CN110149581A - Anti- disturbance loudspeaker - Google Patents
Anti- disturbance loudspeaker Download PDFInfo
- Publication number
- CN110149581A CN110149581A CN201910576284.1A CN201910576284A CN110149581A CN 110149581 A CN110149581 A CN 110149581A CN 201910576284 A CN201910576284 A CN 201910576284A CN 110149581 A CN110149581 A CN 110149581A
- Authority
- CN
- China
- Prior art keywords
- cone
- guide post
- permanent
- voice coil
- stem
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000032683 aging Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- 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
- 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
The present invention relates to a kind of anti-disturbance loudspeakers, include shell, permanent-magnetic clamp, stem, voice coil, cone and protective cover；It further include having guide post, guide post and stem are coaxially disposed；Permanent magnetic strip has been placed equidistant in the cylinder of the guide post；It is connected with guidance cylinder between voice coil and cone, the inner wall of guidance cylinder is provided with guided rings, permanent magnets, permanent magnets and permanent magnetic strip homopolar-repulsion, location matches are equidistantly provided in guided rings；The guide post further includes having magnetism-isolating loop, the magnetism-isolating loop close to voice coil and guidance cylinder junction；The protective cover includes plate body and flexible membrane, and the end of guide post is arranged in the plate body, and the flexible membrane is connected between plate body and guidance cylinder；The loadspeaker structure is novel, principle is unique, can effectively reduce the disturbance that component vibrates cone, guarantee the sounding effect of cone, be effectively improved the sound quality of loudspeaker, while improve the service life of loudspeaker.
Description
Technical field
The present invention relates to a kind of field of audio, are a kind of loudspeakers particularly.
Background technique
Loudspeaker is also known as " loudspeaker ", is a kind of common electro-acoustic transducer device, can in the electronic electric equipment of sounding
See it, loudspeaker is also essential building block in stereo set, and the performance superiority and inferiority of loudspeaker directly affects sound equipment
The sound quality of equipment；There are many types for loudspeaker, and wherein we are more typically electrodynamic type taper cone loudspeaker, this loudspeaker
Technology it is most mature, using also most extensively；It includes the components such as permanent magnet, stem, cone, voice coil, centering bracket, frame,
Working principle is to promote voice coil shift reciprocately by the curent change in magnetic field, and then drive cone vibration, to generate sound；
It needs that cone is kept to vibrate in the axial reciprocating of stem in voiced process, it is therefore desirable to the support of the components such as bracket of feeling relieved, frame；
But these components inherently can form certain limitation to the movement of cone, be easy to interfere the axial movement of cone；
Especially in use, aging, deformation can occur for the structures such as bracket of feeling relieved, due to not can guarantee centering bracket all directions
Degree of aging it is consistent, then feel relieved bracket can change in a plurality of directions to the support degree of cone, instead can be into one
The vibration of the influence cone of step；Is there is serious distortion situation by the sounding effect of loudspeaker in big heavy discount at this time.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of anti-disturbance loudspeaker, the loadspeaker structure is novel, principle is unique, energy
The disturbance that component vibrates cone is enough effectively reduced, guarantees the sounding effect of cone, the sound quality of loudspeaker is effectively improved, mentions simultaneously
The service life of high loudspeaker.
To solve the above problems, the technical scheme adopted by the invention is that: this anti-disturbance loudspeaker includes shell, permanent magnetism
Ring, stem, voice coil, cone and protective cover；The permanent-magnetic clamp is set on stem, and there are magnetic between the inner wall and stem of permanent-magnetic clamp
Gap；The voice coil and stem are coaxially disposed, and a circle end of voice coil friction free can move back and forth in magnetic gap；In sound
Another circle end of circle is connected with cone；
It further include having guide post, the guide post is mounted on the end of stem, and guide post and stem are coaxially disposed；In the guidance
The cylinder of column has been placed equidistant with permanent magnetic strip, the radial direction of the magnetic pole line direction of the permanent magnetic strip along guide post；
Guidance cylinder is connected between voice coil and cone, the guidance cylinder and voice coil are co-axially located at the outside of guide post；Drawing
The inner wall of guide tube is provided with guided rings, and permanent magnets, the magnetic pole line direction edge of the permanent magnets are equidistantly provided in guided rings
The radial direction of guided rings, and permanent magnets and permanent magnetic strip homopolar-repulsion, location matches；
The guide post further includes having magnetism-isolating loop, the magnetism-isolating loop close to voice coil and guidance cylinder junction；
The protective cover includes plate body and flexible membrane, and the end of guide post is arranged in the plate body, and the flexible membrane is connected to
Between plate body and guidance cylinder.
The beneficial effects of the present invention are: the voice coil is in permanent-magnetic clamp, stem is formed by magnetic field, believe in acoustic current-meter
After number being passed through the voice coil, voice coil will move under the action of electromagnetic force, and as the power of acoustic current-meter signal changes, voice coil will
It is moved back and forth in magnetic field.
Compared to traditional loadspeaker structure, present invention eliminates the structures of the Auxiliary supports such as setting bracket, so that guidance
Cylinder is set in the outside of guide post by magnetic repulsion floating, by the traction cone movement of guidance cylinder；In entire motion process, voice coil
It does not contact, will not be disturbed with guide post, stem, it can be smoothly along stem when active force of the voice coil by electromagnetic field
Axial reciprocating vibration, and then guarantee cone can efficient simulated sound, reduce the distortion of sound.
In the present invention, it is also not present between guided rings and guide post and directly contacts, therefore will not go out in use
Situations such as now wearing, consuming, caused by the irregular aging of branch piece of being formed after a period of use so as to avoid conventional loudspeakers
Distortion.
Be arranged in the magnetism-isolating loop on guide post can by the permanent magnetic strip, permanent magnets magnetic field and voice coil at magnetic field every
From, thus reduce the interference being subject at voice coil, the further arcuate propagation for guaranteeing sound.
Preferably, the shell be arranged in voice coil, guidance cylinder, cone outside, outer rim of the shell at cone to
Inner bending is at limit retaining ring；When cone vibrates, the edge of cone is not contacted with limit retaining ring；It is opened in the outer wall of shell close to cone
Equipped with one-way air inlet hole, the diversion groove extended at limit retaining ring from one-way air inlet hole is offered in the inner wall of shell；
During cone is of reciprocating vibration, the gap between cone and shell is periodically becoming larger, is becoming smaller, at this time the two
Between volume, air pressure changes；When cone is far from shell, extraneous air flows into shell and cone by one-way air inlet hole
Between, when cone is close to shell, the air between cone and shell can either be from other gap loss, it is easier to along described
Diversion groove outflow, air-flow brushes the surface of cone at this time, cleaning action is played to the dust deposited on cone, to slow down paper
The aging of basin, while guaranteeing the vibration sounding effect of cone.
Preferably, closely arrange between the adjacent permanent magnetic strip, the interval between adjacent permanent magnet item be less than permanent magnetic strip with
Interval when permanent magnets face；The magnetic field strength that the structure can be such that permanent magnetic strip is formed is uniform, stablizes, stable convenient for guidance cylinder
It moves back and forth.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram of this anti-disturbance loudspeaker one embodiment.
Specific embodiment
Embodiment:
In the embodiment shown in fig. 1, this anti-disturbance loudspeaker includes shell 1, permanent-magnetic clamp 2, stem 3, voice coil 4,5 and of cone
Protective cover；The permanent-magnetic clamp 2 is set on stem 3, and there are magnetic gaps between the inner wall and stem 3 of permanent-magnetic clamp 2；The voice coil 4
It is coaxially disposed with stem 3, a circle end of voice coil 4 friction free can move back and forth in magnetic gap；In another circle of voice coil 4
End is connected with cone 5；
It further include having guide post 6, the guide post 6 is mounted on the end of stem 3, and guide post 6 and stem 3 are coaxially disposed；Institute
The cylinder for stating guide post 6 has been placed equidistant with permanent magnetic strip 61, the radial direction of the magnetic pole line direction of the permanent magnetic strip 61 along guide post 6；
Guidance cylinder 7 is connected between voice coil 4 and cone 5, the guidance cylinder 7 and voice coil 4 are co-axially located at the outer of guide post 6
Portion；The inner wall of guidance cylinder 7 is provided with guided rings 71, permanent magnets, the magnetic of the permanent magnets are equidistantly provided in guided rings 71
Radial direction of the pole line direction along guided rings 71, and permanent magnets and 61 homopolar-repulsion of permanent magnetic strip, location matches；In the present embodiment,
It closely arranges between the adjacent permanent magnetic strip 61, when the interval between adjacent permanent magnet item 61 is less than permanent magnetic strip 61 and permanent magnets face
Interval；
The guide post 6 further includes having magnetism-isolating loop 62, the magnetism-isolating loop 62 close to voice coil 4 and guidance cylinder 7 junction；
The protective cover includes plate body 81 and flexible membrane 82, and the end of guide post 6, the flexible membrane is arranged in the plate body 81
82 are connected between plate body 81 and guidance cylinder 7；
The outside of voice coil 4, guidance cylinder 7, cone 5 is arranged in the shell 1, and outer rim of the shell 1 at cone 5 is bent inwardly to
Limit retaining ring 11；When cone 5 vibrates, the edge of cone 5 is not contacted with limit retaining ring 11；It is opened in the outer wall of shell 1 close to cone 5
Equipped with one-way air inlet hole 12, offer that water conservancy diversion at limit retaining ring 11 is extended to from one-way air inlet hole 12 is recessed in the inner wall of shell 1
Slot 13.
The voice coil 4 is in permanent-magnetic clamp 2, stem 3 is formed by magnetic field, is passed through the voice coil 4 in acoustic current-meter signal
Afterwards, voice coil 4 will move under the action of electromagnetic force, and as the power of acoustic current-meter signal changes, voice coil 4 will be reciprocal in magnetic field
Movement.
Compared to traditional loadspeaker structure, present invention eliminates the structures of the Auxiliary supports such as setting bracket, so that guidance
Cylinder 7 is set in the outside of guide post 6 by magnetic repulsion floating, draws cone 5 by guidance cylinder 7 and moves；In entire motion process,
Voice coil 4 is not contacted with guide post 6, stem 3, will not be disturbed, can be stable when active force of the voice coil 4 by electromagnetic field
Along stem 3 axial reciprocating vibrate, and then guarantee cone 5 can efficient simulated sound, reduce the distortion of sound；In this implementation
It in example, closely arranges between the adjacent permanent magnetic strip 61, the interval between adjacent permanent magnet item 61 is less than permanent magnetic strip 61 and permanent magnets
Interval when face；The magnetic field strength that the structure can be such that permanent magnetic strip 61 is formed is uniform, stablizes, smoothly past convenient for guidance cylinder 7
Multiple movement.
In the present invention, it is not present between guided rings 71 and guide post 6 and directly contacts, therefore will not go out in use
Situations such as now wearing, consuming, caused by the irregular aging of branch piece of being formed after a period of use so as to avoid conventional loudspeakers
Distortion；The magnetism-isolating loop 62 on guide post 6 is arranged in can be by the magnetic field at the permanent magnetic strip 61, the magnetic field of permanent magnets and voice coil 4
Isolation, thus reduce the interference being subject at voice coil 4, the further arcuate propagation for guaranteeing sound.
In addition, gap between cone 5 and shell 1 is periodically becoming larger, is becoming during cone 5 is of reciprocating vibration
Small, volume at this time between the two, air pressure change；When cone 5 is far from shell 1, extraneous air passes through one-way air inlet
Hole 12 flows between shell 1 and cone 5, and when cone 5 is close to shell 1, the air between cone 5 and shell 1 can either be from it
His gap loss, it is easier to be flowed out along the diversion groove 13, air-flow brushes the surface of cone 5 at this time, to depositing on cone 5
Dust play cleaning action, to slow down the aging of cone 5, while guaranteeing the vibration sounding effect of cone 5.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of anti-disturbance loudspeaker includes shell (1), permanent-magnetic clamp (2), stem (3), voice coil (4), cone (5) and protection
Cover；The permanent-magnetic clamp (2) is set on stem (3), and there are magnetic gaps between the inner wall and stem (3) of permanent-magnetic clamp (2)；The sound
It encloses (4) and stem (3) to be coaxially disposed, a circle end of voice coil (4) friction free can move back and forth in magnetic gap；In voice coil
(4) another circle end is connected with cone (5)；It is characterized by also including having guide post (6), the guide post (6) is mounted on core
The end of column (3), guide post (6) and stem (3) are coaxially disposed；Permanent magnetic strip has been placed equidistant in the cylinder of the guide post (6)
(61), radial direction of the magnetic pole line direction of the permanent magnetic strip (61) along guide post (6)；It is connected between voice coil (4) and cone (5)
Have guidance cylinder (7), guidance cylinder (7) is co-axially located at the outside of guide post (6) with voice coil (4)；In the inner wall of guidance cylinder (7)
Guided rings (71) are provided with, permanent magnets are equidistantly provided on guided rings (71), the magnetic pole line direction edge of the permanent magnets is drawn
The radial direction of lead ring (71), and permanent magnets and permanent magnetic strip (61) homopolar-repulsion, location matches；The guide post (6) further include have every
Magnet ring (62), junction of the magnetism-isolating loop (62) close to voice coil (4) and guidance cylinder (7)；The protective cover includes plate body
(81) it is arranged with flexible membrane (82), the plate body (81) in the end of guide post (6), the flexible membrane (82) is connected to plate body
(81) between guidance cylinder (7).
2. anti-disturbance loudspeaker according to claim 1, it is characterised in that: the shell (1) is arranged in voice coil (4), draws
The outside of guide tube (7), cone (5), outer rim of the shell (1) at cone (5) are bent inwardly to limit retaining ring (11)；Cone
(5) when vibrating, the edge of cone (5) is not contacted with limit retaining ring (11)；It is offered in the outer wall of shell (1) close to cone (5)
One-way air inlet hole (12) offers from one-way air inlet hole (12) in the inner wall of shell (1) and extends to leading at limit retaining ring (11)
It flows groove (13).
3. anti-disturbance loudspeaker according to claim 1 or 2, it is characterised in that: tight between the adjacent permanent magnetic strip (61)
Solid matter cloth, the interval between adjacent permanent magnet item (61) are less than interval when permanent magnetic strip (61) and permanent magnets face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576284.1A CN110149581B (en) | 2019-06-28 | 2019-06-28 | Anti-disturbance loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576284.1A CN110149581B (en) | 2019-06-28 | 2019-06-28 | Anti-disturbance loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110149581A true CN110149581A (en) | 2019-08-20 |
| CN110149581B CN110149581B (en) | 2020-08-04 |
Family
ID=67596818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910576284.1A Active CN110149581B (en) | 2019-06-28 | 2019-06-28 | Anti-disturbance loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110149581B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460937A (en) * | 2019-08-23 | 2019-11-15 | 朱虹斐 | Focus type loudspeaker |
| CN113573216A (en) * | 2020-04-29 | 2021-10-29 | 维沃移动通信有限公司 | Speaker and electronic equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114746Y (en) * | 2007-08-07 | 2008-09-10 | 吴少豪 | Speaker |
| CN201594912U (en) * | 2009-09-27 | 2010-09-29 | 常州市武进悦达电声器材有限公司 | Loudspeaker |
| CN202738092U (en) * | 2012-06-15 | 2013-02-13 | 国光电器股份有限公司 | Large amplitude ultrathin loudspeaker |
| CN204031456U (en) * | 2014-01-22 | 2014-12-17 | 宁波升亚电子有限公司 | A kind of non-elastic wave loudspeaker |
| WO2017063262A1 (en) * | 2015-10-16 | 2017-04-20 | 歌尔声学股份有限公司 | Loudspeaker |
| US20180109879A1 (en) * | 2015-04-22 | 2018-04-19 | Goertek Inc. | Speaker device |
| CN108600923A (en) * | 2018-04-25 | 2018-09-28 | 江苏君厚科技有限公司 | A kind of dust-proof loud speaker of multi-media sound system |
| WO2018223466A1 (en) * | 2017-06-06 | 2018-12-13 | 余姚德诚科技咨询有限公司 | Intelligent police van loudspeaker |
-
2019
- 2019-06-28 CN CN201910576284.1A patent/CN110149581B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114746Y (en) * | 2007-08-07 | 2008-09-10 | 吴少豪 | Speaker |
| CN201594912U (en) * | 2009-09-27 | 2010-09-29 | 常州市武进悦达电声器材有限公司 | Loudspeaker |
| CN202738092U (en) * | 2012-06-15 | 2013-02-13 | 国光电器股份有限公司 | Large amplitude ultrathin loudspeaker |
| CN204031456U (en) * | 2014-01-22 | 2014-12-17 | 宁波升亚电子有限公司 | A kind of non-elastic wave loudspeaker |
| US20180109879A1 (en) * | 2015-04-22 | 2018-04-19 | Goertek Inc. | Speaker device |
| WO2017063262A1 (en) * | 2015-10-16 | 2017-04-20 | 歌尔声学股份有限公司 | Loudspeaker |
| WO2018223466A1 (en) * | 2017-06-06 | 2018-12-13 | 余姚德诚科技咨询有限公司 | Intelligent police van loudspeaker |
| CN108600923A (en) * | 2018-04-25 | 2018-09-28 | 江苏君厚科技有限公司 | A kind of dust-proof loud speaker of multi-media sound system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460937A (en) * | 2019-08-23 | 2019-11-15 | 朱虹斐 | Focus type loudspeaker |
| CN110460937B (en) * | 2019-08-23 | 2021-01-26 | 深圳市神尔科技股份有限公司 | Focusing loudspeaker |
| CN113573216A (en) * | 2020-04-29 | 2021-10-29 | 维沃移动通信有限公司 | Speaker and electronic equipment |
| CN113573216B (en) * | 2020-04-29 | 2023-11-03 | 维沃移动通信有限公司 | Speaker and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110149581B (en) | 2020-08-04 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200616 Address after: 437000 Changjiang Industrial Park, Xianning Economic Development Zone, Hubei Applicant after: Hongshuo Electronic Technology (Xianning) Co., Ltd Address before: 215000 Shanghai Road, Wujiang District, Suzhou City, Jiangsu Province, 15, 1501 Applicant before: Zhu Hongfei |
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