CN107027085A - A kind of audio amplifier driver - Google Patents
A kind of audio amplifier driver Download PDFInfo
- Publication number
- CN107027085A CN107027085A CN201710458450.9A CN201710458450A CN107027085A CN 107027085 A CN107027085 A CN 107027085A CN 201710458450 A CN201710458450 A CN 201710458450A CN 107027085 A CN107027085 A CN 107027085A
- Authority
- CN
- China
- Prior art keywords
- pronunciation device
- voice coil
- audio amplifier
- circuit system
- magnetic circuit
- 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
- 230000005284 excitation Effects 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000005236 sound signal Effects 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)
- Circuit For Audible Band Transducer (AREA)
Abstract
A kind of audio amplifier driver, including：Magnetic circuit system, with gapped magnetic field, gapped magnetic field is used to provide voice coil loudspeaker voice coil placement position；First pronunciation device；Second pronunciation device, the first pronunciation device and the second pronunciation device are disposed opposite to each other in the both sides of magnetic circuit system, and the first pronunciation device and the second pronunciation device share magnetic circuit system；First pronunciation device and the second pronunciation device outwards transmit sound wave respectively under the excitation of magnetic circuit system.So that the audio amplifier driver being capable of two-way propagation sound wave, improvement audio amplifier sonic transmissions mode in the case where not increasing magnetic circuit system.
Description
Technical field
The present invention relates to technology for loudspeaker box field, and in particular to a kind of audio amplifier driver.
Background technology
Audio amplifier is a kind of equipment that audio signal is transformed into sound, is commonly applied to the indoor place such as home theater, audio amplifier
Speak with directive property, to seek raising tonequality, prevent audio distortions, allow listener to distinguish the sound from all around
Sound, is typically placed in indoor several corners by audio amplifier, speaks facing to center, so, and listener has a telepresenc, and true to nature,
Vividly, appeal is had more.It is more out of doors or large-scale and nowadays people have been not limited to interior for the use of audio amplifier
On square, because place is spacious, everywhere without limit, if now again by indoor specification arrangement audio amplifier, sound can not be covered entirely
, listener is not felt by effect when indoors completely, people also attempt in different azimuth by the accumulation of several audio amplifier levels,
Vertical pile formation sound wall, and increase audio amplifier power, however, when place is excessive, being received positioned at the region of audio amplifier farther out
Sound wave tonequality reduction, have impact on Consumer's Experience.In the prior art, generally also multiple sounds can be oppositely arranged in the both sides in place
Case, however, the mode of this counterpropagate sound wave, easily causes the interference of sound wave each other, makes the directive property of sound and covers
Capping is all affected, and causes tonequality to reduce, and have impact on Consumer's Experience.
Therefore, audio amplifier sonic transmissions mode how is improved as technical problem urgently to be resolved hurrily.
The content of the invention
The technical problem to be solved in the present invention is how to improve audio amplifier sonic transmissions mode.
Therefore, according in a first aspect, the embodiment of the invention discloses a kind of audio amplifier driver, including：
Magnetic circuit system, with gapped magnetic field, gapped magnetic field is used to provide voice coil loudspeaker voice coil placement position；First pronunciation device；Second pronunciation dress
Put, the first pronunciation device and the second pronunciation device are disposed opposite to each other in the both sides of magnetic circuit system, the first pronunciation device and the second pronunciation
Device shares magnetic circuit system；First pronunciation device and the second pronunciation device distinguish outside transmission sound under the excitation of magnetic circuit system
Ripple.
Alternatively, the first pronunciation device and the second pronunciation device mirror image are arranged on the both sides of magnetic circuit system.
Alternatively, the first pronunciation device includes：First voice coil loudspeaker voice coil, forward direction is wound on one end of gapped magnetic field；Second pronunciation dress
Put including：Second voice coil loudspeaker voice coil, the oppositely wound other end in gapped magnetic field.
Alternatively, the first pronunciation device includes：First speech coil framework；First vibrating membrane, the first vibrating membrane is connected to
On first voice coil loudspeaker voice coil and the first speech coil framework；
Second pronunciation device includes：Second speech coil framework；Second vibrating membrane, the second vibrating membrane is connected to the second voice coil loudspeaker voice coil and
On two speech coil frameworks.
Alternatively, the first vibrating membrane is annular concavity；Second vibrating membrane is annular concavity.
Alternatively, the first vibrating membrane is tabular and/or the second vibrating membrane is tabular.
Technical solution of the present invention, has the following advantages that：
Audio amplifier driver provided in an embodiment of the present invention, due to being disposed opposite to each other the first pronunciation device and in the both sides of magnetic circuit system
Two pronunciation devices, and the first pronunciation device and the second pronunciation device share magnetic circuit system so that under the excitation of magnetic circuit system,
First pronunciation device and the second pronunciation device opposite respectively can outwards transmit sound wave so that the audio amplifier driver is not increasing magnetic
Being capable of two-way propagation sound wave, improvement audio amplifier sonic transmissions mode in the case of the system of road.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of audio amplifier activation configuration schematic diagram in the present embodiment；
Fig. 2 is another audio amplifier activation configuration schematic diagram in the present embodiment.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be with
It is the connection of two element internals, can is wireless connection or wired connection.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can just be combined with each other into conflict.
In order to improve audio amplifier sonic transmissions mode, present embodiment discloses a kind of audio amplifier driver, Fig. 1 is refer to, for this
Audio amplifier activation configuration schematic diagram, the audio amplifier driver includes：Magnetic circuit system 1, the first pronunciation device 2 and the second pronunciation device 3,
Wherein：
Magnetic circuit system 1 has gapped magnetic field, and gapped magnetic field is used to provide voice coil loudspeaker voice coil placement position.In a particular embodiment, magnetic circuit system 1
It can be realized by T iron, magnet, for example, magnetic circuit system includes T iron, magnet and washer, magnet is on T iron, and washer is set
In magnet on, form gapped magnetic field between T iron and washer, voice coil loudspeaker voice coil is located in magnetic gap.
First pronunciation device 2 and the second pronunciation device 3 are disposed opposite to each other in the both sides of magnetic circuit system 1, the present embodiment, and first
The pronunciation device 3 of pronunciation device 2 and second shares magnetic circuit system 1.In a particular embodiment, the first pronunciation device 2 and the second pronunciation
Device 3 outwards transmits sound wave respectively under the excitation of magnetic circuit system 1, it is achieved thereby that two-way propagation sound wave.
In an alternate embodiment of the invention, the first pronunciation device 2 and the mirror image of the second pronunciation device 3 are arranged on the two of magnetic circuit system 1
Side.
In an alternate embodiment of the invention, the first pronunciation device 2 includes：First voice coil loudspeaker voice coil 21, the forward direction of the first voice coil loudspeaker voice coil 21 is wound on magnetic
The one end in field gap；Second pronunciation device includes：Second voice coil loudspeaker voice coil 31, the second voice coil loudspeaker voice coil 31 is oppositely wound in the another of gapped magnetic field
End.So as to so that the first voice coil loudspeaker voice coil 21 and the second voice coil loudspeaker voice coil 31 can be respectively that respective pronunciation device uninterruptedly works.
In an alternate embodiment of the invention, the first pronunciation device 2 includes：First speech coil framework 22；First vibrating membrane 23, first shakes
Dynamic film 23 is connected on the first voice coil loudspeaker voice coil 21 and the first speech coil framework 22；Second pronunciation device 3 includes：Second speech coil framework
32；Second vibrating membrane 33, the second vibrating membrane 33 is connected on the second voice coil loudspeaker voice coil 31 and the second speech coil framework 32.
In an alternate embodiment of the invention, the first vibrating membrane 23 is annular concavity；Second vibrating membrane 33 is annular concavity.
In an alternate embodiment of the invention, it refer to Fig. 2, the first vibrating membrane 23 is tabular and/or the second vibrating membrane 33 is flat
Tabular.Relative to annular concave vibrating membrane, flat vibrating membrane can reduce the volume of audio amplifier driver.
The audio amplifier driver that the present embodiment is provided, due to being disposed opposite to each other the first pronunciation device and the in the both sides of magnetic circuit system
Two pronunciation devices, and the first pronunciation device and the second pronunciation device share magnetic circuit system so that under the excitation of magnetic circuit system,
First pronunciation device and the second pronunciation device opposite respectively can outwards transmit sound wave so that the audio amplifier driver is not increasing magnetic
Being capable of two-way propagation sound wave, improvement audio amplifier sonic transmissions mode in the case of the system of road.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (6)
1. a kind of audio amplifier driver, it is characterised in that including：
Magnetic circuit system, with gapped magnetic field, the gapped magnetic field is used to provide voice coil loudspeaker voice coil placement position；
First pronunciation device；
Second pronunciation device, first pronunciation device and second pronunciation device are disposed opposite to each other the two of the magnetic circuit system
Side, first pronunciation device and second pronunciation device share the magnetic circuit system；
First pronunciation device and second pronunciation device outwards transmit sound wave respectively under the excitation of the magnetic circuit system.
2. audio amplifier driver as claimed in claim 1, it is characterised in that first pronunciation device and the second pronunciation dress
Put the both sides that mirror image is arranged on the magnetic circuit system.
3. audio amplifier driver as claimed in claim 1 or 2, it is characterised in that
First pronunciation device includes：First voice coil loudspeaker voice coil, forward direction is wound on one end of the gapped magnetic field；
Second pronunciation device includes：Second voice coil loudspeaker voice coil, the oppositely wound other end in the gapped magnetic field.
4. audio amplifier driver as claimed in claim 3, it is characterised in that
First pronunciation device includes：
First speech coil framework；
First vibrating membrane, first vibrating membrane is connected on first voice coil loudspeaker voice coil and first speech coil framework；
Second pronunciation device includes：
Second speech coil framework；
Second vibrating membrane, second vibrating membrane is connected on second voice coil loudspeaker voice coil and second speech coil framework.
5. audio amplifier driver as claimed in claim 4, it is characterised in that first vibrating membrane is annular concavity；Described
Two vibrating membranes are annular concavity.
6. audio amplifier driver as claimed in claim 4, it is characterised in that first vibrating membrane is tabular and/or described
Second vibrating membrane is tabular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458450.9A CN107027085A (en) | 2017-06-16 | 2017-06-16 | A kind of audio amplifier driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458450.9A CN107027085A (en) | 2017-06-16 | 2017-06-16 | A kind of audio amplifier driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107027085A true CN107027085A (en) | 2017-08-08 |
Family
ID=59531544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710458450.9A Pending CN107027085A (en) | 2017-06-16 | 2017-06-16 | A kind of audio amplifier driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107027085A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060233403A1 (en) * | 2005-04-18 | 2006-10-19 | Yamaha Corporation | Multi speaker unit and audio reproduction apparatus |
| CN101180916A (en) * | 2005-02-25 | 2008-05-14 | 诺基亚公司 | Audio transducer component |
| WO2010007440A2 (en) * | 2008-07-17 | 2010-01-21 | Strong Pacific (Hong Kong) Limited | Earphone |
| CN204069324U (en) * | 2014-07-18 | 2014-12-31 | 瑞声光电科技(常州)有限公司 | Acoustical generator |
| CN105142080A (en) * | 2015-09-23 | 2015-12-09 | 宁波东源音响器材有限公司 | Suspension type loudspeaker producing sound on two sides |
| CN106851457A (en) * | 2017-03-01 | 2017-06-13 | 歌尔科技有限公司 | Loudspeaker and PlayGear Stealth |
| CN207070327U (en) * | 2017-06-16 | 2018-03-02 | 深圳市一禾音视频科技有限公司 | A kind of audio amplifier driver |
-
2017
- 2017-06-16 CN CN201710458450.9A patent/CN107027085A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180916A (en) * | 2005-02-25 | 2008-05-14 | 诺基亚公司 | Audio transducer component |
| US20060233403A1 (en) * | 2005-04-18 | 2006-10-19 | Yamaha Corporation | Multi speaker unit and audio reproduction apparatus |
| WO2010007440A2 (en) * | 2008-07-17 | 2010-01-21 | Strong Pacific (Hong Kong) Limited | Earphone |
| CN204069324U (en) * | 2014-07-18 | 2014-12-31 | 瑞声光电科技(常州)有限公司 | Acoustical generator |
| CN105142080A (en) * | 2015-09-23 | 2015-12-09 | 宁波东源音响器材有限公司 | Suspension type loudspeaker producing sound on two sides |
| CN106851457A (en) * | 2017-03-01 | 2017-06-13 | 歌尔科技有限公司 | Loudspeaker and PlayGear Stealth |
| CN207070327U (en) * | 2017-06-16 | 2018-03-02 | 深圳市一禾音视频科技有限公司 | A kind of audio amplifier driver |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170808 |