TW201125378A - Multi-function micro-speaker - Google Patents

Multi-function micro-speaker Download PDF

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Publication number
TW201125378A
TW201125378A TW099138139A TW99138139A TW201125378A TW 201125378 A TW201125378 A TW 201125378A TW 099138139 A TW099138139 A TW 099138139A TW 99138139 A TW99138139 A TW 99138139A TW 201125378 A TW201125378 A TW 201125378A
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TW
Taiwan
Prior art keywords
permanent magnet
adhesive film
frame
fixed
microspeaker
Prior art date
Application number
TW099138139A
Other languages
Chinese (zh)
Inventor
Sang-Ho Lee
Cheol-Young Kwon
Hong-Kyu Jang
Original Assignee
Bse Co Ltd
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Publication date
Application filed by Bse Co Ltd filed Critical Bse Co Ltd
Publication of TW201125378A publication Critical patent/TW201125378A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006Interconnection of transducer parts
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2207/00Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • H04R2207/021Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/03Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/07Suspension between moving magnetic core and housing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/11Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • 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
    • H04R9/025Magnetic circuit

Landscapes

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

Abstract

The present invention relates to a microspeaker, comprising: a frame; a vibration diaphragm, the outer periphery of which is fixed at the frame; a voice coil fixed at the lower surface of the vibration diaphragm; a resilient suspension, the outer periphery of which is fixed at the frame; a yoke fixed at the suspension; a permanent magnet fixed at the inner bottom surface of the yoke; and a plate fixed at the upper surface of the permanent magnet, wherein the pair of the frame and the vibration diaphragm, the pair of the yoke and the permanent magnet, and/or the pair of the permanent magnet and the plate are coupled together by a bonding film.

Description

201125378 六、發明說明: 【發明所屬之技術領域】 本發明係關於一種微型揚聲器,更具體地,係關於製 造加工微型揚聲器時,透過黏貼膜結合各種部件,從而能 夠使裝配技術簡單化及提高生產性的微型揚聲器。 【先前技術】 一般而言,揚聲器是一種把電信號轉換成聲信號的裝 置。微型揚聲器主要是用於尺寸小的音頻設備,例如行動 電話、筆記本電腦、MP3播放器、耳機等,最近需求量大 增的攜帶用音頻設備的小型揚聲器。 但是’最近採用微型揚聲器的電子產品,特別是如行 動電話這樣的移動通信終端機大部分具備產生振動信號的 結構。這樣的振動信號作為代替接收信號音的信號而被使 用’或作為直接在榮幕輸入資訊使用觸碰螢幕方式中確認 輸入狀態的信號。 本發明的微型揚聲器指的是一種不僅具有產生音頻的 基本功能,還具有產生振動信號結構的揚聲器。微型揚聲 器被稱為例如多功能致動器或多功能電子音頻轉換器等。 現有結構的微型揚聲器是透過對支撐於板型彈簧的振 動體產生共振而得到振動的結構。這種現有一般的微型揚 聲器在具有被稱為抖動板的振動板一側之磁路具有音圈, 在此施加聲音k號用電流,則輸出音頻,向音圈引 入振動彳§號用m可以在振動體產生振動。 201125378 第1圖表示現有微型揚聲器的一例。參照第1圖,微 型揚聲器100包括框架110、音頻產生用振動板101、音圈 102、 以上下方向配置N極和S極的永久磁鐵104、金屬板 103、 磁軛105和懸架106而構成。透過導線a(l 14)和導線 b( 115)向音圈102施加電流。 該音圈102的上端部固定在振動板101的下面。音圈 102以上下方向纏繞。金屬板1〇3固定在永久磁鐵1〇4的上 面’永久磁鐵104固定在磁軛105的底面,該磁軛1〇5固 定在懸架106。懸架106彈性支撐於該框架11〇。該磁軛 105、永久磁鐵104、及金屬板1〇3形成揚聲器的磁路。 對這種結構的微型揚聲器100的運作進行說明。適合 音頻的電流經導線114、115被施加到音圈1 〇2,則在音圈 102產生電磁力,由此振動板1〇1振動並輸出音頻。 即’形成從永久磁鐵104的N極輸出的磁力線依次通 過金屬板103、音圈1〇2及磁輛1〇5,再回到永久磁鐵1〇4 的S極的磁場。此時’若在音圈i〇2產生電磁力,則與磁 路的磁束發生相互作用,固定在音圈1〇2的振動板1〇1振 動,起到輸出音頻的揚聲器的功能。 另一方面,適合振動的電流(一般為低頻率的電流) 被施加到音圈102,則通過由磁輛1〇5、永久磁鐵1〇4、及 金屬板103構成的磁路部(振動體)的上下運動而產生振 動信號。 這種結構的微型揚聲器100,在製造時為結合各部件而 使用黏結劑。具體地’振動板1〇1和框架11〇之間,磁辆 201125378 =和永久磁鐵104之間’及永久磁鐵ι〇4和 透過黏結劑而結合。 -屬板103 每樣利㈣結劑*製造的微型揚聲^ 述的諸多問題。 W起如下所 在裝配加工中使料液體型黏結劑由於 !以定量控制;從黏結劑塗布機中嘴出的黏結劑=布 =難以根據黏結劑黏度而調節黏結㈣布機的空^ 壓力,在技術管理上有报大的困難。 、出 *上所述’由鄕結難布機的錢噴出壓力 =貼’因為具有-定的黏著力,而在揚聲器品質上i 污::劑包括各種有害物質’因而也是引起環境 【發明内容】 本發明繁於上述問題而提出,其目的在於提供—種 微型揚聲器的結構部件中至少—部分用黏貼膜結合而不是 黏結劑’使製造技術簡單化,且能夠生產具有規^品質的 揚聲器合大批量生產及自動化要求的微型揚聲器。 為達到上述目的,本發明的微型揚聲器包括:框架; 振動板·’其相部固定在雜架;音圈,时在該振動板 的下面t架,其外周部固定在該框架,並具有彈性;磁 輛(yoke) ϋ&在§线帛;永久磁鐵’固定在該磁扼的底面; 201125378 及金屬板(plate),固定在該永久磁鐵的上面,其特徵在於, 該框架和該振動板之間、該懸架和該磁軛之間、該磁軛和 該永久磁鐵之間、或該永久磁鐵和該金屬板之間中的一個 由黏貼膜結合。 另外,較佳地,包括配置在該振動板的上側且外周部 結合在該框架的蓋,該框架和該蓋由黏貼膜結合。 另外,較佳地,包括配置在該振動板的上侧且外周部 結合在該振動板的上面的蓋’該振動板和該蓋由黏貼膜結 合。 另外,較佳地,該黏貼膜形成為中心部貫通的環形。 另外,較佳地,該黏貼膜形成為中心部貫通的環形。 另外,較佳地,結合在該磁軛和該永久磁鐵之間、或 該永久磁鐵和該金屬板之間巾的—個的黏賴是圓形膜或 多邊形膜。 另外,較佳地,該黏貼膜是在半硬化態下黏貼並硬化 的半硬化膜。 另外,較佳地,該黏貼膜是由熱硬化樹脂形成的熱硬 化膜。 根據本發明的微型揚聲器,構成揚聲器的結構部件中 至^部分部件透過黏貼膜相互結合,使製造技術簡單 化此夠維持一疋的揚聲器的品質,並且能夠實現自動化 及大批量生產。 另外,透過黏貼膜而黏貼的結構部件即使根據揚聲器 的模型其配置及形狀產生多種變化,由於容易改變黏貼膜 201125378 的形狀,因此具有廣泛適用於各種揚聲器模型的優點。 【實施方式】 本實施例的微型揚聲器1主要使用在移動電話這樣的 移動通信終端機或PMP這樣的小型機器上,能同時具有產 生音頻的功能及產生信號的振動的功能,特別是在製造時 能夠提高裝配性的微型揚聲器。 參照附圖對本發明的較佳實施例進行詳細說明。 第2圖是本發明實施例的微型揚聲器的剖面圖,第3 圖是第2圖的A部分的放大剖面圖,第4圖是第2圖的B 部分的放大剖面圖。第5圖至第7圖是第2圖的微型揚聲 器的結構部件中展示黏貼膜的使用狀態的分離立體圖。 首先,參照第3圖,本實施例的微型揚聲器1包括: 框架10 ;振動板20,其外周部固定在上述框架10 ;音圈 30,固定在上述振動板20的下面;懸架40,其外周部固定 在上述框架10,且具有彈性;磁輛50(yoke),固定在上述 懸架40 ;永久磁鐵60,固定在上述磁軛50的底面;金屬 板70(plate),固定在上述永久磁鐵60的上面,其特徵在於, 上述框架10和上述振動板20之間,上述懸架40和上述磁 輛50之間,上述磁輕50和上述永久磁鐵60之間,或者上 述永久磁鐵60和上述金屬板70之間中的一個由黏貼膜80 結合。 本發明的特徵在於,構成微型揚聲器1的結構部件中 至少有一部分部件由黏貼膜80黏貼。 201125378 因此,首先對上述黏貼膜80進行說明。第5圖至第7 圖所示’上述黏貼膜8〇以薄膜形狀形成,插人在所要黏貼 的部件之間,黏貼部件。 ,、第5圖及第6圖所示’黏貼膜8〇以中心部貫通的環狀 形成’或如第7圖所示,可以以圓形膜形成。當然,上述 黏貼膜8G也可以是多邊形。上述黏貼膜⑽的形狀可以根 據所要黏貼的結構部件的形狀、位置、空間等進行多錢 換。 、上述黏貼膜80可以為如環氧樹脂這樣的液態樹脂製造 ^膜狀’且在半硬化狀態下插人到部件之間後,隨著硬化 來黏貼兩部件的半硬化性膜,或插人到所要黏貼的部件之 間後,施加一定熱量來加熱硬化性臈,使其硬化。 下面,對本發明的微型揚聲器i的各結構部件 細的說明,並對所述各結構部件由上述黏_ 術進行詳細說明。 上述框架1G通常由塑膠製成,並構成揚聲器的外形, 在其内部固定各種結構部件。框架1G包括上部框架 下部框架u和底面蓋部件u。上部框架12的上•蓋% 結合。在本實施例中,框架1〇整體上為圓筒形。但 其他實施例中,框架1G的橫截面的外形可以為四邊形 圓形或跑道形。在各種情況下,内部部件也可以與其 形狀相適應地變形。 上述振動板20在上部框架12的上部固定其外周部。 振動板20為圓形’通常由高分子化合物形成。振動板加 201125378 上下振動從而形成人們可聽到的音壓。 w ^第2圖及第3圖所示’上述振動板2G的邊安置在上 部框㈣内周面形成的安置面 =在上 述安置面14之間插入迚振動板20和上 慰… 衣狀的黏貼膜80而被黏貼。 上隸反Μ的形狀進行附加說明,則在本實施例中, 準音圈3G的上端部所結合的界限部分為基 伽邱、晨則的内側部分和位於外側的外側部分。内 ^ 卜側部分分別以圓頂(“_狀形成,界限部分 平坦。外側部分也摇為 賴㈣;^ Μ # 邊緣㈣。振動板2〇根據具體的 开/狀、材枓及厚度,可以進行多種變化。 上述音圈3〇固定在振動板2〇的下面201125378 VI. Description of the Invention: [Technical Field] The present invention relates to a microspeaker, and more particularly to a method of manufacturing a microspeaker by combining various components through an adhesive film, thereby simplifying assembly technology and improving production. Sexual micro speakers. [Prior Art] In general, a speaker is a device that converts an electrical signal into an acoustic signal. Micro-speakers are mainly used for small-sized audio devices, such as mobile phones, notebook computers, MP3 players, earphones, etc., and have recently been in demand for small speakers with portable audio equipment. However, most recently, electronic products using microspeakers, particularly mobile communication terminals such as mobile phones, have a structure that generates vibration signals. Such a vibration signal is used as a signal instead of receiving a signal tone or as a signal for confirming an input state by directly touching the screen in the touch screen mode. The microspeaker of the present invention refers to a speaker having not only basic functions for generating audio but also a structure for generating a vibration signal. The miniature speaker is called, for example, a multi-function actuator or a multi-function electronic audio converter. The microspeaker of the prior art is configured to vibrate by resonating the vibrating body supported by the plate spring. Such a conventional general microspeaker has a voice coil on a magnetic circuit having a side of a vibrating plate called a dither plate, and when a current of a k number is applied thereto, an audio is output, and a vibration is introduced to the voice coil. Vibration is generated in the vibrating body. 201125378 Fig. 1 shows an example of a conventional microspeaker. Referring to Fig. 1, the microspeaker 100 includes a frame 110, an acoustic generating diaphragm 101, a voice coil 102, a permanent magnet 104 in which N poles and S poles are arranged in the lower direction, a metal plate 103, a yoke 105, and a suspension 106. Current is applied to the voice coil 102 through the wires a (14) and the wires b (115). The upper end portion of the voice coil 102 is fixed to the lower surface of the vibration plate 101. The voice coil 102 is wound up and down. The metal plate 1〇3 is fixed to the upper surface of the permanent magnet 1〇4. The permanent magnet 104 is fixed to the bottom surface of the yoke 105, and the yoke 1〇5 is fixed to the suspension 106. The suspension 106 is elastically supported by the frame 11''. The yoke 105, the permanent magnet 104, and the metal plate 1〇3 form a magnetic circuit of the speaker. The operation of the microspeaker 100 of this configuration will be described. A current suitable for audio is applied to the voice coil 1 〇 2 via the wires 114, 115, and an electromagnetic force is generated at the voice coil 102, whereby the vibration plate 1〇1 vibrates and outputs audio. That is, the magnetic flux which is output from the N pole of the permanent magnet 104 is sequentially passed through the metal plate 103, the voice coil 1〇2, and the magnetic vehicle 1〇5, and returns to the magnetic field of the S pole of the permanent magnet 1〇4. At this time, when an electromagnetic force is generated in the voice coil i〇2, the magnetic flux of the magnetic circuit interacts with each other, and the diaphragm 1〇1 fixed to the voice coil 1〇2 vibrates to function as a speaker for outputting audio. On the other hand, a current suitable for vibration (generally a low-frequency current) is applied to the voice coil 102, and passes through a magnetic circuit portion (vibration body) composed of a magnetic vehicle 1〇5, a permanent magnet 1〇4, and a metal plate 103. The up and down motion produces a vibration signal. The microspeaker 100 of such a structure is used for bonding various components at the time of manufacture. Specifically, between the vibrating plate 1〇1 and the frame 11〇, the magnetic device 201125378 = and the permanent magnet 104 and the permanent magnet ι 4 are combined with the adhesive. - A number of problems with the micro-sounds produced by each of the plates 103. W is as follows: in the assembly process, the liquid type binder is controlled by quantitative control; the binder from the mouth of the binder coating machine = cloth = it is difficult to adjust the adhesion according to the viscosity of the binder (4) the air pressure of the cloth machine, There are major difficulties in technical management. According to the above, 'the pressure of the money from the 鄕 难 布 = = = = 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为 因为The present invention has been made in view of the above problems, and an object thereof is to provide a speaker assembly in which at least a part of a structural component of a microspeaker is bonded by an adhesive film instead of a binder, and manufacturing technology having a quality can be produced. Micro-speakers required for mass production and automation. In order to achieve the above object, the microspeaker of the present invention comprises: a frame; a vibrating plate · 'the phase portion thereof is fixed to the miscellaneous frame; the voice coil is at the lower t frame of the vibrating plate, and the outer peripheral portion thereof is fixed to the frame and has elasticity a magnetic vehicle (yoke) ϋ & 在 帛; a permanent magnet 'fixed to the bottom surface of the magnetic ridge; 201125378 and a metal plate fixed to the upper surface of the permanent magnet, characterized in that the frame and the vibration plate One of the adhesion between the suspension and the yoke, between the yoke and the permanent magnet, or between the permanent magnet and the metal plate is bonded by an adhesive film. Further, preferably, the cover is disposed on the upper side of the vibrating plate and the outer peripheral portion is coupled to the frame, and the cover and the cover are joined by an adhesive film. Further, preferably, the cover member is disposed on the upper side of the vibrating plate and the outer peripheral portion is coupled to the upper surface of the vibrating plate. The vibrating plate and the cap are joined by an adhesive film. Further, preferably, the adhesive film is formed in a ring shape in which the center portion penetrates. Further, preferably, the adhesive film is formed in a ring shape in which the center portion penetrates. Further, preferably, the adhesion of the towel between the yoke and the permanent magnet or between the permanent magnet and the metal plate is a circular film or a polygonal film. Further, preferably, the adhesive film is a semi-hardened film which is adhered and hardened in a semi-hardened state. Further, preferably, the adhesive film is a heat-hardened film formed of a thermosetting resin. According to the microspeaker of the present invention, the components of the structural components constituting the speaker are bonded to each other through the adhesive film, so that the manufacturing technique can be simplified to maintain the quality of the speaker, and automation and mass production can be realized. In addition, the structural members adhered through the adhesive film have various changes depending on the configuration and shape of the speaker model, and the shape of the adhesive film 201125378 is easily changed, so that it is widely applicable to various speaker models. [Embodiment] The microspeaker 1 of the present embodiment is mainly used in a mobile communication terminal such as a mobile phone or a small device such as a PMP, and can simultaneously have a function of generating audio and a function of generating vibration of a signal, particularly at the time of manufacture. Micro-speakers that improve assembly. The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Fig. 2 is a cross-sectional view showing a microspeaker according to an embodiment of the present invention, Fig. 3 is an enlarged cross-sectional view of a portion A in Fig. 2, and Fig. 4 is an enlarged cross-sectional view showing a portion B in Fig. 2. Fig. 5 to Fig. 7 are separated perspective views showing the use state of the adhesive film in the structural members of the micro speaker of Fig. 2. First, referring to Fig. 3, the microspeaker 1 of the present embodiment includes: a frame 10; a vibrating plate 20 having an outer peripheral portion fixed to the frame 10; a voice coil 30 fixed to the lower surface of the vibrating plate 20; and a suspension 40 having a periphery thereof The portion is fixed to the frame 10 and has elasticity; a magnetic vehicle 50 is fixed to the suspension 40; a permanent magnet 60 is fixed to the bottom surface of the yoke 50; and a metal plate 70 is fixed to the permanent magnet 60. The upper surface is characterized in that between the frame 10 and the vibrating plate 20, between the suspension 40 and the magnetic vehicle 50, between the magnetic light 50 and the permanent magnet 60, or the permanent magnet 60 and the metal plate One of the 70 is bonded by the adhesive film 80. The present invention is characterized in that at least some of the components constituting the microspeaker 1 are adhered by the adhesive film 80. 201125378 Therefore, the above-described adhesive film 80 will be described first. Figs. 5 to 7 show that the above-mentioned adhesive film 8 is formed in a film shape, and is inserted between the members to be pasted and adhered to the member. In Fig. 5 and Fig. 6, the adhesive film 8 is formed in a ring shape penetrating through the center portion or as shown in Fig. 7, and may be formed as a circular film. Of course, the above-mentioned adhesive film 8G may also be a polygon. The shape of the above-mentioned adhesive film (10) can be changed according to the shape, position, space, and the like of the structural member to be pasted. The adhesive film 80 may be made of a liquid resin such as an epoxy resin, and after being inserted into the component in a semi-hardened state, the semi-cured film of the two components may be adhered with hardening, or inserted. After being placed between the parts to be bonded, a certain amount of heat is applied to heat the hardening crucible to harden it. Hereinafter, each component of the microspeaker i of the present invention will be described in detail, and the above-described components will be described in detail. The above frame 1G is usually made of plastic and constitutes the outer shape of the speaker, and various structural components are fixed inside thereof. The frame 1G includes an upper frame lower frame u and a bottom cover member u. The upper cover of the upper frame 12 is combined with %. In the present embodiment, the frame 1 is cylindrical as a whole. However, in other embodiments, the cross-section of the frame 1G may have a quadrangular shape or a racetrack shape. In each case, the internal components can also be deformed in accordance with their shape. The vibrating plate 20 has its outer peripheral portion fixed to the upper portion of the upper frame 12. The vibrating plate 20 is circular in shape and is usually formed of a polymer compound. Vibrating plate plus 201125378 Vibration up and down to form a sound pressure that people can hear. w ^ Fig. 2 and Fig. 3 show the arrangement of the side of the vibrating plate 2G disposed on the inner peripheral surface of the upper frame (four) = inserting the cymbal vibrating plate 20 between the above-mentioned seating faces 14 Adhesive film 80 is adhered. Further, in the present embodiment, the boundary portion to which the upper end portion of the alignment ring 3G is joined is a base portion of the base, a morning portion, and an outer portion located at the outer side. The inner side is divided into a dome ("_ shape, the boundary part is flat. The outer part is also shaken (four); ^ Μ # edge (four). The vibration plate 2 〇 can be according to the specific opening / shape, material thickness and thickness, Make a variety of changes. The above voice coil 3〇 is fixed under the vibration plate 2〇

部固定在振動板20的界限彳八MU ㈠丨限口p刀的下面。音圈3〇以導線向 国方向纏繞而形成。音圈3G與框架1G所具備的端子(未 ° 丁電連接曰圈30透過端子得到來自外部的電流供給。 曰圈3G的下部位以上下方向結合的永久磁鐵⑼和金 屬板7〇、與磁扼50的側壁部56之間的空間。這樣的空間 又可稱為磁性槽。料頻信號用高解電流流過音圈30, 則由與永久磁鐵6G的磁場的相互關係,音圈%以上下方 向運動由此,與音圈3〇結合的振動板2〇振動並產生音 頻。 上述懸架40具有彈性且其外周部固定在框架1〇。懸架 40可以稱為彈性部件,彈簧或板型彈簧等。所謂彈性,是 指從外部㈣體施加外力,則體積和形狀發生改變,當取 消八外力時要恢復到原來形狀的性質,根據變形的種類分 201125378 為體積彈性和形狀彈性。本發明中懸架40主要與形狀彈性 有關。 本實施例中,懸架40為板型且與框架10的形狀相對 應為圓板形狀。懸架40由如填青銅這樣的金屬板材製造。 另一方面,在其他實施例中懸架可以由高分子彈性物質製 造。 上述磁軛50在本實施例中固定在懸架40的上面中心 部,具有底部54和側壁部56。如第4圖所示,本實施例中, 上述磁扼50和上述懸架40黏貼在黏貼膜80。上述黏貼膜 80以圓膜形狀形成。當然,黏貼膜80的形狀可以以多邊形 膜形狀或環狀形成。上述磁軛50的底部54與永久磁鐵60 結合,上述側壁部56的上端部配置在比上述音圈30的下 端部更高的位置。 上述永久磁鐵60以與磁輛50同心的方式固定在磁軛 50的内部底部54。上述永久磁鐵60與磁軛50形狀相對應 地形成為圓板形狀。 如第4圖及第7圖所示,上述磁輛50和上述永久磁鐵 60由黏貼膜80黏貼。本實施例中,上述黏貼膜80以圓形 膜形狀形成。當然,黏貼上述磁軛50和永久磁鐵60的黏 貼膜80的形狀可以有多種變化。 上述金屬板70固定在永久磁鐵60的上面。金屬板70 由磁力容易通過的材料形成,具有與永久磁鐵60幾乎相同 的直徑。如第4圖及第7圖所示,本實施例中上述永久磁 鐵60和上述金屬板70以圓形膜形狀形成並由黏貼膜80黏 10 201125378 貼。 永久磁鐵60及金屬板70偏離磁軛5〇的側壁部%而 固定。與永久磁鐵60及金屬板70的外侧面相對的磁軛5〇 的側壁部56的内側面之間形成空間,音圈3〇的下部位於 該空間。 另一方面,永久磁鐵60、金屬板70、及磁軛5〇構成 揚聲器的磁路。即,在永久磁鐵60產生的磁束通過金屬板 70形成返回磁軛50的磁束路徑(path)。在上述音圈3〇施加 適合振動的電流(一般為低頻率電流),則通過由磁軛5〇、 永久磁鐵60、及金屬板70構成的磁路部(振動體)的上下 運動產生振動信號。 這樣’本實施例的微型揚聲器1,在框架1〇和振動板 20之間、上述懸架40和上述磁軛5〇之間、磁軛%和永久 磁鐵60之間、永久磁鐵60和金屬板7〇之間、或振動板2〇 和蓋90之間中的一個結合利用黏貼膜8〇黏貼。根據情況, 可以用黏貼膜80黏貼全部上述結構部件,或用黏貼膜8〇 黏貼僅一部分部件。微型揚聲器1的各結構部件由金屬或 合成樹脂形成,如果使用黏貼膜80,具有容易適用於金屬 材料β卩件之間的黏貼,或合成樹脂材料部件之間的黏貼, 或金屬材料部件和合成樹脂材料部件之間的黏貼的優點。 透過這樣的技術,本實施例的微型揚聲器丨與透過現 有黏結劑黏貼各結構部件之間的情況相比具有良好的優 點。 具體地,透過現有黏結劑黏貼結構部件之間時,具有 201125378 難以調節減㈣布機 黏度及黏結劑塗布量等的 難s理黏結劑 先加:,在製造時二但黏貼㈣已被事 黏結剤塗布機,無需管理無需使用其他 術管理簡單。 1黏、、、。劑的黏度及塗布量,因此技 =外’㈣現有黏結㈣,_結齡錄、少量塗 :、或過量塗敷而使揚聲器的固有特性 =0在所鈴_結構料⑶轉同料㈣黏貼力、, 器的品質、性能產生的影響最小,因此具有降低不 -格率’能夠生產品質均衡的產品的效果。 ,另外’黏貼膜80的形狀可以透過尺寸精密度準確的模 型而大!生產’具有料適用於為㈣結構料而要求精 密尺寸的部分的優點。 另外,可以容易改變黏_ 8G的形狀,因此具有當微 型揚聲賴型規格多财樣時,容易改變黏貼膜⑽的形狀 而適用的優點。 另外,黏貼膜80的黏貼由於製造技術簡單,容易自動 化因而能夠大批量生產。 另一方面,本發明可以有與本實施例不同的各種變形。 例如,本實施例中,蓋90透過黏貼膜8〇黏貼在振動 板20的上面,但該蓋9〇也可直接透過黏貼膜8〇黏貼在上 部框架12的上端部。 以上,對本發明的較佳實施例進行了詳細說明,但本 發明不限於所述實施例,在不脫離本發明主旨的範圍内, 12 201125378 可以具有多個各雜形。因此,本發明真正的技術保護範 圍應該由附加的發明㈣請專利範_技術思想所限定。 【圖式簡單說明】 第1圖是現有微型揚聲器的簡單剖面圖。 第2圖是本發明實施例的微型揚聲器的簡單剖面圖。 第3圖是第2圖的”A”部分放大剖面圖。 第4圖是第2圖的"B”部分放大剖面圖。 第5圖至第7圖是展示使用本發明實施例的微型揚聲 器採用的黏貼膜的狀態的分離立體圖。 【主要元件符號說明】 1 微型揚聲器 10 框架 11 底面蓋部件 12 上部框架 13 下部框架 14 安置面 20 振動板 30 音圈 40 懸架 50 磁輛 54 底部 56 侧壁部 13 201125378 60 永久磁鐵 70 金屬板 80 黏貼膜 90 蓋 100 微型揚聲器 101 振動板 ' 102 音圈 * 103 金屬板 104 永久磁鐵 105 磁扼 106 懸架 110 框架 114 導線a 115 導線b A A部分 . B B部分The portion is fixed to the boundary of the vibrating plate 20, which is below the MU (1) limit port p-knife. The voice coil 3 is formed by winding a wire in the direction of the country. The voice coil 3G and the terminal provided in the frame 1G (not electrically connected to the coil 30 through the terminal to obtain current supply from the outside. The permanent magnet (9) and the metal plate 7〇 and the magnetic body of the lower portion of the ring 3G are joined in the lower direction. The space between the side wall portions 56 of the crucible 50. Such a space may be referred to as a magnetic groove. The material frequency signal flows through the voice coil 30 with a high solution current, and the relationship between the magnetic field and the magnetic field of the permanent magnet 6G is more than the voice coil. Movement in the downward direction whereby the vibrating plate 2 〇 combined with the voice coil 3 〇 vibrates and generates audio. The above suspension 40 has elasticity and its outer peripheral portion is fixed to the frame 1 〇. The suspension 40 may be referred to as an elastic member, a spring or a plate spring. The so-called elasticity means that the external force is applied from the outer (four) body, and the volume and shape are changed. When the eight external forces are canceled, the original shape is restored, and according to the type of deformation, the volume elasticity and the shape elasticity are divided into 201125378. The suspension 40 is mainly related to the shape elasticity. In the present embodiment, the suspension 40 is of a plate type and has a circular plate shape corresponding to the shape of the frame 10. The suspension 40 is made of a metal plate such as bronze. On the other hand, in other embodiments, the suspension may be made of a polymeric elastic material. The yoke 50 is fixed to the upper central portion of the suspension 40 in this embodiment, and has a bottom portion 54 and a side wall portion 56. As shown in Fig. 4 In the present embodiment, the magnetic coil 50 and the suspension 40 are adhered to the adhesive film 80. The adhesive film 80 is formed in a circular film shape. Of course, the shape of the adhesive film 80 may be formed in a polygonal film shape or a ring shape. The bottom portion 54 of the 50 is coupled to the permanent magnet 60, and the upper end portion of the side wall portion 56 is disposed at a position higher than the lower end portion of the voice coil 30. The permanent magnet 60 is fixed to the yoke 50 concentrically with the magnetic vehicle 50. The inner bottom portion 54. The permanent magnet 60 is formed in a circular plate shape corresponding to the shape of the yoke 50. As shown in Figs. 4 and 7, the magnetic vehicle 50 and the permanent magnet 60 are adhered by the adhesive film 80. The adhesive film 80 is formed in a circular film shape. Of course, the shape of the adhesive film 80 to which the yoke 50 and the permanent magnet 60 are adhered may be variously changed. The metal plate 70 is fixed to the upper surface of the permanent magnet 60. The sub-plate 70 is formed of a material that is easily passed by a magnetic force and has almost the same diameter as the permanent magnet 60. As shown in Figs. 4 and 7, the permanent magnet 60 and the metal plate 70 in the present embodiment have a circular film shape. The permanent magnet 60 and the metal plate 70 are fixed away from the side wall portion % of the yoke 5A. The side wall portion of the yoke 5A opposed to the outer surface of the permanent magnet 60 and the metal plate 70 is formed. A space is formed between the inner side surfaces of the 56, and a lower portion of the voice coil 3'' is located in the space. On the other hand, the permanent magnet 60, the metal plate 70, and the yoke 5' constitute a magnetic circuit of the speaker, that is, the permanent magnet 60 The magnetic flux forms a magnetic flux path back to the yoke 50 through the metal plate 70. When a current suitable for vibration (generally a low-frequency current) is applied to the voice coil 3, a vibration signal is generated by the up-and-down motion of the magnetic path portion (vibration body) composed of the yoke 5A, the permanent magnet 60, and the metal plate 70. . Thus, the microspeaker 1 of the present embodiment is between the frame 1A and the vibration plate 20, between the suspension 40 and the yoke 5A, between the yoke% and the permanent magnet 60, the permanent magnet 60 and the metal plate 7 One of the joints between the crucibles, or between the vibrating plate 2 and the cover 90, is bonded by the adhesive film 8〇. Depending on the case, all of the above structural members may be adhered by the adhesive film 80, or only a part of the components may be adhered by the adhesive film 8〇. Each structural component of the microspeaker 1 is formed of metal or synthetic resin, and if the adhesive film 80 is used, it is easy to apply to the adhesion between the metal material β-pieces, or the adhesion between the synthetic resin material parts, or the metal material parts and the synthesis. The advantage of adhesion between components of the resin material. Through such a technique, the microspeaker 本 of the present embodiment has a superior advantage as compared with the case where the existing adhesive is adhered to each structural member. Specifically, when the existing adhesive is adhered between the structural members, it is difficult to adjust the viscosity of the machine and the amount of the adhesive applied, and the adhesive is added first: in the manufacturing process, the adhesive is bonded (4).剤Coater, no need to manage without the need for other management. 1 sticky,,,. The viscosity and coating amount of the agent, so the technology = external '(4) existing bonding (four), _ age record, a small amount of coating:, or excessive coating to make the speaker's inherent characteristics = 0 in the bell _ structural material (3) to the same material (four) paste Force, the quality and performance of the device have the least impact, so it has the effect of reducing the non-lattice rate to produce a balanced product. In addition, the shape of the adhesive film 80 can be made large by a model with accurate dimensional accuracy! The production 'has the advantage that it is suitable for the part requiring a fine size for the (4) structural material. Further, since the shape of the adhesive _ 8G can be easily changed, there is an advantage that it is easy to change the shape of the adhesive film (10) when the micro-type sound-proof type is rich in specifications. Further, the adhesion of the adhesive film 80 can be mass-produced because of its simple manufacturing technique and easy automation. On the other hand, the present invention can have various modifications different from the present embodiment. For example, in the present embodiment, the cover 90 is adhered to the upper surface of the vibrating plate 20 through the adhesive film 8 ,, but the cover 9 〇 can also be adhered to the upper end portion of the upper frame 12 directly through the adhesive film 8 。. The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments, and 12 201125378 may have a plurality of various shapes without departing from the scope of the present invention. Therefore, the true technical protection scope of the present invention should be defined by the additional invention (4) patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a simplified cross-sectional view of a conventional microspeaker. Fig. 2 is a simplified cross-sectional view showing a microspeaker of an embodiment of the present invention. Fig. 3 is an enlarged cross-sectional view showing the portion "A" of Fig. 2; Fig. 4 is an enlarged cross-sectional view showing a portion of the "B" in Fig. 2. Fig. 5 to Fig. 7 are exploded perspective views showing a state in which the adhesive film used in the microspeaker of the embodiment of the present invention is used. 1 Microspeaker 10 Frame 11 Back cover part 12 Upper frame 13 Lower frame 14 Placement surface 20 Vibrating plate 30 Voice coil 40 Suspension 50 Magnetic 54 Lower part 56 Side wall 13 201125378 60 Permanent magnet 70 Metal plate 80 Adhesive film 90 Cover 100 Miniature Speaker 101 Vibration plate ' 102 voice coil * 103 metal plate 104 permanent magnet 105 magnetic 扼 106 suspension 110 frame 114 wire a 115 wire b AA part. BB part

Claims (1)

201125378 七、申請專利範圍: 1. -種微型揚聲器,包括:框架;振動板,其外周部固定在 该框架’音圈,固定在該振動板的下面;懸架,其外周部 固定在該框架,並具有彈性;磁輛,固定在該懸架;永久 磁鐵,固定在該磁軛的底面;及金屬板,固定在該永久磁 鐵的上面’其特徵在於: 该框架和該振動板之間、該懸架和該磁軛之間、該磁 輛和該水久磁鐵之間、或該永久磁鐵和該金屬板之間中的 一個由黏貼膜結合。 如申請專利範圍第1項所述之微型揚聲器,其中,包括配 置在該振純的上似外周縣合在雜㈣蓋,該框架 和該蓋由該黏貼膜結合。 、 3·如申請專利範圍第!項所述之微型揚聲器,其中,包括配 置在該振動板的上側且外周部結合在該振動板上面的 盍,該振動板和該蓋由該黏貼膜結合。 4.如申請專利範圍第1項所述之微型揚聲H,其中,該黏貼 膜形成為中心部貫通的環形。 ' 如申請專利範圍第2或3項所述之微型揚聲器,其中,該 黏貼膜形成為中心部貫通的環形。 6.如申睛專利範圍第丨項所述之微型揚聲器,其中,結合在 :磁耗和4I久磁鐵之間、或該永久磁鐵和該金屬板之間 中的-個的該黏貼膜是圓形膜或多邊形膜。 請專利範圍第!項所述之微型揚聲器,其中,該黏貼 膜疋在半硬化態下黏貼,並硬化的半硬化膜。 ' 15 201125378 8.如申請專利範圍第1項所述之微型揚聲器,其中,該黏貼 膜是由熱硬化樹脂形成的熱硬化膜。 16201125378 VII. Patent application scope: 1. A type of micro-speaker, comprising: a frame; a vibrating plate, the outer peripheral portion of which is fixed to the frame 'voice coil, fixed under the vibrating plate; the suspension, the outer peripheral portion of which is fixed to the frame, And having elasticity; a magnetic vehicle fixed to the suspension; a permanent magnet fixed to a bottom surface of the yoke; and a metal plate fixed to the upper surface of the permanent magnet. The characteristic is: between the frame and the vibration plate, the suspension One of the magnetic yoke, the magnetic vehicle and the water permanent magnet, or the one between the permanent magnet and the metal plate is bonded by an adhesive film. The microspeaker of claim 1, wherein the micro-speaker is disposed on the vibrating outer peripheral county (4) cover, and the frame and the cover are bonded by the adhesive film. 3) If you apply for a patent scope! The microspeaker of the present invention, comprising a crucible disposed on an upper side of the vibrating plate and having an outer peripheral portion coupled to the vibrating plate, the vibrating plate and the cover being joined by the adhesive film. 4. The miniature speaker H according to claim 1, wherein the adhesive film is formed into a ring shape through which the center portion penetrates. The microspeaker of claim 2, wherein the adhesive film is formed in a ring shape in which the center portion penetrates. 6. The microspeaker of claim 2, wherein the adhesive film is combined between: magnetic loss and 4I permanent magnet, or between the permanent magnet and the metal plate. Shaped film or polygonal film. Please patent scope! The microspeaker of the present invention, wherein the adhesive film is adhered in a semi-hardened state and hardened by a semi-hardened film. 8. The microspeaker of claim 1, wherein the adhesive film is a thermosetting film formed of a thermosetting resin. 16
TW099138139A 2009-11-06 2010-11-05 Multi-function micro-speaker TW201125378A (en)

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KR20110004764U (en) * 2009-11-06 2011-05-13 주식회사 비에스이 Multi-function micro-speaker
CN102291658B (en) * 2011-06-21 2014-02-12 陈奚平 Loudspeaker
KR101502379B1 (en) * 2013-04-25 2015-03-16 주식회사 이엠텍 Bonding structure of diaphragm for microspeaker and method for bonding diaphragms for microspeaker
CN105072527A (en) * 2015-07-20 2015-11-18 朝阳聚声泰(信丰)科技有限公司 In-ear receiver
KR102663543B1 (en) * 2018-12-06 2024-05-03 현대자동차주식회사 Yoke for speaker, Method form manufacturing the same And Speaker device including the same
CN109714696A (en) * 2018-12-07 2019-05-03 歌尔股份有限公司 A kind of assembly method of magnetic circuit component

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AT411558B (en) * 1999-11-05 2004-02-25 Akg Acoustics Gmbh ELECTROACOUSTIC CONVERTER
DE60226098T2 (en) * 2001-06-28 2009-06-18 Panasonic Corp., Kadoma Speaker system, mobile terminal and electronic device
JP3763570B2 (en) * 2001-06-28 2006-04-05 松下電器産業株式会社 Speaker system, portable terminal device, and electronic device
JP4034696B2 (en) * 2002-06-24 2008-01-16 松下電器産業株式会社 Speaker diaphragm
JP2007124306A (en) * 2005-10-28 2007-05-17 Sanyo Electric Co Ltd Information display device
KR100932755B1 (en) * 2007-12-17 2009-12-21 에스텍 주식회사 Multifunction speaker
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CN102056057A (en) 2011-05-11

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