CN209419842U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN209419842U CN209419842U CN201920646507.2U CN201920646507U CN209419842U CN 209419842 U CN209419842 U CN 209419842U CN 201920646507 U CN201920646507 U CN 201920646507U CN 209419842 U CN209419842 U CN 209419842U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- vibrating diaphragm
- loudspeaker according
- voice coil
- loudspeaker
- 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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- 238000004891 communication Methods 0.000 claims description 2
- 230000001755 vocal effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 239000012528 membrane Substances 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model relates to loudspeaker unit technical fields, disclose loudspeaker, including diaphragm, diaphragm includes the first vibrating diaphragm set gradually from the inside to the outside, connection sheet and the second vibrating diaphragm, diaphragm bottom is connected with voice coil, and voice coil lower part is connected with magnet, offers annular groove on magnet.The utility model has the strong advantage of the transmissibility and loudness of sound in each frequency range.
Description
Technical field
The utility model relates to loudspeaker unit technical fields, specially loudspeaker.
Background technique
Loudspeaker is a kind of energy transducer for electric signal being changed into acoustical signal, it substantially by vibrating membrane, voice coil, magnet and
The composition such as bracket, and be also divided into according to the difference of loudness: woofer, mid frequency ludspeaker and tweeter.Work as voice coil
It is passed through after tone currents and generates alternating magnetic field, magnet generates the constant stationary magnetic field of a magnetic field size and Orientation, and alternation magnetic
The size and Orientation of field constantly changes with the variation of tone currents, under the interaction of alternating magnetic field and stationary magnetic field, sound
Circle makees the vertically movement with electric current in voice coil, and under the movement of voice coil, vibrating membrane vibrates, and vibration vibration of membrane causes air
Vibration, to make a sound.
The shape of vibrating membrane affects the loudness and transmissibility of loudspeaker entirety, currently, the shape of loudspeaker vibrating diaphragm is normal
Using annular and big top dome shape, shape is relatively simple, and Oscillation Amplitude is inadequate in vibration processes, so that loudspeaker is in each frequency range
Shortcomings on transmissibility and loudness.
Summary of the invention
The utility model is intended to provide a kind of loudspeaker, with overcome in the prior art vibrating membrane width is vibrated in vibration processes
Degree is inadequate, the problem for causing sound insufficient in the dynamics and loudness that each frequency range is propagated.
In order to achieve the above objectives, the technical solution of the utility model is as follows: loudspeaker, including diaphragm, and the diaphragm includes
The first vibrating diaphragm, connection sheet and the second vibrating diaphragm set gradually from the inside to the outside, first vibrating diaphragm be hemispherical, the connection sheet and
Second vibrating diaphragm is annular, and the cross sectional shape of the connection sheet is waveform；The diaphragm bottom is connected with voice coil, and voice coil lower part connects
It is connected to magnet, annular groove is offered on the magnet, voice coil is located in annular groove.
The working principle of the technical scheme is as follows: voice coil is passed through tone currents, and voice coil generates alternation magnetic under the action of electric current
, meanwhile, magnet generates the constant stationary magnetic field of a magnetic field size and Orientation, and the size and Orientation of alternating magnetic field is with audio
The variation of electric current constantly changes, under the interaction of alternating magnetic field and stationary magnetic field, voice coil make vertically with electric current in voice coil
It moving, drives diaphragm vibration in the movement of voice coil, the first vibrating diaphragm, connection sheet and the second vibrating diaphragm on diaphragm generate vibration, thus
Cause air vibration, and then makes a sound.
Above-mentioned technical proposal compared with prior art the advantages of be: 1, by wavy connection sheet, increase second
The annulus area of vibrating diaphragm, so that sound transmission power is more preferable, and loudness is bigger in the loudspeaker unit of same size；2, originally
Technical solution combines annular and the vibrating membrane of big top dome shape so that loudspeaker have in high, medium and low each frequency range it is extraordinary
Tone color and clarity 3；Under the effect of vibration of the second vibrating diaphragm, the Oscillation Amplitude of connection sheet is more obvious, obtains preferably extension,
Middle bass effect to make loudspeaker issue more goes out to adopt.
It advanced optimizes, first vibrating diaphragm, connection sheet and the second vibrating diaphragm integrally connected；The first of integral type machine-shaping
Vibrating diaphragm, connection sheet and the second vibrating diaphragm, production efficiency are higher.
It advanced optimizes, first vibrating diaphragm, connection sheet and the second vibrating diaphragm are detachably connected.The first vibration being detachably connected
Film, connection sheet and the second vibrating diaphragm damage accordingly, facilitate after diaphragm damages in use, to the first vibrating diaphragm, connection sheet
Or second vibrating diaphragm damaging part replaced accordingly, reduce the waste of material.
It advanced optimizes, is covered with clip shell outside the magnet, clip shell screw top is connected with circular orientation plate, the second vibrating diaphragm
It is threaded on circular orientation plate.Effectively magnet can be fixed by clip shell, and effectively magnet is protected；And ring
Effectively the second vibrating diaphragm can be fixed for shape positioning plate, to effectively limit to entire diaphragm, and prevent the position of diaphragm
It moves.
It advanced optimizes, is covered with lower cover outside the clip shell, the lower cover screw top is connected with upper cover.Upper cover and lower cover
Play the role of protection, the internal structure of upper cover and lower cover is avoided to become accidentally damaged.
It advanced optimizes, the upper cover is to justify shape, offers sound channel in the middle part of upper cover.It can be preferably by sound by sound channel
It is transmitted to the external world.
Advanced optimize, the lower cover be it is rectangular, opened up inside lower cover there are two sound channel, vocal tract shape is " S type ", sound channel
It is in communication with the outside.The sound channel of " S type " allows the volume of lower cover to tend to flat, effectively reduces the volume of lower cover；Two sound channels
Interior sound is discharged out of lower cover, and converge that rear loudness is bigger, and propagation distance is farther.
It advanced optimizes, is connected with dustproof cover in the sound channel；Phase plug is threaded between the upper cover and diaphragm.
It can effectively prevent dust by dustproof cover to enter in upper cover, prevent dust from influencing the normal operation of loudspeaker, and phase plug can be kept away
Exempt from dustproof cover division, improve the heat dissipation effect of magnet, so that magnet be made to bear bigger power, while also making the vortex in voice coil
Short circuit current is to reduce distortion.
It advanced optimizing, the edge of the phase plug, diaphragm and circular orientation plate circumferentially offers several location holes,
Half slot is offered at location hole on the phase plug, is fixedly connected at the location hole on the circular orientation plate and semicircle
Corresponding half round block of groove location.By location hole, so that the connection of phase plug, diaphragm and circular orientation plate is more compact；And lead to
Half slot and half round block are crossed, so that phase plug, diaphragm and circular orientation plate are mutually limited between each other, to avoid voice coil
It is subjected to displacement in vibration with entire diaphragm, and then influences that effect occurs.
It advanced optimizes, several through slots is offered in the clip shell；Circular orientation board bottom portion is connected with several limits
Item, the position of every two positive stop strip are corresponding with the position of one of through slot.By through slot and positive stop strip, so that clip shell and ring
Connection between shape positioning plate is more firm, compact.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model loudspeaker；
Fig. 2 is the structural schematic diagram of phase plug in the utility model；
Fig. 3 is the structural schematic diagram of voice coil in the utility model；
Fig. 4 is the cross-sectional view of connection sheet in the utility model；
Fig. 5 is the bottom view of the circular orientation plate in the utility model；
Fig. 6 is the structural schematic diagram of second of embodiment of the utility model.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: the first vibrating diaphragm 1, connection sheet 2, the second vibrating diaphragm 3, voice coil 4, magnet 5, ring
Shape slot 6, clip shell 7, circular orientation plate 8, lower cover 9, upper cover 11, sound channel 12, phase plug 13, location hole 14, half slot 15, through slot
16, positive stop strip 17.
Embodiment 1 it is basic as shown in attached drawing 1-5: loudspeaker, including diaphragm, diaphragm including successively integrally connecting from the inside to the outside
The first vibrating diaphragm 1, connection sheet 2 and the second vibrating diaphragm 3 connect, the first vibrating diaphragm 1 are hemispherical, and the shape of connection sheet 2 and the second vibrating diaphragm 3 is
Annular, the cross sectional shape of connection sheet 2 are waveform, and the area ratio of 3 cross section of the first vibrating diaphragm 1 and the second vibrating diaphragm is 1:2；First
The bottom of vibrating diaphragm is connected with voice coil 4, and 4 lower part of voice coil is connected with magnet 5, and annular groove 6 is offered on magnet 5, and voice coil 4 is located at annular
In slot 6；It is covered with clip shell 7 outside magnet 5,7 top screw of clip shell is connected with circular orientation plate 8, and the edge of the second vibrating diaphragm passes through spiral shell
Nail is connected to the top of circular orientation plate 8, is covered with lower cover 9 outside clip shell 7, and 9 top screw of lower cover is connected with upper cover 11, in upper cover 11
Portion offers sound channel 12, and dustproof cover is connected in sound channel 12, and screw is connected with phase plug 13 between upper cover 11 and the second vibrating diaphragm 3,
The edge of phase plug 13, the second vibrating diaphragm 3 and circular orientation plate 8 is circumferentially opened up there are four location hole 14, on phase plug 13
Location hole 14 at offer half slot 15, be connected at the location hole 14 on circular orientation plate 8 opposite with 15 position of half slot
Half round block answered, opens up that there are two through slots 16 in clip shell 7；8 bottom of circular orientation plate is affixed, and there are four positive stop strip 17, every two limits
The position of position item 17 is corresponding with the position of a through slot 16.
The specific embodiment of the present embodiment 1 is as follows: the diaphragm material of this loudspeaker is plastics or metal, is originally applied in example
Film sheet is of fine quality to be selected as thermosetting plastics or thermoplastic.It is passed through tone currents to voice coil 4, voice coil 4 is under the action of electric current
Alternating magnetic field is generated, meanwhile, magnet generates the constant stationary magnetic field of a magnetic field size and Orientation, the size of alternating magnetic field and side
Constantly change to the variation of tone currents, under the interaction of alternating magnetic field and stationary magnetic field, voice coil 4 is made perpendicular to water
The up and down motion of plane, entire diaphragm is in the state of fixed clamp, so that the upper and lower movement of voice coil 4 drives connected diaphragm
Vibration, the first vibrating diaphragm 1, connection sheet 2 and the second vibrating diaphragm 3 on diaphragm generate vibration, so as to cause air vibration, and then sending sound
The sound of sound, generation is transmitted by the sound channel 12 in upper cover 11 to outside, and the dustproof cover in sound channel 12 can effectively prevent dust
Into, prevent dust from influencing the sounding effect of loudspeaker, and the phase plug 13 above diaphragm is not only avoided that dustproof cover because of vibration
And it dividing, moreover it is possible to the heat dissipation effect for improving magnet allows magnet that can bear bigger power, makes the vortex current short circuit in voice coil 4,
To reduce distortion；Pass through four location holes 14 and phase plug 13 and circular orientation on phase plug 13 and circular orientation plate 8
Half slot 15 and half round block on plate 8 carry out the limitation of position to the second vibrating diaphragm 3, effectively prevent the generation in vibration of entire diaphragm
Displacement to not influence the sounding effect of loudspeaker, and passes through the logical of positive stop strip 17 on circular orientation plate 8 and clip shell 7 again
Slot 16 carries out locked and fixed, make to be connected between phase plug 13, the second vibrating diaphragm 3, circular orientation plate 8, clip shell 7 and magnet one it is whole
Body, more compact structure, under such configuration, voice coil 4 and entire diaphragm vibration are more firm, and sounding is more steady.
When the electric current of input voice coil 4 is bigger, the active force of alternating magnetic field is bigger, and the Oscillation Amplitude of diaphragm is bigger, sound
Sound is then louder.In diaphragm vibration, the annulus area of the second vibrating diaphragm 3 is increased by wavy connection sheet 2, so that loudspeaker
Effect in middle bass field is more prominent, and the first vibrating diaphragm of hemispherical 1 among diaphragm ensure that loudspeaker in mid-high voice frequency
Sound has good extension in section, and under the effect of vibration of the high-amplitude in the first vibrating diaphragm 1, wavy connection sheet 2 is obtained
Preferably extend, so that the effect of middle bass be made more to go out to adopt；Existing circular diaphragm because annulus area fettered, is limited,
Leading to vibrating membrane, amplitude is limited up and down, voice coil 4 cannot complete cutting magnetic field, resistance increases in voice coil, generate heating effect of current (when
When electric current passes through resistance, current work and consume electric energy, produce heat), generate huge heat, be easy to appear diaphragm because of high temperature
It is burned out, however the area ratio of 3 cross section of the first vibrating diaphragm 1 and the second vibrating diaphragm of this loudspeaker is set as 1:2, so that the second vibration
Film 3 not only guarantees the stability of 3 edge of the second vibrating diaphragm connection, is also the second about 3 vibrating diaphragm under bigger annulus area design
Amplitude provides bigger stroke up and down, makes the more complete cutting magnetic field of voice coil 4, reduces direct current fuel factor and (reduces the production of heat
It is raw), to be integrally improved the service life of diaphragm.
Embodiment 2 the difference from embodiment 1 is that, as shown in fig. 6, sound channel 12 is provided in lower cover 9,12 quantity of sound channel is
Two, two sound channels 12 are symmetrical arranged along 9 central axes of lower cover, and the shape of sound channel 12 is " S type ", are set by " S type " sound channel 12
It sets, so that the shape of lower cover 9 tends to flat, to reduce volume, reduces manufacturing cost；And the sound in two sound channels 12
After being discharged out of lower cover 9, and converged, sound intensity is bigger, and propagation distance is farther.
Embodiment 3 between the first vibrating diaphragm, connection sheet and the second vibrating diaphragm by glue the difference from embodiment 1 is that glued
It closing, the first vibrating diaphragm, connection sheet and the second vibrating diaphragm bonded by glue has after damaging in use convenient for diaphragm,
First vibrating diaphragm, connection sheet or the second vibrating diaphragm damaging part are replaced accordingly, reduce the waste of material.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific technical solution are not herein in scheme
Make excessive description.It should be pointed out that for those skilled in the art, before not departing from the utility model knot technical solution
It puts, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not shadow
Ring effect and patent practicability that the utility model is implemented.This application claims protection scope should be in its claim
Subject to appearance, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (10)
1. loudspeaker, including diaphragm, it is characterised in that: the diaphragm includes the first vibrating diaphragm set gradually from the inside to the outside, connection
Piece and the second vibrating diaphragm, first vibrating diaphragm are hemispherical, and the connection sheet and the second vibrating diaphragm are annular, the section of the connection sheet
Shape is waveform；The diaphragm bottom is connected with voice coil, and voice coil lower part is connected with magnet, offers annular on the magnet
Slot, voice coil are located in annular groove.
2. loudspeaker according to claim 1, it is characterised in that: first vibrating diaphragm, connection sheet and the second vibrating diaphragm one
Connection.
3. loudspeaker according to claim 1, it is characterised in that: first vibrating diaphragm, connection sheet and the second vibrating diaphragm are removable
Unload connection.
4. loudspeaker according to claim 3, it is characterised in that: be covered with clip shell, clip shell screw top outside the magnet
It is connected with circular orientation plate, the second vibrating diaphragm is threaded on circular orientation plate.
5. loudspeaker according to claim 4, it is characterised in that: be covered with lower cover, the lower tops outside the clip shell
It is threaded with upper cover.
6. loudspeaker according to claim 5, it is characterised in that: the upper cover is to justify shape, is opened up in the middle part of upper cover sound
Road.
7. loudspeaker according to claim 5, it is characterised in that: the lower cover be it is rectangular, sound channel is offered inside lower cover,
Vocal tract shape is " S type ", and sound channel is in communication with the outside.
8. loudspeaker according to claim 6 or 7, it is characterised in that: be connected with dustproof cover in the sound channel；The upper cover
Phase plug is threaded between diaphragm.
9. loudspeaker according to claim 8, it is characterised in that: the edge of the phase plug, diaphragm and circular orientation plate
Place circumferentially offers several location holes, offers half slot at the location hole on the phase plug, on the circular orientation plate
Location hole at be connected with half round block corresponding with semicircle groove location.
10. loudspeaker according to claim 9, it is characterised in that: offer several through slots in the clip shell；The annular
Positioning plate bottom is connected with several positive stop strips, and the position of every two positive stop strip is corresponding with the position of one of through slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646507.2U CN209419842U (en) | 2019-05-07 | 2019-05-07 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646507.2U CN209419842U (en) | 2019-05-07 | 2019-05-07 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419842U true CN209419842U (en) | 2019-09-20 |
Family
ID=67945097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920646507.2U Expired - Fee Related CN209419842U (en) | 2019-05-07 | 2019-05-07 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209419842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213699A (en) * | 2019-05-07 | 2019-09-06 | 宁波音沛乐电子有限公司 | Loudspeaker |
-
2019
- 2019-05-07 CN CN201920646507.2U patent/CN209419842U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213699A (en) * | 2019-05-07 | 2019-09-06 | 宁波音沛乐电子有限公司 | Loudspeaker |
| CN110213699B (en) * | 2019-05-07 | 2024-04-02 | 宁波音沛乐电子有限公司 | Loudspeaker |
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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: 20190920 |