WO2020062694A1 - Speaker module - Google Patents
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- WO2020062694A1 WO2020062694A1 PCT/CN2018/125600 CN2018125600W WO2020062694A1 WO 2020062694 A1 WO2020062694 A1 WO 2020062694A1 CN 2018125600 W CN2018125600 W CN 2018125600W WO 2020062694 A1 WO2020062694 A1 WO 2020062694A1
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- module
- wall
- cavity
- breathable
- speaker
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- 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
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- 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
Definitions
- the utility model relates to the technical field of acoustic-electric conversion. More specifically, it relates to a speaker module.
- Existing speaker modules usually include a module housing and a speaker unit provided in the module housing.
- the speaker unit divides the cavity surrounded by the module housing into a front acoustic cavity and a rear acoustic cavity.
- the speaker unit includes a vibration component and a magnetic circuit component.
- the vibration component includes a fixed diaphragm and a voice coil. After the voice coil inputs a current, it vibrates under the amperage of the magnetic field formed by the magnetic circuit component to drive the diaphragm to generate sound.
- a sound absorbing material is provided in the rear acoustic cavity.
- the current speaker module usually uses a breathable insulation component to divide the rear acoustic cavity into a first cavity and a second cavity, and the second cavity is filled with sound-absorbing material.
- the breathable insulation component has a ventilation function and prevents sound-absorbing materials from entering Speaker alone.
- Traditional breathable insulation components use injection-molded mesh, which has a limited effect on airflow, which limits the improvement of the acoustic performance of speaker products.
- the purpose of the utility model is to provide a speaker module, which uses a breathable carbon fiber sheet to play the role of breathability and isolation, enhance the effect of adjusting the air flow, and improve the acoustic performance of the speaker module.
- the utility model discloses a speaker module, which includes a module case and a speaker unit provided in the module case.
- the speaker unit divides a cavity surrounded by the module case into a front acoustic cavity and Rear acoustic cavity
- the module housing is further provided with a breathable isolation component that divides the rear acoustic cavity into a first cavity and a second cavity
- the second cavity is filled with a sound absorbing material
- the breathable insulation component It includes a support frame and a breathable carbon fiber sheet fixed on the support frame.
- the breathable carbon fiber sheet and the support frame are fixed by injection molding, gluing or backing.
- a plurality of ventilation holes are formed on the breathable carbon fiber sheet, and the diameter of each of the ventilation holes is between 0.03 and 0.15 mm.
- the module case includes a module upper case, a module middle case, and a module lower case
- the speaker unit and the module upper case surround the front acoustic cavity
- the speaker unit and the unit The module upper shell, the module middle shell, and the module lower shell surround the rear acoustic cavity.
- a sandwich wall for fixing the breathable insulation component is formed on the middle shell of the module, and the middle shell of the module includes a bottom wall and a side wall extending perpendicularly to the bottom wall, and the side wall includes The two first side walls and the second side wall, the sandwich wall comprises a first sandwich wall and a second sandwich wall respectively formed on the first side wall and the second side wall, and the first sandwich wall A first groove and a second groove are formed on the second clamping wall, respectively, to accommodate the air-permeable isolation component.
- the sandwich wall further includes a third sandwich wall formed on the bottom wall, and a third groove is formed on the third sandwich wall to receive the breathable insulation component.
- the air-permeable isolation component and the lower case of the module are sealed and arranged by coating, backing or a gasket.
- An elastic pad is further provided on the outer surface of the support frame near the module housing, and the elastic pad is compressed to seal the breathable insulation component and the sandwich wall when the breathable insulation component is inserted into the sandwich wall.
- An elastic pad is provided in the groove, and the elastic pad is compressed to seal the breathable insulation component and the sandwich wall when the breathable insulation component is inserted into the sandwich wall.
- the air-permeable isolation component and the sandwich wall are sealed by coating.
- the air-permeable insulation component is integrally injection-molded with the middle shell of the module.
- the breathable isolation component of the speaker module of the utility model comprises a support frame and a breathable carbon fiber sheet fixed on the support frame.
- the breathable carbon fiber sheet is formed with a plurality of ventilation holes to allow airflow to pass through.
- the aperture size of the carbon fiber material is controllable, which can play a role of isolating sound-absorbing materials, and the carbon fiber material can play a sound-absorbing role, thereby enhancing the rear acoustic cavity.
- the adjustment of air flow improves the acoustic performance of the speaker module.
- FIG. 1 shows an internal schematic diagram of a specific embodiment of the speaker module of the present invention.
- FIG. 2 shows an outline diagram of a specific embodiment of the speaker module of the present invention.
- Fig. 3 is a schematic cross-sectional view taken along the A-A direction in Fig. 2.
- FIG. 4 is an enlarged schematic diagram of a region B in FIG. 3.
- module upper case 12, module middle case, 13, module lower case, 2, breathable insulation components, 21, support frame, 22, breathable carbon fiber sheet, 3, speaker unit, 31, vibration component, 32 , Magnetic circuit components, 4, sandwich wall.
- the speaker module includes a module case and a speaker unit 3 provided in the module case.
- the body 3 divides the cavity surrounded by the module housing into a front acoustic cavity and a rear acoustic cavity, and the module housing is further provided with a ventilation isolation component that divides the rear acoustic cavity into a first cavity and a second cavity.
- the second cavity is filled with a sound absorbing material.
- the breathable insulation component 2 includes a support frame 21 and a breathable carbon fiber sheet 22 fixed on the support frame 21.
- the breathable carbon fiber sheet 22 can play the role of breathability and isolation of the sound absorbing material, and the carbon fiber material can play the role of sound absorption, thereby enhancing the adjustment effect of the rear acoustic cavity on the airflow and improving the acoustic performance of the speaker module.
- the breathable carbon fiber sheet 22 and the support frame 21 can be fixed by injection molding, gluing or backing.
- the breathable carbon fiber sheet 22 and the support frame 21 are fixed together by injection molding, so as to ensure a strong bonding force between the breathable carbon fiber sheet 22 and the support frame 21.
- the porous ceramic sheet is formed with a plurality of ventilation holes.
- the sound absorbing material is preferably selected from sound absorbing particles.
- the diameter of the ventilation holes of the breathable carbon fiber sheet 22 should be smaller than the diameter of the sound absorbing particles to prevent the sound absorbing material from passing through the breathable carbon fiber sheet 22 into the speaker unit 3. Therefore, the apertures of the plurality of ventilation holes can be set to be between 0.03 and 0.15 mm, so as to play a role of isolating the interstitial material.
- the module case includes a module upper case 11, a module middle case 12, and a module lower case 13, a module upper case 11, a module middle case 12, and a module.
- the lower shells 13 collectively form a cavity for receiving the speaker unit 3.
- the speaker unit 3 and the module upper shell 11 surround a front sound cavity for sound generation, and the speaker unit 3 and the module upper shell 11, the module middle shell 12, and the module lower
- the shell 13 surrounds a rear acoustic cavity, which is used to adjust the sound quality of the sound generator and improve the low-frequency acoustic performance of the speaker.
- the speaker unit 3 may include a vibration component 31 and a magnetic circuit component 32.
- the vibration component 31 vibrates and emits sound under the action of a magnetic field formed by the magnetic circuit component 32.
- a sandwich wall 4 for fixing the breathable insulation component 2 is formed on the middle shell 12 of the module, and the middle shell 12 of the module may include a bottom wall and a vertical extension relative to the bottom wall.
- the side wall includes two opposite first and second side walls, and the sandwich wall includes first sandwich walls formed on the first side wall and the second side wall, respectively And a second clamping wall, the first clamping wall and the second clamping wall are respectively formed with a first groove and a second groove for accommodating the air-permeable isolation component 2.
- the first sandwich wall and the second sandwich wall limit the opposite sides of the breathable insulation component 2, thereby restricting the horizontal movement of the breathable insulation component 2 and positioning the breathable insulation component 2.
- the module housing includes, but is not limited to, a three-part housing structure, that is, the module housing may be composed of two-part housings, which are respectively molds. The upper shell and the lower shell of the module are assembled. In this embodiment, a clamping wall for fixing the breathable insulation component is formed on the lower shell of the module, which is not described in the present invention.
- the clamping wall 4 may preferably extend from the top surface to the bottom surface of the module case, so as to be sealed with the module lower case 13 and the ventilation isolation component 2 to separate the rear acoustic cavity into a first cavity and a second cavity together.
- the air-permeable isolation component 2 can communicate the air between the first cavity and the second cavity.
- the sandwich wall 4 may further include a third sandwich wall, a third sandwich wall, a first sandwich wall, and a second sandwich formed on the bottom wall for inserting the air-permeable isolation component 2.
- the walls together play a role of limiting and fixing the air-permeable isolation component 2 to improve the fixing stability of the air-permeable isolation component 2.
- the third sandwich wall may be connected to at least one of the first sandwich wall and the second sandwich wall.
- the sandwich wall 4 may further include a fourth sandwich wall formed on the module lower case 13 and corresponding to the isolation component, and the fourth sandwich wall is formed with the fourth sandwich wall.
- the fourth groove of the breathable insulation component 2 is described. After the breathable insulation component 2 is installed on the clamping wall of the module middle shell 12 by plugging in, the module lower shell 13 can be fixed and sealed with the breathable insulation component 2 through the fourth groove to further fix the breathable insulation component. 2.
- the isolation component can also be glued or sealed with the module lower case 13 by applying glue or adhesive.
- the breathable insulation component 2 can be installed on the middle shell 12 of the module after being inserted into the middle shell 12 of the module by injection molding.
- the breathable insulation component 2 may also be integrally injection-molded with the module housing after assembly.
- glue in order to further seal the breathable insulation component 2 and the sandwich wall, glue can be applied to the groove of the sandwich wall 4 to which the breathable insulation component 2 is inserted, and the breathable insulation component 2 and the sandwich wall 4 can be coated.
- Adhesive seal in another preferred embodiment, an elastic pad can be further provided on the outer surface of the support frame 21 near the module housing, and the elastic pad is inserted into the sandwich wall 4 in the air-permeable isolation component 2. It is compressed to seal the air-permeable insulation component 2 and the sandwich wall 4.
- an elastic pad may also be provided in the groove, and the elastic pad is compressed to seal the isolation component and the clamping wall 4 when the isolation component is inserted into the clamping wall.
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Diaphragms For Electromechanical Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Disclosed is a speaker module, comprising a module shell and a speaker unit provided in the module shell. The speaker unit divides a cavity enclosed by the module shell into a front acoustic cavity and a rear acoustic cavity, the module shell is further provided with a breathable isolation assembly for dividing the rear acoustic cavity into a first cavity and a second cavity, the second cavity being filled with an acoustical material, and the breathable isolation assembly comprising a support frame and a breathable carbon fiber sheet fixed on the support frame. The present utility model can solve the problems of screen cloth breakage and screen cloth deflection that can easily occur when the breathable carbon fiber sheet is mounted on the breathable isolation assembly, improving the production yield of the breathable isolation assembly.
Description
本实用新型涉及声电转换技术领域。更具体地，涉及一种扬声器模组。The utility model relates to the technical field of acoustic-electric conversion. More specifically, it relates to a speaker module.
现有的扬声器模组通常包括模组外壳及设于模组外壳中的扬声器单体，扬声器单体将模组外壳围成的空腔分为前声腔和后声腔。扬声器单体包括振动组件和磁路组件。其中，振动组件包括固定在一起的振膜和音圈，音圈输入电流后，在磁路组件形成的磁场的安培力作用下振动进而带动振膜振动发声。为了调节扬声器的声学性能，通过在后声腔内设置吸音材料。目前的扬声器模组中通常采用一个透气隔离组件将后声腔分为第一空腔和第二腔腔，在第二空腔中填充吸音材料，透气隔离组件具有透气功能，同时也防止吸音材料进入扬声器单体中。传统的透气隔离组件采用注塑网布，网布对气流的影响有限，限制了扬声器产品声学性能的提高。Existing speaker modules usually include a module housing and a speaker unit provided in the module housing. The speaker unit divides the cavity surrounded by the module housing into a front acoustic cavity and a rear acoustic cavity. The speaker unit includes a vibration component and a magnetic circuit component. The vibration component includes a fixed diaphragm and a voice coil. After the voice coil inputs a current, it vibrates under the amperage of the magnetic field formed by the magnetic circuit component to drive the diaphragm to generate sound. In order to adjust the acoustic performance of the speaker, a sound absorbing material is provided in the rear acoustic cavity. The current speaker module usually uses a breathable insulation component to divide the rear acoustic cavity into a first cavity and a second cavity, and the second cavity is filled with sound-absorbing material. The breathable insulation component has a ventilation function and prevents sound-absorbing materials from entering Speaker alone. Traditional breathable insulation components use injection-molded mesh, which has a limited effect on airflow, which limits the improvement of the acoustic performance of speaker products.
实用新型内容Utility model content
本实用新型的目的在于提供一种扬声器模组，采用透气碳纤维片起透气隔离的作用，增强对气流的调节效果，以提高扬声器模组的声学性能。The purpose of the utility model is to provide a speaker module, which uses a breathable carbon fiber sheet to play the role of breathability and isolation, enhance the effect of adjusting the air flow, and improve the acoustic performance of the speaker module.
为达到上述目的，本实用新型采用下述技术方案：In order to achieve the above purpose, the present invention adopts the following technical solutions:
本实用新型公开了一种扬声器模组，包括模组外壳及设于所述模组外壳内的扬声器单体，所述扬声器单体将所述模组外壳围成的空腔分为前声腔和后声腔，所述模组外壳中还设有将所述后声腔分为第一腔体和第二腔体的透气隔离组件，所述第二腔体中填充有吸音材料，所述透气隔离组件包括支撑架以及固定在所述支撑架上的透气碳纤维片。The utility model discloses a speaker module, which includes a module case and a speaker unit provided in the module case. The speaker unit divides a cavity surrounded by the module case into a front acoustic cavity and Rear acoustic cavity, the module housing is further provided with a breathable isolation component that divides the rear acoustic cavity into a first cavity and a second cavity, and the second cavity is filled with a sound absorbing material, and the breathable insulation component It includes a support frame and a breathable carbon fiber sheet fixed on the support frame.
优选地，所述透气碳纤维片与所述支撑架通过注塑、涂胶或背胶固定。Preferably, the breathable carbon fiber sheet and the support frame are fixed by injection molding, gluing or backing.
优选地，所述透气碳纤维片上形成多个透气孔，每个所述透气孔的直径在0.03-0.15mm之间。Preferably, a plurality of ventilation holes are formed on the breathable carbon fiber sheet, and the diameter of each of the ventilation holes is between 0.03 and 0.15 mm.
优选地，所述模组外壳包括模组上壳、模组中壳和模组下壳，所述扬声器单体与所述模组上壳围成所述前声腔，所述扬声器单体与所述模组上壳、模组中壳和模组下壳围成所述后声腔。Preferably, the module case includes a module upper case, a module middle case, and a module lower case, the speaker unit and the module upper case surround the front acoustic cavity, and the speaker unit and the unit The module upper shell, the module middle shell, and the module lower shell surround the rear acoustic cavity.
优选地，所述模组中壳上形成有固定所述透气隔离组件的夹壁，所述模组中壳包括底壁和相对于所述底壁垂直延伸的侧壁，所述侧壁包括相对的两个第一侧壁和第二侧壁，所述夹壁包括分别形成在所述第一侧壁和所述第二侧壁上的第一夹壁和第二夹壁，第一夹壁和第二夹壁上分别形成有容纳所述透气隔离组件的第一凹槽和第二凹槽。Preferably, a sandwich wall for fixing the breathable insulation component is formed on the middle shell of the module, and the middle shell of the module includes a bottom wall and a side wall extending perpendicularly to the bottom wall, and the side wall includes The two first side walls and the second side wall, the sandwich wall comprises a first sandwich wall and a second sandwich wall respectively formed on the first side wall and the second side wall, and the first sandwich wall A first groove and a second groove are formed on the second clamping wall, respectively, to accommodate the air-permeable isolation component.
优选地，所述夹壁进一步包括形成在所述底壁上的第三夹壁，所述第三夹壁上形成有容纳所述透气隔离组件的第三凹槽。Preferably, the sandwich wall further includes a third sandwich wall formed on the bottom wall, and a third groove is formed on the third sandwich wall to receive the breathable insulation component.
优选地，所述透气隔离组件与所述模组下壳间通过涂胶、背胶或密封垫密封设置。Preferably, the air-permeable isolation component and the lower case of the module are sealed and arranged by coating, backing or a gasket.
优选地，Preferably,
所述支撑架靠近模组外壳的外表面进一步设有弹垫，所述弹垫在所述透气隔离组件插装于所述夹壁中时被压缩以密封所述透气隔离组件和所述夹壁；或者An elastic pad is further provided on the outer surface of the support frame near the module housing, and the elastic pad is compressed to seal the breathable insulation component and the sandwich wall when the breathable insulation component is inserted into the sandwich wall. ;or
所述凹槽中设有弹垫，所述弹垫在所述透气隔离组件插装于所述夹壁中时被压缩以密封所述透气隔离组件和所述夹壁。An elastic pad is provided in the groove, and the elastic pad is compressed to seal the breathable insulation component and the sandwich wall when the breathable insulation component is inserted into the sandwich wall.
优选地，所述透气隔离组件与所述夹壁通过涂胶密封。Preferably, the air-permeable isolation component and the sandwich wall are sealed by coating.
优选地，所述透气隔离组件与所述模组中壳一体注塑。Preferably, the air-permeable insulation component is integrally injection-molded with the middle shell of the module.
本实用新型的有益效果如下：The beneficial effects of this utility model are as follows:
本实用新型扬声器模组的透气隔离组件包括支撑架以及固定在所述支撑架上的透气碳纤维片。透气碳纤维片上形成有多个透气孔，可允许气流通过，碳纤维材料的透气孔孔径大小可控，从而可起到隔离吸音材料的作用，且碳纤维材料能够起到吸音作用，从而可增强后声腔对气流的调节作用，提高扬声器模组的声学性能。The breathable isolation component of the speaker module of the utility model comprises a support frame and a breathable carbon fiber sheet fixed on the support frame. The breathable carbon fiber sheet is formed with a plurality of ventilation holes to allow airflow to pass through. The aperture size of the carbon fiber material is controllable, which can play a role of isolating sound-absorbing materials, and the carbon fiber material can play a sound-absorbing role, thereby enhancing the rear acoustic cavity. The adjustment of air flow improves the acoustic performance of the speaker module.
下面结合附图对本实用新型的具体实施方式作进一步详细的说明。The specific embodiments of the present invention will be further described in detail with reference to the accompanying drawings.
图1示出本实用新型扬声器模组一个具体实施例的内部示意图。FIG. 1 shows an internal schematic diagram of a specific embodiment of the speaker module of the present invention.
图2示出本实用新型扬声器模组一个具体实施例的外形示意图。FIG. 2 shows an outline diagram of a specific embodiment of the speaker module of the present invention.
图3示出图2中沿A-A方向的剖面示意图。Fig. 3 is a schematic cross-sectional view taken along the A-A direction in Fig. 2.
图4示出图3中B区域的放大示意图。FIG. 4 is an enlarged schematic diagram of a region B in FIG. 3.
附图标记：Reference signs:
11、模组上壳，12、模组中壳，13、模组下壳，2、透气隔离组件，21、支撑架、22、透气碳纤维片，3、扬声器单体，31、振动组件，32、磁路组件，4、夹壁。11, module upper case, 12, module middle case, 13, module lower case, 2, breathable insulation components, 21, support frame, 22, breathable carbon fiber sheet, 3, speaker unit, 31, vibration component, 32 , Magnetic circuit components, 4, sandwich wall.
为了更清楚地说明本实用新型，下面结合优选实施例和附图对本实用新型做进一步的说明。附图中相似的部件以相同的附图标记进行表示。本领域技术人员应当理解，下面所具体描述的内容是说明性的而非限制性的，不应以此限制本实用新型的保护范围。In order to explain the utility model more clearly, the utility model will be further described below with reference to the preferred embodiments and the accompanying drawings. Similar parts in the drawings are indicated by the same reference numerals. Those skilled in the art should understand that what is specifically described below is illustrative and not restrictive, and should not be used to limit the scope of protection of the present invention.
图1-图4示出了一种扬声器模组的一个具体实施例，本实施例中，扬声器模组包括模组外壳及设于所述模组外壳内的扬声器单体3，所述扬声器单体3将所述模组外壳围成的空腔分为前声腔和后声腔，所述模组外壳中还设有将所述后声腔分为第一腔体和第二腔体的透气隔离组件2，所述第二腔体中填充有吸音材料。其中，所述透气隔离组件2包括支撑架21以及固定在所述支撑架21上的透气碳纤维片22。透气碳纤维片22可起到透气和隔离吸音材料的作用，且碳纤维材料能够起到吸音作用，从而可增强后声腔对气流的调节作用，提高扬声器模组的声学性能。1 to 4 show a specific embodiment of a speaker module. In this embodiment, the speaker module includes a module case and a speaker unit 3 provided in the module case. The body 3 divides the cavity surrounded by the module housing into a front acoustic cavity and a rear acoustic cavity, and the module housing is further provided with a ventilation isolation component that divides the rear acoustic cavity into a first cavity and a second cavity. 2. The second cavity is filled with a sound absorbing material. Wherein, the breathable insulation component 2 includes a support frame 21 and a breathable carbon fiber sheet 22 fixed on the support frame 21. The breathable carbon fiber sheet 22 can play the role of breathability and isolation of the sound absorbing material, and the carbon fiber material can play the role of sound absorption, thereby enhancing the adjustment effect of the rear acoustic cavity on the airflow and improving the acoustic performance of the speaker module.
优选地，所述透气碳纤维片22与所述支撑架21可通过注塑、涂胶或背胶固定。本实施例中，透气碳纤维片22与支撑架21通过注塑固定在一起，从而保证透气碳纤维片22与支撑架21间具有较强的结合力。Preferably, the breathable carbon fiber sheet 22 and the support frame 21 can be fixed by injection molding, gluing or backing. In this embodiment, the breathable carbon fiber sheet 22 and the support frame 21 are fixed together by injection molding, so as to ensure a strong bonding force between the breathable carbon fiber sheet 22 and the support frame 21.
所述多孔陶瓷片上形成有多个透气孔，吸音材料优选地可选择吸音颗粒，透气碳纤维片22的透气孔的直径应小于吸音颗粒的直径，防止吸音材料穿过透气碳纤维片22进入扬声器单体3。由此，所述多个透气孔的孔径可设置为0.03～0.15mm之间，以起到隔离吸间材料的作用。The porous ceramic sheet is formed with a plurality of ventilation holes. The sound absorbing material is preferably selected from sound absorbing particles. The diameter of the ventilation holes of the breathable carbon fiber sheet 22 should be smaller than the diameter of the sound absorbing particles to prevent the sound absorbing material from passing through the breathable carbon fiber sheet 22 into the speaker unit 3. Therefore, the apertures of the plurality of ventilation holes can be set to be between 0.03 and 0.15 mm, so as to play a role of isolating the interstitial material.
优选地，本实施例中，如图1所示，模组外壳包括模组上壳11、模组中壳12和模组下壳13，模组上壳11、模组中壳12和模组下壳13共同形成收容扬声器单体3的空腔。具体的，所述扬声器单体3与所述模组上壳11围成用于发声的前声腔，所述扬声器单体3与所述模组上壳11、模组中壳12和模组下壳13围成后声腔，该后声腔用于调节发声器的音质，改善扬声器的低频声学性能。其中，扬声器单体3可包括振动组件31和磁路组件32，振动组件31在磁路组件32形成的磁场的作用下振动发声。Preferably, in this embodiment, as shown in FIG. 1, the module case includes a module upper case 11, a module middle case 12, and a module lower case 13, a module upper case 11, a module middle case 12, and a module. The lower shells 13 collectively form a cavity for receiving the speaker unit 3. Specifically, the speaker unit 3 and the module upper shell 11 surround a front sound cavity for sound generation, and the speaker unit 3 and the module upper shell 11, the module middle shell 12, and the module lower The shell 13 surrounds a rear acoustic cavity, which is used to adjust the sound quality of the sound generator and improve the low-frequency acoustic performance of the speaker. The speaker unit 3 may include a vibration component 31 and a magnetic circuit component 32. The vibration component 31 vibrates and emits sound under the action of a magnetic field formed by the magnetic circuit component 32.
优选地，本实施例中，所述模组中壳12上形成有固定所述透气隔离组件 2的夹壁4，所述模组中壳12可包括底壁和相对于所述底壁垂直延伸的侧壁，所述侧壁包括相对的两个第一侧壁和第二侧壁，所述夹壁包括分别形成在所述第一侧壁和所述第二侧壁上的第一夹壁和第二夹壁，第一夹壁和第二夹壁上分别形成有容纳所述透气隔离组件2的第一凹槽和第二凹槽。第一夹壁和第二夹壁将透气隔离组件2的相对的两侧限位，从而限制了透气隔离组件2的水平方向上的移动，对透气隔离组件2进行定位。本领域技术人员应当明了，在实际应用中，本实用新型实施例中，模组壳体包括但不限于三部分壳体的结构，即所述模组外壳可由两部分壳体构成，分别为模组上壳和模组下壳，该实施例中，所述模组下壳上形成有固定所述透气隔离组件的夹壁，本实用新型不予赘述。Preferably, in this embodiment, a sandwich wall 4 for fixing the breathable insulation component 2 is formed on the middle shell 12 of the module, and the middle shell 12 of the module may include a bottom wall and a vertical extension relative to the bottom wall. The side wall includes two opposite first and second side walls, and the sandwich wall includes first sandwich walls formed on the first side wall and the second side wall, respectively And a second clamping wall, the first clamping wall and the second clamping wall are respectively formed with a first groove and a second groove for accommodating the air-permeable isolation component 2. The first sandwich wall and the second sandwich wall limit the opposite sides of the breathable insulation component 2, thereby restricting the horizontal movement of the breathable insulation component 2 and positioning the breathable insulation component 2. Those skilled in the art should understand that, in practical applications, in the embodiments of the present invention, the module housing includes, but is not limited to, a three-part housing structure, that is, the module housing may be composed of two-part housings, which are respectively molds. The upper shell and the lower shell of the module are assembled. In this embodiment, a clamping wall for fixing the breathable insulation component is formed on the lower shell of the module, which is not described in the present invention.
其中，夹壁4优选地可由模组外壳顶面延伸至底面，以便于与模组下壳13和透气隔离组件2密封设置，一同将所述后声腔分隔为第一空腔和第二空腔。透气隔离组件2可使第一空腔和第二空腔间气流连通。Wherein, the clamping wall 4 may preferably extend from the top surface to the bottom surface of the module case, so as to be sealed with the module lower case 13 and the ventilation isolation component 2 to separate the rear acoustic cavity into a first cavity and a second cavity together. . The air-permeable isolation component 2 can communicate the air between the first cavity and the second cavity.
在另一个实施方式中，所述夹壁4进一步还可包括形成在所述底壁上用于插接透气隔离组件2的第三夹壁，第三夹壁和第一夹壁和第二夹壁共同起到限位和固定透气隔离组件2的作用，以提高透气隔离组件2固定稳定性。更优选地，该第三夹壁可与所述第一夹壁和所述第二夹壁的至少之一连接。In another embodiment, the sandwich wall 4 may further include a third sandwich wall, a third sandwich wall, a first sandwich wall, and a second sandwich formed on the bottom wall for inserting the air-permeable isolation component 2. The walls together play a role of limiting and fixing the air-permeable isolation component 2 to improve the fixing stability of the air-permeable isolation component 2. More preferably, the third sandwich wall may be connected to at least one of the first sandwich wall and the second sandwich wall.
在另一个实施方式中，所述夹壁4进一步还可包括形成在所述模组下壳13上并与所述隔离组件对应的第四夹壁，所述第四夹壁上形成有与所述透气隔离组件2插接的第四凹槽。将透气隔离组件2通过插接的方式后装在模组中壳12的夹壁上后，可将模组下壳13通过第四凹槽与透气隔离组件2固定和密封，进一步固定透气隔离组件2。在另一个实施方式中，所述隔离组件也可通过涂胶或背胶与所述模组下壳13粘贴密封。In another embodiment, the sandwich wall 4 may further include a fourth sandwich wall formed on the module lower case 13 and corresponding to the isolation component, and the fourth sandwich wall is formed with the fourth sandwich wall. The fourth groove of the breathable insulation component 2 is described. After the breathable insulation component 2 is installed on the clamping wall of the module middle shell 12 by plugging in, the module lower shell 13 can be fixed and sealed with the breathable insulation component 2 through the fourth groove to further fix the breathable insulation component. 2. In another embodiment, the isolation component can also be glued or sealed with the module lower case 13 by applying glue or adhesive.
在一个实施方式中，所述透气隔离组件2可在模组中壳12注塑成型后，通过插装的形式后装在模组中壳12上。在另一个实施方式中，透气隔离组件2也可在组装后与所述模组外壳一体注塑。In one embodiment, the breathable insulation component 2 can be installed on the middle shell 12 of the module after being inserted into the middle shell 12 of the module by injection molding. In another embodiment, the breathable insulation component 2 may also be integrally injection-molded with the module housing after assembly.
在一个优选地实施方式中，为了进一步使透气隔离组件2与夹壁间密封设置，可在夹壁4插接透气隔离组件2的凹槽中涂胶，将透气隔离组件2与夹壁4涂胶密封，在另一个优选地实施方式中，所述支撑架21靠近模组外壳的外表面进一步可设置弹垫，所述弹垫在所述透气隔离组件2插装于所述夹壁4中时被压缩以密封所述透气隔离组件2和所述夹壁4。同理地，也可在凹槽中设弹垫，所述弹垫在所述隔离组件插装于所述夹壁中时被压缩以密封所 述隔离组件和所述夹壁4。In a preferred embodiment, in order to further seal the breathable insulation component 2 and the sandwich wall, glue can be applied to the groove of the sandwich wall 4 to which the breathable insulation component 2 is inserted, and the breathable insulation component 2 and the sandwich wall 4 can be coated. Adhesive seal. In another preferred embodiment, an elastic pad can be further provided on the outer surface of the support frame 21 near the module housing, and the elastic pad is inserted into the sandwich wall 4 in the air-permeable isolation component 2. It is compressed to seal the air-permeable insulation component 2 and the sandwich wall 4. Similarly, an elastic pad may also be provided in the groove, and the elastic pad is compressed to seal the isolation component and the clamping wall 4 when the isolation component is inserted into the clamping wall.
显然，本实用新型的上述实施例仅仅是为清楚地说明本实用新型所作的举例，而并非是对本实用新型的实施方式的限定，对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动，这里无法对所有的实施方式予以穷举，凡是属于本实用新型的技术方案所引伸出的显而易见的变化或变动仍处于本实用新型的保护范围之列。Obviously, the above-mentioned embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, based on the above description, Other different forms of changes or modifications can also be made, and all implementations cannot be exhausted here. Any obvious changes or changes that belong to the technical solution of the utility model are still within the protection scope of the utility model. .
Claims (10)
- 一种扬声器模组，包括模组外壳及设于所述模组外壳内的扬声器单体，所述扬声器单体将所述模组外壳围成的空腔分为前声腔和后声腔，所述模组外壳中还设有将所述后声腔分为第一腔体和第二腔体的透气隔离组件，所述第二腔体中填充有吸音材料，其特征在于，所述透气隔离组件包括支撑架以及固定在所述支撑架上的透气碳纤维片。A speaker module includes a module case and a speaker unit provided in the module case. The speaker unit divides a cavity surrounded by the module case into a front acoustic cavity and a rear acoustic cavity. The module housing is also provided with a ventilation isolation component that divides the rear acoustic cavity into a first cavity and a second cavity, and the second cavity is filled with a sound absorbing material, wherein the ventilation isolation component includes A support frame and a breathable carbon fiber sheet fixed on the support frame.
- 根据权利要求1所述的扬声器模组，其特征在于，所述透气碳纤维片与所述支撑架通过注塑、涂胶或背胶固定。The speaker module according to claim 1, wherein the breathable carbon fiber sheet and the support frame are fixed by injection molding, coating, or backing.
- 根据权利要求1所述的扬声器模组，其特征在于，所述透气碳纤维片上形成多个透气孔，每个所述透气孔的直径在0.03-0.15mm之间。The speaker module according to claim 1, wherein a plurality of ventilation holes are formed in the breathable carbon fiber sheet, and each of the ventilation holes has a diameter between 0.03-0.15 mm.
- 根据权利要求1所述的扬声器模组，其特征在于，所述模组外壳包括模组上壳、模组中壳和模组下壳，所述扬声器单体与所述模组上壳围成所述前声腔，所述扬声器单体与所述模组上壳、模组中壳和模组下壳围成所述后声腔。The speaker module according to claim 1, wherein the module case comprises a module upper case, a module middle case, and a module lower case, and the speaker unit is enclosed by the module upper case In the front acoustic cavity, the speaker unit and the module upper case, the module middle case, and the module lower case surround the rear acoustic cavity.
- 根据权利要求4所述的扬声器模组，其特征在于，所述模组中壳上形成有固定所述透气隔离组件的夹壁，所述模组中壳包括底壁和相对于所述底壁垂直延伸的侧壁，所述侧壁包括相对的两个第一侧壁和第二侧壁，所述夹壁包括分别形成在所述第一侧壁和所述第二侧壁上的第一夹壁和第二夹壁，第一夹壁和第二夹壁上分别形成有容纳所述透气隔离组件的第一凹槽和第二凹槽。The loudspeaker module according to claim 4, wherein a sandwich wall for fixing the breathable insulation component is formed on the middle shell of the module, and the middle shell of the module includes a bottom wall and a bottom wall opposite to the bottom wall. A vertically extending side wall, the side wall includes two opposite first and second side walls, and the sandwich wall includes first sides formed on the first side wall and the second side wall, respectively. The sandwich wall and the second sandwich wall. The first sandwich wall and the second sandwich wall are respectively formed with a first groove and a second groove for accommodating the ventilation isolation component.
- 根据权利要求5所述的扬声器模组，其特征在于，所述夹壁进一步包括形成在所述底壁上的第三夹壁，所述第三夹壁上形成有容纳所述透气隔离组件的第三凹槽。The speaker module according to claim 5, wherein the sandwich wall further comprises a third sandwich wall formed on the bottom wall, and the third sandwich wall is formed with a housing for accommodating the air-permeable isolation component. Third groove.
- 根据权利要求5或6所述的扬声器模组，其特征在于，所述透气隔离组件与所述模组下壳间通过涂胶、背胶或密封垫密封设置。The loudspeaker module according to claim 5 or 6, wherein the air-permeable isolation component and the lower shell of the module are sealed and arranged by coating, backing, or a gasket.
- 根据权利要求5所述的扬声器模组，其特征在于，The speaker module according to claim 5, wherein:所述支撑架靠近模组外壳的外表面进一步设有弹垫，所述弹垫在所述透气隔离组件插装于所述夹壁中时被压缩以密封所述透气隔离组件和所述夹壁；或者An elastic pad is further provided on the outer surface of the support frame near the module housing, and the elastic pad is compressed to seal the breathable insulation component and the sandwich wall when the breathable insulation component is inserted into the sandwich wall. ;or所述凹槽中设有弹垫，所述弹垫在所述透气隔离组件插装于所述夹壁中时被压缩以密封所述透气隔离组件和所述夹壁。An elastic pad is provided in the groove, and the elastic pad is compressed to seal the breathable insulation component and the sandwich wall when the breathable insulation component is inserted into the sandwich wall.
- 根据权利要求5所述的扬声器模组，其特征在于，所述透气隔离组件与所述夹壁通过涂胶密封。The speaker module according to claim 5, wherein the air-permeable isolation component and the clamping wall are sealed by coating.
- 根据权利要求4所述的扬声器模组，其特征在于，所述透气隔离组件与所述模组中壳一体注塑。The loudspeaker module according to claim 4, wherein the air-permeable isolation component is integrally injection-molded with the middle shell of the module.
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| WO2022006954A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
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| WO2021134465A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技（北京）有限公司 | Loudspeaker module and preparation method thereof |
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