WO2021109176A1 - Loudspeaker box and terminal device - Google Patents
Loudspeaker box and terminal device Download PDFInfo
- Publication number
- WO2021109176A1 WO2021109176A1 PCT/CN2019/124263 CN2019124263W WO2021109176A1 WO 2021109176 A1 WO2021109176 A1 WO 2021109176A1 CN 2019124263 W CN2019124263 W CN 2019124263W WO 2021109176 A1 WO2021109176 A1 WO 2021109176A1
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- Prior art keywords
- air
- cover plate
- permeable
- cavity
- rear cavity
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Classifications
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
Definitions
- the utility model relates to the technical field of sound-to-electric conversion, in particular to a speaker box and terminal equipment.
- an L-shaped plug-in board is designed in the cavity on the left side of the monomer, but the L-shaped plug-in board occupies a large volume, resulting in a small filling volume of the sound-absorbing material, and the performance is not significantly improved; or only a unilateral plug-in board is designed near the monomer.
- the area on the right side of the insert plate is filled with sound-absorbing material.
- the air-permeable area of the sound-absorbing material is small, and the air flow of the sound-absorbing material away from the insert plate area is not smooth.
- the purpose of the utility model is to provide a loudspeaker box to solve the technical problem that the performance of the loudspeaker box cannot be greatly improved due to the small filling volume and small air-permeable area of the sound-absorbing material in the prior art.
- a speaker box comprising an upper cover plate, a lower cover plate enclosing the upper cover plate to form a containing space, and a sounding unit contained in the containing space, and the sounding unit connects the
- the accommodating space is divided into a front cavity and a rear cavity.
- the sound emitting monomer and the upper cover plate enclose the front cavity.
- the speaker box further includes a speaker box that extends from the upper cover plate to the rear cavity and is connected to the rear cavity.
- the first air-permeable spacer fixed to the lower cover plate the first air-permeable spacer separates the rear cavity into a first rear cavity and a second rear cavity communicating with the first rear cavity, and the sounding unit
- the body is fixed to the second rear cavity
- the lower cover plate is provided with a surrounding wall protruding into the first rear cavity
- the speaker box further includes a breathable mesh covering the surrounding wall
- the air-permeable mesh cloth divides the first rear cavity into a sound-absorbing cavity located on the side of the air-permeable mesh cloth away from the surrounding wall and used for accommodating sound-absorbing materials, and a sound-absorbing cavity located near the wall of the air-permeable mesh cloth.
- the air-permeable cavity on the side is enclosed and formed by the air-permeable mesh cloth, the surrounding wall and the lower cover plate.
- the lower cover plate includes a main body portion and a surrounding portion extending from the main body portion toward the upper cover plate, and the main body portion extends toward the upper cover plate to form the surrounding wall.
- the surrounding wall and the first air-permeable spacer are arranged at intervals.
- the surrounding wall has a square ring structure.
- the surrounding wall includes a first convex wall and a second convex wall that is connected end to end with the first convex wall to form a ring shape, and the first convex wall extends along the inner edge of the enclosed portion. Connected with the enclosed portion, the second convex wall and the first air-permeable spacer are arranged at intervals.
- each of the fixing portions includes two oppositely arranged clamping walls, and the first air-permeable spacer It is clamped between two adjacent clamp walls.
- the first air-permeable spacer includes a fixing plate and a first air-permeable mesh cloth attached to the fixing plate, the fixing plate is provided with air-permeable holes, and the first air-permeable mesh cloth covers the air-permeable mesh. hole.
- the upper cover plate is provided with a filling hole communicating with the second rear cavity.
- the upper cover plate is provided with a sound hole communicating with the front cavity.
- a terminal device includes the speaker box as described above.
- the lower cover plate is provided with a surrounding wall protruding toward the first rear cavity, and the surrounding wall is covered by a breathable mesh cloth, thereby dividing the first rear cavity into a sound-absorbing cavity for accommodating sound-absorbing materials
- the breathable cavity is enclosed by a breathable mesh, a wall and a lower cover.
- the first rear cavity is divided into a sound-absorbing cavity and a breathable cavity by the surrounding wall and the breathable mesh, which not only effectively improves the filling of sound-absorbing materials Volume, that is, the volume of the sound-absorbing cavity, and at the same time increase the air-permeable area of the air-permeable mesh, so that the space of the first rear cavity can be effectively used.
- the use of this technical solution solves the problem of the small filling volume and small air-permeable area of the sound-absorbing material in the prior art. It is a technical problem that the performance of the speaker box cannot be greatly improved.
- Figure 1 is a schematic diagram of the overall structure of a speaker box of the utility model
- Fig. 2 is a schematic diagram of an exploded structure of Fig. 1;
- Figure 3 is a schematic diagram of the structure of the lower cover
- Figure 4 is a cross-sectional view in the direction of A-A in Figure 1;
- Fig. 5 is a partial enlarged view of B in Fig. 4.
- a speaker box comprising an upper cover plate 11, a lower cover plate 12 enclosing the upper cover plate 11 to form a receiving space 30, and a sound emitting unit 20 contained in the receiving space 30,
- the sounding monomer 20 divides the housing space 30 into a front cavity 31 and a rear cavity 32.
- the sounding monomer 20 and the upper cover 11 form a front cavity 31.
- the speaker box also includes the upper cover 11 extending from the upper cover 11 to the rear cavity 32 and is connected with The first air-permeable spacer 40 fixed to the lower cover 12, the first air-permeable spacer 40 separates the rear cavity 32 into a first rear cavity 321 and a second rear cavity 322 communicating with the first rear cavity 321, and a sounding monomer 20 Fixed to the second rear cavity 322, the lower cover 12 is provided with a surrounding wall 60 protruding into the first rear cavity 321.
- the speaker box also includes a breathable mesh 50 covering the surrounding wall 60.
- the breathable mesh 50 connects the first rear
- the cavity 321 is divided into a sound-absorbing cavity 3211 located on the side of the breathable mesh 50 away from the surrounding wall 60 and used for accommodating sound-absorbing materials, and a breathable cavity 3212 located on the side of the breathable mesh 50 close to the surrounding wall 60.
- the breathable cavity 3212 is composed of the breathable mesh 50.
- the surrounding wall 60 and the lower cover 12 are enclosed and formed.
- the sound emitting unit 20 divides the receiving space 30 into a front cavity 31 and a rear cavity 32.
- the front cavity 31 is used for sound generation
- the rear cavity 32 is used for improving low-frequency acoustic performance.
- the rear cavity 32 is partitioned into a first rear cavity 321 and a second rear cavity 322 filled with sound-absorbing materials by the first air-permeable spacer 40.
- the acoustic performance is not significantly improved.
- the lower cover 12 is provided with a surrounding wall 60 protruding toward the first rear cavity 321, and the surrounding wall 60 is covered by the breathable mesh 50, thereby dividing the first rear cavity 321 into a sound-absorbing
- the sound-absorbing cavity 3211 and the air-permeable cavity 3212 are made of materials.
- the air-permeable cavity 3212 is enclosed by the air-permeable mesh 50, the surrounding wall 60 and the lower cover plate 12; the first rear cavity 321 is separated by the surrounding wall 60 and the air-permeable mesh 50.
- the sound-absorbing cavity 3211 and the air-permeable cavity 3212 not only effectively expand the filling volume of the sound-absorbing material, that is, the volume of the sound-absorbing cavity 3211, but also increase the air-permeable area of the air-permeable mesh 50, so that the space of the first rear cavity 321 can be effectively used.
- the technical solution solves the technical problem that the performance of the speaker box cannot be greatly improved due to the small filling volume of the sound-absorbing material and the small air-permeable area in the prior art.
- the lower cover 12 includes a main body 121 and a surrounding portion 122 extending from the main body 121 toward the upper cover 11, and the main body 121 extends toward the upper cover 11 to form a surrounding wall 60. That is, in the embodiment, the surrounding wall 60 is provided on the lower cover plate 12, and when the breathable mesh 50 is attached to the surrounding wall 60 to form a breathable cavity 3212, the distance between the breathable cavity 3212 and the second rear cavity 322 is relatively close, so Better play its role in the ventilation of sound-absorbing materials.
- the surrounding wall 60 and the first air-permeable spacer 40 are spaced apart, that is, the air-permeable mesh cloth 50 and the first air-permeable spacer 40 are spaced apart, which not only reduces the space occupied by the surrounding wall 60 in the rear cavity 32, but also The air permeability of the first air-permeable spacer 40 and the air-permeable mesh cloth 50 is fully realized.
- the surrounding wall 60 has a square ring structure.
- the surrounding wall 60 includes a first convex wall 61 and a second convex wall 62 that is connected end to end with the first convex wall 61 to form a ring.
- the first convex wall 61 Extending along the inner edge of the enclosing portion 122 and being connected to the enclosing portion 122, the second convex wall 62 and the first air-permeable spacer 40 are arranged at intervals, which not only ensures that the volume of the air-permeable cavity 3212 is sufficient, but also reduces the volume of the air-permeable cavity 3212. It is separated from the first air-permeable partition 40. .
- both the upper cover plate 11 and the lower cover plate 12 are provided with fixing portions 80 extending into the rear cavity 32, and each fixing portion 80 includes two oppositely arranged clamping walls 81, and the first air-permeable spacer 40 clamps It is held between two adjacent clamping walls 81.
- the first air-permeable spacer 40 is fixed by the two clamping walls 81 of the fixing part 80, which not only ensures the stability of the first air-permeable spacer 40 in the rear cavity 32, but also facilitates the smooth progress of the speaker box assembly work.
- the first breathable spacer 40 includes a fixing plate 41 and a first breathable mesh 42 attached to the fixing plate 41.
- the fixing plate 41 is provided with breathable holes 411, and the first breathable mesh 42 covers the breathable ⁇ 411.
- the first air-permeable mesh cloth 42 is stably fixed on the fixing portion 80 by the fixing plate 41, and at the same time, through holes are opened on the fixing plate 41 to maintain the air-permeable isolation effect of the first air-permeable mesh cloth 42.
- the upper cover plate 11 is provided with a sound hole 112 communicating with the front cavity 31, and the upper cover plate 11 is provided with a filling hole 111 communicating with the second rear cavity 322, and the filling hole 111 is connected to the second cavity.
- a rear cavity 321 is filled with sound-absorbing material.
- the utility model also provides a terminal device, which includes the aforementioned speaker box.
- first and second in the specification and claims of the application and the above-mentioned drawings are used to distinguish similar objects, and not necessarily used to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein, for example.
- the terms “including” and “having” and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those clearly listed. Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment.
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- Acoustics & Sound (AREA)
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- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a loudspeaker box and a terminal device. The loudspeaker box comprises an upper cover plate, a lower cover plate, and a sound generation unit. The sound generation unit and the upper cover plate enclose a front cavity. The sound generation unit, the upper cover plate, and the lower cover plate enclose a rear cavity. The loudspeaker box further comprises a first air-permeable spacer extending from the upper cover plate to the rear cavity and fixed to the lower cover plate. The first air-permeable spacer divides the rear cavity into a first rear cavity and a second rear cavity communicated with the first rear cavity. The lower cover plate is provided with an enclosing wall protruding inwards the first rear cavity. The loudspeaker box further comprises air-permeable mesh cloth covering the enclosing wall. The air-permeable mesh cloth divides the first rear cavity into a sound-absorbing cavity located on the side of the air-permeable mesh cloth far away from the enclosing wall and used for accommodating a sound-absorbing material, and an air-permeable cavity located on the side of the air-permeable mesh cloth close to the enclosing wall. The air-permeable cavity is enclosed by the air-permeable mesh cloth, the enclosing wall, and the lower cover plate. The use of the technical solution solves the technical problem in the prior art that the performance of the loudspeaker box cannot be greatly improved due to a small filling volume and small air-permeable area of the sound-absorbing material.
Description
本实用新型涉及声电转换技术领域，尤其涉及一种扬声器箱及终端设备。The utility model relates to the technical field of sound-to-electric conversion, in particular to a speaker box and terminal equipment.
随着科学技术的快速发展，人们对生活品质的追求越来越高，而便携式多媒体视听设备如笔记本电脑、手机等作为日常生活中的体验扬声器箱，人们对其要求也越来越高，特别是其音效的性能要求，现有技术中为了改善扬声器箱低频性能不理想的问题，一般通过在扬声器箱的壳体上开设灌装孔填充吸音材料进行改进。例如:在单体左侧腔体内设计L型插板，但是L型插板占据体积大，导致吸音材料的填充体积小，性能无明显提升; 或者只在靠近单体处设计单边插板，插板右侧区域填充吸音材料，然而次技术方案中吸音材料的透气面积小，远离插板区域的吸音材料气流不通畅，吸音材料起不到作用，同样导致性能提升不明显。With the rapid development of science and technology, people’s pursuit of quality of life is getting higher and higher, and portable multimedia audio-visual equipment such as notebook computers, mobile phones, etc. are used as experience speaker boxes in daily life, and people’s requirements are getting higher and higher. It is the performance requirement of the sound effect. In the prior art, in order to improve the problem of unsatisfactory low-frequency performance of the speaker box, it is generally improved by opening a filling hole on the shell of the speaker box to fill with sound-absorbing material. For example, an L-shaped plug-in board is designed in the cavity on the left side of the monomer, but the L-shaped plug-in board occupies a large volume, resulting in a small filling volume of the sound-absorbing material, and the performance is not significantly improved; or only a unilateral plug-in board is designed near the monomer. The area on the right side of the insert plate is filled with sound-absorbing material. However, in the sub-technical solution, the air-permeable area of the sound-absorbing material is small, and the air flow of the sound-absorbing material away from the insert plate area is not smooth.
因此，有必要提供一种改善上述问题的扬声器箱。Therefore, it is necessary to provide a speaker box that improves the above-mentioned problems.
本实用新型的目的在于提供一种扬声器箱，以解决现有技术中因吸音材料的填充体积小、透气面积小而无法大幅度提高扬声器箱性能的技术问题。The purpose of the utility model is to provide a loudspeaker box to solve the technical problem that the performance of the loudspeaker box cannot be greatly improved due to the small filling volume and small air-permeable area of the sound-absorbing material in the prior art.
本实用新型的技术方案如下：The technical scheme of the utility model is as follows:
一种扬声器箱，所述扬声器箱包括上盖板、与所述上盖板围合形成收容空间的下盖板和收容于所述收容空间中的发声单体，所述发声单体将所述收容空间分隔成前腔和后腔，所述发声单体与所述上盖板围合形成所述前腔，所述扬声器箱还包括自所述上盖板延伸至所述后腔并与所述下盖板固定的第一透气隔离件，所述第一透气隔离件将所述后腔分隔成第一后腔和与所述第一后腔相连通的第二后腔，所述发声单体固定于所述第二后腔，其特征在于，所述下盖板朝所述第一后腔内凸设有围壁，所述扬声器箱还包括盖设于所述围壁的透气网布，所述透气网布将所述第一后腔分隔成位于所述透气网布远离所述围壁一侧且用于收容吸音材料的吸音腔以及位于所述透气网布靠近所述围壁一侧的透气腔，所述透气腔由所述透气网布、所述围壁以及所述下盖板围合形成。A speaker box comprising an upper cover plate, a lower cover plate enclosing the upper cover plate to form a containing space, and a sounding unit contained in the containing space, and the sounding unit connects the The accommodating space is divided into a front cavity and a rear cavity. The sound emitting monomer and the upper cover plate enclose the front cavity. The speaker box further includes a speaker box that extends from the upper cover plate to the rear cavity and is connected to the rear cavity. The first air-permeable spacer fixed to the lower cover plate, the first air-permeable spacer separates the rear cavity into a first rear cavity and a second rear cavity communicating with the first rear cavity, and the sounding unit The body is fixed to the second rear cavity, wherein the lower cover plate is provided with a surrounding wall protruding into the first rear cavity, and the speaker box further includes a breathable mesh covering the surrounding wall The air-permeable mesh cloth divides the first rear cavity into a sound-absorbing cavity located on the side of the air-permeable mesh cloth away from the surrounding wall and used for accommodating sound-absorbing materials, and a sound-absorbing cavity located near the wall of the air-permeable mesh cloth. The air-permeable cavity on the side is enclosed and formed by the air-permeable mesh cloth, the surrounding wall and the lower cover plate.
进一步地，所述下盖板包括主体部和自所述主体部朝向所述上盖板延伸形成的围合部，所述主体部朝向所述上盖板延伸形成所述围壁。Further, the lower cover plate includes a main body portion and a surrounding portion extending from the main body portion toward the upper cover plate, and the main body portion extends toward the upper cover plate to form the surrounding wall.
进一步地，所述围壁与所述第一透气隔离件间隔设置。Further, the surrounding wall and the first air-permeable spacer are arranged at intervals.
进一步地，所述围壁呈方形环状结构。Further, the surrounding wall has a square ring structure.
进一步地，所述围壁包括第一凸墙和与所述第一凸墙首尾相接围成环状的第二凸墙，所述第一凸墙沿所述围合部的内边缘延伸并与所述围合部相接，所述第二凸墙与所述第一透气隔离件间隔设置。Further, the surrounding wall includes a first convex wall and a second convex wall that is connected end to end with the first convex wall to form a ring shape, and the first convex wall extends along the inner edge of the enclosed portion. Connected with the enclosed portion, the second convex wall and the first air-permeable spacer are arranged at intervals.
进一步地，所述上盖板和所述下盖板均设置有延伸至所述后腔内的固定部，每一所述固定部包括两个相对设置的夹壁，所述第一透气隔离件夹持在相邻两所述夹壁之间。Further, the upper cover plate and the lower cover plate are both provided with fixing portions extending into the rear cavity, each of the fixing portions includes two oppositely arranged clamping walls, and the first air-permeable spacer It is clamped between two adjacent clamp walls.
进一步地，所述第一透气隔离件包括固定板和贴设在所述固定板上的第一透气网布，所述固定板上开设有透气孔，所述第一透气网布覆盖所述透气孔。Further, the first air-permeable spacer includes a fixing plate and a first air-permeable mesh cloth attached to the fixing plate, the fixing plate is provided with air-permeable holes, and the first air-permeable mesh cloth covers the air-permeable mesh. hole.
进一步地，所述上盖板开设有与所述第二后腔相连通的灌装孔。Further, the upper cover plate is provided with a filling hole communicating with the second rear cavity.
进一步地，所述上盖板开设有与所述前腔相连通的出声孔。Further, the upper cover plate is provided with a sound hole communicating with the front cavity.
进一步地，一种终端设备，所述终端设备包括如前所述的扬声器箱。Further, a terminal device includes the speaker box as described above.
本实用新型的有益效果在于：下盖板朝向第一后腔内凸设有围壁，并由透气网布盖设围壁，从而将第一后腔分隔成了用于收容吸音材料的吸音腔和透气腔，透气腔是由透气网布、围壁以及下盖板围合而成，通过围壁和透气网布将第一后腔分隔成吸音腔和透气腔，不仅有效提升吸音材料的填充体积，即吸音腔的体积，同时增加了透气网布的透气面积，使第一后腔的空间得到有效利用，运用本技术方案解决了现有技术中因吸音材料的填充体积小、透气面积小而无法大幅度提高扬声器箱性能的技术问题。The beneficial effects of the utility model are: the lower cover plate is provided with a surrounding wall protruding toward the first rear cavity, and the surrounding wall is covered by a breathable mesh cloth, thereby dividing the first rear cavity into a sound-absorbing cavity for accommodating sound-absorbing materials And the breathable cavity, the breathable cavity is enclosed by a breathable mesh, a wall and a lower cover. The first rear cavity is divided into a sound-absorbing cavity and a breathable cavity by the surrounding wall and the breathable mesh, which not only effectively improves the filling of sound-absorbing materials Volume, that is, the volume of the sound-absorbing cavity, and at the same time increase the air-permeable area of the air-permeable mesh, so that the space of the first rear cavity can be effectively used. The use of this technical solution solves the problem of the small filling volume and small air-permeable area of the sound-absorbing material in the prior art. It is a technical problem that the performance of the speaker box cannot be greatly improved.
图1为本实用新型的一种扬声器箱的整体结构示意图；
Figure 1 is a schematic diagram of the overall structure of a speaker box of the utility model;
图2为图1的分解结构示意图；Fig. 2 is a schematic diagram of an exploded structure of Fig. 1;
图3为下盖板的结构示意图；Figure 3 is a schematic diagram of the structure of the lower cover;
图4为图1中A-A方向的剖视图；Figure 4 is a cross-sectional view in the direction of A-A in Figure 1;
图5为图4中B处的局部放大图。Fig. 5 is a partial enlarged view of B in Fig. 4.
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本实用新型。It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present utility model will be described in detail with reference to the drawings and the embodiments.
应该指出，以下详细说明都是例示性的，旨在对本申请提供进一步的说明。除非另有指明，本文使用的所有技术和科学术语具有与本申请所属技术领域的普通技术人员通常理解的相同含义。It should be pointed out that the following detailed descriptions are all illustrative and are intended to provide further explanations for the application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and/or "including" are used in this specification, they indicate There are features, steps, operations, devices, components, and/or combinations thereof.
下面结合附图和实施方式对本实用新型作进一步说明。参见图1-图5，一种扬声器箱，该扬声器箱包括上盖板11、与上盖板11围合形成收容空间30的下盖板12和收容于收容空间30中的发声单体20，发声单体20将收容空间30分隔成前腔31和后腔32，发声单体20与上盖板11围合形成前腔31，扬声器箱还包括自上盖板11延伸至后腔32并与下盖板12固定的第一透气隔离件40，第一透气隔离件40将后腔32分隔成第一后腔321和与第一后腔321相连通的第二后腔322，发声单体20固定于第二后腔322，下盖板12朝第一后腔321内凸设有围壁60，扬声器箱还包括盖设于围壁60的透气网布50，透气网布50将第一后腔321分隔成位于透气网布50远离围壁60一侧且用于收容吸音材料的吸音腔3211以及位于透气网布50靠近围壁60一侧的透气腔3212，透气腔3212由透气网布50、围壁60以及下盖板12围合形成。The present utility model will be further explained below in conjunction with the drawings and embodiments. 1 to 5, a speaker box comprising an upper cover plate 11, a lower cover plate 12 enclosing the upper cover plate 11 to form a receiving space 30, and a sound emitting unit 20 contained in the receiving space 30, The sounding monomer 20 divides the housing space 30 into a front cavity 31 and a rear cavity 32. The sounding monomer 20 and the upper cover 11 form a front cavity 31. The speaker box also includes the upper cover 11 extending from the upper cover 11 to the rear cavity 32 and is connected with The first air-permeable spacer 40 fixed to the lower cover 12, the first air-permeable spacer 40 separates the rear cavity 32 into a first rear cavity 321 and a second rear cavity 322 communicating with the first rear cavity 321, and a sounding monomer 20 Fixed to the second rear cavity 322, the lower cover 12 is provided with a surrounding wall 60 protruding into the first rear cavity 321. The speaker box also includes a breathable mesh 50 covering the surrounding wall 60. The breathable mesh 50 connects the first rear The cavity 321 is divided into a sound-absorbing cavity 3211 located on the side of the breathable mesh 50 away from the surrounding wall 60 and used for accommodating sound-absorbing materials, and a breathable cavity 3212 located on the side of the breathable mesh 50 close to the surrounding wall 60. The breathable cavity 3212 is composed of the breathable mesh 50. , The surrounding wall 60 and the lower cover 12 are enclosed and formed.
发声单体20将收容空间30分隔成前腔31和后腔32，前腔31用于发声，后腔32用于改善低频声学性能。为了改善扬声器箱的声学性能，通过第一透气隔离件40将后腔32分隔成用于填充吸音材料的第一后腔321和第二后腔322，然而，声学性能提升不明显。The sound emitting unit 20 divides the receiving space 30 into a front cavity 31 and a rear cavity 32. The front cavity 31 is used for sound generation, and the rear cavity 32 is used for improving low-frequency acoustic performance. In order to improve the acoustic performance of the speaker box, the rear cavity 32 is partitioned into a first rear cavity 321 and a second rear cavity 322 filled with sound-absorbing materials by the first air-permeable spacer 40. However, the acoustic performance is not significantly improved.
在本实用新型中，下盖板12朝向第一后腔321内凸设有围壁60，并通过透气网布50盖设围壁60，从而将第一后腔321分隔成了用于收容吸音材料的吸音腔3211和透气腔3212，透气腔3212是由透气网布50、围壁60以及下盖板12围合而成；通过围壁60和透气网布50将第一后腔321分隔成吸音腔3211和透气腔3212，不仅有效扩大了吸音材料的填充体积，即吸音腔3211的体积，同时增加了透气网布50的透气面积，使第一后腔321的空间得到有效利用，运用本技术方案解决了现有技术中因吸音材料的填充体积小、透气面积小而无法大幅度提高扬声器箱性能的技术问题。In the present invention, the lower cover 12 is provided with a surrounding wall 60 protruding toward the first rear cavity 321, and the surrounding wall 60 is covered by the breathable mesh 50, thereby dividing the first rear cavity 321 into a sound-absorbing The sound-absorbing cavity 3211 and the air-permeable cavity 3212 are made of materials. The air-permeable cavity 3212 is enclosed by the air-permeable mesh 50, the surrounding wall 60 and the lower cover plate 12; the first rear cavity 321 is separated by the surrounding wall 60 and the air-permeable mesh 50 The sound-absorbing cavity 3211 and the air-permeable cavity 3212 not only effectively expand the filling volume of the sound-absorbing material, that is, the volume of the sound-absorbing cavity 3211, but also increase the air-permeable area of the air-permeable mesh 50, so that the space of the first rear cavity 321 can be effectively used. The technical solution solves the technical problem that the performance of the speaker box cannot be greatly improved due to the small filling volume of the sound-absorbing material and the small air-permeable area in the prior art.
参见图3-图5，下盖板12包括主体部121和自主体部121朝向上盖板11延伸形成的围合部122，主体部121朝向上盖板11延伸形成围壁60。即在实施例中，围壁60设置在下盖板12上，当透气网布50贴设在围壁60上形成透气腔3212时，透气腔3212与第二后腔322的距离相对较近，可以更好的发挥其对吸音材料的透气作用。Referring to FIGS. 3 to 5, the lower cover 12 includes a main body 121 and a surrounding portion 122 extending from the main body 121 toward the upper cover 11, and the main body 121 extends toward the upper cover 11 to form a surrounding wall 60. That is, in the embodiment, the surrounding wall 60 is provided on the lower cover plate 12, and when the breathable mesh 50 is attached to the surrounding wall 60 to form a breathable cavity 3212, the distance between the breathable cavity 3212 and the second rear cavity 322 is relatively close, so Better play its role in the ventilation of sound-absorbing materials.
优选地，围壁60与第一透气隔离件40间隔设置，即透气网布50与第一透气隔离件40间隔设置，不仅可以减小围壁60的在后腔32中的占用空间，同时可以充分实现第一透气隔离件40和透气网布50的透气作用。Preferably, the surrounding wall 60 and the first air-permeable spacer 40 are spaced apart, that is, the air-permeable mesh cloth 50 and the first air-permeable spacer 40 are spaced apart, which not only reduces the space occupied by the surrounding wall 60 in the rear cavity 32, but also The air permeability of the first air-permeable spacer 40 and the air-permeable mesh cloth 50 is fully realized.
参见图3，围壁60呈方形环状结构，围壁60围壁包括第一凸墙61和与第一凸墙61首尾相接围成环状的第二凸墙62，第一凸墙61沿围合部122的内边缘延伸并与围合部122相接，第二凸墙62与所述第一透气隔离件40间隔设置，既保证了透气腔3212的体积足够，也将透气腔3212与第一透气隔离件40相隔开。。3, the surrounding wall 60 has a square ring structure. The surrounding wall 60 includes a first convex wall 61 and a second convex wall 62 that is connected end to end with the first convex wall 61 to form a ring. The first convex wall 61 Extending along the inner edge of the enclosing portion 122 and being connected to the enclosing portion 122, the second convex wall 62 and the first air-permeable spacer 40 are arranged at intervals, which not only ensures that the volume of the air-permeable cavity 3212 is sufficient, but also reduces the volume of the air-permeable cavity 3212. It is separated from the first air-permeable partition 40. .
进一步地，上盖板11和下盖板12均设置有延伸至所述后腔32内的固定部80，每一固定部80包括两个相对设置的夹壁81，第一透气隔离件40夹持在相邻两所述夹壁81之间。通过固定部80的两个夹壁81将第一透气隔离件40固定住，既保证了第一透气隔离件40在后腔32中的稳定性，同时便于扬声器箱的组装工作顺利进行。Further, both the upper cover plate 11 and the lower cover plate 12 are provided with fixing portions 80 extending into the rear cavity 32, and each fixing portion 80 includes two oppositely arranged clamping walls 81, and the first air-permeable spacer 40 clamps It is held between two adjacent clamping walls 81. The first air-permeable spacer 40 is fixed by the two clamping walls 81 of the fixing part 80, which not only ensures the stability of the first air-permeable spacer 40 in the rear cavity 32, but also facilitates the smooth progress of the speaker box assembly work.
如图2所示，第一透气隔离件40包括固定板41和贴设在固定板41上的第一透气网布42，固定板41上开设有透气孔411，第一透气网布42覆盖透气孔411。通过固定板41将第一透气网布42稳定的固定在固定部80上，同时在固定板41上开设通孔以保持第一透气网布42的透气隔离作用。As shown in Figure 2, the first breathable spacer 40 includes a fixing plate 41 and a first breathable mesh 42 attached to the fixing plate 41. The fixing plate 41 is provided with breathable holes 411, and the first breathable mesh 42 covers the breathable孔411. The first air-permeable mesh cloth 42 is stably fixed on the fixing portion 80 by the fixing plate 41, and at the same time, through holes are opened on the fixing plate 41 to maintain the air-permeable isolation effect of the first air-permeable mesh cloth 42.
进一步地，上盖板11开设有与前腔31相连通的出声孔112，且上盖板11开设有与第二后腔322相连通的灌装孔111，并通过灌装孔111向第一后腔321中填充吸音材料，当扬声器箱通过前腔31发声时，第二后腔322中的吸音材料可以有效提升声音的低频灵敏度，保证出声孔112的出声质量。Further, the upper cover plate 11 is provided with a sound hole 112 communicating with the front cavity 31, and the upper cover plate 11 is provided with a filling hole 111 communicating with the second rear cavity 322, and the filling hole 111 is connected to the second cavity. A rear cavity 321 is filled with sound-absorbing material. When the speaker box emits sound through the front cavity 31, the sound-absorbing material in the second rear cavity 322 can effectively improve the low-frequency sensitivity of the sound and ensure the sound quality of the sound hole 112.
本实用新型还提供了一种终端设备，该终端设备包括如前述的扬声器箱。需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施方式例如能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、***、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。The utility model also provides a terminal device, which includes the aforementioned speaker box. It should be noted that the terms "first" and "second" in the specification and claims of the application and the above-mentioned drawings are used to distinguish similar objects, and not necessarily used to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those clearly listed. Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment.
以上的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。The above are only the embodiments of the present utility model. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present utility model, but these all belong to the present utility model. New scope of protection.
Claims (10)
- 一种扬声器箱，所述扬声器箱包括上盖板、与所述上盖板围合形成收容空间的下盖板和收容于所述收容空间中的发声单体，所述发声单体将所述收容空间分隔成前腔和后腔，所述发声单体与所述上盖板围合形成所述前腔，所述扬声器箱还包括自所述上盖板延伸至所述后腔并与所述下盖板固定的第一透气隔离件，所述第一透气隔离件将所述后腔分隔成第一后腔和与所述第一后腔相连通的第二后腔，所述发声单体固定于所述第二后腔，其特征在于，所述下盖板朝所述第一后腔内凸设有围壁，所述扬声器箱还包括盖设于所述围壁的透气网布，所述透气网布将所述第一后腔分隔成位于所述透气网布远离所述围壁一侧且用于收容吸音材料的吸音腔以及位于所述透气网布靠近所述围壁一侧的透气腔，所述透气腔由所述透气网布、所述围壁以及所述下盖板围合形成。A speaker box comprising an upper cover plate, a lower cover plate enclosing the upper cover plate to form a containing space, and a sounding unit contained in the containing space, and the sounding unit The accommodating space is divided into a front cavity and a rear cavity. The sound emitting monomer and the upper cover plate enclose the front cavity. The speaker box further includes a front cavity extending from the upper cover plate to the rear cavity. The first air-permeable spacer fixed by the lower cover plate, the first air-permeable spacer divides the rear cavity into a first rear cavity and a second rear cavity communicating with the first rear cavity, and the sounding unit The body is fixed to the second rear cavity, wherein the lower cover plate is provided with a surrounding wall protruding into the first rear cavity, and the speaker box further includes a breathable mesh covering the surrounding wall The air-permeable mesh cloth divides the first rear cavity into a sound-absorbing cavity located on the side of the air-permeable mesh cloth away from the surrounding wall and used for accommodating sound-absorbing materials, and a sound-absorbing cavity located on the side of the air-permeable mesh cloth near the surrounding wall. The air-permeable cavity on the side is enclosed and formed by the air-permeable mesh cloth, the surrounding wall and the lower cover plate.
- 根据权利要求1所述的扬声器箱，其特征在于，所述下盖板包括主体部和自所述主体部朝向所述上盖板延伸形成的围合部，所述主体部朝向所述上盖板延伸形成所述围壁。The speaker box according to claim 1, wherein the lower cover plate comprises a main body portion and an enclosed portion extending from the main body portion toward the upper cover plate, and the main body portion faces the upper cover The board extends to form the surrounding wall.
- 根据权利要求2所述的扬声器箱，其特征在于，所述围壁与所述第一透气隔离件间隔设置。4. The speaker box according to claim 2, wherein the surrounding wall and the first air-permeable partition are spaced apart.
- 根据权利要求3所述的扬声器箱，其特征在于，所述围壁呈方形环状结构。The speaker box according to claim 3, wherein the surrounding wall has a square ring structure.
- 根据权利要求4所述的扬声器箱，其特征在于，所述围壁包括第一凸墙和与所述第一凸墙首尾相接围成环状的第二凸墙，所述第一凸墙沿所述围合部的内边缘延伸并与所述围合部相接，所述第二凸墙与所述第一透气隔离件间隔设置。The speaker box according to claim 4, wherein the surrounding wall comprises a first convex wall and a second convex wall which is connected end to end with the first convex wall to form a ring shape, and the first convex wall Extending along the inner edge of the enclosing part and being connected with the enclosing part, the second convex wall and the first air-permeable spacer are arranged at intervals.
- 根据权利要求2-5中任一项所述的扬声器箱，其特征在于，所述上盖板和所述下盖板均设置有延伸至所述后腔内的固定部，每一所述固定部包括两个相对设置的夹壁，所述第一透气隔离件夹持在相邻两所述夹壁之间。The speaker box according to any one of claims 2-5, wherein the upper cover plate and the lower cover plate are both provided with fixing parts extending into the rear cavity, and each of the fixing parts The part includes two oppositely arranged clamping walls, and the first air-permeable spacer is clamped between two adjacent clamping walls.
- 根据权利要求6所述的扬声器箱，其特征在于，所述第一透气隔离件包括固定板和贴设在所述固定板上的第一透气网布，所述固定板上开设有透气孔，所述第一透气网布覆盖所述透气孔。 The speaker box according to claim 6, wherein the first air-permeable isolator comprises a fixing plate and a first air-permeable mesh cloth attached to the fixing plate, and the fixing plate is provided with air holes, The first air-permeable mesh cloth covers the air-permeable holes.
- 根据权利要求7所述的扬声器箱，其特征在于，所述上盖板开设有与所述第二后腔相连通的灌装孔。The speaker box according to claim 7, wherein the upper cover plate is provided with a filling hole communicating with the second rear cavity.
- 根据权利要求8所述的扬声器箱，其特征在于，所述上盖板开设有与所述前腔相连通的出声孔。The speaker box according to claim 8, wherein the upper cover plate is provided with a sound hole communicating with the front cavity.
- 一种终端设备，其特征在于，所述终端设备包括如权利要求1-9中任一项所述的扬声器箱。A terminal device, characterized in that the terminal device comprises the speaker box according to any one of claims 1-9.
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| CN201922156370.5U CN211321459U (en) | 2019-12-03 | 2019-12-03 | Loudspeaker box and terminal equipment |
| CN201922156370.5 | 2019-12-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207251839U (en) * | 2017-08-18 | 2018-04-17 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108235195A (en) * | 2018-01-05 | 2018-06-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| US20180206011A1 (en) * | 2015-09-09 | 2018-07-19 | Goertek Inc. | Loudspeaker module and terminal device |
| CN109218897A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN209627667U (en) * | 2017-08-18 | 2019-11-12 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
-
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180206011A1 (en) * | 2015-09-09 | 2018-07-19 | Goertek Inc. | Loudspeaker module and terminal device |
| CN207251839U (en) * | 2017-08-18 | 2018-04-17 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN209627667U (en) * | 2017-08-18 | 2019-11-12 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108235195A (en) * | 2018-01-05 | 2018-06-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN109218897A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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