WO2018040394A1 - Module de haut-parleur - Google Patents

Module de haut-parleur Download PDF

Info

Publication number
WO2018040394A1
WO2018040394A1 PCT/CN2016/111112 CN2016111112W WO2018040394A1 WO 2018040394 A1 WO2018040394 A1 WO 2018040394A1 CN 2016111112 W CN2016111112 W CN 2016111112W WO 2018040394 A1 WO2018040394 A1 WO 2018040394A1
Authority
WO
WIPO (PCT)
Prior art keywords
aluminosilicate
particles
zeolite
zeolite particles
free
Prior art date
Application number
PCT/CN2016/111112
Other languages
English (en)
Chinese (zh)
Inventor
曹晓东
刘金利
Original Assignee
歌尔股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 歌尔股份有限公司 filed Critical 歌尔股份有限公司
Publication of WO2018040394A1 publication Critical patent/WO2018040394A1/fr

Links

Images

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
    • H04R9/06—Loudspeakers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/06—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis
    • C01B39/08—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis the aluminium atoms being wholly replaced
    • 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
    • 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

Definitions

  • the invention belongs to the technical field of loudspeakers, and in particular to a loudspeaker module.
  • the speaker module is an indispensable component in electro-acoustic products.
  • the speaker module is usually composed of a casing and a speaker unit, and the speaker unit divides the inner cavity of the module casing into two chambers of a front sound chamber and a rear sound chamber.
  • a sound absorbing member is usually added in the rear sound chamber, and the sound absorbing member absorbs part of the sound energy, which is equivalent to expanding the volume of the rear cavity, thereby Achieve the effect of reducing the module F0.
  • Conventional sound absorbing members are foamed foams such as polyurethane, melamine and the like.
  • a porous material such as activated carbon, natural zeolite powder, active silica, molecular sieve or according to a specific type and ratio
  • the mixture is filled into the rear acoustic cavity, and the special physical pore structure inside the porous material is used to realize rapid adsorption-desorption of the gas in the rear acoustic cavity, thereby achieving the effect of virtually increasing the resonance space of the acoustic cavity after the speaker.
  • This method can reduce the resonant frequency F0 of the speaker and improve the sensitivity of the low frequency sound.
  • a speaker module comprising:
  • module housing having a receiving cavity
  • a speaker assembly disposed in the accommodating cavity, the speaker assembly dividing the accommodating cavity into a rear acoustic cavity and a front sounding zone;
  • the aluminosilicate-free zeolite particles being composed of the zeolite raw powder particles bonded by an adhesive;
  • the zeolite raw powder particles have a first-order pore having a pore diameter ranging from 0.3 to 20 nm, and in the aluminosilicate-free zeolite particles, the zeolite raw powder particles have a second-order pore between them .
  • the primary channel comprises micropores and/or mesopores, the micropores having a pore size of less than 2 nm, and the mesopores having a pore size ranging from 2 to 20 nm. More preferably, the pores have a pore size ranging from 0.4 to 0.8 nm, and the mesopores have a pore size ranging from 2 to 10 nm.
  • the zeolite raw powder particles are prepared by hydrothermal crystallization of a silicon source material, a templating agent, and an auxiliary material.
  • the zeolite raw powder particles are of an MFI zeolite structure.
  • the aluminosilicate-free zeolite particles have a specific surface area ranging from 250 to 550 m 2 /g.
  • the aluminosilicate-free zeolite particles have a surface layer binder content higher than the internal binder content.
  • the aluminosilicate-free zeolite particles are spherical or ellipsoidal, and the aluminosilicate-free zeolite particles have an aspect ratio of less than 1.5 and a particle size ranging from 0.05 to 0.50 mm.
  • the aluminosilicate-free zeolite particles have an elastic deformation displacement greater than 20 microns.
  • the virgin powder particles have a particle size ranging from 0.2 to 5 microns.
  • the mass ratio of the binder in the aluminosilicate-free zeolite particles ranges from 5 to 15%.
  • the aluminosilicate-free zeolite particles contain a doping element, and the doping element includes at least one of boron, iron, titanium, potassium, calcium, tin, antimony, and cerium.
  • the inventors of the present invention have found that in the prior art, a novel non-foamed porous sound absorbing material It has a better sound absorbing effect than the conventional sound absorbing material, and the performance of the new non-foaming sound absorbing material is generally recognized by those skilled in the art. Therefore, in the case where it is required to further reduce the resonance frequency of the speaker, those skilled in the art will select a technical means for improving the structure of the speaker. Further research and improvement on the acoustic properties of non-foamed sound absorbing materials will not be considered. Therefore, the technical task to be achieved by the present invention or the technical problem to be solved is not thought of or expected by those skilled in the art, so the present invention is a new technical solution.
  • Figure 1 is a schematic view of the aluminosilicate-free zeolite particles provided by the present invention
  • FIG. 2 is a microscopic schematic view of the aluminosilicate-free zeolite particles provided by the present invention
  • Figure 3 is a graph showing the anti-aging performance of zeolite particles of different structures
  • Figure 4 is a graph showing the internal composition of the aluminosilicate-free zeolite particles provided by the present invention.
  • the invention provides a speaker module, which comprises a module housing, a speaker assembly and aluminosilicate-free zeolite particles.
  • the module housing has a receiving cavity therein, and the speaker assembly is disposed in the receiving cavity.
  • the speaker assembly typically includes a vibrating assembly, a magnetic circuit assembly, etc., and the speaker assembly divides the receiving chamber into a front sounding zone and a rear sounding cavity.
  • the vibration component generates vibration according to the received sound signal to emit a sound, and the sound propagates from the front sounding area to the outside of the speaker module.
  • the sound that propagates from the vibrating assembly to the rear chamber is absorbed by the rear chamber.
  • zeolite raw powder particles 1 are filled in the rear acoustic chamber for adsorbing the air in the acoustic chamber, and the aluminosilicate-free zeolite particles 1 are bonded by the zeolite raw powder particles through an adhesive. form.
  • the aluminosilicate-free zeolite particles 1 of the present invention means that the zeolite particles and the zeolite raw powder particles do not contain aluminum. It is detected as an aluminum-free element by atomic absorption spectroscopy or atomic fluorescence spectroscopy. Doping elements such as rare earth elements, boron, iron, titanium, potassium, calcium, tin, etc. may be present in the aluminosilicate-free zeolite particles 1 or the zeolite raw powder particles for surface modification and modification of the zeolitic material. ⁇ , ⁇ , etc.
  • the aluminosilicate-free zeolite particles 1 have a significant improvement in adsorption-desorption of air molecules and anti-aging ability in comparison with aluminosilicate zeolite particles having a silicon to aluminum ratio of 420. .
  • a quantity of 0.15 g of the aluminosilicate-free zeolite particles 1 or aluminosilicate 420 particles of aluminosilicate ratio of 420 was filled in, as shown in the following table:
  • Silicate zeolite particle sample Aluminum free Silicon to aluminum ratio 420 Resonance frequency variation ⁇ F0 (Hz) 66.3 38.4
  • the aluminosilicate-free zeolite particles 1 reduced the resonant frequency F0 of the post-acoustic cavity test tool by 66.3 Hz, while the aluminosilicate zeolite particles of the silicon-aluminum ratio of 420 reduced the resonant frequency F0 by 38.4. It can be seen that the aluminosilicate-free zeolite particles have stronger adsorption-desorption ability to air.
  • the aluminosilicate zeolite particles 1 and the aluminosilicate zeolite particles having a ratio of silicon to aluminum of 420 are subjected to an aging test, and the two zeolite particles are respectively placed in a natural environment for a predetermined time, and then the zeolite particles are quantitatively filled into the back cavity.
  • the resonance frequency variation ⁇ F0 is tested as shown in the following table:
  • the aluminosilicate-free zeolite particles can still reduce the resonance frequency ⁇ F0 of the post-acoustic cavity simulation test tool by 59.3 Hz after being left for 168 hours, while the aluminosilicate zeolite particles of the silicon-aluminum ratio of 420 are placed for 168 hours. Only the resonance frequency ⁇ F0 of the rear cavity simulation test tool can be lowered by 16.3 Hz. It can be seen that the anti-aging properties of the aluminosilicate-free zeolite particles are better.
  • the aluminosilicate zeolite particles and the aluminosilicate-free zeolite particles have similar physical properties. From the above comparison, it can be confirmed that since the aluminosilicate-free zeolite particles have different microstructures, the microporous structure and the pore connectivity are better, so that the aluminosilicate-free zeolite particles are adsorbed-desorbed with air molecules. Both ability and anti-aging ability have considerable advantages.
  • the fine particles of the zeolitic powder have a first-order pore, and the primary pore has a pore size ranging from 0.3 to 20 nm.
  • the first-stage tunnel is used for adsorbing and compressing air.
  • the air pressure in the rear sound chamber is increased, and the air in the rear sound chamber can enter the first-level tunnel and be compressed and adsorbed in the first-stage tunnel. In this way, without changing the actual volume of the rear cavity, it is equivalent to increasing the virtual space of the rear cavity, thereby increasing the adsorption amount of the air, thereby reducing the resonance frequency F0 of the speaker.
  • the aluminosilicate-free zeolite particles 1 of the present invention are formed by the bonding of the zeolite raw powder particles 11, as shown in Fig. 2, the second layer of pores are formed between the zeolite raw powder particles 11, that is, the aluminosilicate-free zeolite particles. 3.
  • the function of the secondary tunnel 3 is to enable the air of the rear sound chamber to smoothly and quickly enter and exit the first-level tunnel, and the secondary tunnel 3 provides a passage for the rapid flow of air. In this way, when the speaker assembly is rapidly vibrated to cause high-frequency changes in the air pressure of the rear sound chamber, the aluminosilicate-free zeolite particles can quickly adsorb and release air, thereby improving the sound response sensitivity of the speaker module.
  • the speaker module provided by the invention has a lower resonance frequency and has good response sensitivity to low frequency sound signals. Further, the speaker module of the present invention has a longer service life, and the acoustic performance of the module is attenuated at a slower speed. Under normal use, the speed of the attenuation is an acceptable range.
  • the diameter distribution of the first-order pores in the original zeolite powder is concentrated, which is mainly determined by the raw powder synthesis parameters such as temperature, time, and type of template.
  • the pore diameter of the secondary channel 3 is mainly affected by the particle size of the zeolite raw powder particles 11, the selection of the binder system, the molding process, and the like.
  • the primary channel comprises micropores 21 and/or mesopores 22 having a pore size of less than 2 nm and a pore size of the mesopores 22 ranging from 2 to 20 nm.
  • the pore size of the micropores 21 is close to the size of the air molecules.
  • the micropores 21 can effectively accommodate air molecules and provide space for compression and adsorption of the air.
  • the mesopores 22 provide a smooth flow path for the air in and out of the microholes 21, which in turn can also contain air molecules, providing a space for compressing and adsorbing air.
  • the pore size of the micropores 21 is concentrated at 0.4 nm to 0.8 nm, and the pore diameter of the mesopores 22 is concentrated at 2 nm to 10 nm.
  • the aluminosilicate-free zeolite particles are capable of minimizing the resonant frequency of the speaker module.
  • the pore diameter of the micropores 21 is generally less than 0.4 nm, it is difficult for the nitrogen molecules in the air molecules to enter the micropores 21, or the micropores 21 may be blocked, and the adsorption and compression of the air may not be formed; and when the pore diameter of the micropores 21 is generally larger than At 0.8 nm, an excessively large pore size cannot obtain a large specific surface area, resulting in a decrease in nitrogen adsorption amount, and both of the above conditions degrade the performance of the aluminosilicate-free zeolite particles to lower the resonance frequency.
  • a preferred embodiment of the invention is that the pore size of the pores is concentrated between 0.4 nm and 0.8 nm, and the pore size of the mesopores 22 is concentrated between 2 nm and 10 nm.
  • the original zeolite powder of the present invention is directly hydrothermally crystallized by a silicon source material and a templating agent.
  • Zeolite raw powder particles having a microscopic zeolite structure should be constructed.
  • the aluminum element is not introduced into the artificially synthesized zeolite raw powder with respect to the conventional aluminosilicate zeolite.
  • other auxiliary materials such as rare earth elements, boron, iron, titanium, potassium, calcium, tin, antimony, bismuth and other doping elements may be added during the hydrothermal crystallization reaction.
  • a porous structure is formed.
  • the amount and type of the templating agent can also be selected according to the conditions for synthesizing the original zeolite powder.
  • the microscopic framework structure of the zeolite raw powder particles also has an effect on the aging resistance and air adsorption-desorption performance of the aluminosilicate-free zeolite particles.
  • the zeolite raw powder particles provided by the present invention have an MFI structure, and the aluminosilicate-free zeolite particles formed by the zeolite raw powder particles having the MFI structure can significantly reduce the resonance frequency of the speaker module.
  • the aging-free silicate zeolite particles having the MFI structure have better anti-aging properties.
  • the MFI structure of the original zeolite particles has a specific three-dimensional skeleton structure at the microscopic level, and the formed pore structure is favorable for the rapid adsorption and desorption of air molecules, so that the resonance frequency effect and the anti-aging ability are well exhibited.
  • the pore structure formed by other non-MFI structure of the original zeolite powder is not conducive to rapid desorption of adsorbed air molecules, resulting in blockage of the pores, resulting in aging failure in the natural environment.
  • the zeolite particles having the DDR, BEA, and MFI structures are taken as an example for comparison.
  • the MFI structure zeolite particles cause the change amount of the resonance frequency of the post-acoustic cavity simulation test tool to be ⁇ F0 in the unaged state.
  • the amount of change ⁇ F0 produced by the MFI structure zeolite particles is only reduced by 10%, while the amount of change ⁇ F0 produced by the non-MFI zeolite particles under the same conditions is reduced by 30% to 40%, respectively.
  • the zeolite raw powder particles having the MFI structure have better effects in improving the resonance frequency of the speaker module, and are better in anti-natural aging performance.
  • the specific surface area of the aluminosilicate-free zeolite particles also has an effect on the properties of its adsorption-desorption air.
  • the zeolite particles have a specific surface area in the range of 250 -550m 2 /g. Five kinds of aluminosilicate-free zeolite particles with different specific surface areas and similar physical properties were compared, and the variation ⁇ F0 generated by the above-mentioned resonance frequency of the post-acoustic cavity simulation test tool was used as a standard, as shown in the following table:
  • the aluminosilicate-free zeolite particles having a specific surface area of 330-450 m 2 /g have the largest change amount ⁇ F0 of the resonance frequency of the speaker module, and the resonance response frequency decreases more. If the specific surface area of the zeolite particles is large, it means to a large extent that the zeolite particles can adsorb a large amount of air molecules. However, after the specific surface is increased to a specific peak, the pore structure inside the zeolite particles is more complicated and curved, and the gas flow stroke becomes longer.
  • the aluminosilicate-free zeolite particles have a specific surface area in the range of from 330 to 450 m 2 /g.
  • the aluminosilicate-free zeolite particles of the present invention are formed from zeolite raw powder particles by an adhesive. Zeolite particles have a certain elasticity. When the speaker module is in operation, the resonance response frequency can reach 800-1KHz, which causes high-frequency vibration of the non-foaming sound absorbing material particles and friction between particles, which causes the particles to produce fine powder or even break, which affects the optimization of the acoustic performance of the zeolite module by the zeolite particles. Debugging effect. To a certain extent, the overall strength of the aluminosilicate-free zeolite particles is proportional to the amount of binder.
  • the binder may cause clogging of the primary pores of the original zeolite powder, or may have a significant influence on the pore size, pore structure and the like of the micropores, thereby attenuating its adsorption-desorption performance to air.
  • the selection and addition amount of the binder system has a significant influence on the anti-aging and anti-pollution properties of the aluminosilicate-free zeolite particles.
  • elastomeric zeolite particles have significant advantages in terms of wear resistance and resistance to transient mechanical impact.
  • a rigid zeolite particle having a particle diameter of 0.25-0.35 mm and an elastic deformation displacement of less than 20 ⁇ m is used for a certain period of time in a speaker module of rated power, and fine particles of zeolite particles appear in the cavity and the zeolite particles are broken.
  • the elastic zeolite particles having a particle diameter of 0.25-0.35 mm and an elastic deformation displacement of more than 20 ⁇ m do not cause powdering or breaking. Therefore, preferably, the aluminosilicate free of the present invention
  • the elastic deformation displacement of the zeolite particles can be greater than 20 microns.
  • the mass ratio of the binder ranges from 5 to 15% with respect to the overall mass of the aluminosilicate-free zeolite particles.
  • the amount of the binder is within this range, and the zeolite particles can be provided with appropriate rigidity and elasticity without affecting the adsorption performance of the zeolite particles to the air, thereby avoiding the phenomenon that the zeolite particles are powdered and broken during operation.
  • the mass ratio of the binder may range from 6 to 10%.
  • the particle size of the aluminosilicate-free zeolite particles can be adjusted according to the actual application of the speaker module, and the zeolite particles can also be matched by a reasonable combination of the selection of the binder system and the molding process.
  • the internal zeolite raw powder particles form a suitable spacing between them, which in turn allows the zeolite particles to obtain a good ability to rapidly adsorb-desorb air.
  • the binder content of the surface layer of the aluminosilicate-free zeolite particles provided by the embodiment of the present invention may be higher than the content of the interior of the particles.
  • the carbon C, O O, and Si Si elements on the surface and inside of the two zeolite particles were compared.
  • the surface C content is higher than the inner surface
  • the surface Si is lower than the inner surface, indicating that the surface adhesive content is higher than the inner portion
  • the ratio of the adhesive content of the surface layer of the zeolite particles to the inner layer of the granular particles is higher than 1:1.
  • this embodiment can ensure that the surface of the aluminosilicate-free zeolite particles has sufficient particle strength, and does not cause powder or even breakage in the normal operation and drop test of the speaker module.
  • the amount of the binder can be controlled to prevent the virtual expansion capacity of the aluminosilicate-free zeolite particles and the attenuation of the resistance to the organic volatile atmosphere due to the excessive amount of the binder.
  • Zeolite particles are guaranteed to have good adsorption-desorption properties and aging resistance.
  • the particle size of the aluminosilicate-free zeolite particles of the present invention has an effect on the performance of its adsorption-desorption air.
  • the particle size ranges from 0.15 to 0.50 mm
  • the performance of reducing the resonant frequency in the speaker module is most pronounced.
  • the inventors of the present invention found that the reason is that if the particle size of the zeolite particles is small, for example, between 0.05 and 0.10 mm, the zeolite particles are mostly contacted or stacked at a single point or multiple points, and the bulk density is large, and the acoustic resistance is relatively high.
  • the structure of the sound absorbing member composed of large, zeolite particles is dense.
  • the air cannot be adsorbed or desorbed in the micropores in the center of the zeolite particles during the millisecond pressure change. That is, the adsorption capacity of the zeolite particles to the air molecules cannot be effectively exerted in the process of changing the sound pressure of the speaker module in milliseconds.
  • the particle size is too large, such as 0.60-1 mm, the effective mol amount of the granule material per unit volume is less, and the adsorption-desorption ability to air is lowered. Therefore, in a preferred embodiment of the invention, the aluminosilicate-free zeolite particles have an average particle size ranging from 0.05 to 0.50 mm.
  • the present invention further has certain requirements on the sphericity of the particles.
  • the aluminosilicate-free zeolite particles are spherical, and the spherical aluminosilicate-free zeolite particles having uniform particle diameter can be uniformly filled in the speaker, and the sound absorbing performance is good.
  • the aluminosilicate-free zeolite particles may also have an ellipsoidal shape with an aspect ratio of less than 1.5. In this way, the particles can also achieve a uniform, dense filling in the speaker.
  • the inventors of the present invention have found that the particle diameter of the zeolite raw powder fine particles for forming the aluminosilicate-free zeolite particles also affects the adsorption-desorption property of the zeolite particles. If the particle size of the zeolite raw powder particles is larger than 5 ⁇ m, the length of the first-order pores formed therein is relatively long, and under the condition of high-frequency operation of the speaker, the air molecules cannot quickly and responsively enter and exit the longer first-order pores, resulting in zeolite. The adsorption-desorption properties of the particles are degraded.
  • the zeolite raw powder particles have a particle size ranging from 0.2 to 5 microns, and more preferably, a particle size ranging from 0.3 to 1.5 microns.

Landscapes

  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

L'invention concerne un module de haut-parleur, comprenant une coque de module ayant une cavité de réception ; un ensemble haut-parleur disposé à l'intérieur de la cavité de réception et divisant la cavité de réception en une cavité acoustique arrière et une région de génération de son avant ; et des particules de zéolite exemptes d'aluminosilicate (1) remplies dans la cavité acoustique arrière, les particules de zéolite exemptes d'aluminosilicate (1) étant formées par liaison de particules de poudre de zéolite brute (11) avec un liant, les particules de poudre de zéolite brutes (11) ont des canaux de pores primaires ayant un diamètre de pore allant de 0,3 nm à 20 nm, et dans les particules de zéolite exemptes d'aluminosilicate (1) se trouvent des canaux de pores secondaires (3) entre les particules de poudre de zéolite brutes (11). L'invention concerne un module de haut-parleur ayant une fréquence de résonance inférieure.
PCT/CN2016/111112 2016-08-31 2016-12-20 Module de haut-parleur WO2018040394A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610789836.3A CN106162468A (zh) 2016-08-31 2016-08-31 扬声器模组
CN201610789836.3 2016-08-31

Publications (1)

Publication Number Publication Date
WO2018040394A1 true WO2018040394A1 (fr) 2018-03-08

Family

ID=57345530

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/111112 WO2018040394A1 (fr) 2016-08-31 2016-12-20 Module de haut-parleur

Country Status (2)

Country Link
CN (5) CN106162468A (fr)
WO (1) WO2018040394A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116102030A (zh) * 2022-12-27 2023-05-12 瑞声科技（南京）有限公司 一种用于吸声的分子筛材料及其制备方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106162468A (zh) * 2016-08-31 2016-11-23 歌尔股份有限公司 扬声器模组
CN107046665B (zh) * 2017-03-30 2019-10-22 歌尔股份有限公司 复合陶瓷吸音件和发声装置模组
CN107140876A (zh) * 2017-06-29 2017-09-08 苏州夸克新材料科技有限公司 一种吸音颗粒的造粒方法
CN108395637B (zh) * 2018-02-09 2020-07-24 深圳市大分子科技有限公司 一种吸音微球材料及其制备方法
CN108484011B (zh) * 2018-05-10 2020-12-25 碗海鹰 一种吸音材料及使用该材料的调音件
CN108975347A (zh) * 2018-07-28 2018-12-11 瑞声科技（南京）有限公司 吸音材料及其制备方法和应用该吸音材料的扬声器箱
US11832050B2 (en) 2018-09-19 2023-11-28 Apple Inc. Zeolitic material for improving loudspeaker performance
CN109678392B (zh) * 2019-01-25 2021-10-08 歌尔股份有限公司 二氧化硅气凝胶吸音材料和发声装置
CN109600701A (zh) * 2019-01-31 2019-04-09 歌尔股份有限公司 一种发声装置
CN111362272A (zh) * 2020-03-16 2020-07-03 上海交通大学 一种用于降低扬声器谐振频率的后腔填料及制备方法
CN112261518A (zh) * 2020-04-16 2021-01-22 苏州夸克新材料科技有限公司 一种吸音颗粒
CN114257928A (zh) * 2020-09-23 2022-03-29 北京小米移动软件有限公司 混合胶和电子设备
CN114827799A (zh) * 2021-01-28 2022-07-29 镇江贝斯特新材料有限公司 多孔块状材料及其应用、降低风噪的电子装置及其应用
CN113347539B (zh) * 2021-05-18 2022-09-13 深圳市大分子科技有限公司 一种吸音材料及扬声器
CN113490109B (zh) * 2021-07-06 2024-06-25 维沃移动通信有限公司 声学模组及电子设备
CN113816765A (zh) * 2021-09-25 2021-12-21 深圳职业技术学院 沸石吸音材料及其制备方法和用途
CN115175053B (zh) * 2022-06-30 2024-07-02 歌尔股份有限公司 发声装置的外壳、发声装置和电子设备
CN115474143B (zh) * 2022-11-15 2023-03-24 歌尔股份有限公司 吸音材料、发声装置和电子设备

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006101031A (ja) * 2004-09-28 2006-04-13 Matsushita Electric Ind Co Ltd スピーカ装置
EP2154906A1 (fr) * 2007-06-12 2010-02-17 Panasonic Corporation Haut-parleur multivoix
US20120063627A1 (en) * 2009-05-19 2012-03-15 Visionarist Co., Ltd. Loudspeaker Device
CN103098490A (zh) * 2010-08-23 2013-05-08 楼氏电子亚洲有限公司 声音改进的扬声器系统
CN104703688A (zh) * 2012-08-31 2015-06-10 伯斯有限公司 扬声器系统
CN105237033A (zh) * 2015-09-06 2016-01-13 歌尔声学股份有限公司 吸音材料制备方法、吸音材料及其填充方法
CN106162468A (zh) * 2016-08-31 2016-11-23 歌尔股份有限公司 扬声器模组
CN106210999A (zh) * 2016-08-31 2016-12-07 歌尔股份有限公司 扬声器模组
CN106231511A (zh) * 2016-08-31 2016-12-14 歌尔股份有限公司 扬声器模组
CN106231515A (zh) * 2016-09-06 2016-12-14 歌尔股份有限公司 扬声器模组

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101972626B (zh) * 2010-09-08 2012-12-05 陆志宏 一种多用途沸石颗粒及其制作方法
FR3038240B1 (fr) * 2015-07-02 2019-08-09 Arkema France Article comprenant des particules zeolitiques reliees par une resine
CN105142074B (zh) * 2015-08-19 2019-03-12 歌尔股份有限公司 扬声器模组
CN105516880B (zh) * 2015-12-01 2019-01-04 歌尔股份有限公司 吸音材料制备方法、吸音材料以及扬声器
CN105503247B (zh) * 2015-12-03 2018-03-23 歌尔股份有限公司 介孔吸音材料颗粒的制备方法和介孔吸音材料颗粒
CN105872920A (zh) * 2016-04-19 2016-08-17 碗海鹰 一种用于扬声器的吸音材料

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006101031A (ja) * 2004-09-28 2006-04-13 Matsushita Electric Ind Co Ltd スピーカ装置
EP2154906A1 (fr) * 2007-06-12 2010-02-17 Panasonic Corporation Haut-parleur multivoix
US20120063627A1 (en) * 2009-05-19 2012-03-15 Visionarist Co., Ltd. Loudspeaker Device
CN103098490A (zh) * 2010-08-23 2013-05-08 楼氏电子亚洲有限公司 声音改进的扬声器系统
CN104703688A (zh) * 2012-08-31 2015-06-10 伯斯有限公司 扬声器系统
CN105237033A (zh) * 2015-09-06 2016-01-13 歌尔声学股份有限公司 吸音材料制备方法、吸音材料及其填充方法
CN106162468A (zh) * 2016-08-31 2016-11-23 歌尔股份有限公司 扬声器模组
CN106210999A (zh) * 2016-08-31 2016-12-07 歌尔股份有限公司 扬声器模组
CN106231511A (zh) * 2016-08-31 2016-12-14 歌尔股份有限公司 扬声器模组
CN106231515A (zh) * 2016-09-06 2016-12-14 歌尔股份有限公司 扬声器模组

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116102030A (zh) * 2022-12-27 2023-05-12 瑞声科技（南京）有限公司 一种用于吸声的分子筛材料及其制备方法

Also Published As

Publication number Publication date
CN107708040A (zh) 2018-02-16
CN106162468A (zh) 2016-11-23
CN107547994A (zh) 2018-01-05
CN107659875A (zh) 2018-02-02
CN107454524A (zh) 2017-12-08

Similar Documents

Publication Publication Date Title
WO2018040394A1 (fr) Module de haut-parleur
WO2018040392A1 (fr) Module de haut-parleur
WO2018120697A1 (fr) Dispositif d'absorption acoustique pour dispositif de génération de son, son procédé de préparation et module de dispositif de génération de son
WO2018040393A1 (fr) Module de haut-parleur
WO2018045668A1 (fr) Module de haut-parleur
TWI625301B (zh) 具改善聲音之揚聲器系統
WO2021135878A1 (fr) Matériau d'absorption acoustique à charbon actif, appareil de production de son et dispositif électronique
CN108298559B (zh) 分子筛及应用该分子筛的吸音材料和扬声器
WO2022007336A1 (fr) Matériau de conditionnement acoustique, appareil de production de son, procédé de remplissage et dispositif électronique
CN111135772A (zh) 吸音材料制备方法、吸音材料、发声装置以及电子设备
WO2022007333A1 (fr) Matériau de réglage acoustique, procédé de remplissage, appareil de génération de son et dispositif électronique
CN111560133A (zh) 声学调节材料、填充方法、发声装置及电子设备
CN111534018A (zh) 声学调节材料、发声装置及电子设备
WO2018176664A1 (fr) Élément absorbant acoustique à réseau organométallique et module de dispositif producteur de son
CN109660924A (zh) 活性炭吸音颗粒和发声装置
CN109511056A (zh) 无定型活性炭粒子和吸音颗粒以及发声装置
CN109874089B (zh) 二氧化硅气凝胶吸音材料和发声装置
CN109511058A (zh) 无定型活性炭粒子和吸音颗粒以及发声装置
CN111560145A (zh) 声学调节材料、填充方法、发声装置及电子设备
CN111534019A (zh) 声学调节材料、发声装置、填充方法及电子设备
CN109640237A (zh) 一种活性炭吸音材料和发声装置
WO2020134376A1 (fr) Matériau insonorisant et boîtier de haut-parleur
CN109678392B (zh) 二氧化硅气凝胶吸音材料和发声装置
CN113347539B (zh) 一种吸音材料及扬声器
CN210112267U (zh) 一种发声装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16914955

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16914955

Country of ref document: EP

Kind code of ref document: A1