CN106489272A - A kind of external magnetic type ultrathin loudspeaker and audio devices - Google Patents
A kind of external magnetic type ultrathin loudspeaker and audio devices Download PDFInfo
- Publication number
- CN106489272A CN106489272A CN201580002669.7A CN201580002669A CN106489272A CN 106489272 A CN106489272 A CN 106489272A CN 201580002669 A CN201580002669 A CN 201580002669A CN 106489272 A CN106489272 A CN 106489272A
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- China
- Prior art keywords
- voice coil
- magnet
- loudspeaker
- external magnetic
- magnetic type
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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
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 external magnetic type ultrathin loudspeaker and audio devices.The external magnetic type ultrathin loudspeaker includes：Magnetic structure, including：T-shaped iron (1), stacking are sleeved on the magnet (2) of the upper vertical portion of T-shaped iron (1) and washer (3), and magnet (2) is contacted with the horizontal component of T-shaped iron (1)；Radiation vibrational structure, including：The bullet ripple (4) being arranged on washer (3), and the radiation vibrating diaphragm (6) put relative with ripple (4) is played, also include voice coil loudspeaker voice coil (5), voice coil loudspeaker voice coil (5) one end is arranged on the voice coil loudspeaker voice coil of the center in the hole for playing ripple (4), and the other end is fixedly connected with radiation vibrating diaphragm (6).The invention has the beneficial effects as follows：Using radiation diaphragm structure, using flat board as sounding body, coil is propagated as motive force, radiative acoustic wave omnidirectional mode, covers sound field wider, is easy to television set to install, is allowed people hear more preferably sound in different angles；LF-response can be accomplished lower than similar loudspeaker, make people listen to low frequency more plentiful；While slim body, small volume, space hold are little, and suitable application area is broader；Product holistic cost is low.
Description
Technical field
The present invention relates to the technical field of electric product, more particularly to a kind of external magnetic type ultrathin loudspeaker and audio frequency dress
Put.
Background technology
As television set electronic section is integrated, occupying television set space can be less and less, and television product is increasingly
Ultrathin, and people require that to sound timbre section is not improved, so TV loudspeaker requires that size is little, thickness will
Thin, LF-response is low, and ultra-wide directive property, price are low.
Most of using taper cone loudspeaker in the market, this vibrational structure advantage is to be simple to manufacture, low cost
Honest and clean.Have the disadvantage easily to produce modal resonance, distortion is big, and directive property is narrow, and product size itself is kept within bounds, oscillation space is big, no
Method is thinned, and largely limits the thickness of television set；Or the internal magnetization design using small volume, should
Mode advantage is to accomplish thinner, lighter than common outer-magnet speaker, has the disadvantage to need the magnet for using neodymium iron boron, material
Cost intensive.
Content of the invention
The invention aims to overcoming the deficiencies in the prior art, there is provided a kind of external magnetic type ultrathin loudspeaker.
The present invention is realized by above technical scheme：
The invention provides a kind of external magnetic type ultrathin loudspeaker, the external magnetic type ultrathin loudspeaker includes：
Magnetic structure, including：T-shaped iron, is sleeved on magnet and the washer of the upper vertical portion of the T-shaped iron, and the magnetic
Iron is contacted with the horizontal component of the T-shaped iron, and one side of the washer with the magnet away from the horizontal component is contacted；
Radiation vibrational structure, including：The bullet ripple of the one side being arranged on the washer away from the magnet, with the bullet ripple
The radiation vibrating diaphragm that puts relatively, also includes voice coil loudspeaker voice coil, and described voice coil loudspeaker voice coil one end is arranged on the voice coil loudspeaker voice coil of the center in the hole for playing ripple, another
End is fixedly connected with the radiation vibrating diaphragm.
Preferably, also include supporting construction, including support, the bullet ripple is fixed on the bottom of the support, and the spoke
Penetrate the top that vibrating diaphragm is fixed on the support.
Preferably, the lateral wall of the support is connected with terminal board, and the terminal being connected with the voice coil loudspeaker voice coil is fixed on the end
Daughter board.
Preferably, the vertical portion of the T-shaped iron is provided with convex shoulder structure with the junction of the horizontal component, the magnetic
Iron is sleeved on the convex shoulder.
Preferably, the diameter of the centre bore of the washer is less than the diameter of the centre bore of the magnet, and the washer
The diameter of centre bore is all higher than the diameter of the T-shaped iron vertical portion with the diameter of the centre bore of the magnet.
Preferably, the horizontal component has the conical socket coaxial with the vertical portion.
Present invention also offers a kind of audio devices, the audio devices include that the external magnetic type described in any of the above-described is ultra-thin and raise
Sound device.
The invention has the beneficial effects as follows：Using radiation diaphragm structure, using flat board as sounding body, coil as motive force,
Radiative acoustic wave omnidirectional mode is propagated, and covers sound field wider, is easy to television set to install, is allowed people to hear more in different angles
Preferable sound；
LF-response can be accomplished lower than similar loudspeaker, make people listen to low frequency more plentiful；
While slim body, small volume, space hold are little, and suitable application area is broader；
Not only the cost of material is low, and manufacturing process is simple, low so as to product holistic cost.
Description of the drawings
Fig. 1 is the structural representation of external magnetic type ultrathin loudspeaker provided in an embodiment of the present invention；
Fig. 2 is the structural representation of magnetic structure provided in an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
Refer to Fig. 1 and Fig. 2, Fig. 1 be the external magnetic type ultrathin loudspeaker that the present invention is provided structural representation, Fig. 2 is this
The structural representation of the magnetic structure that inventive embodiments are provided.
A kind of external magnetic type ultrathin loudspeaker is embodiments provided, the external magnetic type ultrathin loudspeaker includes：
Magnetic structure, including：T-shaped iron 1, is sleeved on magnet 2 and the washer 3 of the upper vertical portion of the T-shaped iron 1, and institute
The horizontal component for magnet 2 being stated with the T-shaped iron 1 is contacted, and the washer 3 and the magnet 2 are away from the one side of the horizontal component
Contact；
Radiation vibrational structure, including：The bullet ripple 4 of the one side being arranged on the washer 3 away from the magnet 2, and described
The radiation vibrating diaphragm 6 that ripple 4 is put relatively is played, also includes voice coil loudspeaker voice coil 5,5 one end of the voice coil loudspeaker voice coil is arranged on the center in the hole for playing ripple 4
Voice coil loudspeaker voice coil 5, the other end are fixedly connected with the radiation vibrating diaphragm 6.
Understanding to external magnetic type ultrathin loudspeaker provided in an embodiment of the present invention, is carried out to its structure below in detail for convenience
Thin explanation.
External magnetic type ultrathin loudspeaker, is mainly made up of magnetic structure, radiation vibrational structure and supporting construction.
As shown in Fig. 2 which is made up of T-shaped iron 1, magnet 2, washer 3, wherein, T-shaped iron 1 is in 2 evidence of magnet for magnetic structure
Have in the space of fixed magnetic field, allow the voice coil loudspeaker voice coil 5 can be in the magnetic field that more concentrates；Magnet 2 provides fixed magnetic field, makes to flow through voice coil loudspeaker voice coil 5
Electric current and magnet 2 produce active force according to the magnetic field intercepts magnetic line of force having；Washer 3 in magnet 2 according to having in the space of fixed magnetic field,
Allow voice coil loudspeaker voice coil 5 in the magnetic field that more concentrates, and bigger active force can be produced.In concrete setting, washer 3 and magnet 2 are tool
Have the loop configuration of centre bore, on T-shaped iron 1 horizontal component have the conical socket coaxial with vertical portion, T-shaped iron 1 vertical
Part is provided with convex shoulder structure with the junction of horizontal component, and in assembling, magnet 2 is sleeved on convex shoulder.The centre bore of washer 3
Diameter less than the centre bore of magnet 2 diameter, and the diameter of the centre bore of washer 3 is all big with the diameter of the centre bore of magnet 2
Diameter in 1 vertical portion of T-shaped iron.With continued reference to as can be seen that the race diameter of washer 3 is less than the race diameter of magnet 2.?
During use, the voice coil loudspeaker voice coil 5 in the intrinsic magnetic field intercepts radiation vibrational structure of magnetic structure is cut by the current induced magnetic field of input
The line of force, is allowed to 5 up-down vibration of voice coil loudspeaker voice coil, and radiation vibrating diaphragm 6 is by 5 up-down vibration of voice coil loudspeaker voice coil to air medium radiative acoustic wave.
Radiation vibrational structure, refers to Fig. 1 in the lump, and which is constituted by vibrating diaphragm 6, bullet ripple 4 and voice coil loudspeaker voice coil 5 is radiated, and wherein, playing ripple 4 is
Loop configuration, its have centre bore, and voice coil loudspeaker voice coil 5 is bonded in the hole in bullet ripple 4, voice coil loudspeaker voice coil 5 can be fixed holding when being allowed to up-down vibration
The center of radiation vibrating diaphragm 6 is bonded in magnetic circuit gap center, voice coil loudspeaker voice coil 5, is allowed to up-down vibration when magnetic field intercepts voice coil loudspeaker voice coil 5 produces active force
When drive radiation 6 synchronous vibration of vibrating diaphragm, so as to promote the air vibration of surrounding, generation sound wave.
Supporting construction, refers to Fig. 1 in the lump, and which is a support 7, and the support 7 is a peviform structure, and the peviform structure
Bottom be provided with through hole, magnetic structure adheres to 7 bottom centre of support, and radiation vibrational structure is hit by a bullet, and ripple 4 is symmetrical to be adhesive in
7 bottom centre both sides of supporting construction medium-height trestle, specifically, play the bottom that ripple 4 is arranged on support 7, and radiation vibrating diaphragm 6 is fixed on described
The top of support 7.4 upper end bonding voice coil loudspeaker voice coil 5 of ripple is played, the voice coil loudspeaker voice coil 5 is symmetrically distributed in 3 two ends of washer in magnetic circuit system, 5 top of voice coil loudspeaker voice coil
There is gluing firmly radiation vibrating diaphragm 6, radiation 6 edge of vibrating diaphragm is bonded in the frame in supporting construction, and the lateral wall of support 7 is connected with
Terminal board 8, the terminal being connected with the voice coil loudspeaker voice coil 5 are fixed on the terminal board 8.At concrete connection, 7 lateral wall of support rivets end
Daughter board 8, the terminal board 8 are connected with voice coil loudspeaker voice coil 5 by 5 bright and beautiful silk thread of voice coil loudspeaker voice coil.
In its work, it is bonded in the middle of upper and lower magnetic conductor by upper and lower magnetic conductor (T-shaped iron 1, washer 3) in magnetic circuit system
Magnet 2 produce magnetic field, and form magnetic force loop, so as to radiate 6 connected voice coil loudspeaker voice coil 5 of vibrating diaphragm in bullet with radiation 6 system of vibrating diaphragm
4 center of ripple is bonded in annulus gap, and when quiescent current is by voice coil loudspeaker voice coil 5, in radiation 6 system of vibrating diaphragm, voice coil loudspeaker voice coil 5 produces electromagnetism
With interacted by the magnetic field of the bonding magnet 2 about 3 of T-shaped iron 1 and washer in magnetic circuit drive system system so that sound
Circle 5 produces the active force of up-down vibration, and voice coil loudspeaker voice coil 5 is connected with radiation vibrating diaphragm 6, and then drives radiation vibrating diaphragm 6 to make piston movement, from
And surrounding air vibration is promoted, produce sound wave.
By foregoing description as can be seen that the external magnetic type ultrathin loudspeaker that the present embodiment is provided adopts radiation 6 structure of vibrating diaphragm,
Using flat board as sounding body, coil is propagated as motive force, radiative acoustic wave omnidirectional mode, is covered sound field wider, is easy to
Television set is installed, and allows people hear more preferably sound in different angles；LF-response can be accomplished lower than similar loudspeaker, make
It is more plentiful that people listen to low frequency；While slim body, small volume, space hold are little, and suitable application area is broader；Not only material cost
Low, and manufacturing process is simple, low so as to product holistic cost.
Present invention also offers a kind of audio devices, the audio devices include that the external magnetic type described in any of the above-described is ultra-thin and raise
Sound device
The audio devices that the present embodiment is provided adopt above-mentioned external magnetic type ultra-thin loudspeaker structure, and which adopts radiation vibrating diaphragm knot
Structure, using flat board as sounding body, coil is propagated as motive force, radiative acoustic wave omnidirectional mode, covers sound field wider, just
Install in television set, allow people more preferably sound be heard in different angles；LF-response can accomplish lower than similar loudspeaker,
People are made to listen to low frequency more plentiful；While slim body, small volume, space hold are little, and suitable application area is broader；Not only material becomes
This is low, and manufacturing process is simple, low so as to product holistic cost.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Any modification, equivalent and improvement for being made within principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of external magnetic type ultrathin loudspeaker, it is characterised in that include：
Magnetic structure, including：T-shaped iron, is sleeved on magnet and the washer of the upper vertical portion of the T-shaped iron, and the magnet with
The horizontal component contact of the T-shaped iron, one side of the washer with the magnet away from the horizontal component are contacted；
Radiation vibrational structure, including：The bullet ripple of the one side being arranged on the washer away from the magnet is relative with the bullet ripple
And the radiation vibrating diaphragm that puts, also include voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil one end be arranged on described play ripple center in the hole voice coil loudspeaker voice coil, the other end with
The radiation vibrating diaphragm is fixedly connected.
2. external magnetic type ultrathin loudspeaker according to claim 1, it is characterised in that also include supporting construction, including support,
The bullet ripple is fixed on the bottom of the support, and the radiation vibrating diaphragm is fixed on the top of the support.
3. external magnetic type ultrathin loudspeaker according to claim 2, it is characterised in that the lateral wall of the support is connected with end
Daughter board, the terminal being connected with the voice coil loudspeaker voice coil are fixed on the terminal board.
4. external magnetic type ultrathin loudspeaker according to claim 2, it is characterised in that the vertical portion of the T-shaped iron and institute
The junction for stating horizontal component is provided with convex shoulder structure, and the magnet is sleeved on the convex shoulder.
5. external magnetic type ultrathin loudspeaker as claimed in claim 1, it is characterised in that the diameter of the centre bore of the washer is less than
The diameter of the centre bore of the magnet, and the diameter of the centre bore of the washer is all higher than with the diameter of the centre bore of the magnet
The diameter of the T-shaped iron vertical portion.
6. external magnetic type ultrathin loudspeaker as claimed in claim 5, it is characterised in that the horizontal component has and the vertical portion
Divide coaxial conical socket.
7. a kind of audio devices, it is characterised in that include the external magnetic type ultrathin loudspeaker as described in any one of claim 1～6.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/087042 WO2017028034A1 (en) | 2015-08-14 | 2015-08-14 | Outer-magnet ultrathin speaker and audio device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106489272A true CN106489272A (en) | 2017-03-08 |
Family
ID=58050437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580002669.7A Pending CN106489272A (en) | 2015-08-14 | 2015-08-14 | A kind of external magnetic type ultrathin loudspeaker and audio devices |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106489272A (en) |
| WO (1) | WO2017028034A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312188A (en) * | 2019-06-03 | 2019-10-08 | 深圳市宝业恒实业股份有限公司 | A kind of coaxial neodymium iron boron loudspeaker of high sensitivity magnetic structure |
| CN113660584A (en) * | 2021-08-20 | 2021-11-16 | 潍坊歌尔丹拿电子科技有限公司 | Speaker and electronic apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4133750A1 (en) | 2020-04-08 | 2023-02-15 | Oltramare, Michel | Dual axial magnetic flux induction speaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508941A (en) * | 1981-11-27 | 1985-04-02 | Community Light & Sound Inc. | Voice coil centering and suspension for vented pole piece |
| CN1520231A (en) * | 2003-01-22 | 2004-08-11 | 庆帮电子股份有限公司 | Speaker surtable to different output power |
| CN201426173Y (en) * | 2009-04-22 | 2010-03-17 | 奚华 | Ultra-thin mega bass loudspeaker |
| CN201585119U (en) * | 2009-12-16 | 2010-09-15 | 深圳利能达实业有限公司 | Loudspeaker |
| CN201699958U (en) * | 2010-07-22 | 2011-01-05 | 浙江东阳东磁有限公司 | Loudspeaker magnetic circuit heat dissipation structure |
| CN204031442U (en) * | 2014-08-07 | 2014-12-17 | 北京七九七华音电子有限责任公司 | Loud speaker |
| CN204119481U (en) * | 2014-10-11 | 2015-01-21 | 音品电子（深圳）有限公司 | A kind of single magnetic circuit double-voice coil boombox |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7929726B1 (en) * | 2006-12-27 | 2011-04-19 | Jones Philip K G | Planar diaphragm acoustic loudspeaker |
-
2015
- 2015-08-14 CN CN201580002669.7A patent/CN106489272A/en active Pending
- 2015-08-14 WO PCT/CN2015/087042 patent/WO2017028034A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508941A (en) * | 1981-11-27 | 1985-04-02 | Community Light & Sound Inc. | Voice coil centering and suspension for vented pole piece |
| CN1520231A (en) * | 2003-01-22 | 2004-08-11 | 庆帮电子股份有限公司 | Speaker surtable to different output power |
| CN201426173Y (en) * | 2009-04-22 | 2010-03-17 | 奚华 | Ultra-thin mega bass loudspeaker |
| CN201585119U (en) * | 2009-12-16 | 2010-09-15 | 深圳利能达实业有限公司 | Loudspeaker |
| CN201699958U (en) * | 2010-07-22 | 2011-01-05 | 浙江东阳东磁有限公司 | Loudspeaker magnetic circuit heat dissipation structure |
| CN204031442U (en) * | 2014-08-07 | 2014-12-17 | 北京七九七华音电子有限责任公司 | Loud speaker |
| CN204119481U (en) * | 2014-10-11 | 2015-01-21 | 音品电子（深圳）有限公司 | A kind of single magnetic circuit double-voice coil boombox |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312188A (en) * | 2019-06-03 | 2019-10-08 | 深圳市宝业恒实业股份有限公司 | A kind of coaxial neodymium iron boron loudspeaker of high sensitivity magnetic structure |
| CN113660584A (en) * | 2021-08-20 | 2021-11-16 | 潍坊歌尔丹拿电子科技有限公司 | Speaker and electronic apparatus |
| CN113660584B (en) * | 2021-08-20 | 2023-11-24 | 潍坊歌尔丹拿电子科技有限公司 | Speaker and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017028034A1 (en) | 2017-02-23 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170308 |
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