CN113112975A - Sound absorption plate with electromagnetic sound absorption structure - Google Patents
Sound absorption plate with electromagnetic sound absorption structure Download PDFInfo
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- CN113112975A CN113112975A CN202110425794.6A CN202110425794A CN113112975A CN 113112975 A CN113112975 A CN 113112975A CN 202110425794 A CN202110425794 A CN 202110425794A CN 113112975 A CN113112975 A CN 113112975A
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- sound
- plate
- electromagnetic
- sound absorption
- vibrating
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- 238000010521 absorption reaction Methods 0.000 title abstract description 24
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 239000012528 membrane Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000010618 wire wrap Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to the technical field of sound absorption plates, and particularly relates to a sound absorption plate with an electromagnetic sound absorption structure, which mainly comprises a plate body, wherein a plurality of vibration films are uniformly arranged in the plate body, a vibration plate is connected between an upper connector and a lower connector before the vibration films are connected, an electromagnetic coil is arranged on the vibration plate, the electromagnetic coil is electrically connected with the connectors, and the connectors are externally connected with a driver.
Description
Technical Field
The invention relates to the technical field of sound absorption boards, in particular to a sound absorption board with an electromagnetic sound absorption structure.
Background
The sound absorption board just is to eliminate or fall the noise treatment after spreading the sound absorption board position with the sound that produces to reach the purpose that reduces the echo or reduce outside sound diffusion, the structure of current sound absorption board adopts mostly to make based on porous sound absorption structure, resonance sound absorption structure and special sound absorption structure, its effect is general, can only passively carry out the sound absorption operation, causes the sound absorption effect not obvious, inconvenient use.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional sound-absorbing panel.
Therefore, an object of the present invention is to provide a sound absorbing panel with an electromagnetic sound absorbing structure, which can actively eliminate generated sound through the electromagnetic structure, reduce sound diffusion and echo, and is convenient to use.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
the utility model provides a sound-absorbing board with electromagnetism sound absorption structure, this sound-absorbing board mainly comprises the plate body, align to grid has a plurality of diaphragms, and is a plurality of before being connected with the connection between the diaphragm, be connected with the vibration board between two upper and lower connectors, install the electromagnetic coil on the vibration board, electromagnetic coil and connector electric connection, the connector is external to have the driver.
As a preferable aspect of the sound-absorbing panel having an electromagnetic sound-absorbing structure according to the present invention, wherein: the outer wall fixedly connected with nylon rope of vibrating diaphragm, the nylon rope is connected with the vibrating diaphragm through the mode of wire-wrapping.
As a preferable aspect of the sound-absorbing panel having an electromagnetic sound-absorbing structure according to the present invention, wherein: the vibrating plate is a foam plate, an insulating plate is arranged between the vibrating plate and the electromagnetic coil, and an annular through hole is formed in the inner side of the electromagnetic coil corresponding to the position of the vibrating plate.
As a preferable aspect of the sound-absorbing panel having an electromagnetic sound-absorbing structure according to the present invention, wherein: the vibrating plate is provided with a plurality of inclined through holes.
Compared with the prior art, the invention has the beneficial effects that: the structure of current sound-absorbing board is mostly adopted based on porous sound-absorbing structure, resonance sound-absorbing structure and special sound-absorbing structure make, its effect is general, can only be passive carry out the sound absorption operation, it is not obvious to cause the sound absorption effect, inconvenient use, in this application file, sound through adopting a plurality of connections is dispersed the back and is offset through the vibration that produces with the electromagnetic coil on the vibration board, continuous dispersion operation through a plurality of diaphragms, thereby realize the mesh of amortization, convenient to use, the effect of the amortization of improvement initiative.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic system diagram of an acoustic panel having an electromagnetic sound absorbing structure according to the present invention;
fig. 2 is a schematic diagram of a vibrating plate structure of a sound absorbing panel with an electromagnetic sound absorbing structure according to the present invention.
In the figure: 100 plate bodies, 110 vibrating membranes, 120 connectors, 130 vibrating plates, 131 electromagnetic coils.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a sound absorption plate with an electromagnetic sound absorption structure, please refer to fig. 1-2, the sound absorption plate is mainly composed of a plate body 100, a plurality of vibration films 110 are uniformly arranged in the plate body 100, before the connection between the plurality of vibration films 110, a vibration plate 130 is connected between an upper connector 120 and a lower connector 120, an electromagnetic coil 131 is installed on the vibration plate 130, the electromagnetic coil 131 is electrically connected with the connectors 120, and the connectors 120 are externally connected with a driver.
Referring to fig. 1 again, the outer wall of the diaphragm 110 is fixedly connected with a nylon rope, the nylon rope is connected with the diaphragm 110 in a winding manner, and the nylon rope can reduce the vibration effect of the diaphragm 110 and improve the vibration efficiency.
Referring to fig. 2 again, the vibrating plate 130 is a foam plate, an insulating plate is installed between the vibrating plate 130 and the electromagnet 131, an annular through hole is formed on the inner side of the electromagnet 131 corresponding to the vibrating plate 130, the insulating plate is used for reducing electromagnetic influence between the electromagnet 131 and the vibrating plate 130, and the annular through hole can reduce excessive energy reflection generated during sound energy cancellation, thereby facilitating secondary energy cancellation.
Referring to fig. 1 again, the vibrating plate 130 is provided with a plurality of inclined through holes, and the inclined through holes can increase the transmission distance of sound, thereby increasing the number of times of contacting the sound with the vibrating plate 130, and facilitating the vibration reduction and noise reduction operation.
In a specific using process, after the plate body 100 is installed and fixed, sound generated from the outside is transmitted to the outer wall of the plate body 100 and contacts with the vibrating membrane 110 on the plate body 100, the vibrating membranes 110 on the two sides vibrate, energy generated by vibration is dispersed and then output to the vibrating plate 130, an external driver is controlled to generate an electromagnetic field, an electrified coil is acted by force in the magnetic field to generate vibration, the vibrating plate 130 is driven to vibrate and offset with the vibration generated from the outside, redundant vibration energy enters into the through hole on the vibrating plate 130, and the purpose of noise elimination is finally achieved through the multilayer vibrating plate 130 and the vibrating membrane 110.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. An acoustic panel having an electromagnetic sound absorbing structure, characterized in that: this acoustic baffle mainly comprises plate body (100), align to grid has a plurality of vibrating diaphragms (110) in plate body (100), and is a plurality of before being connected with between vibrating diaphragm (110), be connected with vibration board (130) between two upper and lower connectors (120), install electromagnetic coil (131) on vibration board (130), electromagnetic coil (131) and connector (120) electric connection, connector (120) are external to have the driver.
2. The sound-absorbing panel having an electromagnetic sound-absorbing structure as claimed in claim 1, wherein: the outer wall fixedly connected with nylon rope of vibrating diaphragm (110), the nylon rope is connected with vibrating diaphragm (110) through the mode of wire winding.
3. The sound-absorbing panel having an electromagnetic sound-absorbing structure as claimed in claim 1, wherein: the vibrating plate (130) is a foam plate, an insulating plate is arranged between the vibrating plate (130) and the electromagnetic coil (131), and a ring-shaped through hole is formed in the inner side of the electromagnetic coil (131) corresponding to the position of the vibrating plate (130).
4. A sound-absorbing panel having an electromagnetic sound-absorbing structure as set forth in claim 3, wherein: the vibrating plate (130) is provided with a plurality of inclined through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425794.6A CN113112975A (en) | 2021-04-20 | 2021-04-20 | Sound absorption plate with electromagnetic sound absorption structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425794.6A CN113112975A (en) | 2021-04-20 | 2021-04-20 | Sound absorption plate with electromagnetic sound absorption structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113112975A true CN113112975A (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110425794.6A Pending CN113112975A (en) | 2021-04-20 | 2021-04-20 | Sound absorption plate with electromagnetic sound absorption structure |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008092430A (en) * | 2006-10-04 | 2008-04-17 | Toyota Motor Corp | Speaker apparatus and exhaust noise suppressing device |
| CN105339701A (en) * | 2013-06-19 | 2016-02-17 | Thk株式会社 | Sound reduction or vibration damping device and structural member |
| CN106601223A (en) * | 2016-11-21 | 2017-04-26 | 浙江大学 | Device of realizing adjustable sound absorption performance based on magnetorheological effect |
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| CN107424598A (en) * | 2017-08-23 | 2017-12-01 | 北京市劳动保护科学研究所 | A kind of electromagnetic induction film resonance sound-absorbing structure and method |
| CN107680576A (en) * | 2017-09-07 | 2018-02-09 | 国家电网公司 | Active frequency follows phonon crystal and its noise-reduction method |
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| US20190058941A1 (en) * | 2016-02-08 | 2019-02-21 | Universite Paris-Sud | Acoustic absorber, acoustic wall and method for design and production |
| CN111489728A (en) * | 2019-12-13 | 2020-08-04 | 中国舰船研究设计中心 | Active acoustic metamaterial based on local resonance |
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| CN112037807A (en) * | 2020-08-24 | 2020-12-04 | 华帝股份有限公司 | Noise reduction structure, kitchen appliance applying same and noise reduction control method |
| CN112104951A (en) * | 2019-06-17 | 2020-12-18 | 香港大学浙江科学技术研究院 | Adjustable sound absorption board |
| CN212782714U (en) * | 2020-08-24 | 2021-03-23 | 华帝股份有限公司 | Noise reduction structure and kitchen appliance using same |
-
2021
- 2021-04-20 CN CN202110425794.6A patent/CN113112975A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008092430A (en) * | 2006-10-04 | 2008-04-17 | Toyota Motor Corp | Speaker apparatus and exhaust noise suppressing device |
| CN105339701A (en) * | 2013-06-19 | 2016-02-17 | Thk株式会社 | Sound reduction or vibration damping device and structural member |
| US20190058941A1 (en) * | 2016-02-08 | 2019-02-21 | Universite Paris-Sud | Acoustic absorber, acoustic wall and method for design and production |
| CN106601223A (en) * | 2016-11-21 | 2017-04-26 | 浙江大学 | Device of realizing adjustable sound absorption performance based on magnetorheological effect |
| CN108810758A (en) * | 2017-05-04 | 2018-11-13 | 柳江 | A kind of diaphragm type acoustic wave transducer |
| CN107274880A (en) * | 2017-07-04 | 2017-10-20 | 北京市劳动保护科学研究所 | A kind of non-linear magnetic force negative stiffness Active Absorption device |
| CN107240390A (en) * | 2017-07-12 | 2017-10-10 | 北京市劳动保护科学研究所 | A kind of magnetostriction sound absorption structure |
| CN107424598A (en) * | 2017-08-23 | 2017-12-01 | 北京市劳动保护科学研究所 | A kind of electromagnetic induction film resonance sound-absorbing structure and method |
| CN107680576A (en) * | 2017-09-07 | 2018-02-09 | 国家电网公司 | Active frequency follows phonon crystal and its noise-reduction method |
| CN112104951A (en) * | 2019-06-17 | 2020-12-18 | 香港大学浙江科学技术研究院 | Adjustable sound absorption board |
| CN111489728A (en) * | 2019-12-13 | 2020-08-04 | 中国舰船研究设计中心 | Active acoustic metamaterial based on local resonance |
| CN111938534A (en) * | 2020-08-24 | 2020-11-17 | 华帝股份有限公司 | Noise reduction structure, dish washing machine applying noise reduction structure and noise reduction control method |
| CN112037807A (en) * | 2020-08-24 | 2020-12-04 | 华帝股份有限公司 | Noise reduction structure, kitchen appliance applying same and noise reduction control method |
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