WO2021012610A1 - 一种防尘帽组件及超薄喇叭 - Google Patents

一种防尘帽组件及超薄喇叭 Download PDF

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Publication number
WO2021012610A1
WO2021012610A1 PCT/CN2019/129005 CN2019129005W WO2021012610A1 WO 2021012610 A1 WO2021012610 A1 WO 2021012610A1 CN 2019129005 W CN2019129005 W CN 2019129005W WO 2021012610 A1 WO2021012610 A1 WO 2021012610A1
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Prior art keywords
dust cap
ultra
magnetic circuit
circuit system
heat insulation
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PCT/CN2019/129005
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English (en)
French (fr)
Inventor
郑兵华
董志永
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歌尔股份有限公司
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Application filed by 歌尔股份有限公司 filed Critical 歌尔股份有限公司
Publication of WO2021012610A1 publication Critical patent/WO2021012610A1/zh

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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
    • 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
    • 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 electroacoustic transducers, and specifically relates to a dust cap assembly and an ultra-thin horn.
  • the horn is a transducer device that converts electrical signals into sound.
  • the audio energy uses electromagnetic, piezoelectric or electrostatic effects to vibrate the cone or diaphragm and resonate with the surrounding air to produce sound.
  • the speaker is the weakest device in audio equipment, and it is the most important component for audio effects.
  • Ultra-thin electronic products such as ultra-thin liquid crystal displays need to be applied to ultra-thin speakers.
  • the dust cap has a fixed height, and the dust cap is directly connected to the voice coil as a part of the vibration system. When it comes to ultra-thin horns, the total thickness of the horn removes the thickness of the magnetic circuit system and the stroke of the vibration system, and there is almost no space for the conventional dust cap structure.
  • An object of the present invention is to provide a new technical solution for a dust cap assembly and an ultra-thin speaker.
  • a dust cap assembly including a dust cap body, the dust cap body including:
  • a fixing part configured to form a fixed connection with the magnetic circuit system of the ultra-thin speaker
  • the telescopic part is formed by extending outward from the edge of the fixed part, and the edge of the telescopic part is configured to be connected with the cone assembly of the ultra-thin horn to cover the magnetic circuit system of the ultra-thin horn As with the voice coil, the telescopic part is configured to be able to expand or compress with the vibration of the cone assembly.
  • the telescopic portion has corrugated folds, and the folds include at least two bends.
  • the dust cap assembly further includes a heat insulation pad, the heat insulation pad is fixedly arranged on the inner side of the fixing part, and the heat insulation pad is configured to be fixed to the magnetic circuit system of the ultra-thin speaker connection.
  • the dust cap assembly further includes a heat insulation pad, a through hole is opened in the middle of the fixing part, the edge of the heat insulation pad is arranged outside the fixing part, and the middle of the heat insulation pad is configured It is used for fixed connection with the magnetic circuit system of the ultra-thin horn via the through hole.
  • the telescopic part extends outwardly away from the edge of the fixed part to form a flange, and the flange is configured to be connected to the cone assembly of the ultra-thin horn.
  • the material of the dust cap body is PU.
  • the material of the heat insulation pad is PP.
  • an ultra-thin speaker comprising:
  • a magnetic circuit system the magnetic circuit system is arranged in the housing;
  • a vibration system the vibration system includes a cone assembly and a voice coil, the peripheral edge of the cone assembly is connected to the shell, the middle of the cone assembly has a through hole, and the voice coil is fixedly connected to the At the edge of the through hole, the voice coil is suspended around the magnetic circuit system;
  • the fixed part of the dust cap body in the dust cap assembly forms a fixed connection with the top of the magnetic circuit system.
  • the dust cap assembly further includes a heat insulation pad configured to be fixedly connected to the magnetic circuit system; a connection hole is formed on the top of the magnetic circuit system, and the insulation pad is The side where the thermal pad is connected to the magnetic circuit system is provided with a protrusion matching the connecting hole, and the protrusion is embedded in the connecting hole.
  • the thermal insulation pad and the magnetic circuit system are connected by glue, and a glue overflow groove is opened on the side of the thermal insulation pad close to the magnetic circuit system.
  • a telescopic part that can be stretched and compressed is provided on the dust cap body, and the fixed part of the dust cap body is fixedly connected to the top of the magnetic circuit system of the horn, and the edge of the telescopic part of the dust cap body is connected to the cone
  • the components are connected.
  • the vibration amplitude of the telescopic part of the dust cap body near the fixed part is extremely small.
  • only the edge of the telescopic part vibrates following the cone assembly. While ensuring the vibration stroke of the cone assembly, the space in the horn is greatly saved, which is beneficial to ensure the overall ultra-thin structure of the horn.
  • Figure 1 is a schematic structural diagram of a dust cap assembly provided by the present invention
  • Fig. 2 is a schematic structural diagram of an ultra-thin speaker provided by the present invention.
  • an embodiment of the present invention provides a dust cap assembly
  • the dust cap assembly includes a dust cap body 1, wherein the dust cap body 1 includes a fixed portion 11 and a telescopic portion 12, so
  • the fixed portion 11 is configured to form a fixed connection with the magnetic circuit system of the ultra-thin horn;
  • the telescopic portion 12 is formed by extending outward from the edge of the fixed portion 11, and the edge of the telescopic portion 12 is configured to It is connected with the cone assembly of the ultra-thin horn to cover the magnetic circuit system and voice coil of the ultra-thin horn.
  • the dust cap body 1 is used to prevent foreign matter and dust from falling into the magnetic circuit system and the voice coil and affecting its normal operation.
  • the telescopic portion 12 may form a cylindrical side wall structure around the fixed portion 11, and the telescopic portion 12 is configured to be able to expand or compress with the vibration of the cone assembly.
  • the embodiment of the present invention also provides an ultra-thin horn applied to the dust cap assembly.
  • the ultra-thin horn includes a housing 3, a magnetic circuit system 4, a vibration system 5, and the aforementioned Dust cap assembly;
  • the magnetic circuit system 4 is arranged in the housing 3;
  • the vibration system 5 includes a cone assembly 51 and a voice coil 52, the outer edge of the cone assembly 51 is connected to the housing 3 Above, the middle of the cone assembly 51 has a through hole, the voice coil 52 is fixedly connected to the edge of the through hole, and the voice coil 52 is suspended around the magnetic circuit system 4;
  • the fixed part 11 of the dust cap body 1 in the dust cap assembly forms a fixed connection with the top of the magnetic circuit system 4.
  • the entire dust cap is directly connected to the voice coil of the horn as a part of the vibration system.
  • the voice coil vibrates, the entire dust cap vibrates along with the voice coil.
  • the full height of the speaker including the stroke of the vibration system does not exceed 12mm.
  • the stroke of the general vibration system should be About 3mm, and the size from the top of the magnetic circuit system to the fixed part of the horn is generally about 9mm. As a result, there is almost no space to install the existing dust cap structure.
  • the fixing part 11 of the dust cap body 1 is made into a flat shape, and the flat fixing part 11 is fixedly connected to the top of the magnetic circuit system 4, because the magnetic circuit system 4 is fixed. Therefore, the fixed portion 11 is also fixed, so that the upward stroke of the fixed portion 11 is limited. Since the edge of the telescopic part 12 of the dust cap body 1 is connected with the cone assembly 51 of the ultra-thin horn, in order to avoid the fixed part 11 preventing the cone assembly 51 from preventing upward vibration, the dust cap body of the present invention The telescopic part 12 of 1 is configured to be able to expand or compress with the vibration of the cone assembly 51.
  • the part of the telescopic part 12 close to the fixed part 11 only has a slight vertical movement of about 0.5mm, but the edge of the telescopic part 12 vibrates together with the cone assembly 51, which is equivalent to One end of the telescopic part 12 only vibrates slightly, while the other end vibrates along with the cone assembly 51.
  • the edges of the connected telescopic parts 12 follow the vibration system to vibrate up and down with a stroke of about 3 mm.
  • the telescopic part 12 is not at a fixed height, but can be stretched or compressed following the vibration of the cone assembly 51, it can greatly save the space inside the speaker while ensuring the vibration stroke, which is beneficial to ensure the overall ultra-thin type of the speaker structure.
  • the maximum power of the ultra-thin speaker of the present invention can exceed 20W-30W, its sensitivity is higher, and the resonance frequency can be made lower.
  • the ultra-thin speaker of the present invention can be applied to ultra-thin electronic products such as ultra-thin liquid crystal displays, as a bass or subwoofer speaker.
  • the telescopic portion 12 has corrugated folds 121, and the expansion and compression of the telescopic portion 12 are achieved by the corrugated folds 121; the corrugations 121 include at least two bends. At least two bends are provided to ensure the elastic expansion and contraction effect of the dust cap body.
  • the greater the number of folds 121 the better the elastic expansion and contraction effect of the stretchable portion 12 will be.
  • an increase in the number of bending paths will increase the difficulty of manufacturing the dust cap body and increase the cost of the dust cap body. Therefore, the number of bending paths of the folds 121 should not be too large while ensuring the telescopic effect.
  • the material of the dust cap body 1 is PU (polyurethane).
  • the PU material is not only lighter in weight, but also more elastic.
  • the use of PU material to make the dust cap body is beneficial to the telescopic movement of the extension and contraction part 12.
  • the dust cap assembly further includes a heat insulation pad 2 fixedly arranged on the inner side of the fixing portion 11, and the heat insulation pad 2 is configured to The magnetic circuit system 4 of the horn is fixedly connected. If the body of the dust cap is directly connected to the magnetic circuit system, the long-term working temperature of the magnet may reach above 100°C, so it may cause the deformation of the dust cap body and affect the service life of the product, especially for the dust cap body made of PU material. Even more so.
  • a heat insulation pad is added between the dust cap body and the magnetic circuit system.
  • the heat insulation pad can be made of plastic material, which can play a good heat insulation effect and make the dust cap body not easily deformed during operation. In this embodiment, the heat insulation pad 2 completely isolates the fixed portion 11 of the dust cap body 1 from the magnetic circuit system, and the heat insulation effect is good.
  • the dust cap body 1 provided by the present invention is not limited to only one embodiment.
  • a through hole is opened in the middle of the fixing portion 11, and the dust cap assembly further includes a heat insulation pad 2.
  • the edge of the heat insulation pad 2 is arranged on the outside of the fixing portion 11, and the middle part of the heat insulation pad 2 is configured to be fixedly connected to the magnetic circuit system 4 of the ultra-thin speaker via the through hole.
  • This design is because the fixing part 11 of the dust cap body has a structure with a through hole in the middle, so it is beneficial to reduce the material of the dust cap body 1 and reduce the quality of the dust cap body 1.
  • the edge of the fixed portion 11 is still directly connected with the magnetic circuit system, the heat insulation effect is not as good as the previous embodiment.
  • the telescopic part 12 extends outwardly away from the edge of the fixed part 11 to form a flange 122, and the flange 122 is configured to be connected to the cone assembly 51 of the ultra-thin speaker.
  • the entire dust cap body 1 forms a shape similar to a top hat, and the setting of the flange 122 can facilitate the connection between the telescopic part 12 and the cone assembly 51, so that the connection between the telescopic part 12 and the cone assembly 51 is more tight and firm.
  • the material of the heat insulation pad 2 is PP (polypropylene).
  • the insulation pad made of PP has low cost and excellent insulation effect.
  • the top of the magnetic circuit system 4 is provided with a connecting hole 41
  • the side of the thermal insulation pad 2 connected to the magnetic circuit system 4 is provided with a protrusion 21 matching the connecting hole 41
  • the protrusion 21 is embedded in the connecting hole 41.
  • the matching connection of the protrusion 21 and the connecting hole 41 can help the positioning accuracy of the heat insulation pad 2 and the magnetic circuit system 4 when connected, and, when the protrusion 21 and the connecting hole 41 are interference fit, the heat insulation can be improved.
  • the thermal insulation pad 2 and the magnetic circuit system 4 are connected by glue, and glue is usually applied around the protrusion 21; the thermal insulation pad 2 has an overflow on the side close to the magnetic circuit system 4
  • Glue tank 22 prevents glue overflow.
  • the glue overflow groove 22 may be set as an integral annular groove, or a plurality of glue overflow grooves 22 may be arranged in a discretely distributed manner. Since the glue is applied on the plane between the heat insulation pad 2 and the top of the magnetic circuit system 4 for bonding, the glue overflow will inevitably occur when the heat insulation pad 5 and the magnetic circuit system 4 are pressed together. Glue spilling onto other components will affect the quality of the product, and the opening of the glue overflow tank 22 can effectively avoid this technical problem.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

本发明公开了一种防尘帽组件及超薄喇叭，该防尘帽组件包括防尘帽本体，所述防尘帽本体包括固定部及伸缩部，所述固定部被配置为与超薄喇叭的磁路系统形成固定连接；所述伸缩部从所述固定部的边缘向外延伸形成，所述伸缩部的边缘被配置为与超薄喇叭的锥盆组件连接，以罩住超薄喇叭的磁路系统和音圈，所述伸缩部被配置为能够随着锥盆组件的振动而伸展或压缩。本发明提供的防尘帽组件能够在保证振动冲程的同时满足超薄喇叭的设计需要。

Description

一种防尘帽组件及超薄喇叭 技术领域
本发明属于电声换能装置技术领域，具体地，涉及一种防尘帽组件及超薄喇叭。
背景技术
喇叭是一种把电信号转变为声音的换能器件，音频电能通过电磁、压电或静电效应，使锥盆或振膜振动并与周围的空气产生共振而发出声音。喇叭在音响设备中是一个最薄弱的器件，而对于音响效果而言，它又是一个最重要的部件。在超薄液晶显示器等超薄类电子产品上需要应用到超薄型喇叭，在目前现有的喇叭中，防尘帽为固定高度，且防尘帽与音圈直接相连作为振动系统的一部分，当涉及超薄型喇叭时，喇叭的总厚度除去磁路系统的厚度和振动系统的冲程，几乎没有空间再安置常规的防尘帽结构。
有鉴于此，需要提供一种新的防尘帽结构以解决上述技术问题。
发明内容
本发明的一个目的是提供一种防尘帽组件及超薄喇叭的新的技术方案。
根据本发明的第一方面，提供了一种防尘帽组件，包括防尘帽本体，所述防尘帽本体包括：
固定部，所述固定部被配置为用于与超薄喇叭的磁路系统形成固定连接；
伸缩部，所述伸缩部从所述固定部的边缘向外延伸形成，所述伸缩部 的边缘被配置为用于与超薄喇叭的锥盆组件连接，以罩住超薄喇叭的磁路系统和音圈，所述伸缩部被配置为能够随着锥盆组件的振动而伸展或压缩。
可选地，所述伸缩部具有波纹管状的褶皱，所述褶皱包括至少两道弯折。
可选地，所述防尘帽组件还包括隔热垫，所述隔热垫固定设置在所述固定部的内侧，所述隔热垫被配置为用于与超薄喇叭的磁路系统固定连接。
可选地，所述防尘帽组件还包括隔热垫，所述固定部的中部开设有通孔，所述隔热垫的边缘设置在固定部的外侧，所述隔热垫的中部被配置为用于经由所述通孔与超薄喇叭的磁路系统固定连接。
可选地，所述伸缩部远离所述固定部的边缘向外延伸形成有翻边，所述翻边被配置为用于与超薄喇叭的锥盆组件连接。
可选地，所述防尘帽本体的材质为PU。
可选地，所述隔热垫的材质为PP。
根据本发明的另一方面，提供了一种超薄喇叭，所述超薄喇叭包括：
壳体；
磁路系统，所述磁路系统设置在所述壳体内；
振动系统，所述振动系统包括锥盆组件和音圈，所述锥盆组件的外围边缘连接在所述壳体上，所述锥盆组件的中部具有通孔，所述音圈固定连接在所述通孔的边缘处，所述音圈环绕悬置在所述磁路系统周围；
如上所述的防尘帽组件，所述防尘帽组件中防尘帽本体的固定部与所述磁路系统的顶部形成固定连接。
可选地，所述防尘帽组件还包括隔热垫，所述隔热垫被配置为用于与所述磁路系统固定连接；所述磁路系统的顶部开设有连接孔，所述隔热垫与磁路系统连接的一侧设置有与连接孔相匹配的凸起，所述凸起嵌入所述连接孔内设置。
可选地，所述隔热垫与磁路系统通过胶粘连接，所述隔热垫靠近磁路 系统的一侧开设有溢胶槽。
本发明通过在防尘帽本体上设置能够伸展及压缩的伸缩部，并且将防尘帽本体的固定部与喇叭的磁路系统的顶部固定连接，且防尘帽本体的伸缩部边缘与锥盆组件连接，当防尘帽本体跟随锥盆组件一起振动时，防尘帽本体的伸缩部中靠近固定部的部位振动幅度极小，基本上只有伸缩部的边缘跟随锥盆组件发生振动，因此在保证锥盆组件振动冲程的同时极大地节省了喇叭内的空间，有利于保证该喇叭整体的超薄型结构。
通过以下参照附图对本发明的示例性实施例的详细描述，本发明的其它特征及其优点将会变得清楚。
附图说明
被结合在说明书中并构成说明书的一部分的附图示出了本发明的实施例，并且连同其说明一起用于解释本发明的原理。
图1为本发明提供的一种防尘帽组件的结构示意图；
图2为本发明提供的一种超薄喇叭的结构示意图。
具体实施方式
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到：除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。
在这里示出和讨论的所有例子中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它例子可以具有不同的 值。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
参考图1所示，本发明实施例提供了一种防尘帽组件，该防尘帽组件包括防尘帽本体1，其中，所述防尘帽本体1包括固定部11及伸缩部12，所述固定部11被配置为用于与超薄喇叭的磁路系统形成固定连接；所述伸缩部12从所述固定部11的边缘向外延伸形成，所述伸缩部12的边缘被配置为用于与超薄喇叭的锥盆组件连接，以罩住超薄喇叭的磁路系统和音圈。所述防尘帽本体1用于防止外界的异物、灰尘落入到磁路系统和音圈内影响其正常工作。伸缩部12可以在固定部11周围形成类似于筒状的侧壁结构，所述伸缩部12被配置为能够随着锥盆组件的振动而伸展或压缩。
参考图2所示，本发明实施例还提供了上述防尘帽组件所应用的一种超薄喇叭，所述超薄喇叭包括壳体3、磁路系统4、振动系统5以及如上所述的防尘帽组件；所述磁路系统4设置在所述壳体3内；所述振动系统5包括锥盆组件51和音圈52，所述锥盆组件51的外围边缘连接在所述壳体3上，所述锥盆组件51的中部具有通孔，所述音圈52固定连接在所述通孔的边缘处，所述音圈52环绕悬置在所述磁路系统4周围；所述防尘帽组件中防尘帽本体1的固定部11与所述磁路系统4的顶部形成固定连接。
在现有技术中，防尘帽整体与喇叭的音圈直接连接作为振动系统的一部分，当音圈振动时，防尘帽整体跟随音圈一起振动。对于超薄型喇叭，一般要求喇叭包括振动系统的冲程在内的全高不超过12mm，如果为了保证音圈具有较强的超低音效果同时又能够承受较大的功率，一般振动系统的冲程要在3mm左右，而磁路系统的顶部到喇叭固定部的尺寸一般为9mm左右，这样一来，几乎没有空间再去安装现有的防尘帽结构。在本发明的防尘帽组件中，将防尘帽本体1的固定部11做成平面状，并且平面状的固 定部11固定连接在磁路系统4的顶部，由于磁路系统4固定不动，因此固定部11也固定不动，这样一来就限至了固定部11向上的冲程。由于防尘帽本体1的伸缩部12的边缘与超薄喇叭的锥盆组件51连接，为了避免因为固定不动的固定部11而阻止锥盆组件51的向上振动，本发明的防尘帽本体1的伸缩部12被配置为能够随着锥盆组件51的振动而伸展或压缩。因此当振动系统的锥盆组件51振动时，伸缩部12中靠近固定部11的部位几乎只有0.5mm左右的细微的上下运动，但伸缩部12的边缘跟随锥盆组件51一起进行振动，相当于伸缩部12的一端只进行细微振动，而另一端跟随锥盆组件51一起振动，这样就能够保证锥盆组件51及音圈52的振动系统能够拥有3mm左右的冲程，此时与锥盆组件51连接的伸缩部12的边缘跟随振动系统一起进行冲程为3mm左右的上下振动。同时由于伸缩部12不是固定的高度，而是能够跟随锥盆组件51的振动进行伸展或压缩，因此能够在保证振动冲程的同时极大地节省喇叭内的空间，有利于保证喇叭整体的超薄型结构。此外，由于确保了音圈的冲程范围，因此本发明的超薄喇叭的最大功率可突破20W-30W，其灵敏度更高，谐振频率可以做得更低。本发明的超薄型喇叭可应用于超薄液晶显示器等超薄类电子产品上，作为低音或超低音喇叭用。
参考图1所示，在一个实施例中，所述伸缩部12具有波纹管状的褶皱121，通过波纹管状的褶皱121实现伸缩部12的伸展与压缩；所述褶皱121包括至少两道弯折。设置至少两道弯折是为了确保该防尘帽本体弹性伸缩的效果。一般来说，褶皱121弯折的数量越多时，伸缩部12弹性伸缩的效果会越好。但是弯折道数增多会加大该防尘帽本体的制作难度，增加该防尘帽本体的成本，因此褶皱121的弯折道数在确保伸缩效果的同时不宜过多。
在一个实施例中，所述防尘帽本体1的材质为PU(聚氨酯)。PU材质不仅质量较轻，并且弹性较好，采用PU材质制作防尘帽本体有利于伸 缩部12的伸缩运动。
在一个实施例中，所述防尘帽组件还包括隔热垫2，所述隔热垫2固定设置在所述固定部11的内侧，所述隔热垫2被配置为用于与超薄喇叭的磁路系统4固定连接。如果将防尘帽本体直接与磁路系统连接，由于磁铁长期工作温度可能达到100℃以上，因此有可能导致防尘帽本体的变形，影响产品的使用寿命，尤其对于PU材质的防尘帽本体更是如此。在防尘帽本体与磁路系统中间增加一个隔热垫，隔热垫可以选用塑胶材质，能够起到良好的隔热作用，使防尘帽本体在作业时不易变形。在本实施例中，隔热垫2将防尘帽本体1的固定部11与磁路系统进行完全隔离，隔热效果良好。
本发明提供的防尘帽本体1并不限于只有一种实施方式，在另一个实施例中，所述固定部11的中部开设有通孔，所述防尘帽组件还包括隔热垫2，所述隔热垫2的边缘设置在固定部11的外侧，所述隔热垫2的中部被配置为用于经由所述通孔与超薄喇叭的磁路系统4固定连接。这样的设计由于防尘帽本体的固定部11为中部具有通孔的结构，因此有利于减少防尘帽本体1的用料、减轻防尘帽本体1的质量。但是由于固定部11的边缘还是会和磁路系统发生直接的连接，因此隔热效果不如前一个实施例好。
在一个实施例中，所述伸缩部12远离所述固定部11的边缘向外延伸形成有翻边122，所述翻边122被配置为用于与超薄喇叭的锥盆组件51连接。这样整个防尘帽本体1构成一个类似于礼帽的形状，翻边122的设置能够方便伸缩部12与锥盆组件51进行连接，使伸缩部12与锥盆组件51得连接更为紧密牢固。
在一个实施例中，所述隔热垫2的材质为PP(聚丙烯)。PP材质的隔热垫成本低廉、隔热效果优良。
在一个实施例中，所述磁路系统4的顶部开设有连接孔41，所述隔热垫2与磁路系统4连接的一侧设置有与连接孔41相匹配的凸起21，所述 凸起21嵌入所述连接孔41内设置。凸起21与连接孔41的匹配连接能够有助于隔热垫2与磁路系统4连接时的定位准确性，并且，当凸起21与连接孔41为过盈配合时，能够提高隔热垫2与磁路系统4连接的稳固性。
在一个实施例中，所述隔热垫2与磁路系统4通过胶粘连接，通常将胶水涂抹在凸起21的周围；所述隔热垫2靠近磁路系统4的一侧开设有溢胶槽22，防止胶水溢出。溢胶槽22可以设置为一个整体的环状槽，也可以是以离散分布的形式设置多个溢胶槽22。由于在隔热垫2与磁路系统4的顶部之间的平面处涂胶进行粘接，因此在隔热垫5与磁路系统4进行压合时会不可避免地存在胶水外溢的现象，如果胶水溢出到其他零部件上会影响产品的质量，而溢胶槽22的开设能够有效避免这一技术问题。
虽然已经通过例子对本发明的一些特定实施例进行了详细说明，但是本领域的技术人员应该理解，以上例子仅是为了进行说明，而不是为了限制本发明的范围。本领域的技术人员应该理解，可在不脱离本发明的范围和精神的情况下，对以上实施例进行修改。本发明的范围由所附权利要求来限定。

Claims (10)

  1. 一种防尘帽组件，其特征在于，包括防尘帽本体，所述防尘帽本体包括：
    固定部，所述固定部被配置为用于与超薄喇叭的磁路系统形成固定连接；
    伸缩部，所述伸缩部从所述固定部的边缘向外延伸形成，所述伸缩部的边缘被配置为用于与超薄喇叭的锥盆组件连接，以罩住超薄喇叭的磁路系统和音圈，所述伸缩部被配置为能够随着锥盆组件的振动而伸展或压缩。
  2. 根据权利要求1所述的防尘帽组件，其特征在于，所述伸缩部具有波纹管状的褶皱，所述褶皱包括至少两道弯折。
  3. 根据权利要求1所述的防尘帽组件，其特征在于，所述防尘帽组件还包括隔热垫，所述隔热垫固定设置在所述固定部的内侧，所述隔热垫被配置为用于与超薄喇叭的磁路系统固定连接。
  4. 根据权利要求1所述的防尘帽组件，其特征在于，所述防尘帽组件还包括隔热垫，所述固定部的中部开设有通孔，所述隔热垫的边缘设置在固定部的外侧，所述隔热垫的中部被配置为用于经由所述通孔与超薄喇叭的磁路系统固定连接。
  5. 根据权利要求1所述的防尘帽组件，其特征在于，所述伸缩部远离所述固定部的边缘向外延伸形成有翻边，所述翻边被配置为用于与超薄喇叭的锥盆组件连接。
  6. 根据权利要求1-5中任一项所述的防尘帽组件，其特征在于，所述防尘帽本体的材质为PU。
  7. 根据权利要求1-5中任一项所述的防尘帽组件，其特征在于，所述隔热垫的材质为PP。
  8. 一种超薄喇叭，其特征在于，所述超薄喇叭包括：
    壳体；
    磁路系统，所述磁路系统设置在所述壳体内；
    振动系统，所述振动系统包括锥盆组件和音圈，所述锥盆组件的外围边缘连接在所述壳体上，所述锥盆组件的中部具有通孔，所述音圈固定连接在所述通孔的边缘处，所述音圈环绕悬置在所述磁路系统周围；
    如权利要求1-7中任一项所述的防尘帽组件，所述防尘帽组件中防尘帽本体的固定部与所述磁路系统的顶部形成固定连接。
  9. 根据权利要求8所述的超薄喇叭，其特征在于，所述防尘帽组件还包括隔热垫，所述隔热垫被配置为用于与所述磁路系统固定连接；所述磁路系统的顶部开设有连接孔，所述隔热垫与磁路系统连接的一侧设置有与连接孔相匹配的凸起，所述凸起嵌入所述连接孔内设置。
  10. 根据权利要求9所述的超薄喇叭，其特征在于，所述隔热垫与磁路系统通过胶粘连接，所述隔热垫靠近磁路系统的一侧开设有溢胶槽。
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