CN113112975B - Sound absorbing plate with electromagnetic sound absorbing structure - Google Patents
Sound absorbing plate with electromagnetic sound absorbing structure Download PDFInfo
- Publication number
- CN113112975B CN113112975B CN202110425794.6A CN202110425794A CN113112975B CN 113112975 B CN113112975 B CN 113112975B CN 202110425794 A CN202110425794 A CN 202110425794A CN 113112975 B CN113112975 B CN 113112975B
- Authority
- CN
- China
- Prior art keywords
- sound absorbing
- plate
- electromagnetic
- vibrating
- sound
- 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.)
- Active
Links
- 239000012528 membrane Substances 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
The application discloses a sound absorbing board with an electromagnetic sound absorbing structure, which belongs to the technical field of sound absorbing boards, and particularly relates to a sound absorbing board with an electromagnetic sound absorbing structure.
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 absorbing board eliminates or carries out noise reduction treatment after the generated sound is transmitted to the position of the sound absorbing board so as to achieve the purpose of reducing echo or reducing external sound diffusion, and most of the structures of the existing sound absorbing board are manufactured based on a porous sound absorbing structure, a resonance sound absorbing structure and a special sound absorbing structure.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present invention has been made in view of the above and/or problems occurring in the prior art acoustic panels.
Therefore, the invention aims to provide the sound absorption board with the electromagnetic sound absorption structure, which can actively eliminate generated sound through the electromagnetic structure, reduce sound diffusion and echo generation and is convenient to use.
In order to solve the technical problems, according to one aspect of the present invention, the following technical solutions are provided:
The utility model provides a sound-absorbing board with electromagnetism sound-absorbing structure, this sound-absorbing board mainly comprises the plate body, evenly arranged has a plurality of diaphragms in the plate body, a plurality of before being connected with between the diaphragms, be connected with the vibrating plate between two upper and lower connectors, install the electromagnetic coil on the vibrating plate, electromagnetic coil and connector electric connection, the connector external has the driver.
As a preferred embodiment of the sound-absorbing panel with 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 passes through the mode of wiring and is connected with the vibrating diaphragm.
As a preferred embodiment of the sound-absorbing panel with an electromagnetic sound-absorbing structure according to the present invention, wherein: the vibration board is the foam board, install the insulation board between vibration board and the electromagnetic ring, the inboard of electromagnetic ring is opened corresponding vibration board's position has annular through-hole.
As a preferred embodiment of the sound-absorbing panel with 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 application has the beneficial effects that: the structure of the existing sound absorbing board is mostly manufactured based on a porous sound absorbing structure, a resonance sound absorbing structure and a special sound absorbing structure, the effect is general, only the sound absorbing operation can be performed passively, the sound absorbing effect is not obvious, and the sound absorbing board is inconvenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present invention, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of a system for providing an acoustic panel having an electromagnetic sound absorbing structure in accordance with the present invention;
fig. 2 is a schematic view of a vibration plate structure of a sound absorbing plate having an electromagnetic sound absorbing structure according to the present invention.
In the figure: 100 plate body, 110 vibrating membrane, 120 connector, 130 vibrating plate, 131 electromagnetic coil.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.
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 other than those described herein, and persons skilled in the art will readily appreciate that 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 the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, 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 actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-2, the sound absorbing board is mainly composed of a board body 100, a plurality of vibrating membranes 110 are uniformly arranged in the board body 100, a vibrating plate 130 is connected between an upper connector 120 and a lower connector 120 before the vibrating membranes 110 are connected, an electromagnetic coil 131 is mounted on the vibrating plate 130, the electromagnetic coil 131 is electrically connected with the connectors 120, and a driver is externally connected with the connectors 120.
Referring to fig. 1 again, the outer wall of the diaphragm 110 is fixedly connected with a nylon rope, and the nylon rope is connected with the diaphragm 110 in a wire-wound manner, so that the vibration influence of the diaphragm 110 can be reduced and the vibration efficiency can be improved.
Referring to fig. 2 again, the vibration plate 130 is a foam plate, an insulating plate is installed between the vibration plate 130 and the electromagnetic coil 131, an annular through hole is formed in the inner side of the electromagnetic coil 131 corresponding to the position of the vibration plate 130, the insulating plate is used for reducing electromagnetic influence between the electromagnetic coil 131 and the vibration plate 130, and the annular through hole can reduce redundant energy reflection generated during sound energy cancellation, so that secondary energy cancellation is facilitated.
Referring to fig. 1 again, the vibration plate 130 is provided with a plurality of inclined through holes, which can increase the transmission distance of sound, thereby increasing the contact times between the sound and the vibration plate 130 and facilitating vibration reduction and noise reduction.
In a specific use process, after the plate body 100 is installed and fixed, externally generated sound is transmitted to the outer wall of the plate body 100, the externally generated sound is in contact with the vibrating membranes 110 on the plate body 100, the vibrating membranes 110 on two sides vibrate, energy generated by vibration is dispersed and then is output to the vibrating plates 130, an external driver is controlled to generate an electromagnetic field, an electrified coil receives force in the magnetic field to generate vibration, the vibrating plates 130 are driven to vibrate and offset with vibration generated by the outside, redundant vibration energy enters into through holes in the vibrating plates 130, and finally the purpose of silencing is achieved through the multilayer vibrating plates 130 and the vibrating membranes 110.
Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment 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: the sound absorbing plate mainly comprises a plate body (100), a plurality of vibrating membranes (110) are uniformly arranged in the plate body (100), connectors are connected between the vibrating membranes (110), a vibrating plate (130) is connected between an upper connector and a lower connector (120), an electromagnetic coil (131) is arranged on the vibrating plate (130), the electromagnetic coil (131) is electrically connected with the connectors (120), and a driver is externally connected with the connectors (120).
2. A sound absorbing panel having an electromagnetic sound absorbing structure as claimed in claim 1, wherein: the outer wall of the vibrating diaphragm (110) is fixedly connected with a nylon rope, and the nylon rope is connected with the vibrating diaphragm (110) in a winding manner.
3. A 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 an annular through hole is formed in the inner side of the electromagnetic coil (131) corresponding to the vibrating plate (130).
4. A sound absorbing panel having an electromagnetic sound absorbing structure as claimed in claim 3, wherein: a plurality of inclined through holes are formed in the vibration plate (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425794.6A CN113112975B (en) | 2021-04-20 | 2021-04-20 | Sound absorbing plate with electromagnetic sound absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425794.6A CN113112975B (en) | 2021-04-20 | 2021-04-20 | Sound absorbing plate with electromagnetic sound absorbing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113112975A CN113112975A (en) | 2021-07-13 |
| CN113112975B true CN113112975B (en) | 2024-06-11 |
Family
ID=76719476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110425794.6A Active CN113112975B (en) | 2021-04-20 | 2021-04-20 | Sound absorbing plate with electromagnetic sound absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113112975B (en) |
Citations (13)
| 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 |
| 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 |
| 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 |
| 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 |
| CN108810758A (en) * | 2017-05-04 | 2018-11-13 | 柳江 | A kind of diaphragm type acoustic wave transducer |
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3047600B1 (en) * | 2016-02-08 | 2018-02-02 | Universite Paris-Sud | ACOUSTIC ABSORBER, ACOUSTIC WALL AND METHOD OF DESIGN AND MANUFACTURE |
-
2021
- 2021-04-20 CN CN202110425794.6A patent/CN113112975B/en active Active
Patent Citations (13)
| 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 |
| 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 |
| CN212782714U (en) * | 2020-08-24 | 2021-03-23 | 华帝股份有限公司 | Noise reduction structure and kitchen appliance using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113112975A (en) | 2021-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102354493B (en) | Controllable underwater acoustic board | |
| CN1741127B (en) | Reciprocating vibration energy-dissipation acoustic structure | |
| CN101533638A (en) | Sound absorber with resonator | |
| CN113112975B (en) | Sound absorbing plate with electromagnetic sound absorbing structure | |
| CN201576548U (en) | Denoise structure of power transformer | |
| CN201526131U (en) | Suspended ceiling structure for sound diffusion | |
| CN210778219U (en) | Dry-type transformer with sound absorption effect | |
| CN204458042U (en) | A kind of low noise casing tank wall noise reduction composite structure | |
| CN212936145U (en) | Bone conduction vibrator | |
| CN215578141U (en) | Noise reduction processing device for 110kV transformer | |
| CN219033609U (en) | Novel environmental protection baffle of making an uproar that falls | |
| CN217333823U (en) | Box type sound insulation reactor | |
| CN220457589U (en) | T iron for loudspeaker | |
| CN208190437U (en) | A kind of noise circulatory system of motor | |
| CN112032246A (en) | Vibration isolation structure of noise reduction and vibration isolation structure | |
| CN220849847U (en) | Noise reduction device of diesel generating set | |
| CN221095478U (en) | Dedicated sound insulation wallboard of building | |
| CN211398481U (en) | Low-noise gear | |
| CN218779937U (en) | Aluminum template with silencing mechanism | |
| CN210827895U (en) | Environment-friendly sound insulation board | |
| CN219281009U (en) | Aluminum plate curtain wall with sound insulation effect | |
| CN217718624U (en) | Noise reduction structure inside computer case | |
| CN215805165U (en) | Mute permanent magnet frequency conversion screw air compressor | |
| CN212450200U (en) | Mute passenger elevator | |
| CN219033867U (en) | Sound insulation and absorption decoration module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |