CN108307274A - Active loudspeaker - Google Patents
Active loudspeaker Download PDFInfo
- Publication number
- CN108307274A CN108307274A CN201710028328.8A CN201710028328A CN108307274A CN 108307274 A CN108307274 A CN 108307274A CN 201710028328 A CN201710028328 A CN 201710028328A CN 108307274 A CN108307274 A CN 108307274A
- Authority
- CN
- China
- Prior art keywords
- aluminum frame
- sound
- aluminium
- aluminium set
- active 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.)
- Pending
Links
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
Abstract
The invention discloses a kind of active loudspeakers, including：I-shaped T iron；It is pasted onto the aluminium set one on T iron top；It is covered in the sound-absorbing part on one top of aluminium set；Aluminium set two, the aluminium set three being socketed in successively outside T iron；The voice coil being bonded in outside aluminium set one and aluminium set two；It is connected with T iron, the magnet of aluminium set three-phase adhesion；It is covered in the magnetic conduction upper plate on three top of magnet and aluminium set；Cover on the aluminum frame that outside aluminium set one and sound-absorbing part and bottom end is connected with magnetic conduction upper plate；It is set to the warehouse of aluminum frame lateral surface, warehouse is internally provided with power amplifier；It is set to aluminum frame inside bottom and the both ends locating branch slice Nian Jie with aluminum frame, sound-absorbing part respectively；One end connected, other end connected vibrating diaphragm Nian Jie with aluminum frame Nian Jie with locating branch slice；Cover on dust cap on sound-absorbing part and Nian Jie with vibrating diaphragm；It is set to the EVA flanging on aluminum frame top.Active loudspeaker provided by the invention, it is not only compact-sized, and also matching degree and sound effect are good.
Description
Technical field
The present invention relates to sound technique field, more particularly to a kind of active loudspeaker.
Background technology
Loud speaker is a kind of energy transducer electric signal being changed into acoustical signal, and audio electric energy passes through electromagnetism, piezoelectricity or quiet
Electrical effect makes its cone or diaphragm vibration and generates resonance (sympathetic response) with the air of surrounding and make a sound.The performance of loud speaker
Influence of the quality to sound quality is very big.Loud speaker is a most weak device in stereo set, and for acoustics,
It is a most important component again.
Currently, in the acoustic system, loud speaker and power amplifier are two independent units, the output of power amplifier
It is connected by conducting wire, loss, distortion can be caused in this way, cause sound effect poor, and since power amplifier and loud speaker are mutual
Independent, matching effect is poor.
Therefore, how to improve the sound effect of loud speaker and matching effect is asking for those skilled in the art's urgent need to resolve
Topic.
Invention content
In view of this, the present invention provides a kind of active loudspeaker, it is not only compact-sized, and sound effect and matching are imitated
Fruit is good.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of active loudspeaker, including：I-shaped T iron；It is pasted onto the aluminium set one on the T iron top；It is covered in described
The sound-absorbing part on one top of aluminium set；Aluminium set two, the aluminium set three being socketed in successively outside the T iron；It is bonded in the aluminium set one and institute
State the voice coil outside aluminium set two；The magnet that bottom surface is connected with the T iron, side is connected with the aluminium set three；It is covered in the magnetic
The magnetic conduction upper plate on three top of body and the aluminium set；It covers on outside the aluminium set one and the sound-absorbing part and bottom end is led with described
The connected aluminum frame of magnetic upper plate；It is symmetrically disposed on the power amplifier of aluminum frame both sides；It is set to the aluminum basin
Frame inside bottom and the both ends locating branch slice Nian Jie with the aluminum frame, the sound-absorbing part respectively；One end and the positioning
Branch piece bonding is connected, the other end connected vibrating diaphragm Nian Jie with the aluminum frame；Cover on the sound-absorbing part and with the vibrating diaphragm
The dust cap of bonding；It is set to the EVA flanging on aluminum frame top.
Optionally, the power amplifier is connected by conducting wire with the active loudspeaker.
Optionally, the power amplifier includes but not limited to D-type power amplifier.
Optionally, the sound-absorbing part includes but not limited to sound-absorbing sponge column.
Optionally, the magnet and the T iron, the aluminium set three are Nian Jie connected.
Optionally, the magnetic conduction upper plate and the magnet, the aluminium set three are Nian Jie connected.
Optionally, the aluminum frame is adhered to the top of the magnetic conduction upper plate.
Optionally, the magnet includes：Ndfeb magnet.
Optionally, the power amplifier with the warehouse of the aluminum frame integrally connected by being set to the aluminum basin
Frame both sides, wherein the warehouse is provided with warehouse lid.
Optionally, the warehouse includes annular warehouse.
It can be seen via above technical scheme that compared with prior art, active loudspeaker provided by the invention puts power
At a unit, the integrated design is not only compact-sized, can make power amplifier and raise one's voice for big device and speaker combination
Device reaches best matching, additionally it is possible to reduce the line loss between power amplifier and loud speaker；Moreover, passing through the integration
Loud speaker is included in the closed control circuit of power amplifier by design, is effectively reduced the distortion of loud speaker, is greatly improved and raise
The clarity of sound device sound and fidelity, especially suitable for the automobile audio of low voltage power supply, market prospects are huge.
In addition, the holder and radiator of done work using aluminum frame rate amplifier and loud speaker, effectively reduce space
It occupies.
Therefore, active loudspeaker provided by the invention is not only compact-sized, but also the matching of loud speaker and power amplifier
It spends, sound effect is good.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawings are active loudspeaker structural schematic diagram provided by the invention；
Fig. 2 attached drawings are the frame diagram of the active loudspeaker of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of active loudspeakers, and loud speaker and power amplifier are combined into a unit,
Integrated design is so that power amplifier and loud speaker reach best match, and the integrated design can reduce loud speaker
Distortion；In addition, can radiate to entire loud speaker using aluminum frame, and reduce the occupancy in space.
Referring to attached Fig. 1 and 2, attached drawing 1 is the structural schematic diagram of active loudspeaker provided by the invention, and attached drawing 2 is the present invention
The frame diagram of the active loudspeaker of offer.
The present invention provides a kind of active loudspeaker, specifically includes：I-shaped T iron 1；It is pasted onto the aluminium set one on 1 top of T iron
2；It is covered in the sound-absorbing part 3 on one 2 top of aluminium set；Aluminium set 24, the aluminium set 35 being socketed in successively outside T iron 2；It is bonded in aluminium set one
2 and aluminium set 24 outside voice coil 6；The magnet 7 that bottom surface is connected with T iron 1, side is connected with aluminium set 35；It is covered in magnet 7 and aluminium
Cover the magnetic conduction upper plate 8 on 35 tops；Cover on the aluminum basin that outside aluminium set 1 and sound-absorbing part 3 and bottom end is connected with magnetic conduction upper plate 8
Frame 9；It is symmetrically disposed on the power amplifier 11 of 9 both sides of aluminum frame；It is set to 9 inside bottom of aluminum frame and both ends point
The not locating branch slice 12 Nian Jie with aluminum frame 9, sound-absorbing part 3；One end connected, other end Nian Jie with locating branch slice 12 and aluminum basin
The connected vibrating diaphragm 13 of the bonding of frame 9；Cover on dust cap 14 on sound-absorbing part 3 and Nian Jie with vibrating diaphragm 13；It is set to the top of aluminum frame 9
The EVA flanging 15 at end.
Wherein, it needs to illustrate, T iron is also electrician's iron, its quality is pure iron.It is that voice unit (VU) is constituted
A building block.In voice unit (VU), the main function of T iron is to form magnetic loop with magnetic conduction upper plate, magnet so that is powered
Voice coil in magnetic gap cutting magnetic line, drive the diaphragm oscillations of adhesion and generate sound.
By power amplifier and speaker combination at a unit, this is integrated to set active loudspeaker provided by the invention
Meter can not only make power amplifier and loud speaker reach best matching, additionally it is possible to reduce between power amplifier and loud speaker
Line loss；Moreover, loud speaker is included in the closed control circuit of power amplifier by the integrated design, effectively subtract
The distortion of small loud speaker greatly improves clarity and the fidelity of loudspeaker sound；In addition, being put using aluminum frame power
The holder and radiator of big device and loud speaker, not only effectively reduce the occupancy in space, and also reduce whole weight and
Cost.
Active loudspeaker provided by the invention can directly replace the passive speaker of existing speaker equal-wattage and size,
Sound quality is set to be improved；In addition, the finished product of 0.1W to 500W can be made based on active loudspeaker provided by the invention, due to contracting
The length of short conducting wire between loud speaker and power amplifier, then reduce the loss on conducting wire, improve low electricity accordingly
The power of loud speaker, is particularly suitable for the field of vehicle speaker and the storage battery power supply of grassland frontier defense photovoltaic and wind-power electricity generation when pressure power supply
Institute, wide market.
In actual use, active loudspeaker can be worked plus power supply and audio signal.Power supply can be
AC power can also be DC power supply；Single supply power supply may be used, dual power supply can also be used.Audio signal can
Can also be digital audio and video signals to be analog audio signal.Wherein, single supply power supply, bridge-type may be used in power amplifier
Without outputting inductance scheme.In addition, in the specific use process, the position of frequency divider and filter is reserved in the position of power amplifier
It sets, which can be set as to active band logical loud speaker；A low pass active loudspeaker and a height can be utilized
Logical active loudspeaker forms two divided-frequency system；A low pass active loudspeaker can also be utilized, lead to active loudspeaker in one and
One high pass active loudspeaker forms three frequency division system.
In addition, EVA products of rubber and plastic are novel environment friendly plastics expanded materials, have good buffering, antidetonation, it is heat-insulated, moisture-proof,
The advantages that resist chemical, and it is nontoxic, do not absorb water.Therefore, EVA flanging is arranged in the top edge of aluminum frame can be to raising one's voice
The component of device is protected.
In order to advanced optimize above-mentioned technical proposal, power amplifier 11 is connected by conducting wire with active loudspeaker.
Since power amplifier and T iron are formed a unit, power amplification can be greatly reduced after being connected by conducting wire
The length of conducting wire between device and T iron reduces line loss, and the power of loud speaker, also improves when improving low voltage power supply
The clarity of sound and fidelity.
In order to advanced optimize above-mentioned technical proposal, power amplifier 11 includes but not limited to D-type power amplifier.
D-type power amplifier can be amplified audio signal, and have higher energy conversion efficiency.Therefore, exist
It is better using D-type power amplifier in the present invention.
But other kinds of power amplifier is should be noted, such as A power-like amplifiers or B class power amplifications
Device.
In order to advanced optimize above-mentioned technical proposal, sound-absorbing part 3 includes but not limited to sound-absorbing sponge column.
In order to advanced optimize above-mentioned technical proposal, magnet 7 and T iron 1, aluminium set 35 are Nian Jie connected.
In order to advanced optimize above-mentioned technical proposal, magnetic conduction upper plate 8 and magnet 7, aluminium set 35 are Nian Jie connected.
In order to advanced optimize above-mentioned technical proposal, aluminum frame 9 is adhered to the top of magnetic conduction upper plate 8.
In order to advanced optimize above-mentioned technical proposal, magnet 7 includes：Neodymium iron boron magnetic body.
Wherein, neodymium iron boron is one kind of magnet, has excellent magnetism, is referred to as " magnetic king ".It is provided by the invention active
Neodymium iron boron magnetic body is used in loud speaker so that loudspeaker sound effect is more preferable.
In order to advanced optimize above-mentioned technical proposal, power amplifier 11 passes through the warehouse with 9 integrally connected of aluminum frame
10 are set to 9 both sides of aluminum frame, and middle warehouse 10 is provided with warehouse lid 101.
In the concrete realization, power amplifier can be accommodated by warehouse, warehouse can not also be used, directly by power
Amplifier is fixed on the both sides of aluminum frame.
In order to advanced optimize above-mentioned technical proposal, warehouse 10 includes annular warehouse.
Annular warehouse is arranged in the periphery of aluminum frame, can not only accommodate power amplifier, can also accommodate other dresses
It sets, such as：Frequency divider and filter.
In conjunction with attached drawing 1, warehouse is can further to protect power with aluminum frame integrally connected, the design of warehouse lid 101
Amplifier.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of active loudspeaker, which is characterized in that including：I-shaped T iron (1)；It is pasted onto the aluminium on the T iron (1) top
Cover one (2)；It is covered in the sound-absorbing part (3) on the aluminium set one (2) top；It is socketed in the external aluminium set two of the T iron (2) successively
(4), aluminium set three (5)；It is bonded in the voice coil (6) of the aluminium set one (2) and the aluminium set two (4) outside；Bottom surface and the T iron
(1) phase adhesion, side and the aluminium set three (5) phase adhesion magnet (7)；It is covered in the magnet (7) and the aluminium set three (5)
The magnetic conduction upper plate (8) on top；Cover on the external aluminium set one (2) and the sound-absorbing part (3) and bottom end and the magnetic conduction upper plate
(8) the aluminum frame (9) of phase adhesion；It is symmetrically disposed on the power amplifier (11) of aluminum frame (9) both sides；It is set to institute
State aluminum frame (9) inside bottom and the both ends positioning branch Nian Jie with the aluminum frame (9), the sound-absorbing part (3) respectively
Piece (12)；One end connected, other end connected vibrating diaphragm Nian Jie with aluminum frame (9) Nian Jie with the locating branch slice (12)
(13)；Cover on dust cap (14) on the sound-absorbing part (3) and Nian Jie with the vibrating diaphragm (13)；It is set to the aluminum frame
(9) the EVA flanging (15) on top.
2. active loudspeaker according to claim 1, which is characterized in that the power amplifier (11) passes through conducting wire and institute
Active loudspeaker is stated to be connected.
3. active loudspeaker according to claim 1, which is characterized in that the power amplifier (11) is including but not limited to
D-type power amplifier.
4. active loudspeaker according to claim 1, which is characterized in that the sound-absorbing part (3) includes but not limited to sound-absorbing
Sponge column.
5. active loudspeaker according to claim 1, which is characterized in that the magnet (7) and the T iron (1), the aluminium
Three (5) bonding is covered to be connected.
6. active loudspeaker according to claim 1, which is characterized in that the magnetic conduction upper plate (8) and the magnet (7),
The aluminium set three (5) bonding is connected.
7. active loudspeaker according to claim 1, which is characterized in that the aluminum frame (9) is adhered to the magnetic conduction
The top of upper plate (8).
8. active loudspeaker according to claim 1, which is characterized in that the magnet (7) includes：Ndfeb magnet.
9. active loudspeaker according to claim 1, which is characterized in that the power amplifier (11) by with the aluminium
The warehouse (10) of frame (9) integrally connected processed is set to aluminum frame (9) both sides, wherein the warehouse (10) is provided with storehouse
It covers (101).
10. active loudspeaker according to claim 9, which is characterized in that the warehouse (10) includes annular warehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028328.8A CN108307274A (en) | 2017-01-13 | 2017-01-13 | Active loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028328.8A CN108307274A (en) | 2017-01-13 | 2017-01-13 | Active loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108307274A true CN108307274A (en) | 2018-07-20 |
Family
ID=62872132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710028328.8A Pending CN108307274A (en) | 2017-01-13 | 2017-01-13 | Active loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108307274A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2824488Y (en) * | 2005-05-11 | 2006-10-04 | 何毕军 | Integrated apparatus of power amplifier and loudspeaker |
| CN204795546U (en) * | 2015-07-08 | 2015-11-18 | 深圳市宝业恒实业发展有限公司 | High -power high definition woofer |
| WO2016083970A1 (en) * | 2014-11-28 | 2016-06-02 | Goldmund International Sam | Versatile electroacoustic diffuser-absorber |
-
2017
- 2017-01-13 CN CN201710028328.8A patent/CN108307274A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2824488Y (en) * | 2005-05-11 | 2006-10-04 | 何毕军 | Integrated apparatus of power amplifier and loudspeaker |
| WO2016083970A1 (en) * | 2014-11-28 | 2016-06-02 | Goldmund International Sam | Versatile electroacoustic diffuser-absorber |
| CN204795546U (en) * | 2015-07-08 | 2015-11-18 | 深圳市宝业恒实业发展有限公司 | High -power high definition woofer |
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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: 20180720 |