TW201123922A - Easy fabrication of electret condenser microphone - Google Patents

Easy fabrication of electret condenser microphone Download PDF

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Publication number
TW201123922A
TW201123922A TW98144988A TW98144988A TW201123922A TW 201123922 A TW201123922 A TW 201123922A TW 98144988 A TW98144988 A TW 98144988A TW 98144988 A TW98144988 A TW 98144988A TW 201123922 A TW201123922 A TW 201123922A
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Taiwan
Prior art keywords
condenser microphone
spacer
circuit board
electret
easily assembled
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TW98144988A
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Chinese (zh)
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TWI449436B (en
Inventor
Sheng-Kum Chang
Tao-Sang Yang
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Merry Electronics Shenzhen Co Ltd
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Priority to TW098144988A priority Critical patent/TWI449436B/en
Publication of TW201123922A publication Critical patent/TW201123922A/en
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Publication of TWI449436B publication Critical patent/TWI449436B/en

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Abstract

An easy fabrication of an electret condenser microphone includes a housing, a spacer, a vibrator and a print circuit board. The housing has a sound hole formed thereon for receiving audio from surroundings. The print circuit board is disposed at an opening of the housing. The spacer is disposed within the housing and electrically connected to the print circuit board through the housing. The spacer includes an accommodating portion with an electret region, and the electret region has an air hole connected to the sound hole for providing sound flow to pass through. One end of the vibrator is electrically connected to the print circuit board, and the other end of the vibrator is inserted into the accommodating portion of the spacer to have a predetermined distance formed between the electret region and the vibrator.

Description

201123922 六、發明說明: v 【發明所屬之技術領域】 本發明係有關於一種電容式麥克風’尤指一種利用套接方式 使内部構件易結合並形成定位之易組裝之電容式麥克風。 【先前技術】 電聲產品廣泛地運用在行動通訊裝置以及可攜式電子設備, 隨著這些電子產品的快速發展,人們對於電聲產品的功能要求也 • 越來越強,因此電聲產品之發展也相對應地迅速發展。 請參照第一圖,為一種習知電容式麥克風之剖面圖。圖中電 容式麥克風100主要包括有一外殼101、一電路板1〇2、一駐極體 103、一振動構件1〇4、一絕緣墊圈1〇5及一絕緣環1〇6。外殼1〇1 設有一音孔101a’用以收接外界音源,電路板1〇2設置於外殼1〇1 之開口端,且電路板102上用以承載如電晶體等之電子元件1〇2a, 振動構件104之-端設置有一振動臈1〇4a,而# 一端則電連接於 ί 電路板102上。 駐極體103係設置於外殼101内,並經由外殼1〇1與電路板 102產生電性連接’且駐極體1〇3具有氣孔,以提供聲音氣 流通過,此外,絕緣墊圈105係抵接於駐極體1〇3與振動膜_ 之間,並使振動膜购與駐極體1〇3保持一預定間距,另外,絕 緣環106係安袋於外殼101與振動構件1〇4之間,用以防止外殼 101與振動構件104導通而形成短路。 當外部音源進入外殼101内,振動膜购受聲音氣流振動而 201123922 •與駐極體⑽之間的距離產生變化,進而導致兩者之間的電容量 、 改變,並傳遞至電路板102,經由電子元件102a處理,使之轉換 成對應的電氣信號。 上述電各式麥克風100之整體構件繁多,造成組配程序複雜 且工時長,而無法有效地控制產製效率與良率,且由於絕緣墊圈 105外型尺寸相當輕、薄,使得在裝配時’取放對位不容易,更容 易衫響產品的組配品質’再者’電容式麥克風励在組配過程中, •僅是單純的將各部件置放於電路板與外殼⑼之間組合,如 此無法達到封裝前之個定位’容易形成結構鬆散之情形,而影 響產品之可靠度’因此有改善習知電容式麥克風麵缺點之 必要。 【發明内容】 有鑑於上述課題,本發明之目的在於提供一種利用套接方式 使内部構件易結合並形成定位之易組裝之電容式麥克風。 i 、緣是為達上述目的’本發明揭露一種易組裝之電容式麥克 風’其包括有m隔件、—振動構件及—電路板。外殼 -端為開放端’另-端具有—音孔,用以接受外界音源,電路板 結合於外殼之開放端,間隔件容置於外殼内,並經由外殼與電路 板電性連接,間隔件包含有一容置部,容置部内具有一駐極區域, 駐極區域設有-纽,以提供聲音驗通频齡錢通,振動 構件-職性連接於電路板,另—侧套接於容置部 ’並與駐極 品域保持有間距。藉此’本發明間隔件套接於振動構件上,使 201123922 • 得兩者定位明確且穩固,如此在組配上可更為簡易而快速,有效 ' 減少製造工時,而間隔件以沖壓製程一體成型製作,使得本發明 省掉了習知結構之絕緣墊圈與絕緣環於組裝上造成的不便,在整 體結構上亦較為簡易。 在本發明之易組裝之電容式麥克風另一實施例中,外殼可實 施為矩形狀,且外殼之音孔亦能開設於側邊位置上,並藉由與音 孔連通之導氣槽而與間隔件之氣孔相通之,以達收音之效果,如 • 此可使電容式麥克風得以適用於不同之電子產品上。 【實施方式】 以下,依據圖式就本發明之易組裝之電容式麥克風實施例加 以說明。 月 > “、、第一、二圖所示,第二圖為本發明第一實施例之分解 圖,第三圖為本發明第一實施例之剖面圖,顯示易組裝之電容式 •麥克風1由一外殼10、一間隔件2〇、-振動構件30及-電路板 40所構成。 外殼10之一端係為開放端,而另一端則具有一音孔11以接 收外界音源,電路板40係以機械式之結合方式結合於外殼1〇之 開放端,其中電路板40上可承載如第三圖所示電晶體之電子元件 41。 間隔件20係設置於外殼1〇之内,並經由外殼1〇與電路板恥 產生電性連接’且間隔件2G之—伽設有—容置部21,其内具有 201123922 一駐極區域,駐極輯22設有—氣孔23,用以提供聲音氣流 通過並與音孔11連通,樣極區域22外周緣对—承接部24 / 2承接部2慎駐極區域21不在同一平面上,此外,間隔件如之 谷置部21周緣具有一傾斜向外延伸之邊緣部25,其位於承接 24之外側並較承接部24更遠離駐極區域22。201123922 VI. Description of the Invention: v Technical Field of the Invention The present invention relates to a condenser microphone, particularly a condenser microphone that is easy to assemble and form an internal component by means of a socket. [Prior Art] Electroacoustic products are widely used in mobile communication devices and portable electronic devices. With the rapid development of these electronic products, the functional requirements for electroacoustic products are becoming stronger and stronger, so electroacoustic products are Development has also developed rapidly in response. Please refer to the first figure, which is a cross-sectional view of a conventional condenser microphone. The capacitive microphone 100 mainly includes a housing 101, a circuit board 1〇2, an electret 103, a vibrating member 1〇4, an insulating gasket 1〇5, and an insulating ring 1〇6. The casing 1〇1 is provided with a sound hole 101a' for receiving an external sound source, the circuit board 1〇2 is disposed at the open end of the casing 1〇1, and the circuit board 102 is used to carry electronic components such as transistors and the like. The vibrating member 104 is provided at one end with a vibration 臈1〇4a, and the # end is electrically connected to the ί circuit board 102. The electret 103 is disposed in the outer casing 101 and electrically connected to the circuit board 102 via the outer casing 1〇1 and the electrets 1〇3 have air holes to provide sound airflow, and the insulating gasket 105 is abutted. Between the electret 1〇3 and the diaphragm _, and the diaphragm is maintained at a predetermined distance from the electret 1〇3, and the insulating ring 106 is secured between the outer casing 101 and the vibrating member 1〇4. To prevent the outer casing 101 from being electrically connected to the vibrating member 104 to form a short circuit. When the external sound source enters the outer casing 101, the diaphragm purchases the sound airflow to vibrate and 201123922 • the distance between the electret (10) changes, thereby causing the capacitance between the two, changing, and transmitting to the circuit board 102, via The electronic component 102a processes it to convert it into a corresponding electrical signal. The various components of the above-mentioned electric microphone 100 are numerous, resulting in complicated assembly procedures and long working hours, and cannot effectively control the production efficiency and yield, and since the outer shape of the insulating gasket 105 is relatively light and thin, the assembly time is 'It is not easy to pick and place the alignment. It is easier to match the quality of the product. 'There is' the condenser microphone excitation in the assembly process. • It is only a simple combination of the components between the circuit board and the casing (9). Therefore, it is impossible to achieve a positioning before packaging, which is easy to form a loose structure, which affects the reliability of the product. Therefore, it is necessary to improve the disadvantages of the conventional condenser microphone surface. SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a condenser microphone that is easy to assemble and form a positioning by using a socket method. i, the edge is for the above purpose 'The present invention discloses an easily assembled capacitive microphone' which includes an m spacer, a vibrating member and a circuit board. The outer casing end is an open end and the other end has a sound hole for receiving an external sound source. The circuit board is coupled to the open end of the outer casing, and the spacer is received in the outer casing and electrically connected to the circuit board via the outer casing. The utility model comprises a receiving portion, the receiving portion has an electret region, the electret region is provided with a button, and the sounding member is connected to the circuit board, and the other component is connected to the capacitor. Set the section 'and maintain a gap with the electret category. Therefore, the spacer of the present invention is sleeved on the vibrating member, so that the 201123922 can be positioned clearly and stably, so that the assembly can be simpler, faster, and more efficient, and the manufacturing time is reduced, and the spacer is stamped. The integral molding makes the invention save the inconvenience caused by the assembly of the insulating gasket and the insulating ring of the conventional structure, and is also simple in the overall structure. In another embodiment of the easy-to-assemble condenser microphone of the present invention, the outer casing can be implemented in a rectangular shape, and the sound hole of the outer casing can also be opened at the side position, and is connected by the air guiding groove communicating with the sound hole. The air holes of the spacers communicate with each other to achieve the effect of the radio, such as • the condenser microphone can be applied to different electronic products. [Embodiment] Hereinafter, an embodiment of an easily assembled condenser microphone of the present invention will be described with reference to the drawings. The first diagram is an exploded view of the first embodiment of the present invention, and the third diagram is a cross-sectional view of the first embodiment of the present invention, showing an easily assembled capacitive microphone. 1 is composed of a casing 10, a spacer 2, a vibrating member 30, and a circuit board 40. One end of the casing 10 is an open end, and the other end has a sound hole 11 for receiving an external sound source, and the circuit board 40 It is mechanically coupled to the open end of the housing 1 , wherein the circuit board 40 can carry the electronic component 41 of the transistor as shown in the third figure. The spacer 20 is disposed within the housing 1 , The housing 1〇 is electrically connected to the circuit board shame and the spacer 2G is provided with a receiving portion 21 having an 201123922 electret region, and the electret 22 is provided with a vent 23 for providing sound. The airflow passes through and communicates with the sound hole 11, and the outer peripheral edge pair of the sample pole region 22 is not in the same plane as the receiving portion 24 / 2 receiving portion 2, and the spacer has a tilting direction on the periphery of the valley portion 21 An outer extending edge portion 25 located on the outer side of the receiving portion 24 Further away from the portion 24 in region 22.

振=構件3G包括-振動膜31及—金屬材質製成之固定環 *固疋% 32用以支樓和固定振動膜31,振動構件%設置於外 成10内部’且固定環32底端承接於電路板4〇之一表面,使得振 動構件3〇與電路板40形成電性連接,而振動膜31之周緣則抵靠 於間隔件20之承接部24,由於承接部24與駐麵域2ι不在同一 平面上’承接部24較駐極區域22向外隆起,使振動膜Μ之周緣 抵接’並因此使得振動膜31與駐極區域22保持一預定間距,除 在此揭示之實施例之外’當然亦可配合振動 Μ 將承^⑵設計成_料具有提供減之躲。構〜十而 清繼續參照第三圖所示’振動構件3〇以套接方式套置於間隔 件2〇之容置部2卜使振動構件3〇之振動膜31抵接在間隔件2〇 之承接部24,並振_ 31與駐極區域21得保持-預定間距,如 此一來’振動構件30可被穩固地定位在電路板40與間隔件2〇之 間’藉由間隔件20之邊緣部25外徑大於振動構件3〇之故,得以 防止振動構件3G之峡環32不會與外殼ig之内壁接觸而形成短 路之虞’再者’間隔件20鄰接於音孔n周緣之上緣與對應外殼 ⑴内壁之邊緣部25外表面皆屬於金屬層,因此間隔件2〇能藉由 201123922 ^上緣抵接於外殼10並與電路板作電性連接,而當間隔件2〇之 、雜部25接觸於外殼H)内辦,除了完全不會有發生短路之問 題外間隔件20則月b藉由邊緣部25外表面與外殼⑺内壁之抵接 而與電路板40電性連接’如此降低了產品故障的風險,相對地也 提升了產扣之可#性。藉由上述,本發明之易組裝之電容式麥克 風1在組裝程中,可利用間隔件20與振動構件3〇之間的套合 關係’作-快逮的套設定位,如此組配效果不但穩固且簡易快速, #大大地免除習知結構在組配過封的繁鎖程序,近而鱗決產品 良率不佳之問題。The vibration member 3G includes a diaphragm 31 and a fixing ring made of a metal material. The fixing member 32 is used for the branch and the fixed diaphragm 31, and the vibration member is disposed inside the outer portion 10 and the bottom end of the fixing ring 32 is received. On one surface of the circuit board 4, the vibrating member 3 is electrically connected to the circuit board 40, and the peripheral edge of the diaphragm 31 abuts against the receiving portion 24 of the spacer 20, due to the receiving portion 24 and the seating area 2 Not in the same plane, the receiving portion 24 bulges outwardly from the electret region 22, causing the periphery of the diaphragm to abut and thus maintains the diaphragm 31 at a predetermined distance from the electret region 22, except for the embodiments disclosed herein. The outer 'of course, it can also be combined with the vibration Μ to design the bearing ^ (2) to provide a reduction. Continuing to refer to the 'vibrating member 3' shown in the third figure, the vibrating member 3 is sleeved in the receiving portion 2 of the spacer 2, so that the vibrating member 31 of the vibrating member 3 abuts against the spacer 2 The receiving portion 24, the vibration _ 31 and the electret region 21 are maintained at a predetermined interval, so that the 'vibrating member 30 can be stably positioned between the circuit board 40 and the spacer 2' by the spacer 20 The outer diameter of the edge portion 25 is larger than that of the vibrating member 3, so that the gallow ring 32 of the vibrating member 3G is prevented from coming into contact with the inner wall of the outer casing ig to form a short circuit. Further, the spacer 20 is adjacent to the periphery of the sound hole n. The outer surface of the edge portion 25 of the inner wall of the inner wall of the corresponding outer casing (1) belongs to the metal layer, so that the spacer 2 can be abutted to the outer casing 10 and electrically connected to the circuit board by the upper edge of the 201123922, and the spacer 2 The miscellaneous portion 25 is in contact with the outer casing H), except that there is no problem of short circuit at all. The outer spacer 20 is electrically connected to the circuit board 40 by the abutment of the outer surface of the edge portion 25 and the inner wall of the outer casing (7). 'This reduces the risk of product failure, and relatively enhances the production and deduction.According to the above, the easily assembled condenser microphone 1 of the present invention can utilize the nesting relationship between the spacer 20 and the vibrating member 3〇 during the assembly process, so that the assembly effect is not only the effect of the assembly. Stable and simple and fast, # greatly eliminates the problem that the conventional structure is equipped with a complicated lock procedure, and the scale of the product is not good.

請參照第四A及四B圖。細A圖為本發明第—實施例之易 組裝之電容絲克風之_件半成品之剖_。細B圖為本發 明第-實施例之易組裝之電容式麥克風之間隔件成品之剖面圖。 如第四A圖所示,間隔件半成品義係為一複合材,其由一 2 26與-絕緣層27所構成。如第四B圖所示,間隔件半成品池 透過沖壓製程,係可成型出近似门字狀的外形,且同時成型出且 有駐極區域22、_3、_ 24及_ &之_ H 將駐極區域22施予極化處理,使駐顧域22帶有自由電荷。呈 中,駐㈣域22、承接部24及邊緣部25非位朗_平面上,: 形成三段高低落差,此外,於本發之沖壓製程 亦可藉其仙類似之機械式加卫方式取代而具有相同之功效,如 ^本發明省去習知結構之絕緣_,免除組料需要 度的取放對位,使得本發明結構較為簡易,組裝上可快速: 201123922 供產品於之良率,進而提高成品的品質及產量。 、 請參照第五圖所示,為本發明第二實施例之剖面圖。本實施 例與前述不同之處在於間隔件2〇之邊緣部25係垂直向下延伸, 如此使制隔件20與振動構件30之套合關可更為穩固。 請參照第六、七圖所示,為本發明第三實施例之分解圖及剖 面圖。本實施例與第-實施例不同的是,本實施例t之易組裝之 電容式麥克風2實施為矩形狀,得依需求而運用於不同型態之電 •子產品。易組裝之電容式麥克風2由—外殼50、一間隔件60、一 振動構件70及一電路板8〇所構成。 外殼50係為-矩形狀,其一端為開放端,另一端具有一音孔 51,音孔51係連通-導氣槽52,電路板8〇外形對應外殼%亦為 矩形狀’且結合於外殼5〇之開放端,其中電路板8〇上可承載如 第七圖所示電晶體之電子元件81。 間隔件60係設置於外殼50之内,並經由外殼5〇與電路板8〇 鲁產生電性連接,且間隔件60之一側具有一容置部61,其内設有一 環狀之駐極區域62,駐極區域62中央設有一氣孔63,用以提供 聲音氣流通過並經由導氣槽52與音孔51連通,另外,駐極區域 62外周緣環設有一承接部64,於承接部64之外周緣更設有一邊 緣部65,且駐極區域62、承接部64及邊緣部65均不在同一平面 上,另外,本實施例之間隔件60與第一實施例採用相同的成型方 式,故在此不多贅述。 振動構件70包括一振動膜71及一金屬材質製成之固定環 201123922 72Please refer to Figures 4A and 4B. The detailed A picture is a cross-sectional view of the semi-finished product of the easily assembled capacitor wire of the first embodiment of the present invention. Figure B is a cross-sectional view of the finished spacer of the easily assembled condenser microphone of the first embodiment of the present invention. As shown in Fig. 4A, the spacer semi-finished product is a composite material composed of a 226 and an insulating layer 27. As shown in the fourth block B, the spacer semi-finished product pool can be formed into a nearly gate-shaped shape through the stamping process, and simultaneously formed with the electret regions 22, _3, _ 24 and _ & The electret region 22 is subjected to a polarization process to impart a free charge to the resident region 22. In the middle, the station (4) field 22, the receiving portion 24 and the edge portion 25 are non-positional _ planes, and form a three-stage high and low drop. In addition, the stamping process of the present invention can also be replaced by a similar mechanical reinforcement method. The invention has the same effect, such as the invention, which omits the insulation of the conventional structure, and eliminates the need for the pick-and-place alignment of the material, so that the structure of the invention is relatively simple, and the assembly can be fast: 201123922 for the yield of the product, In turn, the quality and output of the finished product are improved. Please refer to the fifth figure for a cross-sectional view of a second embodiment of the present invention. This embodiment differs from the foregoing in that the edge portion 25 of the spacer member 2 extends vertically downward, so that the spacer 20 and the vibrating member 30 can be more securely closed. Referring to Figures 6 and 7, there is shown an exploded view and a cross-sectional view of a third embodiment of the present invention. The present embodiment differs from the first embodiment in that the condenser microphone 2 of the present embodiment t is easily formed in a rectangular shape and can be applied to different types of electric products according to requirements. The easily assembled condenser microphone 2 is composed of a casing 50, a spacer 60, a vibrating member 70, and a circuit board 8A. The outer casing 50 has a rectangular shape with an open end at one end and a sound hole 51 at the other end. The sound hole 51 is connected to the air guiding groove 52. The outer shape of the circuit board 8 is also rectangular and is combined with the outer casing. The open end of the cymbal, wherein the electronic component 81 of the transistor as shown in the seventh figure can be carried on the circuit board 8. The spacer 60 is disposed in the outer casing 50 and electrically connected to the circuit board 8 via the outer casing 5, and has a receiving portion 61 on one side of the spacer 60, and a ring-shaped electret is disposed therein. In the region 62, an air hole 63 is formed in the center of the electret region 62 for providing a sound airflow and communicating with the sound hole 51 via the air guiding groove 52. Further, the outer peripheral edge of the electret region 62 is provided with a receiving portion 64 at the receiving portion 64. The outer peripheral edge is further provided with an edge portion 65, and the electret region 62, the receiving portion 64 and the edge portion 65 are not in the same plane. In addition, the spacer 60 of the embodiment adopts the same molding method as the first embodiment, I won't go into details here. The vibrating member 70 includes a vibrating membrane 71 and a fixing ring made of a metal material. 201123922 72

構件70 i峡環72底端承接於祕板⑽之—表面使得振動 Γ11請_性連接,而振_丨_於間隔件 由她Γ64,且振動膜71與駐極區域62保持-就間距,藉 接減垃Γ70套設於間隔件6G之容置部6 w_構件70可抵 饱5部64 ’如此一來,振動構件70可被穩固地定位在電路板 舰1隔件60之間,且藉由間隔件60之邊緣部65外徑大於振動 ,之故振動構件70之固定環72不會與外殼5〇之内壁接 /成短路,如此降低了產品故障的風險,相對地也提昇了產 :之可靠性’故本實施_樣具第—實_之快速配組及穩固結 合之功效性,再者,音孔51可依需糊設於外殼%之側邊位置 上’並藉由導氣槽52與位於間隔件6〇尹央之氣孔纪連通,同樣 具有接受聲音氣流之功效’有助於被制在某些特殊之電子產品 上,而增加了易組裝之電容式麥克風之產品適用性。 綜合上述,本發明易組裝之電容式麥克風之間隔件套接於振 動構件’使得賴件與縣構件得以穩嶋定位在電路板與外殼 之間,如此提冑了在製造過程中之組配的效帛,亦增加產品之可 罪度’再者’由於間隔件為賴—體成型,免除了習知結構之絕 緣墊圈與絕緣環,而當間隔件與振動構件套接時,更能藉由間隔 件之邊緣部防止振動構件與外殼之内壁接觸,排除了短路之可 能,如此不但簡化了結構,亦使產品在組裝上快速確實,得以利 用自動化没備來產製,有提高成品之產量與良率,進而降低組裝 201123922 之成本。 以上所_為舉例性’而非為限制性者。任何未脫離本發明 之精神與_,輯其進行之等效修改或變更,摘包含於後附 之申請專利範圍中。 【圖式簡單說明】 第一圖為習知電容式麥克風之剖面圖。 第二圖為本發明第一實施例易組裝之電容式麥克風之分解圖。 鲁第三圖為本發明第一實施例易組裝之電容式麥克風之剖面圖。 第四A圖為本發明第一實施例易組裝之電容式麥克風之間隔件半 成品剖面圖。 第四B圖為本發明第一實施例易組裝之電容式麥克風之間隔件成 品剖面圖。 第五圖為本發明第二實施例易組裝之電容式麥克風之剖面圖。 第六圖為本發明第三實施例易組裝之電容式麥克風之分解圖。 鲁 第七圖為本發明第三實施例易組裝之電容式麥克風之剖面圖。 【主要元件符號說明】 100 電容式麥克風 101 外殼 101a 音孔 102 電路板 102a 電子元件 103 駐極體 103a 氣孔 104 振動構件The bottom end of the member 70 i-girth ring 72 is supported by the surface of the secret plate (10) such that the vibrating jaw 11 is _-connected, and the vibrating _ _ _ the spacer is held by her Γ 64, and the vibrating membrane 71 is maintained at a distance from the electret region 62. By accommodating the Γ 70 sets of the accommodating portion 6 w of the spacer 6G, the member 70 can be filled with the five portions 64 ′. Thus, the vibrating member 70 can be stably positioned between the circuit board 1 partition 60. Moreover, since the outer diameter of the edge portion 65 of the spacer 60 is larger than the vibration, the fixing ring 72 of the vibrating member 70 is not short-circuited with the inner wall of the outer casing 5, thereby reducing the risk of product failure and relatively improving. Production: the reliability of the present implementation _ sample with the first - real _ rapid combination and stable combination of efficiency, in addition, the sound hole 51 can be affixed to the side of the outer shell % The air guide groove 52 is connected to the air hole of the spacer 6〇Yinyang, and has the effect of receiving the sound airflow, which helps to be made on some special electronic products, and increases the applicability of the easily assembled condenser microphone. . In summary, the spacer of the easy-to-assemble condenser microphone of the present invention is sleeved on the vibrating member' so that the spacer member and the county member can be stably positioned between the circuit board and the outer casing, thus enhancing the assembly process in the manufacturing process. It also increases the guilty degree of the product. 'There is another' because the spacer is formed by the body, which eliminates the insulating gasket and the insulating ring of the conventional structure, and when the spacer is connected with the vibration member, it can be more The edge portion of the spacer prevents the vibrating member from coming into contact with the inner wall of the outer casing, thereby eliminating the possibility of short circuit, which not only simplifies the structure, but also makes the product quick and accurate in assembly, can be produced by using automation, and improves the yield of the finished product. Yield, which in turn reduces the cost of assembling 201123922. The above is by way of example and not by way of limitation. Any equivalent modifications or alterations made by the spirit and scope of the present invention are included in the scope of the appended claims. [Simple description of the diagram] The first figure is a cross-sectional view of a conventional condenser microphone. The second figure is an exploded view of a condenser microphone that is easy to assemble according to the first embodiment of the present invention. The third figure is a cross-sectional view of a condenser microphone which is easy to assemble according to the first embodiment of the present invention. Fig. 4A is a cross-sectional view showing a semi-finished product of a spacer of an easily assembled condenser microphone according to a first embodiment of the present invention. Fig. 4B is a cross-sectional view showing the spacer of the condenser microphone which is easy to assemble in the first embodiment of the present invention. Fig. 5 is a cross-sectional view showing a condenser microphone which is easy to assemble in accordance with a second embodiment of the present invention. Figure 6 is an exploded view of a condenser microphone that is easily assembled in accordance with a third embodiment of the present invention. Lu is a cross-sectional view of a condenser microphone that is easy to assemble in accordance with a third embodiment of the present invention. [Main component symbol description] 100 Capacitive microphone 101 Case 101a Sound hole 102 Circuit board 102a Electronic component 103 Electret 103a Air hole 104 Vibration member

11 20112392211 201123922

104a 振動膜 105 絕緣墊圈 106 絕緣環 1 易組裝之電容式麥克風 10 外殼 11 音孔 20 間隔件 20a 間隔件半成品 21 容置部 22 駐極區域 23 氣孔 24 承接部 25 邊緣部 26 金屬層 27 絕緣層 30 振動構件 31 振動膜 32 固定環 40 電路板 41 電子元件 2 易組裝之電容式麥克風 50 外殼 51 音孔 52 導氣槽 60 間隔件 61 容置部 62 駐極區域 63 氣孔 64 承接部 65 邊緣部 70 振動構件 71 振動膜 72 固定環 80 電路板 81 電子元件 12104a Vibrating membrane 105 Insulating gasket 106 Insulating ring 1 Capacitive microphone 10 that is easy to assemble Housing 11 Sound hole 20 Spacer 20a Spacer semi-finished product 21 Housing 22 Electret region 23 Air hole 24 Receiving portion 25 Edge portion 26 Metal layer 27 Insulation 30 Vibration member 31 Vibration film 32 Retaining ring 40 Circuit board 41 Electronic component 2 Easy-to-assemble condenser microphone 50 Case 51 Sound hole 52 Air guide groove 60 Spacer 61 accommodating portion 62 Electret region 63 Air hole 64 Receiving portion 65 Edge portion 70 Vibration member 71 Vibration film 72 Retaining ring 80 Circuit board 81 Electronic components 12

Claims (1)

201123922 七、申請專利範圍: 1. 一種易組裝之電容式麥克風,其包括有: 外设,係一端為開放端,另一端具有一音孔,用以接受 外界音源; 一電路板,結合於該外殼之開放端; 一間隔件,容置於該外殼内,並經由該外殼與該電路板電 性連接,該間隔件包含有一容置部’該容置部内具有一駐極區 域,該駐極區域設有一氣孔,以提供聲音氣流通過並與該音孔 連通;以及 一振動構件,係一端電性連接於該電路板,另一端則套接 於該谷置部,並與該駐極區域保持有一間距。 2. 如申請專利範圍第1項所述之易組裝之電容式麥克風,其中該駐 極區域周緣環設有一承接部,用以提供該振動構件之抵接。 3. 如申請專利範圍第2項所述之易組裝之電容式麥克風,其中該承 接σ卩與该駐極區域不在同 ip*面。 4. 如申請專利範圍第3項所述之易組裝之電容式麥克風,其中該承 接部較該駐極區域向外隆起。 5. 如申請專利範圍第1項所述之易組裝之電容式麥克風,其中該容 置部外側環設有一邊緣部,用以防止該振動構件與該外殼内壁接 觸。 6. 如申睛專利範圍第5項所述之易組裝之電容式麥克風,其中該邊 緣部之外徑大於該振動構件。 13 201123922 7·如申請細刪!賴述之驗裝之電容式麥克風,其中該振 動構件包括-振動膜及-固定環,該固定環一端電連接於該電路 板,該振動膜則固持於該固定環另一端。 8.如申請專利範圍ΙΜ項所述之易組裝之電容式麥克風,其中該音 孔與該氣孔之間設有一導氣槽。 曰 9‘如申請專利範圍帛8項所述之易組裝之電容式麥克風,其中該導 氟槽設置該外殼並連通於該音孔。 1〇.如申凊專利細第1項所述之易組裝之電容式麥克風,其中該 間隔件係以沖壓成型。 11. 如申請專利範圍第10項所述之易組裝之電容式麥克風,其中該 間隔件由一間隔件半成品沖壓成型出該駐極區域、該氣孔與該 承接部。 12. 如申請專利範圍第11項所述之易組裝之電容式麥克風,其中該 駐極區域經由極化處理。 如申請專利範圍第u項所述之易組裝之電容式麥克風,其中該 間隔件半成品由一金屬層與一絕緣層所構成。201123922 VII. Patent application scope: 1. An easy-to-assemble condenser microphone, comprising: a peripheral device having an open end at one end and a sound hole at the other end for receiving an external sound source; a circuit board coupled to the An open end of the outer casing; a spacer disposed in the outer casing and electrically connected to the circuit board via the outer casing, the spacer comprising a receiving portion having an electret region therein, the electret An air hole is provided in the area to provide a sound airflow and communicates with the sound hole; and a vibration member is electrically connected to the circuit board at one end, and is sleeved in the valley portion at the other end and is maintained with the electret region There is a gap. 2. The easy-to-assemble condenser microphone of claim 1, wherein the peripheral ring of the electret region is provided with a receiving portion for providing abutment of the vibrating member. 3. The easy-to-assemble condenser microphone of claim 2, wherein the receiving σ卩 is not on the same ip* side as the electret region. 4. The easily assembled condenser microphone of claim 3, wherein the receiving portion is raised outwardly from the electret region. 5. The easily assembled condenser microphone of claim 1, wherein the outer ring of the receiving portion is provided with an edge portion for preventing the vibrating member from coming into contact with the inner wall of the outer casing. 6. The easily assembled condenser microphone of claim 5, wherein the outer diameter of the edge portion is larger than the vibration member. 13 201123922 7·If you apply for deletion! The captive microphone of Lai's inspection, wherein the vibrating member comprises a vibrating membrane and a fixing ring, one end of the fixing ring is electrically connected to the circuit board, and the vibrating membrane is held at the other end of the fixing ring. 8. The easily assembled condenser microphone of claim 1, wherein an air guiding groove is disposed between the sound hole and the air hole.曰 9 'As claimed in claim 8, the easy-to-assemble condenser microphone, wherein the fluorine guiding groove is provided with the casing and communicates with the sound hole. The accommodating condenser microphone of the first aspect of the invention, wherein the spacer is formed by stamping. 11. The easily assembled condenser microphone of claim 10, wherein the spacer is stamped from a spacer semi-finished product to form the electret region, the air hole and the receiving portion. 12. The easily assembled condenser microphone of claim 11, wherein the electret region is processed via polarization. The easily assembled condenser microphone of claim 5, wherein the spacer semi-finished product is composed of a metal layer and an insulating layer.
TW098144988A 2009-12-25 2009-12-25 Easy fabrication of electret condenser microphone TWI449436B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115824382A (en) * 2023-02-13 2023-03-21 杭州兆华电子股份有限公司 Rear polar plate type measuring microphone and manufacturing method thereof

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Publication number Priority date Publication date Assignee Title
US5272758A (en) * 1991-09-09 1993-12-21 Hosiden Corporation Electret condenser microphone unit
CA2315417A1 (en) * 1999-08-11 2001-02-11 Hiroshi Une Electret capacitor microphone
TWI244871B (en) * 2003-10-24 2005-12-01 Knowles Electronics Llc High performance capacitor microphone and manufacturing method thereof
US20080232630A1 (en) * 2007-03-19 2008-09-25 National Chung-Hsing University Condenser microphone package
KR200449885Y1 (en) * 2008-05-19 2010-08-17 주식회사 비에스이 Spacer unified diaphram for condenser microphone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115824382A (en) * 2023-02-13 2023-03-21 杭州兆华电子股份有限公司 Rear polar plate type measuring microphone and manufacturing method thereof
CN115824382B (en) * 2023-02-13 2023-06-09 杭州兆华电子股份有限公司 Rear polar plate type measuring microphone and manufacturing method thereof

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