CN105163230B - A kind of vibration-damping speaker - Google Patents
A kind of vibration-damping speaker Download PDFInfo
- Publication number
- CN105163230B CN105163230B CN201510622640.0A CN201510622640A CN105163230B CN 105163230 B CN105163230 B CN 105163230B CN 201510622640 A CN201510622640 A CN 201510622640A CN 105163230 B CN105163230 B CN 105163230B
- Authority
- CN
- China
- Prior art keywords
- damping
- vibration
- speaker
- loud speaker
- electromagnet
- 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.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 title claims abstract description 43
- 230000005291 magnetic effect Effects 0.000 claims description 28
- 239000003566 sealing material Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 9
- 239000006148 magnetic separator Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The present invention relates to sound system technical field more particularly to a kind of vibration-damping speakers.Loud speaker is suspended by the vibration-damping speaker using electromagnet, and voice box casing is made of damping block, and vibration proof mounting is arranged in bottom base plate, and this speaker resonance sound timbre that is smaller and sending out is preferable.
Description
Technical field
The present invention relates to sound system technical field more particularly to a kind of vibration-damping speakers.
Background technology
Speaker is the last one in entire sound system flow, is also a most important composition, and playing quality is to whole
The influence of a system performance is very big, estimates according to professional person, and speaker accounts for whole system to the contribution of entire sound system
30% or more.
Speaker itself includes voice box casing, loud speaker and frequency divider, the fine or not shadow to sound quality of loud speaker and frequency divider
Sound accounts for 70%, and influence of the voice box casing to sound quality accounts for 30%, because loud speaker is affected to sound quality with frequency divider,
Prior art most people are to improve loud speaker and frequency divider, and few people go to improve voice box casing.
But voice box casing also has a very big impact the sound quality of speaker, wherein most important influence is speaker resonance,
Again because the frame of loud speaker is mainly fastened on the front panel of voice box casing by screw by the loud speaker of the prior art, i.e.,
Frame is directly to be contacted with front panel, so the vibration generated when speaker operation can be direct by support constructions such as frame
It is transmitted on the front panel of voice box casing, and then voice box casing is made to resonate, there are also speaker by holder by loud speaker
It is fixed on other panels, when such speaker operation can directly transfer vibrations on panel fixed thereto so that sound
Tank shell resonates so that the sound timbre that speaker is sent out is poor；The acoustic pressure of also voice box casing accumulated inside also can
Directly excitation voice box casing vibrates, and it is poor that this also results in the sound timbre that speaker is sent out.
Invention content
The technical problem to be solved by the present invention is to：A kind of resonance preferable vibration damping of sound timbre that is smaller and sending out is provided
Speaker.
The technical solution adopted in the present invention is：A kind of vibration-damping speaker, including controller, voice box casing and loud speaker,
The voice box casing includes front panel, rear panel, left panel, right panel, bottom plate and top plate, set on the front panel there are one
The through-hole to match with loud speaker, the loud speaker is equipped with magnet, and magnetic separator system is equipped between the loud speaker and magnet
At every being equipped with the electromagnet for adsorbing magnet, Mei Ge electricity on magnetosphere, the left panel, right panel, bottom plate and top plate
Set on magnet there are one the magnetic field sensor for being used for induced field Strength Changes, the electromagnet and magnetic field sensor with control
Device electrical connection processed, and also sealed and fixed by flexible sealing material between loud speaker and front panel, and the bottom plate is equipped with
One holder for the support speaker when electromagnet does not work, and the voice box casing is made of damping block, and the sound
Tank shell bottom is equipped with vibration proof mounting,
When work of electromagnet, loud speaker can suspend under the action of electromagnetic force, not acted between loud speaker and holder
Power；When electromagnet is stopped, loudspeaker position does not change, but loud speaker can be withstood support by holder.
The mass component of the magnetic separator is
The center of the holder set there are one on bottom plate electromagnet generate magnetic force by flux bore.
The flexible sealing material is foam seal ring and glass cement.
The loud speaker includes shell and the frame that is arranged outside shell, and the magnet is shell-like, and the magnet set
It is located at outside shell.
It is described every magnetosphere be shell-like, described to be arranged on the shell every magnetosphere, the magnet is set in every on magnetosphere.
The pedestal upper end face is equipped with pressure sensor, and the pressure sensor is electrically connected with the controller.
Damping block cored slab made of elastic material, and be equipped among the cored slab and be made of non-elastic material
Partition panel, and the partition panel is equipped with guide hole, and is additionally provided with damping fluid in the cored slab.
The additive for increasing the coefficient of viscosity is equipped in the damping fluid.
The vibration proof mounting include the upper backup pad set gradually from top to bottom, Upper gasket, damping shock absorber, lower gasket and
Lower supporting plate.
Using above technical scheme is compared with the prior art, the present invention has the following advantages：By electromagnet by loud speaker
It suspends, such loud speaker only has connection relation, i.e. loud speaker to generate by the front panel of flexible sealing material and voice box casing
Vibration is transmitted to without going past the component being directly connected on voice box casing, and can be only transmitted to by flexible material on front panel,
Passing to past vibration in this way can be substantially reduced by flexible material, so when speaker operation voice box casing will not occur altogether
It shakes, the sound timbre that such speaker is sent out is preferable, and detects magnetic field using magnetic field sensor, can preferably control raise in this way
Sound device suspend when stability so that loud speaker suspend when be not easy to shake, and between magnet and loud speaker be provided with every
Magnetosphere, can effectively prevent the magnetic field of electromagnet formation in this way influences the work of loud speaker itself, and a holder is arranged,
In this way when not being powered, i.e., when electromagnet does not work, the function of support speaker, and electricity can be played by holder
When magnet power on/off, the position of loud speaker is constant, i.e., is powered off suddenly in electromagnet, i.e., loud speaker from suspended state become according to
By speaker damage will not be caused because there is range difference when holder holding state, voice box casing is made of damping block, in this way
Voice box casing can sponge the sound wave gathered in a part of voice box casing, can reduce the vibration of voice box casing in this way, and
And one vibration proof mounting is set in voice box casing bottom, the resonance of speaker can also be reduced in this way so that the sound sound that speaker is sent out
Matter is preferable.
And using the magnetic separator of this component composition, magnetism isolating effect is preferable.
A flux bore is arranged in the heart in the bracket, can be prevented in this way because of the influence that holder stops and is generated to magnetic field.
Loud speaker and front panel sealing are fixed using foam seal ring and glass cement, not only seal fixed effect in this way
Preferably, and the vibration that loud speaker passes over can be substantially reduced.
Magnet is made into shell-like, can preferably be coordinated in this way with multiple electromagnet so that stress compares when loud speaker suspends
Uniformly.
Shell-like will be made every magnetosphere, and can preferably play separated magnetic effect.
One pressure sensor is set on holder, when speaker operation, pressure sensor has detected pressure in this way,
Loud speaker is then indicated there is no suspending completely, corresponding electromagnet can be controlled by controller at this time and so that loud speaker is completely outstanding
It is floating.
Using the damping block of this structure, vibration is most of to be absorbed by damping fluid, and vibration damping sound-absorbing effect is preferable.
Increase additive in damping fluid, so that the effectiveness in vibration suppression of damping fluid is more preferable.
Using the vibration proof mounting of this structure, effectiveness in vibration suppression is preferable.
Description of the drawings
Fig. 1 is a kind of side sectional view of vibration-damping speaker of the present invention.
Fig. 2 is a kind of front section view of vibration-damping speaker of the present invention.
Fig. 3 is enlarged drawing at Figure 1A.
As shown in the figure：1, loud speaker；2, front panel；3, rear panel；4, left panel；5, right panel；6, bottom plate；7, top plate；
8, magnet；9, every magnetosphere；10, electromagnet；11, flexible sealing material；12, holder；13, damping block；14, vibration proof mounting；15, magnetic flux
Hole.
Specific implementation mode
The present invention is described further with specific implementation mode below in conjunction with attached drawing, but the present invention be not limited only to it is following
Specific implementation mode.
A kind of vibration-damping speaker, including controller, voice box casing and loud speaker 1, the voice box casing include front panel 2,
Rear panel 3, left panel 4, right panel 5, bottom plate 6 and top plate 7, set that there are one lead to what loud speaker 1 matched on the front panel 2
Hole, the loud speaker 1 are equipped with magnet 8, and are equipped with made of magnetic separator between the loud speaker 1 and magnet 8 every magnetosphere 9,
The electromagnet 10 for adsorbing magnet, each electromagnet 10 are equipped on the left panel 4, right panel 5, bottom plate 6 and top plate 7
On set there are one the magnetic field sensor for being used for induced field Strength Changes, the electromagnet and magnetic field sensor are and controller
Electrical connection, and also sealed and fixed by flexible sealing material 11 between loud speaker 1 and front panel 2, and the bottom plate 6 is equipped with
One holder 12 for the support speaker 1 when electromagnet does not work, and the voice box casing is made of damping block 13, and institute
It states voice box casing bottom and is equipped with vibration proof mounting 14,
When work of electromagnet, loud speaker can suspend under the action of electromagnetic force, not acted between loud speaker and holder
Power；When electromagnet is stopped, loudspeaker position does not change, but loud speaker can be withstood support by holder.
The mass component of the magnetic separator is
The center of the holder 12 set there are one on bottom plate electromagnet generate magnetic force by flux bore 15.
The flexible sealing material 11 is foam seal ring and glass cement.
The loud speaker 1 includes shell and the frame that is arranged outside shell, and the magnet 8 is shell-like, and the magnet 8
It is set in outside shell.
It is described every magnetosphere 9 be shell-like, described to be arranged on the shell every magnetosphere 9, the magnet 8 is set in every on magnetosphere 9.
12 upper surface of the holder is equipped with pressure sensor, and the pressure sensor is electrically connected with the controller.
The damping block 13 includes the cored slab made of elastic material, and is equipped with by non-resilient material among the cored slab
Partition panel made of material, and the partition panel is equipped with guide hole, and it is additionally provided with damping fluid in the cored slab.
Added with the additive for increasing the coefficient of viscosity in the damping fluid.
The vibration proof mounting 14 include set gradually from top to bottom upper backup pad, Upper gasket, damping shock absorber, lower gasket with
And lower supporting plate.
When the operation principle of the present invention：When speaker powers off, electromagnet 10 is not powered up at this time, so can not generate
Magnetic field and make loud speaker 1 suspend, so 1 most weight of loud speaker is made of holder 12, and fraction is
It is made up of the flexible sealing material 11 between loud speaker 1 and front panel 2；After speaker is electrified, electromagnet 10 at this time
Be powered startup simultaneously, then generates magnetic force according to pre-set magnetic field size, is generated to the magnet being arranged on loud speaker 1
Active force, so that loud speaker 1 suspends, most of gravity is offset by magnetic force, and fraction passes through flexible sealing material 11
It is made, i.e., so that not having active force between loud speaker 1 and holder 12, such loud speaker will not drive holder 12 to shake in vibration
It is dynamic, and because flexible sealing material 11 is flexible, even if some vibration is transmitted to by flexible sealing material
Voice box casing, that is also minimum；Then when speaker powers off again, because electromagnet 10 is again without then electromagnet 10
Do not continue to work, loud speaker 1 can be fallen down under the effect of gravity at this time, but because loud speaker 1 suspend when with holder 12 it
Between without distance or distance it is smaller, so directly can be caught and then be supported by holder 12 when loud speaker 1 does not suspend, in this way
Loud speaker 1 will not be damaged.
And the control principle in terms of the application electric appliance is：After speaker is powered, if pressure sensor has received pressure,
Then indicate that loud speaker 1 returns 12 1 pressure of holder at this time, there is no suspending completely, so controller can control setting the bottom of at this time
Electromagnet 10 on plate 6 increases magnetic force, and until pressure sensor is not received by pressure, and magnetic field sensor is to survey always
Magnetic field is tried, so that the magnetic field around speaker magnets is matched with preset magnetic field, so that loud speaker 1 can just hang
Floating, uniform force, if magnetic field sensor test does not match to magnetic field with the magnetic field of setting, controller controls corresponding electromagnetism
Iron 10 makes corresponding change.
Claims (10)
1. a kind of vibration-damping speaker, including controller, voice box casing and loud speaker (1), the voice box casing include front panel
(2), rear panel (3), left panel (4), right panel (5), bottom plate (6) and top plate (7), set on the front panel (2) there are one
The through-hole to match with loud speaker (1), it is characterised in that：The loud speaker (1) be equipped with magnet (8), and the loud speaker (1) with
It is equipped between magnet (8) made of magnetic separator every magnetosphere (9), the left panel (4), right panel (5), bottom plate (6) and top
It is equipped with the electromagnet (10) for adsorbing magnet on plate (7), is set on each electromagnet (10) strong there are one induced field is used for
Changing magnetic field sensor is spent, the electromagnet and magnetic field sensor are electrically connected with the controller, and loud speaker (1) and front
It is also sealed and is fixed by flexible sealing material (11) between plate (2), and set that there are one for working as electromagnet on the bottom plate (6)
The holder (12) of support speaker (1) when not working, and the voice box casing is made of damping block (13), and the voice box casing
Bottom is equipped with vibration proof mounting (14)；
When work of electromagnet, loud speaker can suspend under the action of electromagnetic force, not have active force between loud speaker and holder；When
When electromagnet is stopped, loudspeaker position does not change, but loud speaker can be withstood support by holder.
2. a kind of vibration-damping speaker according to claim 1, it is characterised in that：The mass component of the magnetic separator is
3. a kind of vibration-damping speaker according to claim 1, it is characterised in that：The center of the holder (12) supplies there are one setting
The magnetic force that electromagnet on bottom plate generates by flux bore (15).
4. a kind of vibration-damping speaker according to claim 1, it is characterised in that：The flexible sealing material (11) is that foam is close
Seal ring and glass cement.
5. a kind of vibration-damping speaker according to claim 1, it is characterised in that：The loud speaker (1) includes shell and sets
The frame outside shell is set, the magnet (8) is shell-like, and the magnet (8) is set in outside shell.
6. a kind of vibration-damping speaker according to claim 5, it is characterised in that：It is described every magnetosphere (9) be shell-like, it is described every magnetic
Layer (9) is arranged on the shell, and the magnet (8) is set in every on magnetosphere (9).
7. a kind of vibration-damping speaker according to claim 1, it is characterised in that：Holder (12) upper surface is passed equipped with pressure
Sensor, and the pressure sensor is electrically connected with the controller.
8. a kind of vibration-damping speaker according to claim 1, it is characterised in that：The damping block (13) includes by elastic material
Manufactured cored slab, and the partition panel made of non-elastic material is equipped among the cored slab, and the partition panel is equipped with
Guide hole, and it is additionally provided with damping fluid in the cored slab.
9. a kind of vibration-damping speaker according to claim 8, it is characterised in that：Added with viscous for increasing in the damping fluid
The additive of stagnant coefficient.
10. a kind of vibration-damping speaker according to claim 1, it is characterised in that：The vibration proof mounting (14) includes from top to bottom
Upper backup pad, Upper gasket, damping shock absorber, lower gasket and the lower supporting plate set gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622640.0A CN105163230B (en) | 2015-09-25 | 2015-09-25 | A kind of vibration-damping speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622640.0A CN105163230B (en) | 2015-09-25 | 2015-09-25 | A kind of vibration-damping speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105163230A CN105163230A (en) | 2015-12-16 |
| CN105163230B true CN105163230B (en) | 2018-08-24 |
Family
ID=54803968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510622640.0A Expired - Fee Related CN105163230B (en) | 2015-09-25 | 2015-09-25 | A kind of vibration-damping speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105163230B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08237780A (en) * | 1995-02-24 | 1996-09-13 | Aisin Takaoka Ltd | Speaker stand |
| CN1516519A (en) * | 2003-08-31 | 2004-07-28 | 江 徐 | Voice box |
| CN101132650A (en) * | 2006-08-25 | 2008-02-27 | 佛山市顺德区顺达电脑厂有限公司 | Vibration isolating structure of loudspeaker apparatus |
| CN202496065U (en) * | 2012-02-22 | 2012-10-17 | 比亚迪股份有限公司 | Sound-proofing device |
| CN203167227U (en) * | 2012-12-26 | 2013-08-28 | 威立达数码科技(深圳)有限公司 | Magnetic suspension sound box |
| CN104876563A (en) * | 2015-04-23 | 2015-09-02 | 程凯芬 | Ferrite magnetic-isolating material |
-
2015
- 2015-09-25 CN CN201510622640.0A patent/CN105163230B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08237780A (en) * | 1995-02-24 | 1996-09-13 | Aisin Takaoka Ltd | Speaker stand |
| CN1516519A (en) * | 2003-08-31 | 2004-07-28 | 江 徐 | Voice box |
| CN101132650A (en) * | 2006-08-25 | 2008-02-27 | 佛山市顺德区顺达电脑厂有限公司 | Vibration isolating structure of loudspeaker apparatus |
| CN202496065U (en) * | 2012-02-22 | 2012-10-17 | 比亚迪股份有限公司 | Sound-proofing device |
| CN203167227U (en) * | 2012-12-26 | 2013-08-28 | 威立达数码科技(深圳)有限公司 | Magnetic suspension sound box |
| CN104876563A (en) * | 2015-04-23 | 2015-09-02 | 程凯芬 | Ferrite magnetic-isolating material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105163230A (en) | 2015-12-16 |
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Granted publication date: 20180824 |