CN105142066B - Vibration-damping speaker system - Google Patents
Vibration-damping speaker system Download PDFInfo
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- CN105142066B CN105142066B CN201510624286.5A CN201510624286A CN105142066B CN 105142066 B CN105142066 B CN 105142066B CN 201510624286 A CN201510624286 A CN 201510624286A CN 105142066 B CN105142066 B CN 105142066B
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- loudspeaker
- vibration
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- damping
- speaker system
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Abstract
The present invention relates to sound system technical field, more particularly to a kind of vibration-damping speaker system.Loudspeaker is suspended by the speaker body in the vibration-damping speaker system using electromagnet, foot stool is then using the hollow column of filling cast iron powder, and top panel is made of damping block, and the column is connected with top panel and bottom panel using spot welding, it is preferable that this sound box system vibrates sound timbre that is smaller and sending.
Description
Technical field
The present invention relates to sound system technical field, more particularly to a kind of vibration-damping speaker system.
Background technology
Audio amplifier is last in whole sound system flow and a most important composition, and its playing quality is to whole
The influence of individual systematic function is very big, estimates according to professional person, and contribution of the audio amplifier to whole sound system accounts for whole system
More than 30%.
Sound box system mainly includes speaker body and foot stool, the audio amplifier include in itself voice box casing, loudspeaker and
Influence of the quality of frequency divider, loudspeaker and frequency divider to tonequality accounts for 65%, and influence of the voice box casing to tonequality accounts for 30%, pin
Frame influences to account for 5% on tonequality, because loudspeaker has a great influence with frequency divider to tonequality, prior art most people are
Go to improve loudspeaker and frequency divider, and few people go to improve voice box casing and foot stool.
But voice box casing also has a very big impact to the tonequality of sound box system, wherein most important influence to be that audio amplifier is total to
Shake, and because the loudspeaker of prior art is mainly the front panel that the frame of loudspeaker is fastened on to voice box casing by screw
On, i.e., frame is directly to be contacted with front panel, so when vibration caused by speaker operation can pass through the support knot such as frame
Structure is directly delivered on the front panel of voice box casing, and then voice box casing is resonated, and also has some audio amplifiers will by support
Loudspeaker is fixed on other panels, can directly be transferred vibrations on panel fixed thereto during such speaker operation,
So that voice box casing resonates so that the sound timbre that audio amplifier is sent is poor.
And foot stool also has a very big impact to the tonequality of sound box system, wherein most importantly itself vibrates and shaken
Dynamic to transmit, the foot stool of prior art is typically all simply played a supporting role, and not anti-vibration and shock sucking function.
The content of the invention
The technical problems to be solved by the invention are：A kind of vibration preferable audio amplifier of sound timbre that is smaller and sending is provided
System.
The technical solution adopted in the present invention is：A kind of vibration-damping speaker system, including speaker body and foot stool, the sound
Case body includes controller, voice box casing and loudspeaker, and the voice box casing includes front panel, rear board, left panel, the right side
Plate, bottom plate and top plate, the front panel are provided with a through hole to match with loudspeaker, and the loudspeaker is provided with magnet,
And it is provided between the loudspeaker and magnet made of NULL every magnetosphere, the left panel, right panel, bottom plate and top plate
On be equipped with electromagnet for adsorbing magnet, each electromagnet is provided with the magnetic field for being used for induced field Strength Changes and passed
Sensor, the electromagnet and magnetic field sensor are electrically connected with the controller, and also pass through flexibility between loudspeaker and front panel
Encapsulant sealing is fixed, and the bottom plate is provided with a support for being used for the support speaker when electromagnet does not work,
The foot stool includes top panel, bottom panel and the more root posts being arranged between top panel and bottom panel, described
More root posts are open tubular column, and cast iron powder is filled with the open tubular column, and the top panel is damping block, and the column with
Top panel and bottom panel are connected using spot welding,
When work of electromagnet, loudspeaker can suspend in the presence of electromagnetic force, not acted between loudspeaker and support
Power；When electromagnet is stopped, loudspeaker position does not change, but loudspeaker can be withstood support by support.
The mass component of the NULL is
The center of the support is provided with a flux bore passed through for magnetic force caused by the electromagnet on bottom plate.
The flexible sealing material is foam seal ring and glass cement.
The loudspeaker includes shell and the frame that is arranged on outside shell, and the magnet is shell-like, and the magnet set
It is located at outside shell.
Described every magnetosphere is shell-like, and described to be set in every magnetosphere on shell, the magnet is set in every on magnetosphere.
The pedestal upper end face is provided with pressure sensor, and the pressure sensor is electrically connected with the controller.
The pedestal upper end face is provided with pressure sensor, and the pressure sensor is electrically connected with the controller.
The column is made up of high-carbon cast iron plate, and its phosphorus content is 3.5%-3.8%, 90% sky in the open tubular column
Between be filled with cast iron powder, and a diameter of 600 μm of the cast iron powder.
The damping block includes cored slab and the perforated plate being arranged among cored slab, and is additionally provided with the cored slab
Damping fluid.
Pad between the column and top panel is located at the center of column upper surface, between the column and bottom panel
Pad be located at the center in column lower end face.
Using above technical scheme compared with prior art, the present invention has advantages below：By electromagnet by loudspeaker
Suspend, such loudspeaker only has annexation by the front panel of flexible sealing material and voice box casing, i.e., caused by loudspeaker
Vibration is delivered on voice box casing without going past the part being directly connected to, and can be only delivered to by flexible material on front panel,
So passing to past vibration can be substantially reduced by flexible material, so when speaker operation voice box casing will not occur altogether
Shake, the sound timbre that such audio amplifier is sent is preferable, and detects magnetic field using magnetic field sensor, so can preferably control and raise
Sound device suspend when stability so that loudspeaker suspend when be not easy to shake, and between magnet and loudspeaker be provided with every
It magnetosphere, so can effectively prevent the magnetic field that electromagnet is formed from influenceing the work of loudspeaker in itself, and a support is set,
So when not being powered, i.e., when electromagnet does not work, the function of support speaker, and electricity can be played by support
During magnet power on/off, the position of loudspeaker is constant, i.e., is powered off suddenly in electromagnet, i.e., loudspeaker from suspended state be changed into according to
By speaker damage will not be caused because there is range difference during support holding state；And the column of foot stool is made it is hollow,
And cast iron powder is inside filled, the vibration that quickly can so pass over speaker body is transferred to heat energy and discharged,
Vibration is set not transmitted back and forth through column, and for cast iron powder, the section for having iron and two kinds of materials of graphite rubs, also more
Easily vibration conversion is fallen, and top panel is used into damping block, the vibration that more can so pass over voice box casing
Conversion is fallen, and because being fixed between column and top panel and bottom panel using spot welding, such column and top panel and bottom
It can only be driven between panel by the contact point of very little, so vibration is most of to be converted by column, top panel and bottom panel
Fall, vibration will not be transmitted back and forth, can so reduce and resonate caused by voice box casing so that sound timbre caused by sound box system compared with
It is good.
It is and preferable using the NULL of this component composition, magnetism isolating effect.
The heart sets a flux bore in the bracket, can so prevent because of support stop and on influence caused by magnetic field.
Loudspeaker and front panel sealing are fixed using foam seal ring and glass cement, so not only seal fixed effect
Preferably, and the vibration that loudspeaker passes over can be substantially reduced.
Magnet is made into shell-like, preferably can so be coordinated with multiple electromagnet so that stress compares when loudspeaker suspends
Uniformly.
Shell-like will be made every magnetosphere, and can preferably play separated magnetic effect.
One pressure sensor is set on support, so when speaker operation, pressure sensor has detected pressure,
Then represent that loudspeaker does not suspend completely, can now control corresponding electromagnet loudspeaker completely outstanding by controller
It is floating.
Column is made of high-carbon cast iron plate, because graphite particle is thick in high-carbon cast iron plate, with iron motherboard friction energy
Vibration mechanical energy is changed into thermal energy consumption faster to fall, so damping capacity is stronger, in open tubular column 90% space filled
Cast iron powder, so set by experiment can obtain fill 90% when tonequality it is best.
Using the damping block of this structure, when the vibration on voice box casing is delivered on damping block, damping block can drive
The mechanical energy of vibration is converted into heat energy and dissipated by internal damping fluid back and forth through the through hole on perforated plate, such energy
Preferably reduce vibration.
Pad is arranged on the center of column upper and lower end face, and support is more steady, it is not easy to topples over.
Brief description of the drawings
Fig. 1 is the side sectional view of vibration-damping speaker system of the present invention.
Fig. 2 is the front section view of vibration-damping speaker system of the present invention.
Fig. 3 is enlarged drawing at Figure 1A.
As shown in the figure：1st, loudspeaker；2nd, front panel；3rd, rear board；4th, left panel；5th, right panel；6th, bottom plate；7th, top plate；
8th, magnet；9th, every magnetosphere；10th, electromagnet；11st, flexible sealing material；12nd, support；13rd, top panel；14th, bottom panel；15th, stand
Post；16th, flux bore.
Embodiment
The present invention is described further with embodiment below in conjunction with accompanying drawing, but the present invention be not limited only to it is following
Embodiment.
A kind of sound box system, including speaker body and foot stool, the speaker body include controller, voice box casing and
Loudspeaker 1, the voice box casing includes front panel 2, rear board 3, left panel 4, right panel 5, bottom plate 6 and top plate 7, before described
Panel 2 is provided with a through hole to match with loudspeaker 1, and the loudspeaker 1 is provided with magnet 8, and the loudspeaker 1 and magnet
It is provided between 8 made of NULL and is used for every being equipped with magnetosphere 9, the left panel 4, right panel 5, bottom plate 6 and top plate 7
The electromagnet 10 of magnet is adsorbed, each electromagnet 10 is provided with a magnetic field sensor for being used for induced field Strength Changes, institute
State electromagnet 10 and magnetic field sensor is electrically connected with the controller, and also pass through flexible sealing between loudspeaker 1 and front panel 2
The sealing of material 11 is fixed, and the bottom plate 6 is provided with a support 12 for being used for the support speaker when electromagnet does not work,
It is vertical that the foot stool includes top panel 13, bottom panel 14 and be arranged between top panel 13 and bottom panel 14 more
Post 15, more root posts 15 are open tubular column, and cast iron powder is filled with the open tubular column, and the top panel 13 is vibration damping
Plate, and the column 15 is connected with top panel 13 and bottom panel 14 using spot welding,
When work of electromagnet, loudspeaker can suspend in the presence of electromagnetic force, not acted between loudspeaker and support
Power；When electromagnet is stopped, loudspeaker position does not change, but loudspeaker can be withstood support by support.
The mass component of the NULL is
The center of the support 12 is provided with a flux bore 16 passed through for magnetic force caused by the electromagnet on bottom plate.
The flexible sealing material 11 is foam seal ring and glass cement.
The loudspeaker 1 includes shell and the frame that is arranged on outside shell, and the magnet 8 is shell-like, and the magnet 8
It is set in outside shell.
Described every magnetosphere 9 is shell-like, and described to be set in every magnetosphere 9 on shell, the magnet 8 is set in every on magnetosphere 9.
The upper surface of support 12 is provided with pressure sensor, and the pressure sensor is electrically connected with the controller.
The column 15 is made up of high-carbon cast iron plate, and its phosphorus content is 3.5%-3.8%.90% in the open tubular column
Space is filled with cast iron powder, and a diameter of 600 μm of the cast iron powder.
The damping block includes cored slab and the perforated plate being arranged among cored slab, and is additionally provided with the cored slab
Damping fluid.
Pad between the column 15 and top panel 13 is located at the center of the upper surface of column 15, the column 15 and bottom
Pad between panel 14 is located at the center of the lower surface of column 15.
During the operation principle of the present invention：When audio amplifier powers off, now electromagnet 10 is not powered up, so can not produce
Magnetic field and loudspeaker 1 is suspended, so 1 most weight of loudspeaker is by made of support 12, and fraction is
It is made up of the flexible sealing material 11 between loudspeaker 1 and front panel 2；After audio amplifier is electrified, now electromagnet 10
Be powered startup simultaneously, then produces magnetic force according to pre-set magnetic field size, and the magnet being arranged on loudspeaker 1 is produced
Active force, and then cause loudspeaker 1 to suspend, most of gravity is offset by magnetic force, and fraction passes through flexible sealing material 11
It is made, that is, causes do not have active force between loudspeaker 1 and support 12, such loudspeaker also will not drives support 12 to shake in vibration
It is dynamic, and because flexible sealing material 11 is flexible, even if some vibration is delivered to by flexible sealing material
Voice box casing, that is also minimum；Then when audio amplifier powers off again, because electromagnet 10 is again without then electromagnet 10
Do not continue to work, now loudspeaker 1 can be fallen down under gravity, but because loudspeaker 1 suspend when with support 12 it
Between without distance or it is in small distance, so directly can be caught and then supported by support 12 when loudspeaker 1 does not suspend, so
Loudspeaker 1 will not be damaged.
And the control principle in terms of the application electrical equipment is：After audio amplifier is powered, if pressure sensor has received pressure,
Then represent that now loudspeaker 1 returns the pressure of support 12 1, do not suspend completely, so now controller can control and be arranged on bottom
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, the magnetic field around speaker magnets is matched with magnetic field set in advance, and then loudspeaker 1 is just hanged
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 system, including speaker body and foot stool, the speaker body include controller, voice box casing with
And loudspeaker (1), the voice box casing include front panel (2), rear board (3), left panel (4), right panel (5), bottom plate (6) with
And top plate (7), the front panel (2) are provided with a through hole to match with loudspeaker (1), it is characterised in that：The loudspeaker
(1) magnet (8) is provided with, and is provided between the loudspeaker (1) and magnet (8) made of NULL every magnetosphere (9), it is described
The electromagnet (10) for adsorbing magnet, Mei Ge electricity are equipped with left panel (4), right panel (5), bottom plate (6) and top plate (7)
Magnet (10) is provided with a magnetic field sensor for being used for induced field Strength Changes, the electromagnet (10) and magnetic field sensing
Device is electrically connected with the controller, and is also sealed and fixed by flexible sealing material (11) between loudspeaker (1) and front panel (2),
And the bottom plate (6) is provided with a support (12) for being used for the support speaker when electromagnet does not work；
The foot stool includes top panel (13), bottom panel (14) and is arranged on more between top panel (13) and bottom panel (14)
Root post (15), more root posts (15) are open tubular column, and cast iron powder is filled with the open tubular column, the top panel
(13) it is damping block, and the column (15) is connected with top panel (13) and bottom panel (14) using spot welding；
When work of electromagnet, loudspeaker can suspend in the presence of electromagnetic force, not have active force between loudspeaker and support；When
When electromagnet is stopped, loudspeaker position does not change, but loudspeaker can be withstood support by support.
2. vibration-damping speaker system according to claim 1, it is characterised in that：The mass component of the NULL is
3. vibration-damping speaker system according to claim 1, it is characterised in that：The center of the support (12) is provided with a confession
The flux bore (16) that magnetic force caused by electromagnet on bottom plate passes through.
4. vibration-damping speaker system 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. vibration-damping speaker system according to claim 1, it is characterised in that：The loudspeaker includes shell and is arranged on
Frame outside shell, the magnet (8) is shell-like, and the magnet (8) is set in outside shell.
6. vibration-damping speaker system according to claim 5, it is characterised in that：It is described every magnetosphere be shell-like, it is described every magnetosphere
(9) it is set on shell, the magnet (8) is set in every on magnetosphere (9).
7. vibration-damping speaker system according to claim 1, it is characterised in that：Support (12) upper surface passes provided with pressure
Sensor, and the pressure sensor is electrically connected with the controller.
8. vibration-damping speaker system according to claim 1, it is characterised in that：The column (15) is by high-carbon cast iron plate system
Into, and its phosphorus content is 3.5%-3.8%；90% space is filled with cast iron powder, and the cast iron powder in the open tubular column
A diameter of 600 μm.
9. vibration-damping speaker system according to claim 1, it is characterised in that：The damping block includes cored slab and setting
Perforated plate among cored slab, and it is additionally provided with damping fluid in the cored slab.
10. vibration-damping speaker system according to claim 1, it is characterised in that：The column (15) and top panel (13) it
Between pad be located at the center of column (15) upper surface, the pad between the column (15) and bottom panel (14) is positioned at vertical
The center of post (15) lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510624286.5A CN105142066B (en) | 2015-09-25 | 2015-09-25 | Vibration-damping speaker system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510624286.5A CN105142066B (en) | 2015-09-25 | 2015-09-25 | Vibration-damping speaker system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105142066A CN105142066A (en) | 2015-12-09 |
| CN105142066B true CN105142066B (en) | 2018-04-10 |
Family
ID=54727250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510624286.5A Active CN105142066B (en) | 2015-09-25 | 2015-09-25 | Vibration-damping speaker system |
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| Country | Link |
|---|---|
| CN (1) | CN105142066B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113099002B (en) * | 2021-03-31 | 2022-06-03 | 深圳市骏格科技有限公司 | Audio fixing structure for 5G smart phone |
| CN113179463A (en) * | 2021-04-27 | 2021-07-27 | 深圳市瀚宏数码科技有限公司 | Sound box with function of preventing resonance of box body |
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 CN201510624286.5A patent/CN105142066B/en active Active
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 |
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| Publication number | Publication date |
|---|---|
| CN105142066A (en) | 2015-12-09 |
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Inventor after: Yan Jun Inventor before: Li Ziquan |
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