CN108810763A - Pistonic loudspeaker - Google Patents
Pistonic loudspeaker Download PDFInfo
- Publication number
- CN108810763A CN108810763A CN201810739940.0A CN201810739940A CN108810763A CN 108810763 A CN108810763 A CN 108810763A CN 201810739940 A CN201810739940 A CN 201810739940A CN 108810763 A CN108810763 A CN 108810763A
- Authority
- CN
- China
- Prior art keywords
- annular
- interior
- magnetic guiding
- diaphragm
- guiding cycle
- 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
- 230000001413 cellular effect Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 22
- 238000004026 adhesive bonding Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000009954 braiding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 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 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
A kind of pistonic loudspeaker,Using high-intensity magnetic field,Bigbore annular driver,The annular driver is equipped with interior magnetic guiding cycle and outer magnetic guiding cycle,It is interior,Lower end between outer magnetic guiding cycle is equipped with annular end cap,Interior magnetic guiding cycle outer circle is equipped with annular permanent magnet,Piston type vibrator is equipped with cellular plate diaphragm,The honeycomb fashion plate diaphragm is annular,The outer circle of cellular plate diaphragm is equipped with outer elastic wave sheet,Inner circle is equipped with interior elastic wave sheet,It is plane above cellular plane diaphragm,The inner conical surface and external conical surface that here is made of several hexagonal cell cores,Cellular plane diaphragm is driven using big voice coil,The inner conical surface and external conical surface light weight of vibrating diaphragm,With good rigidity,Cellular plane diaphragm eliminates the diaphagras of taper cone,Entire plane diaphragm is set to be completely in piston vibration state in effective frequency range,Pistonic loudspeaker frequency response is wide and flat,Harmonic distortion is small.
Description
Technical field
The present invention relates to electroacoustic techniques field more particularly to a kind of pistonic loudspeakers.
Background technology
Loud speaker is a kind of electro-acoustic element being made of magnetic circuit system and vibrational system, its developing history is of long standing and well established,
Traditional loud speaker is a kind of electro-acoustic element that technology maturation is stablized, and current loud speaker is in terms of magnetic circuit system and vibrational system
Still continuously improving, having various novel loud speakers in the market and emerge in multitude, for example, it is disclosed application No. is
" 2015101140140 ", the patent of invention of entitled " W types loud speaker ", it makes the outstanding side vibrating diaphragm of the list of conventional loudspeakers into double
Outstanding side vibrating diaphragm `, but it is still traditional taper cone loudspeaker, its shortcoming is that：Taper cone is in up-down vibration, paper
The air compression force of basin upper and lower side is not reciprocity, and taper cone is the cone of diaphagras, and the sound that taper cone is sent out is
Distortion, therefore the distortion of taper cone is reduced, preferably taper cone is replaced with one piece of flat vibrating diaphragm.
Invention content
In order to overcome the shortcomings of " W types loud speaker ", the present invention provides a kind of pistonic loudspeaker.
Technical solution is shaken by annular driver and piston type used by the pistonic loudspeaker solves its technical problem
Dynamic device composition, it is characterised in that：The annular driver is equipped with interior magnetic guiding cycle and outer magnetic guiding cycle, between inside and outside magnetic guiding cycle under
End is equipped with annular end cap, and interior magnetic guiding cycle outer circle is equipped with annular permanent magnet, and the annular permanent magnet is manufactured with NdFeB material
Kicker magnet, pole orientation are radial, are fixed with AB glue between inner circle and interior magnetic guiding cycle outer circle, annular permanent magnet upper end is led with interior
Magnetosphere upper end same plane forms high-intensity magnetic field air gap between annular permanent magnet outer circle and outer magnetic guiding cycle inner circle；The piston type shakes
Dynamic device is equipped with big toroidal frame and small toroidal frame, and the big toroidal frame inner circle connects outer magnetic guiding cycle upper end, and big toroidal frame outer circle is equipped with
Circumferential step, the circumferential step are annular, and magnetic guiding cycle upper end in the small toroidal frame outer circle connection, small toroidal frame is led inner circle and set
It is cupuliform to have center step, the center step, and the annular surface of the big toroidal frame is equipped with the big fan-shaped window of several deciles, institute
The annular surface for stating small toroidal frame is equipped with the small fan-shaped window of several deciles, the interior magnetic guiding cycle and outer magnetic guiding cycle, big toroidal frame and
Small toroidal frame, circumferential step and center step and annular end cap are to use the stamping forming integrated speaker body branch of iron sheet
Frame, the piston type vibrator are equipped with cellular plate diaphragm, and the honeycomb fashion plate diaphragm is annular, cellular plate diaphragm
Outer circle be equipped with outer elastic wave sheet, inner circle be equipped with interior elastic wave sheet, it is described honeycomb fashion plane diaphragm above be plane, be by several below
The sectional view of the inner conical surface and external conical surface of hexagonal cell core composition, inner conical surface and external conical surface is symmetrical
Left isosceles triangle and right isosceles triangle, the honeycomb fashion plane diaphragm, outer elastic wave sheet, interior elastic wave sheet are with highstrenghtpiston one
Body injection molding is located at left isosceles triangle, the top of the horn of right isosceles triangle is equipped with annular voice coil slot, installation in voice coil slot
Speech coil framework is fixed between voice coil slot and speech coil framework with AB glue, speech coil framework lower end outer circle coiling voice coil coil, voice coil coil
Height be less than the height of annular permanent magnet, voice coil coil is located at the middle part of annular permanent magnet height, the inner circle of speech coil framework and
Certain air gap is kept between the outer circle of annular permanent magnet；Certain gas is kept between the outer circle of voice coil coil and outer magnetic guiding cycle inner circle
Gap；The outer elastic wave sheet circumference is equipped with outer installation side, and outer installation side gluing is located in circumferential step, outer installation side upper end gluing
Papery O-ring, papery O-ring circumference are equipped with several mounting holes with circumferential step, and the interior elastic wave sheet center is equipped with interior installation side,
Interior installation side gluing is centrally located on step, interior installation side upper end gluing plastics planchet, and plastics planchet lower end is equipped with center spiral shell
Interior elastic wave sheet is centrally located on the step of center by adjusting screw, center bolt nail, the center step inner circle tight fit installation insulation
Set, insulation sleeve inner circle are equipped with left welding piece and backhand welding contact pin, and left welding piece and backhand welding contact pin are respectively by upper tubular rivet and lower sky
Heart rivet is fixed on insulation sleeve inner circle, and the voice coil coil is equipped with left lead and right lead, and left lead and right lead are that braiding is soft
Copper wire, embowment, left lead and right lead are respectively welded in the tubular rivet of upper left and in upper right tubular rivet, the center
Step is equipped with left window and right window, and left window is corresponding with upper left tubular rivet, and right window is corresponding with upper right tubular rivet.
The advantageous effect of the pistonic loudspeaker is：The pistonic loudspeaker is using high-intensity magnetic field, bigbore ring
Shape driver, the honeycomb fashion plane diaphragm are driven using big voice coil, and the inner conical surface and external conical surface light weight of vibrating diaphragm have
Good rigidity, cellular plane diaphragm eliminate the diaphagras of taper cone, make entire plane diaphragm in effective frequency model
It is completely in piston vibration state in enclosing, pistonic loudspeaker frequency response is wide and flat, and harmonic distortion is small.
Description of the drawings
Fig. 1 is pistonic loudspeaker cross-sectional view.
Specific implementation mode
It further illustrates below in conjunction with the accompanying drawings.
In pistonic loudspeaker cross-sectional view shown in Fig. 1, the annular driver is equipped with 1 He of interior magnetic guiding cycle
Outer magnetic guiding cycle 2, the lower end between inside and outside magnetic guiding cycle are equipped with annular end cap 3, and interior magnetic guiding cycle outer circle is equipped with annular permanent magnet 4, described
Annular permanent magnet is the kicker magnet manufactured with NdFeB material, and pole orientation is radial, between inner circle and interior magnetic guiding cycle outer circle
It is fixed with AB glue, annular permanent magnet upper end and interior magnetic guiding cycle upper end same plane, annular permanent magnet outer circle and outer magnetic guiding cycle inner circle
Between formed high-intensity magnetic field air gap；The piston type vibrator is equipped with big toroidal frame 5 and small toroidal frame 6, the big toroidal frame inner circle
The outer magnetic guiding cycle upper end of connection, big toroidal frame outer circle are equipped with circumferential step 7, and the circumferential step is annular, outside the small toroidal frame
Magnetic guiding cycle upper end in circle connection, small toroidal frame lead inner circle and are equipped with center step 8, and the center step is cupuliform, the big annular
The annular surface of frame is equipped with the big fan-shaped window 9 of several deciles, and the annular surface of the small toroidal frame is equipped with the small sector of several deciles
Window 10, the interior magnetic guiding cycle and outer magnetic guiding cycle, big toroidal frame and small toroidal frame, circumferential step and center step and annular end
Lid is to use the stamping forming integrated speaker body holder of iron sheet, and the piston type vibrator is equipped with cellular tablet and shakes
Film, the honeycomb fashion plate diaphragm are annular, and the outer circle of cellular plate diaphragm is equipped with outer elastic wave sheet 11, inner circle is equipped with interior bullet wave
Piece 12,13 and of inner conical surface that is plane, is made of below several hexagonal cell cores above the honeycomb fashion plane diaphragm
The sectional view of external conical surface 14, inner conical surface and external conical surface is symmetrical left isosceles triangle and right isoceles triangle
Shape, the honeycomb fashion plane diaphragm, outer elastic wave sheet, interior elastic wave sheet highstrenghtpiston's integrated injection molding, is located at left isosceles
Triangle, right isosceles triangle the top of the horn be equipped with the voice coil slot of annular, speech coil framework 15, voice coil slot and voice coil are installed in voice coil slot
It is fixed with AB glue 16 between skeleton, speech coil framework lower end outer circle coiling voice coil coil 17, the height of voice coil coil is less than annular forever
The height of magnet, voice coil coil are located at the middle part of annular permanent magnet height, the inner circle of speech coil framework and the outer circle of annular permanent magnet
Between keep certain air gap；Certain air gap is kept between the outer circle of voice coil coil and outer magnetic guiding cycle inner circle；The outer elastic wave sheet circle
Week is equipped with outer installation side, and outer installation side gluing is located in circumferential step, outer installation side upper end gluing papery O-ring 18, papery O
Type circle circumference is equipped with several mounting holes 19 with circumferential step, and the interior elastic wave sheet center is equipped with interior installation side, interior installation side gluing
It is centrally located on step, interior installation side upper end gluing plastics planchet 20, plastics planchet lower end is equipped with center bolt and follows closely 21, center
Interior elastic wave sheet is centrally located on the step of center by screw, and the inner circle tight fit of the center step installs insulation sleeve 22, absolutely
The inner circle of edge set is equipped with left welding piece 23 and backhand welding contact pin 24, and left welding piece and backhand welding contact pin are respectively by upper tubular rivet 25 under
Tubular rivet 26 is fixed on the left and right end of insulation sleeve inner circle, and the voice coil coil is equipped with left lead 27 and right lead 28, left lead and
Right lead is braiding annealed copper wire, and embowment, left lead and right lead are respectively welded in the tubular rivet of upper left and upper right is hollow
In rivet, the center step is equipped with left window 29 and right window 30, and left window is corresponding with upper left tubular rivet, right window and the right side
Upper tubular rivet corresponds to.
The pistonic loudspeaker is used using high-intensity magnetic field, bigbore annular driver, the honeycomb fashion plane diaphragm
Big voice coil driving, there is good rigidity, cellular plane diaphragm to eliminate for the inner conical surface and external conical surface light weight of vibrating diaphragm
The diaphagras of taper cone makes entire plane diaphragm be completely in piston vibration state, piston type in effective frequency range
The frequency response of loudspeaker is wide and flat, and harmonic distortion is small.
Claims (2)
1. a kind of pistonic loudspeaker is made of annular driver and piston type vibrator, it is characterised in that：The annular driving
Device is equipped with interior magnetic guiding cycle (1) and outer magnetic guiding cycle (2), and the lower end between inside and outside magnetic guiding cycle is equipped with annular end cap (3), interior magnetic guiding cycle
Outer circle is equipped with annular permanent magnet (4), and the annular permanent magnet is the kicker magnet manufactured with NdFeB material, and pole orientation is diameter
To being fixed with AB glue between inner circle and interior magnetic guiding cycle outer circle, annular permanent magnet upper end and interior magnetic guiding cycle upper end same plane, ring
High-intensity magnetic field air gap is formed between shape permanent magnet outer circle and outer magnetic guiding cycle inner circle；The piston type vibrator is equipped with big toroidal frame (5)
With small toroidal frame (6), the big toroidal frame inner circle connects outer magnetic guiding cycle upper end, and big toroidal frame outer circle is equipped with circumferential step (7), institute
It is annular to state circumferential step, and magnetic guiding cycle upper end in the small toroidal frame outer circle connection, small toroidal frame leads inner circle and is equipped with center step
(8), the center step is cupuliform, and the annular surface of the big toroidal frame is equipped with the big fan-shaped window (9) of several deciles, described small
The annular surface of toroidal frame is equipped with the small fan-shaped window (10) of several deciles, the interior magnetic guiding cycle and outer magnetic guiding cycle, big toroidal frame and
Small toroidal frame, circumferential step and center step and annular end cap are to use the stamping forming integrated speaker body branch of iron sheet
Frame, the piston type vibrator are equipped with cellular plate diaphragm, and the honeycomb fashion plate diaphragm is annular, cellular plate diaphragm
Outer circle be equipped with outer elastic wave sheet (11), inner circle be equipped with interior elastic wave sheet (12), it is described honeycomb fashion plane diaphragm above be plane, below
The inner conical surface (13) and external conical surface (14) be made of several hexagonal cell cores, the section of inner conical surface and external conical surface
Figure is symmetrical left isosceles triangle and right isosceles triangle, the honeycomb fashion plane diaphragm, outer elastic wave sheet, interior bullet wave
Piece highstrenghtpiston's integrated injection molding is located at left isosceles triangle, the top of the horn of right isosceles triangle is equipped with annular sound
Ring recess, the interior installation speech coil framework (15) of voice coil slot, fixed with AB glue (16) between voice coil slot and speech coil framework, speech coil framework lower end
Outer circle coiling voice coil coil (17), the height of voice coil coil are less than the height of annular permanent magnet, and voice coil coil is located at annular permanent magnet
The middle part of body height keeps certain air gap between the inner circle of speech coil framework and the outer circle of annular permanent magnet；The outer circle of voice coil coil
Certain air gap is kept between outer magnetic guiding cycle inner circle；The outer elastic wave sheet circumference is equipped with outer installation side, the positioning of outer installation side gluing
In circumferential step, outer installation side upper end gluing papery O-ring (18), papery O-ring circumference is equipped with several peaces with circumferential step
It fills hole (19), the interior elastic wave sheet center is equipped with interior installation side, and interior installation side gluing is centrally located on step, on interior installation side
Gluing plastics planchet (20), plastics planchet lower end is held to be equipped with center bolt and follow closely (21), center bolt nail determines interior elastic wave sheet center
On the step of center, the inner circle of the inner circle tight fit installation insulation sleeve (22) of the center step, insulation sleeve is equipped with left welding for position
Piece (23) and backhand welding contact pin (24), left welding piece and backhand welding contact pin are solid by upper tubular rivet (25) and lower tubular rivet (26) respectively
It is scheduled on the left and right end of insulation sleeve inner circle, the voice coil coil is equipped with left lead (27) and right lead (28), and left lead and right lead are
Annealed copper wire, embowment are woven, left lead and right lead are respectively welded in the tubular rivet of upper left and in upper right tubular rivet, institute
It states center step and is equipped with left window (29) and right window (30), left window is corresponding with upper left tubular rivet, and right window is empty with upper right
Heart rivet corresponds to.
2. according to the pistonic loudspeaker described in claim 1, it is characterised in that：The pistonic loudspeaker using high-intensity magnetic field,
Bigbore annular driver, the honeycomb fashion plane diaphragm are driven using big voice coil, the inner conical surface and external conical surface of vibrating diaphragm
There is light weight good rigidity, cellular plane diaphragm to eliminate the diaphagras of taper cone, entire plane diaphragm is made to exist
Piston vibration state is completely in effective frequency range, pistonic loudspeaker frequency response is wide and flat, and harmonic distortion is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739940.0A CN108810763A (en) | 2018-07-07 | 2018-07-07 | Pistonic loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739940.0A CN108810763A (en) | 2018-07-07 | 2018-07-07 | Pistonic loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108810763A true CN108810763A (en) | 2018-11-13 |
Family
ID=64075562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810739940.0A Pending CN108810763A (en) | 2018-07-07 | 2018-07-07 | Pistonic loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108810763A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007233A1 (en) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker and manufacturing method therefor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040902A (en) * | 1988-09-01 | 1990-03-28 | 李万钧 | Loud speaker |
| CN2085588U (en) * | 1991-03-28 | 1991-09-25 | 天津市真美电声器材公司 | Throat cover integrated loud-speaker |
| CN201114756Y (en) * | 2006-12-11 | 2008-09-10 | 深圳市兰光进出口有限公司 | A vibration film surrounding push flat plate speaker |
| US7970162B2 (en) * | 2006-10-03 | 2011-06-28 | Sound Sources Technology, Inc. | Loudspeaker bobbin interconnection assembly |
| CN202679605U (en) * | 2012-04-24 | 2013-01-16 | 湖南音品电子有限公司 | Novel loudspeaker |
| JP2014239383A (en) * | 2013-06-10 | 2014-12-18 | ディービーテクノロジー株式会社 | Speaker and edge structure thereof |
| CN104811874A (en) * | 2015-03-16 | 2015-07-29 | 朱幕松 | W-type loudspeaker |
| CN205545891U (en) * | 2015-12-31 | 2016-08-31 | 广东佳禾声学科技有限公司 | A loudspeaker with internal and external elastic waves |
| CN206585748U (en) * | 2016-12-06 | 2017-10-24 | 宁波索纳德电子科技有限公司 | A kind of New-type loudspeaker |
-
2018
- 2018-07-07 CN CN201810739940.0A patent/CN108810763A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040902A (en) * | 1988-09-01 | 1990-03-28 | 李万钧 | Loud speaker |
| CN2085588U (en) * | 1991-03-28 | 1991-09-25 | 天津市真美电声器材公司 | Throat cover integrated loud-speaker |
| US7970162B2 (en) * | 2006-10-03 | 2011-06-28 | Sound Sources Technology, Inc. | Loudspeaker bobbin interconnection assembly |
| CN201114756Y (en) * | 2006-12-11 | 2008-09-10 | 深圳市兰光进出口有限公司 | A vibration film surrounding push flat plate speaker |
| CN202679605U (en) * | 2012-04-24 | 2013-01-16 | 湖南音品电子有限公司 | Novel loudspeaker |
| JP2014239383A (en) * | 2013-06-10 | 2014-12-18 | ディービーテクノロジー株式会社 | Speaker and edge structure thereof |
| CN104811874A (en) * | 2015-03-16 | 2015-07-29 | 朱幕松 | W-type loudspeaker |
| CN205545891U (en) * | 2015-12-31 | 2016-08-31 | 广东佳禾声学科技有限公司 | A loudspeaker with internal and external elastic waves |
| CN206585748U (en) * | 2016-12-06 | 2017-10-24 | 宁波索纳德电子科技有限公司 | A kind of New-type loudspeaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007233A1 (en) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker and manufacturing method therefor |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181113 |