just will produce on coil 20, to 20 longitudinal movement of driving coil, to drive sound basin 30 to shake sounding.
In other embodiments, magnetic circuit component 10, which is alternatively other, can generate magnetic component, such as magnet 13 can
By replacements such as magnetite or electromagnet, pedestal 12 can be by replacements such as pedestal or shells.
As preferred embodiment, as shown in Figure 3 and Figure 5, the upper end of pedestal 12 is provided with holder 11, sound basin 30 it is outer
End is arranged in the upper end of holder 11, which facilitates the installation of sound basin 30；Sound basin 30 includes ring 31 and is arranged in ring 31
On sound cone 32, ring 31 is connect with holder 11, the structure facilitate sound bore 32 installation；Sound cone 32 is connect with coil 20, should
Structure facilitates coil 20 and sound is driven to bore 32 vibration soundings；The upper end of coil 20 is provided with dustproof cover 23, which can prevent ash
Dirt falls into coil 20 so as to cause both poor sound quality.
In the above-described embodiment, can be opened up on holder 11 facilitate acoustic hole position, ring 31 can it is Nian Jie with holder 11 or
It snaps connection；Coil 22 can bore 32 Nian Jie, the second junctions 321 of formation with sound；As shown in Figure 5, wherein the first junction 211
It can arbitrarily adjust with the second junction 321, when the first junction 211 and the second junction 321 decline, can reduce
The height of loud speaker can reduce by 20% or so, realize the ultrathin of this loud speaker.
It should be understood that coil 20 also can directly be connect with ring 31, after coil 20 is powered, coil 20 drives ring 31
Vibrations, to make the sound on ring 31 bore 32 vibrations sounding；Dustproof cover 23 can be bonded or be connected on coil 20.
The loud speaker of summary, the utility model embodiment generates magnetic field by magnetic circuit component 10, after being powered to coil 20,
Coil 20 generates vibrations, to drive sound basin 30 to shake sounding；And wherein shrapnel 21 is arranged in coil 20, the width of shrapnel 21
It can increase with the bore of coil 20, so as to increase the power that bears of this loud speaker, can also reduce the resonance of this loud speaker
Frequency Fs；In addition, this loud speaker can also realize ultrathin.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (10)
1. a kind of loud speaker, it is characterised in that：Including coil, sound basin and magnetic circuit component, the sound basin is arranged in the magnetic circuit group
The upper end of part is provided with shrapnel in the coil, and the inner end of the shrapnel is connect with magnetic circuit component, the outer end of the shrapnel and line
Circle or the connection of sound basin, the inner end of the sound basin is connected on the coil.
2. loud speaker according to claim 1, it is characterised in that：The inner end of the shrapnel passes through connector and the magnetic circuit
Component connects.
3. loud speaker according to claim 2, it is characterised in that：The upper end of the connector is provided with described for connecting
The boss of shrapnel.
4. loud speaker according to claim 3, it is characterised in that：The lower end of the connector is provided with described for connecting
The fixed column of magnetic circuit component.
5. loud speaker according to claim 4, it is characterised in that：The connector is arranged in the centre of the shrapnel.
6. loud speaker according to claim 2, it is characterised in that：The magnetic circuit component includes pedestal and is arranged in the base
Magnet in seat, the magnet upper end are provided with magnetic conductive board, and the magnetic conductive board is connect with the connector.
7. loud speaker according to claim 6, it is characterised in that：The coil is arranged in the magnetic conductive board and the pedestal
Between.
8. loud speaker according to claim 6, it is characterised in that：The upper end of the pedestal is provided with holder, the sound basin
Outer end setting hold on the bracket.
9. loud speaker according to claim 8, it is characterised in that：The sound basin includes ring and is arranged on the ring
Sound cone, the ring connect with the holder, and the sound is bored and connect with the coil.
10. loud speaker according to claim 1, it is characterised in that：The upper end of the coil is provided with dustproof cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032564.7U CN207720407U (en) | 2018-01-09 | 2018-01-09 | A kind of loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032564.7U CN207720407U (en) | 2018-01-09 | 2018-01-09 | A kind of loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207720407U true CN207720407U (en) | 2018-08-10 |
Family
ID=63055224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820032564.7U Expired - Fee Related CN207720407U (en) | 2018-01-09 | 2018-01-09 | A kind of loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207720407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108307278A (en) * | 2018-01-09 | 2018-07-20 | 深圳市奋达科技股份有限公司 | A kind of loud speaker |
-
2018
- 2018-01-09 CN CN201820032564.7U patent/CN207720407U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108307278A (en) * | 2018-01-09 | 2018-07-20 | 深圳市奋达科技股份有限公司 | A kind of loud speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |