CN106851505A - Vibrating diaphragm type zero frequency high tone quality loudspeaker - Google Patents
Vibrating diaphragm type zero frequency high tone quality loudspeaker Download PDFInfo
- Publication number
- CN106851505A CN106851505A CN201710207314.2A CN201710207314A CN106851505A CN 106851505 A CN106851505 A CN 106851505A CN 201710207314 A CN201710207314 A CN 201710207314A CN 106851505 A CN106851505 A CN 106851505A
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- CN
- China
- Prior art keywords
- vibrating diaphragm
- voice coil
- iron block
- annular iron
- loudspeaker
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- 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.)
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to vibrating diaphragm type zero frequency high tone quality loudspeaker, it is made up of magnetic field components and vibrating diaphragm moving component, the ducted body that described magnetic field components are made up of annular iron block, magnet ring and washer, described annular iron block is barrel-like structure iron block, the annular iron block bottom centre position is provided with through hole, magnet ring and washer are arranged in order and interfix in annular iron block inner bottom part, and gap is remained between described magnet ring and washer outer wall and annular iron block inwall；Described vibrating diaphragm moving component is by voice coil loudspeaker voice coil, vibrating diaphragm and plays wave component, described voice coil loudspeaker voice coil is the coil being wrapped in gap, described vibrating diaphragm is to be fixedly mounted at the opening of annular iron block, and be adjacent to the film on voice coil loudspeaker voice coil, the film when the magnetic line of force that voice coil loudspeaker voice coil cutting magnet ring is produced is moved compressed air and send sound；Described bullet ripple is arranged on vibrating diaphragm inner side, at the opening of annular iron block.The present invention is low with distortion, and sound is beautiful, and volume is few, simple structure, the advantages of cheap.
Description
Technical field
The present invention relates to a kind of stereo set, and in particular to a kind of loudspeaker.
Background technology
Sound system is made up of three-major-items, and one is source of sound；Two is power amplifier；Three is to complete raising one's voice for electroacoustic conversion
Device.And audio industry is till now, loudspeaker is the bottleneck that sound equipment further develops.
Compare power amplifier and loudspeaker, both electroacoustic index difference are very big：That is the distortion factor of power amplifier is current
Up to 0.1% or even 0.01%, the frequency response of its low side can be less than 20 weeks of audio frequency lower limit, tend to zero frequency.And raise
The distortion factor of sound device is hovered between 3 one 5% all the time, and particularly its low end frequency response is extremely difficult to less than 100 weeks, with audio
20 phase differences of lower-frequency limit are very remote, not to mention reach zero frequency.
Compare city's field boundary price of power amplifier and loudspeaker, the power amplifier for buying a high-quality is not required to 10,000 yuan, but buys
A pair of slightly quite a lot of audio amplifiers then need even hundreds of thousands unit of tens of thousands of units！Both contrasts are too big, and this is sound equipment worker and fan
And civilian is unwilling the fact that see.
Current loudspeaker is nearly all electrodynamic type, because current loudspeaker shapes are as loudspeaker therefore is commonly called as " loudspeaker ", this
In current loudspeaker be called " cone type loudspeaker ", referred to as " loudspeaker ".Horn structure includes：The circle formed by magnet and armature
Shape magnetic gap, and movable voice coil loudspeaker voice coil and the cone composition that is connected with voice coil loudspeaker voice coil, voice coil loudspeaker voice coil is embedded in magnetic gap, when voice coil loudspeaker voice coil passes to electric current, then
Voice coil loudspeaker voice coil makees cutting magnetic line movement under magnetic fields.Because voice coil loudspeaker voice coil is connected with cone, voice coil loudspeaker voice coil drives cone motion, and cone is then pressed
Contracting air and send sound.As can be seen here, cone acts on of crucial importance in loudspeaker, if without cone, loudspeaker will turn into
Dumb person's loudspeaker, will not sounding.But cone is again a double-edged sword, just because of the presence of cone, the LF-response of loudspeaker is subject to
Limitation, the people for somewhat contacting sound equipment both knows about：Loudspeaker cone is bigger, and bass is abundanter, and this shows that cone is closed with LF-response
System is very big, but it turns out that, the LF-response frequency of " cone formula loudspeaker " was compared with because difficult less than 100 weeks.
Although cone can complete electroacoustic, and conversion is outer, a lot of influence sound quality problems are brought, LF-response difference is only it
In more prominent disadvantage, also there is the detailed problem of many influence tonequality, no wonder (that) someone says that " it is exactly to play paper to play loudspeaker in row
Basin, it is exactly to play formula to play paper disc, and it is exactly to play chemistry to play formula ", penetratingly say the name of the game, it is clear that attempt to want with repairing
It is not wise move that the method on small scale mended overcomes the negative effect that cone brings all the time.
The content of the invention
The purpose of the present invention is, in order to solve existing speakers low frequencies difference in response, acoustical quality it is difficult to ensure that deficiency
A kind of place, there is provided vibrating diaphragm type zero frequency high tone quality loudspeaker.
The purpose of the present invention can be achieved through the following technical solutions：
Vibrating diaphragm type zero frequency high tone quality loudspeaker, is made up of, described magnetic field components magnetic field components and vibrating diaphragm moving component
The ducted body being made up of annular iron block, magnet ring and washer, described annular iron block is barrel-like structure iron block, the annular iron block bottom
Portion centre position is provided with through hole, and magnet ring and washer are arranged in order and interfix in annular iron block inner bottom part, described magnet ring and China
Gap is remained between department's outer wall and annular iron block inwall；Described vibrating diaphragm moving component is by voice coil loudspeaker voice coil, vibrating diaphragm and plays wave component, institute
The voice coil loudspeaker voice coil stated is the coil being wrapped in gap, and described vibrating diaphragm is to be fixedly mounted at the opening of annular iron block, and is adjacent to
Film on voice coil loudspeaker voice coil, the film voice coil loudspeaker voice coil cutting magnet ring produce the magnetic line of force move when compressed air and send sound；Described
Play ripple and be arranged on vibrating diaphragm inner side, at the opening of annular iron block.
The purpose of the present invention can also be achieved through the following technical solutions：
Further, described bullet ripple is located at the outer rim of vibrating diaphragm, makes vibrating diaphragm that the ring of magnetic field components is fixed on by playing ripple
On shape iron block.
Further, the washer inner side is provided with an annular relief, and described bullet ripple inner side is fixed with annular relief,
Outside is fixed on voice coil loudspeaker voice coil；Described vibrating diaphragm is fixed on voice coil loudspeaker voice coil by outer rim.
Further, the opening of the annular iron block is more than annular iron block inner chamber, opening is formed horn-type structure.
Further, described voice coil loudspeaker voice coil circular wound is in gap.
Further, described vibrating diaphragm is the vibration film that cone material is made.
Further, described annular iron block, between magnet ring and washer mutually paste be fixed as one.
Further, the hole size of the annular iron block is corresponding with the endoporus size on magnet ring and washer, outside through hole
Side is provided with Air Filter, to prevent inner chamber from entering dust.
Further, described magnet ring is annular permanent magnet.
Further, described film is plane lamina.
The present invention has substantive distinguishing features following prominent and significant progress：
Can be drawn by said structure feature, the present invention is a kind of ground-breaking loudspeaker, the response of its low end frequency is capable of achieving
Zero frequency, so as to solve the problem of existing loudspeaker " LF-response is poor " all the time, low with distortion, sound is beautiful, and volume is few,
Simple structure, is audio industry once with revolutionary breakthrough the advantages of cheap.
Brief description of the drawings
Fig. 1 is the profile of the embodiment of the present invention 1.
Fig. 2 is the profile of the embodiment of the present invention 2.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment 1：
Vibrating diaphragm type zero frequency high tone quality loudspeaker shown in reference picture 1, is made up of magnetic field components 2 and vibrating diaphragm moving component 3,
The ducted body that described magnetic field components 2 are made up of annular iron block 21, magnet ring 22 and washer 23, described annular iron block 21 is bucket
Shape structure iron block, the bottom centre position of annular iron block 21 is provided with through hole 211, and magnet ring 22 and washer 23 are arranged in order and interfix
In the inner bottom part of annular iron block 21, gap 4 is remained between described magnet ring 22 and the outer wall of washer 23 and the annular inwall of iron block 21；Institute
The vibrating diaphragm moving component 3 stated is made up of voice coil loudspeaker voice coil 31, vibrating diaphragm 32 and bullet ripple 33, and described voice coil loudspeaker voice coil 31 is the line being wrapped in gap 4
Circle, described vibrating diaphragm 32 is adjacent to the film on voice coil loudspeaker voice coil 31 to be fixedly mounted at the opening 11 of annular iron block 21, the film
Voice coil loudspeaker voice coil 31 cutting magnet ring 22 produce the magnetic line of force move when compressed air and send sound；Described bullet ripple 33 is arranged on vibrating diaphragm
32 inner sides, at the opening 11 of annular iron block 21.
In embodiment, described bullet ripple 33 is located at the outer rim of vibrating diaphragm 32, vibrating diaphragm 32 is fixed on magnetic field by playing ripple 33
On the annular iron block 21 of part 2.The opening 11 of described annular iron block 21 is more than the annular inner chamber of iron block 21, opening 11 is formed loudspeaker
Type structure.Described annular iron block 21, mutually pasted between magnet ring 22 and washer 23 and be fixed as one.The annular iron block 21
The size of through hole 211 it is corresponding with the endoporus size on magnet ring 22 and washer 23, the outside of through hole 211 is provided with Air Filter 5, in case
Only inner chamber 24 enters dust.Described magnet ring 22 is annular permanent magnet.The described circular wound of voice coil loudspeaker voice coil 31 in gap 4, vibrating diaphragm
32 is the vibration film that vibrating diaphragm 32 is made for cone material, and the vibration film is plane lamina, and chip edge is by playing ripple
33 connect with annular iron block 21.
More specifically：
Magnetic field components of the invention 2 are pasted by magnet ring, annular iron block 21 and washer and formed, and with the inwall of annular iron block 21 it
Between formed and can be embedded in the circular magnetic gap of voice coil loudspeaker voice coil, i.e., above-mentioned gap 4.
Vibrating diaphragm moving component 3 of the invention is made up of circular voice coils with circular membrane, and vibrating diaphragm is covered with and is pasted onto voice coil loudspeaker voice coil
One end (as individual bottle cap) constitutes a movable vibrating diaphragm part, and the voice coil loudspeaker voice coil other end is then embedded in magnetic gap, and voice coil loudspeaker voice coil passes to electric current, then sound
Circle (i.e. vibrating diaphragm part) makees cutting magnetic line movement and sends sound by the vibrating diaphragm compressed air in part, its operation principle
Operation principle with microphone is just the same, and both differences are that the former is electrical power conversion, and the latter is power electricity conversion, but no matter
It is that same electromagnetic law is all obeyed in which kind of conversion, because the LF-response of microphone is up to zero frequency, therefore the low frequency of loudspeaker rings
Zero frequency should also be can reach.
Embodiment 2：
Shown in reference picture 2, technical characterstic of the invention is：The inner side of the washer 23 is provided with an annular relief 1, described
Play the inner side of ripple 33 to be fixed with annular relief 1, outside is fixed on voice coil loudspeaker voice coil 31；Described vibrating diaphragm 32 is fixed on voice coil loudspeaker voice coil by outer rim
On 31.Remaining ibid embodiment.
According to technical characterstic above, the present invention (lower referred to as " vibrating diaphragm type loudspeaker ") and existing " cone type loudspeaker "
Technical characterstic and structure are as follows to this：
First, both performances, feature are distinguished is：
1st, " cone type loudspeaker " is provided with cone, and " vibrating diaphragm type loudspeaker " is provided with vibrating diaphragm.
2nd, " cone type loudspeaker " be by cone by voice coil loudspeaker voice coil conversion of motion be sound, " vibrating diaphragm type loudspeaker " be rely on
Voice coil loudspeaker voice coil conversion of motion is sound by vibrating diaphragm.
3rd, because the cone outer of " cone type loudspeaker " need to be suspended on plate rail (speaker housings), thus cone area
It is restricted, is restricted the LF-response of " main frame type field boundary sound device ", and the vibrating diaphragm of " vibrating diaphragm type loudspeaker " is without hitch point,
Its motion is open, and freely, by voice coil loudspeaker voice coil control, therefore the LF-response of " vibrating diaphragm type loudspeaker " may extend to zero frequency.
4th, " cone type loudspeaker " cone size influence low frequency frequency response, and the size of the vibrating diaphragm of " vibrating diaphragm type loudspeaker " not shadow
Ring the frequency response of loudspeaker (including including low frequency).
5th, " cone type loudspeaker " voice coil loudspeaker voice coil is smaller, and acoustical power is unrelated with voice coil loudspeaker voice coil size and relevant with cone size." vibrating diaphragm type
Loudspeaker " voice coil loudspeaker voice coil is larger, and the more big then output acoustic power of voice coil loudspeaker voice coil (vibrating diaphragm part) is bigger.
6th, because " vibrating diaphragm type loudspeaker " eliminates cone, distortion that cone causes in " cone type loudspeaker " and other
The details of tonequality is influenceed also to be disappeared therewith in " vibrating diaphragm type loudspeaker ", thus " vibrating diaphragm type loudspeaker " distortion factor index and tonequality
It is more excellent than " cone type loudspeaker ".
2nd, the difference in both structures is：
1st, " cone type loudspeaker " voice coil loudspeaker voice coil is placed on the centre of loudspeaker, and the voice coil loudspeaker voice coil of " vibrating diaphragm type loudspeaker " is placed on magnetic
The outside of ring.
2nd, the two kinds of negative phase wave of loudspeaker (claiming positive phase wave before loudspeaker, negative phase wave is claimed afterwards) off-positions are different, " paper disc type
The off-position of loudspeaker " is outside voice coil loudspeaker voice coil, and the off-position of " vibrating diaphragm type loudspeaker " is then in the center of loudspeaker.
3rd, from terms of loudspeaker back, " cone type loudspeaker " center is closed, and " vibrating diaphragm type loudspeaker " is hollow.
(Vacancy is equipped with Air Filter)
4th, the T-shaped armature of " cone type loudspeaker ", its shape is " T-shaped " worthy of the name, and the T of " vibrating diaphragm type loudspeaker "
Oneself is not " T-shaped " (for unified and custom call, be still called T-shaped armature) but hollow c-type armature to type armature, is such as schemed
Barrel-like structure in 1, due to hollow, to prevent dust into voice coil loudspeaker voice coil and vibrating diaphragm but also to ensure that negative wave energy is smoothly discharged
Come, therefore hollow position is equipped with Air Filter.
Completely different by the above-mentioned design concept that can see two kinds of loudspeakers, structure is completely different, so that technical parameter
It is completely different.
Claims (10)
1. vibrating diaphragm type zero frequency high tone quality loudspeaker, it is characterized in that：It is made up of magnetic field components (2) and vibrating diaphragm moving component (3),
The ducted body that described magnetic field components (2) are made up of annular iron block (21), magnet ring (22) and washer (23), described ring
Shape iron block (21) is barrel-like structure iron block, and annular iron block (21) the bottom centre position is provided with through hole (211), magnet ring (22) and China
Department (23) is arranged in order and interfixes in annular iron block (21) inner bottom part, described magnet ring (22) and washer (23) outer wall with it is annular
Gap (4) is remained between iron block (21) inwall；
Described vibrating diaphragm moving component (3) is by voice coil loudspeaker voice coil (31), vibrating diaphragm (32) and plays ripple (33) and constitutes, and described voice coil loudspeaker voice coil (31) is to twine
The coil in gap (4) is wound on, described vibrating diaphragm (32) is adjacent to be fixedly mounted on opening (11) place of annular iron block (21)
Film on voice coil loudspeaker voice coil (31), the film voice coil loudspeaker voice coil (31) cut magnet ring (22) produce the magnetic line of force move when compressed air and send out
Go out sound；Described bullet ripple (33) is arranged on vibrating diaphragm (32) inner side, positioned at opening (11) place of annular iron block (21).
2. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：Described bullet ripple (33) is located at
At the outer rim of vibrating diaphragm (32), vibrating diaphragm (32) is set to be fixed on the annular iron block (21) of magnetic field components (2) by playing ripple (33).
3. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：Washer (23) inner side sets
There is an annular relief (1), described bullet ripple (33) inner side is fixed with annular relief (1), and outside is fixed on voice coil loudspeaker voice coil (31)；
Described vibrating diaphragm (32) is fixed on voice coil loudspeaker voice coil (31) by outer rim.
4. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：The annular iron block (21)
Opening (11) makes opening (11) form horn-type structure more than annular iron block (21) inner chamber.
5. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：Described voice coil loudspeaker voice coil (31) annular
It is wound in gap (4).
6. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：Described vibrating diaphragm (32) is paper
The vibration film that cone material is made.
7. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：Described annular iron block
(21), mutually pasted between magnet ring (22) and washer (23) and be fixed as one.
8. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：The annular iron block (21)
Through hole (211) size is corresponding with the endoporus size on magnet ring (22) and washer (23), and through hole (211) outside is provided with Air Filter
(5), preventing inner chamber (24) from entering dust.
9. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：Described magnet ring (22) is ring
Shape permanent magnet.
10. vibrating diaphragm type zero frequency high tone quality loudspeaker according to claim 1, it is characterized in that：Described film is plane
Thin slice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207314.2A CN106851505A (en) | 2017-03-31 | 2017-03-31 | Vibrating diaphragm type zero frequency high tone quality loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207314.2A CN106851505A (en) | 2017-03-31 | 2017-03-31 | Vibrating diaphragm type zero frequency high tone quality loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106851505A true CN106851505A (en) | 2017-06-13 |
Family
ID=59142050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710207314.2A Withdrawn CN106851505A (en) | 2017-03-31 | 2017-03-31 | Vibrating diaphragm type zero frequency high tone quality loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106851505A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275300A (en) * | 1998-07-21 | 2000-11-29 | Jbl公司 | Miniature full range loudspeaker |
| US20030076969A1 (en) * | 2001-10-24 | 2003-04-24 | Samsung Electro-Mechanics Co., Ltd. | Two-way speaker for mobile phones |
| CN2935687Y (en) * | 2006-07-07 | 2007-08-15 | 常州美欧电子有限公司 | Sandwich magnetic structure loudspeaker |
| US20140079258A1 (en) * | 2012-01-30 | 2014-03-20 | Panasonic Corporation | Loudspeaker, inner-ear headphone including loudspeaker, and hearing aid including loudspeaker |
| CN204539427U (en) * | 2015-04-20 | 2015-08-05 | 李永南 | Noise reduction horn |
| CN204810535U (en) * | 2015-05-13 | 2015-11-25 | 北京爱德发科技有限公司 | Loudspeaker unit |
| CN206923025U (en) * | 2017-03-31 | 2018-01-23 | 方炳钧 | Vibrating diaphragm type zero frequency high tone quality loudspeaker |
-
2017
- 2017-03-31 CN CN201710207314.2A patent/CN106851505A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275300A (en) * | 1998-07-21 | 2000-11-29 | Jbl公司 | Miniature full range loudspeaker |
| US20030076969A1 (en) * | 2001-10-24 | 2003-04-24 | Samsung Electro-Mechanics Co., Ltd. | Two-way speaker for mobile phones |
| CN2935687Y (en) * | 2006-07-07 | 2007-08-15 | 常州美欧电子有限公司 | Sandwich magnetic structure loudspeaker |
| US20140079258A1 (en) * | 2012-01-30 | 2014-03-20 | Panasonic Corporation | Loudspeaker, inner-ear headphone including loudspeaker, and hearing aid including loudspeaker |
| CN204539427U (en) * | 2015-04-20 | 2015-08-05 | 李永南 | Noise reduction horn |
| CN204810535U (en) * | 2015-05-13 | 2015-11-25 | 北京爱德发科技有限公司 | Loudspeaker unit |
| CN206923025U (en) * | 2017-03-31 | 2018-01-23 | 方炳钧 | Vibrating diaphragm type zero frequency high tone quality loudspeaker |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhong Jinfu Inventor after: Fang Bingjun Inventor before: Fang Bingjun |
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| CB03 | Change of inventor or designer information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170613 |
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| WW01 | Invention patent application withdrawn after publication |