WO2020258070A1 - Sound generation device - Google Patents

Sound generation device Download PDF

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Publication number
WO2020258070A1
WO2020258070A1 PCT/CN2019/092952 CN2019092952W WO2020258070A1 WO 2020258070 A1 WO2020258070 A1 WO 2020258070A1 CN 2019092952 W CN2019092952 W CN 2019092952W WO 2020258070 A1 WO2020258070 A1 WO 2020258070A1
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WO
WIPO (PCT)
Prior art keywords
shell
extension
lap
extending
sounding
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PCT/CN2019/092952
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French (fr)
Chinese (zh)
Inventor
任璋
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声光电科技(常州)有限公司
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Application filed by 瑞声声学科技(深圳)有限公司, 瑞声光电科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2019/092952 priority Critical patent/WO2020258070A1/en
Publication of WO2020258070A1 publication Critical patent/WO2020258070A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Abstract

Provided is a sound generation device, comprising an upper shell (10), a lower shell (20) forming an accommodating cavity (22) together with the upper shell (10), and a sound generation single body (30) fixedly accommodated in the accommodating cavity (22). The lower shell (20) is provided with a first extending end (21), the upper shell (10) is provided with a second extending end (11) lap-jointed with the first extending end (21) and ultrasonically welded to same, a first lap joint face (211) and a second lap joint face (212) extending from the first lap joint face (211) to the sound generation single body (30) are provided at a lap joint position between the first extending end (21) and the second extending end (11), and a reinforcing part (200) fused and embedded with an end of the second extending end (11) is arranged between the first lap joint face (211) and the second lap joint face (212). According to the sound generation device, the strength of the connection mechanical, between the upper shell (10) and the lower shell (20), at the position of a decorative seam (100) can be enhanced, and the problem of the whole machine being broken along the decorative seam (100) is avoided.

Description

发声装置Sound device 技术领域Technical field
本发明涉及声学设备技术领域,尤其涉及一种发声装置。The invention relates to the technical field of acoustic equipment, in particular to a sound generating device.
背景技术Background technique
在目前技术中,如图1所示,发声装置包括上壳10'、与上壳10'形成收容腔的下壳20'和固定收容于收容腔内的发声单体30'。在装配过程中,上壳10'和下壳20'之间是通过超声焊接的方式进行密封连接,其中,下壳20'设有第一延长端21',而上壳10'设有与第一延长端21'相对应并进行超声焊接的第二延长端11',第一延长端21'与第二延长端11'超声焊接后产生了美工缝100'。但是,在产线上进行发声装置整机组装时候,如果出现了在美工缝100'的两侧向下受力F1'、F2',则会出现沿着美工缝100'位置整机断裂的问题。In the current technology, as shown in FIG. 1, the sound emitting device includes an upper shell 10', a lower shell 20' forming a receiving cavity with the upper shell 10', and a sound emitting monomer 30' fixedly housed in the receiving cavity. During the assembly process, the upper shell 10' and the lower shell 20' are sealed and connected by ultrasonic welding. The lower shell 20' is provided with a first extension 21', and the upper shell 10' is provided with a One extended end 21' corresponds to the second extended end 11' that is ultrasonically welded. The first extended end 21' and the second extended end 11' are ultrasonically welded to produce an art seam 100'. However, when assembling the sound device on the production line, if there is a downward force F1' and F2' on both sides of the art seam 100', the whole machine will break along the art seam 100'. .
因此,有必要提供一种新装配结构以加强美工缝100'位置处上壳10'与下壳20'之间的连接机械强度。Therefore, it is necessary to provide a new assembly structure to strengthen the mechanical strength of the connection between the upper shell 10' and the lower shell 20' at the position of the art seam 100'.
技术问题technical problem
本发明的目的在于提供一种发声装置,旨在加强美工缝位置处上壳与下壳之间的连接机械强度。The object of the present invention is to provide a sound generating device, which aims to strengthen the mechanical strength of the connection between the upper shell and the lower shell at the position of the art seam.
技术解决方案Technical solutions
本发明的技术方案如下:The technical scheme of the present invention is as follows:
一种发声装置,包括上壳、与上壳形成收容腔的下壳、以及固定收容于收容腔内的发声单体,下壳设有第一延长端,上壳设有与第一延长端相互搭接并进行超声焊接的第二延长端,第一延长端的与第二延长端搭接位置处形成有第一搭接面和由第一搭接面朝向发声单体延伸的第二搭接面,第一搭接面与第二搭接面之间设有与第二延长端的端部融合镶嵌的加强部。A sounding device includes an upper shell, a lower shell forming a containing cavity with the upper shell, and a sounding monomer fixedly accommodated in the containing cavity. The lower shell is provided with a first extension end, and the upper shell is provided with a mutual connection with the first extension end. The second extension end that is overlapped and ultrasonically welded is formed with a first overlap surface and a second overlap surface extending from the first overlap surface toward the sounding unit at the overlap position of the first extension end and the second extension end A reinforcing part is provided between the first lap surface and the second lap surface to be inlaid with the end of the second extension end.
进一步地,加强部包括间隔设置的多个加强肋。Further, the reinforcing part includes a plurality of reinforcing ribs arranged at intervals.
进一步地,每个加强肋均为三角形结构,其中,加强肋与第一搭接面之间的连接边以及加强肋与第二搭接面之间的连接边为三角形中相邻两个短边,且三角形长边的两端点分别位于第一搭接面、第二搭接面上。Further, each reinforcing rib has a triangular structure, wherein the connecting side between the reinforcing rib and the first lap surface and the connecting side between the reinforcing rib and the second lap surface are two adjacent short sides of the triangle , And the two ends of the long side of the triangle are respectively located on the first lap surface and the second lap surface.
进一步地,第一搭接面与第二搭接面相互垂直设置。Further, the first overlapping surface and the second overlapping surface are perpendicular to each other.
有益效果Beneficial effect
本发明的有益效果在于:The beneficial effects of the present invention are:
当在整机组装过程中第一延长端受到向下外力F1作用而第二延长端受到向下外力F2作用时,由于加强部有效地融合镶嵌进了第二延长端端部中而增强了两者间的结构强度,并且加强部使得第一搭接面与第二搭接面之间的连接边位置处承受应力的结构强度更好,因而第一延长端与第二延长端能够承受住外力作用而不会断裂。When the first extension end receives the downward external force F1 during the assembly process of the whole machine and the second extension end receives the downward external force F2, the reinforcement is effectively fused and embedded into the end of the second extension to strengthen the two The structural strength between the two, and the strengthening part makes the structural strength of the stress-bearing position of the connecting edge between the first lap surface and the second lap surface better, so that the first extension end and the second extension end can withstand external forces Function without breaking.
附图说明Description of the drawings
图1为目前技术的发声装置的装配示意图;Figure 1 is a schematic diagram of the assembly of a sound generating device of the prior art;
图2为本发明的发声装置的装配示意图;Figure 2 is a schematic diagram of the assembly of the sound device of the present invention;
图3为图2中A处的放大图;Figure 3 is an enlarged view of A in Figure 2;
图4为图2的分解图;Figure 4 is an exploded view of Figure 2;
图5为图4中上盖相对于下盖翻转打开的视图;Fig. 5 is a view of the upper cover in Fig. 4 turned and opened relative to the lower cover;
图6为图4中B处的放大图;Figure 6 is an enlarged view of B in Figure 4;
图7为本发明的发声装置的发声单体的装配立体图。Fig. 7 is an assembled perspective view of the sound emitting unit of the sound emitting device of the present invention.
本发明的实施方式Embodiments of the invention
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
需要说明的是,当元件被称为“固定于”或“设置于”另一个元件,它可以直接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件,它可以是直接连接到另一个元件或间接连接至该另一个元件上。It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
需要理解的是,术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "Bottom", "Inner", "Outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implicitly referring to The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the application.
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中,“多个”的含义是两个或两个以上,除非另有明确具体的限定。In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this application, "multiple" means two or more than two, unless otherwise specifically defined.
下面结合附图和实施方式对本发明作进一步说明。The present invention will be further described below with reference to the drawings and embodiments.
如图2至图6所示,本发明提供的发声装置包括上壳10、与上壳10形成收容腔22的下壳20、以及固定收容于收容腔22内的发声单体30,下壳20设有第一延长端21,上壳10设有与第一延长端21相互搭接并进行超声焊接的第二延长端11,第一延长端21的与第二延长端11搭接位置处形成有第一搭接面211和由第一搭接面211朝向发声单体30延伸的第二搭接面212,第一搭接面211与第二搭接面212之间设有与第二延长端11的端部融合镶嵌的加强部200。As shown in Figures 2 to 6, the sounding device provided by the present invention includes an upper shell 10, a lower shell 20 forming a receiving cavity 22 with the upper shell 10, and a sounding monomer 30 fixedly received in the receiving cavity 22, and a lower shell 20 A first extension 21 is provided. The upper shell 10 is provided with a second extension 11 that overlaps with the first extension 21 and is ultrasonically welded. The overlap position of the first extension 21 and the second extension 11 is formed There is a first lap surface 211 and a second lap surface 212 extending from the first lap surface 211 toward the sounding unit 30, and a second extension is provided between the first lap surface 211 and the second lap surface 212 The end part of the end 11 is fused with the inlaid reinforcement part 200.
在装配该发声装置过程中,首先将发声单体30放置在下壳20的收容腔22中,然后将上壳10覆盖在下壳20上,并使得第一延长端21与第二延长端11对其,此时,加强部200抵顶于第二延长端11的端部上,接着进行超声焊接操作,使得加强部200融合镶嵌在第二延长端11的端部中。这样,装配完成的上壳10的第二延长端11和下壳20的第一延长端21之间将形成美工缝100,当在整机组装过程中第一延长端21受到向下外力F1作用而第二延长端11受到向下外力F2作用时,由于加强部200有效地融合镶嵌进了第二延长端11端部中而增强了两者间的结构强度,并且加强部200使得第一搭接面211与第二搭接面212之间的连接边位置处承受应力的结构强度更好,因而第一延长端21与第二延长端11能够承受住外力作用而不会断裂。In the process of assembling the sounding device, the sounding monomer 30 is first placed in the receiving cavity 22 of the lower shell 20, and then the upper shell 10 is covered on the lower shell 20, and the first extension 21 and the second extension 11 are aligned. At this time, the reinforcing part 200 abuts against the end of the second extension end 11, and then an ultrasonic welding operation is performed, so that the reinforcement part 200 is fused and embedded in the end of the second extension end 11. In this way, an art seam 100 will be formed between the second extension end 11 of the upper shell 10 and the first extension end 21 of the lower shell 20 after the assembly is completed. When the first extension end 21 is subjected to a downward external force F1 during the assembly process of the whole machine When the second extension end 11 is subjected to the downward external force F2, the reinforcement part 200 is effectively integrated into the end of the second extension end 11 to enhance the structural strength between the two, and the reinforcement part 200 makes the first extension The stress-bearing structure at the connecting edge position between the joint surface 211 and the second lap surface 212 is better, so the first extension end 21 and the second extension end 11 can withstand the external force without breaking.
具体地,如图3和图6所示,加强部200包括间隔设置的多个加强肋。间隔分布的多个加强肋将第一搭接面211与第二搭接面212之间的整条连接边位置均进行结构强度增强,使得第一延长端21与第二延长端11之间形成的美工缝100能够承受更大的外力而不断裂,保证了整机装配质量。Specifically, as shown in FIGS. 3 and 6, the reinforcing part 200 includes a plurality of reinforcing ribs arranged at intervals. A plurality of stiffening ribs distributed at intervals increase the structural strength of the entire connecting edge position between the first lap surface 211 and the second lap surface 212, so that the first extension end 21 and the second extension end 11 are formed between The art sewing 100 can withstand greater external force without breaking, ensuring the assembly quality of the whole machine.
在本发明中,如图6所示,每个加强肋均为三角形结构(当然,加强肋也可以是长方形结构、柱状结构等等)。其中,加强肋与第一搭接面211之间的连接边以及加强肋与第二搭接面212之间的连接边为三角形中相邻两个短边,三角形长边的两端点分别位于第一搭接面211、第二搭接面212上,如此便在保证加强肋实现增强结构强度的基础上尽量小地占用空间,使得第一延长端21与第二延长端11之间在搭接过程中接近性更好,进一步地使得在进行超声焊接过程加强肋能够更容易地与第二延长端11端部完成融合镶嵌。In the present invention, as shown in FIG. 6, each reinforcing rib has a triangular structure (of course, the reinforcing rib may also be a rectangular structure, a columnar structure, etc.). Among them, the connecting side between the reinforcing rib and the first lap surface 211 and the connecting side between the reinforcing rib and the second lap surface 212 are two adjacent short sides of the triangle, and the two ends of the long sides of the triangle are respectively located at the first On the first lap surface 211 and the second lap surface 212, the space occupied as little as possible on the basis of ensuring that the reinforcement ribs achieve enhanced structural strength, so that the first extension end 21 and the second extension end 11 are overlapped The accessibility is better during the process, which further makes it easier to complete the fusion and inlay with the end of the second extension end 11 during the ultrasonic welding process.
优选地,第一搭接面211与第二搭接面212相互垂直设置。并且为了减少第一搭接面与第二搭接面之间的连接边位置处在受到两端外力F1、F2时候产生的结构应力,因而将第一搭接面与第二搭接面之间的连接边位置处设计为圆弧过渡。Preferably, the first overlapping surface 211 and the second overlapping surface 212 are perpendicular to each other. And in order to reduce the structural stress generated when the connecting edge position between the first lap surface and the second lap surface is subjected to the external forces F1 and F2 at both ends, the first lap surface and the second lap surface are The position of the connecting edge is designed as a circular arc transition.
如图7所示,本发明的发声装置中的发声单体包括具有收容空间的盆架31、装配于收容空间的磁路系统33、以及一端固定连接于盆架31另一端插入收容空间内与磁路系统33之间产生磁感应作用的振动系统32,振动系统32由于与磁路系统33之间产生磁感应作用而进行振动发声。结合参见图4所示,在将发声单体30放置于下壳20的收容腔22过程中,同时将柔性电路板40(FPC)对应发声单体30的连接焊盘放置好并将柔性电路板40的焊脚与发声单体30的连接焊盘焊接好,然后再将上壳10合盖在下壳20上,再进行超声焊接。As shown in FIG. 7, the sound emitting unit in the sound emitting device of the present invention includes a basin frame 31 with a receiving space, a magnetic circuit system 33 assembled in the receiving space, and one end fixedly connected to the basin frame 31 and the other end inserted into the receiving space. The vibration system 32 that generates a magnetic induction effect between the magnetic circuit system 33, and the vibration system 32 vibrates and produces sound due to the magnetic induction effect between the magnetic circuit system 33. 4, in the process of placing the sounding monomer 30 in the receiving cavity 22 of the lower shell 20, the flexible circuit board 40 (FPC) corresponding to the connection pad of the sounding monomer 30 is placed and the flexible circuit board The welding feet of 40 are welded to the connection pads of the sounding monomer 30, and then the upper shell 10 is closed on the lower shell 20, and then ultrasonic welding is performed.
以上所述的仅是本发明的实施方式,在此应当指出,对于本领域的普通技术人员来说,在不脱离本发明创造构思的前提下,还可以做出改进,但这些均属于本发明的保护范围。The above are only the embodiments of the present invention. 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 invention, but these all belong to the present invention. The scope of protection.

Claims (4)

  1. 一种发声装置,包括上壳、与上壳形成收容腔的下壳、以及固定收容于所述收容腔内的发声单体,所述下壳设有第一延长端,所述上壳设有与所述第一延长端相互搭接并进行超声焊接的第二延长端,所述第一延长端的与所述第二延长端搭接位置处形成有第一搭接面和由所述第一搭接面朝向所述发声单体延伸的第二搭接面,其特征在于:所述第一搭接面与所述第二搭接面之间设有与所述第二延长端的端部融合镶嵌的加强部。A sounding device includes an upper shell, a lower shell forming a receiving cavity with the upper shell, and a sounding monomer fixedly accommodated in the receiving cavity, the lower shell is provided with a first extension end, and the upper shell is provided with A second extension end that overlaps with the first extension end and is ultrasonically welded. A first overlap surface is formed at the overlap position of the first extension end and the second extension end, and is formed by the first extension end. The lap surface extends toward the second lap surface of the vocal unit, characterized in that: the first lap surface and the second lap surface are provided with an end fusion with the second extension end Inlaid reinforcement.
  2. 根据权利要求1所述的发声装置,其特征在于:所述加强部包括间隔设置的多个加强肋。The sound emitting device according to claim 1, wherein the reinforcing part comprises a plurality of reinforcing ribs arranged at intervals.
  3. 根据权利要求2所述的发声装置,其特征在于:每个所述加强肋均为三角形结构,其中,所述加强肋与所述第一搭接面之间的连接边以及所述加强肋与所述第二搭接面之间的连接边为三角形中相邻两个短边,且三角形长边的两端点分别位于所述第一搭接面、所述第二搭接面上。The sounding device according to claim 2, wherein each of the reinforcing ribs has a triangular structure, wherein the connecting edge between the reinforcing rib and the first lap surface and the reinforcing rib The connecting sides between the second overlapping surfaces are two adjacent short sides of the triangle, and the two ends of the long sides of the triangle are respectively located on the first overlapping surface and the second overlapping surface.
  4. 根据权利要求3所述的发声装置,其特征在于:所述第一搭接面与所述第二搭接面相互垂直设置。The sounding device according to claim 3, wherein the first lap surface and the second lap surface are perpendicular to each other.
PCT/CN2019/092952 2019-06-26 2019-06-26 Sound generation device WO2020258070A1 (en)

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