1336421 九、發明說明： 【發明所屬之技術4員域j 本發明係有關於一種快門裝置，尤指 掌上型行動裝置或攜帶型電腦裝置二 ； 置於 組申的快門裝置。 九予攝衫模 【先前技術】 近幾年來，行動電話、PDA等之掌上型行 如筆記型電腦等之攜帶型電腦裝置中配備光學攝則^且 的趨勢已日盈普遍，並且伴隨著消費市場對掌上動择 置功能要求更好及體積更小的市場需电 ^ 預文J ] φ穷而衣下，令光學攝影槿 組已面臨到更高晝質與小型化的雙重要求。目前去上、 動裝置或攜帶型電腦裝置所使用之光學攝影模其$ = 具有二種常見之光感器型態，—種/係υ為 CCD(Charge_Coupled Device ;電荷耦合元件），另—種; 為 CMOSCComplementary Metal-Oxide Semic〇nduct〇r ; ^ 補性氧化金屬半導體）。 ’ 按，光學攝影模組中會具有一快門襞置，其係用以解 決影像曝光過程中之問題，而作動原理大致如後具有配 置在如C C D或C Μ 0 S等前方之光路以進行開/閉動^的: 快門葉片，及利用一如電磁閥（或可稱電磁促動器）藉以栌 制快門葉片之產生開啟或關閉的移動狀態。當在攝景\取^ 之待機狀態下，將電磁閥通電後，即產生電磁作用=而= 制快門葉片開/閉，以控制光感器受光或不受光，進而^ 到曝光之控制；例如：中國大陸專利公開號CN15〇3〇46a 即揭露出此種原理之快門裝置。 5 1336421 然，在現今消費市場追求輕薄、短小之理念下，即使 得掌上型行動裝置或攜帶型電腦裝置内部零組件的擺設 空間愈趨狹小化，相對迫使光學攝影模組也必須達至微型 化之要求，則使得快門裝置整體體積也必須達至微型化及 薄型化的限制要求，故如何設計出一可達至微、薄型化之 快門裝置及其作動時能符合需求廠商之標準，即係相關研 究人員及製造廠商所追求之目標及課題。 【發明内容】 參 本發明之目的，係提出一種有利於達成微、薄型化的 目的之快門裝置。 依據本發明:之特色，提出一種快門裝置，包括：一底 座，其具有之中央處開設有一第一光孔；二電磁閥，其各 包含有一磁芯件、一線圈組及一磁性元件，該線圈組係與 該磁芯件組設’该磁芯件係具有一末端部’该磁性元件係 可轉動的設置於該底座，該二電磁閥之磁芯件及線圈組係 設於該底座上且係軸對稱的設置於該底座之第一光孔外 • 圍處，每一電磁閥之磁芯件的其中一末端部對應於該電磁 閥之磁性元件，每一電磁閥的磁芯件之另一末端部對應於 另一該電磁閥之磁性元件；二葉片，其係與相對應之電磁 閥的磁性元件相結合，且各具有旋轉自由度可於一第一及 第二移動位置間移動以開閉供光線通過的第一光孔；以及 一蓋板，其係結合於該底座’該蓋板開設有一對應於該底 座之第一光孔的第二光孔，每一葉片係位於該底座及該蓋 板間；其中，該二電磁閥之磁芯件及線圈組各用以產生一 電磁場，該二電磁場與該二電磁閥之磁性元件的磁力相互 6 1336421 作用，進而共同產生二電磁推力，該二電磁推力共同使該 二電磁閥之磁性元件轉動，使該二葉片可於該第一及第二 移動位置間同時移動以開閉供光線通過的第一光孔。 本發明具有之效益：兩磁芯件係以軸對稱的設置於底 座上且位於第一光孔外圍處，係有利於達成縮小快門裝置 整體之體積，從而達至微型化及薄型化的目的。 再者，本發明兩電磁閥必須同時通電後，才可令兩葉 片同時作動，亦即僅一電磁閥通電時，也無法令所屬之葉 片產生作動，以避免因電磁閥單獨通電後，使葉片各別作 動，而喪失原先預期提供曝光的目的。 此外，上述兩磁芯件可係為一對外型相對稱之結構 件，當兩電磁閥通電後即可產生均等一致之電磁推力，令 兩葉片作動時的動作能達同步性，亦即避免有一快一慢之 情形，從而影響曝光之時間性。 為了能更進一步瞭解本發明為達成既定目的所採取 之技術、方法及功效，請參閱以下有關本發明之詳細說明 與附圖，相信本發明之目的、特徵與特點’當可由此得一 深入且具體之瞭解，然而所附圖式僅提供參考與說明用， 並非用來對本發明加以限制者。 【實施方式】 請參閱第一圖至第四圖所示，本發明係提出一種快門 裝置，其係可供設置於一掌上型行動裝置或攜帶型電腦裝 置所配備之光學攝影模組中，該快門裝置包括有一底座 1、二電磁閥2a、2b、二葉片3及一蓋板4。 7 底座1係為-四方型體，其具有之中央處係開設有一 第一光孔1 1，底座i相對的兩側端部係凹設有二凹穴丄 2，而形成每一凹穴1 2之底壁係突伸有一樞柱i 3 ; 另，底座1之頂端面係設有多數個固定柱工4，並且第— =11外圍處係可凹設有二置設槽工5，其係斜對角的 軸對稱形成於底座1。 兩電磁閥2 a、2b係各包含有一磁芯件2工a ;:線圈組2 2 a、2 2 b及一磁性元件2 3 a、2 i圈，，且2 2 a、2 2 b係捲繞地組設於磁芯件2 1 =^ 1 bJl ’而磁芯件2 1 a、2 1 b皆具有二末端部 3 2 1 1 b，且其係為一軛鐵，較佳地，兩電磁 =二，之磁芯件21a、2lb乃係為一對外型相 十稱之、，Ό構件’在本發明中，兩磁芯件2工a、2 U係 ，呈一 L型體。兩電磁閥2 a、2 b之磁性元件2 3 a '、、 3 b係為-王圓柱體的磁石，其各開設有—枢孔2 3 1 =、2 3 1b，當然兩磁性元件2 3 a、2 3b也可係為 其它呈圓柱體之具磁性材質件。 立兩葉片3係為外型相對稱的片體，各包有一呈圓型的 基。卩3 1、一由基部3 1延伸的連接臂3 2及一連接於連 接臂3 2的遮擋部3 3。 蓋板4係為一片狀體，其中央處係開設有第二光孔4 1 ’且蓋板4於第二光孔41外圍處係設有多數個固定孔 4 2及透孔4 3。 另，在本發明中，係可更進一步包括一隔片5，其中 央處係開設有一第三光孔5工。 1336421 兩電磁閥2 a、2 b之磁性元件2 3 a、2 3 b係可 轉動的設置於底座1，乃係容置於底座1相對應之凹穴1 2中，且使樞柱1 3與樞孔23la、231b相樞設， 即可使磁性元件2 3 a、2 3 b轉動的設置於底座1。其 中，兩電磁閥2 a、2 b之磁芯件2 1 a、2 1 b及線圈 組2 2 a、2 2 b係設置在底座1上且係以軸對稱的設置 於底座1之第一光孔1 1外圍處，較佳地，係以斜對角的 軸對稱設置於底座i上，並且容置於底座丄相對應之置設 槽1 5中。 每一電磁閥2 a、2 b之磁芯件2 1 a、2 1 b的其 令末古而部211a、211b對應於所屬該電磁閥2 3 2 b之磁性元件2 3 a、2 3 b，而每一電磁閥2 a、 2 b之磁芯件2 1 a、2 1b的另-末端部2 1 1 a、2 1 1b即奋對應於另一電磁閥2 a、2 b的磁性元件2 3 a、2 3 b，亦即任一磁性元件2 3 a、2 3 b皆對應有 兩磁芯件2 1 a、2 1 b之其中一末端部2 1 1 a、2 1 1 b (如苐五圖所示）。 一兩葉片3係結合於相對應之電磁閥2 a、2 b的磁性 元件2 3 a、2 3 b上’以使兩葉片3與磁性元件2 3 a、2 3 b的旋轉同步，且經由可轉動的磁性元件2 3 =、2 3 b以各具有旋轉自由度可於一第一移動位置及一 第一移動位置間移動供以開/閉供光線通過的第一光孔1 1三在本發明中，兩葉片3之基部3 1可係以黏著方式而 固定在相對應之磁性元件2 3 a、2 3 ，從而使得兩 葉片3之遮播。3 3能在第-移動位置及第二移動位置 9 1336421 間移動而開/閉供光線通·過的第一光孔：：，當然亦可使 用其他結構的設計方式讓磁性元件2 3 a、2 3 5與 3的旋轉同步即可。 ' 蓋板4係結合於底座1上，可經由蓋板4之每一固定 孔4 2與底座1相對應之固定柱丄4相結合，使得蓋板4 固設於底座1上，令每—葉片3係位於蓋板4及底座工 間，且蓋板4之第二光孔41即對應於底座i之第一光孔 • M，而底座1之樞柱1 3末端能伸入蓋板4相對應之透 孔4 3中。其中，底座丄係用以安裝及結合上述說明之各 讀’當然亦可依所需而用以錢其他的結構件及功能 件’在此本發明不加以限制。 上述之隔片5係組設於兩葉片3之間，亦即將兩葉片 3作上、下區隔（如第四圖），而隔月5之第三光孔5工 即對應於底座1之第-光孔11及蓋板4之第二光孔4 1，從而能構成一供影像曝光用之光通路。 • 藉此，本發明進一步說明兩葉月3與兩電磁閥2 a、 2 b間的作動關係，當兩電磁閥2 a、2 b之線圈组^ & a:22b同時通電後，兩線圈組22a、22b即會與 兩磁芯件21 a、2 1 b各用以產生一電磁場，兩電磁場 與兩電磁閥2 a、2 b之磁性元件2 3 a、2 3 b的磁力 相互作用’進而共同產生二電磁推力，兩電磁推力共同使 兩電磁閥2a、2b之磁性元件23 a、23b轉動，從 而帶動兩葉片3 ’使兩葉片3之遮播部3 3能於第一移動 位置及第二移動位置間同時移動剩供光線通過的第— 1336421 進一步地說，請再配合參閱第五圖及第六圖所示，依 據安培右手定則，當兩線圈組2 2 a、2 2 b通電後，正、 負極之直流電壓將使線圈組2 2 a、2 2 b及磁芯件2 1 a、21b產生出n、s極之電磁場，並與磁性元件2 3 a、2 3 b之N、S兩極相互作用下，而產生出電磁推力， 7兩磁性元件2 3 a、2 3 b能作相對轉向的順、逆時針 轉動，因此，僅須經由控制調整施加於線圈組2 2 a、2 φ f b兩端之正、負極直流電壓時，即可令兩葉片3之遮擋 =3 3能於第-移動位置及第二移動位置間移動而開 第光孔11 ,從而能開/閉上述影像曝光用之光通路； 例t，當兩葉片3在第一移動位置時光通路可係為開啟之 狀態(如第五圖），反之，在第二移動位置時光通路即為關 ，之狀態（如第六圖）。其中，上述之隔片5可用以防止兩 葉片3於移動過程中發生互相干擾或者卡死之情形，藉以 防止兩葉片3失去所須的目的；然，隔片5係依所須之需 •求^安裝於兩葉片3之間，而達成所需之目的，當然也; 不女裝隔片5，或者也可使用其他之設計方式而達成與隔 片5同樣的目的，較佳較使用隔片5之方式，因其他: 方式可能造成快門的性能下降。 經由上述之說明，兩磁芯件2工a、2丄b係以 巧設置於底座i上且位於第一光孔i i外圍處，藉以使 仔第-光孔11才能設於底座工之中央處，因此，係有利 於達成縮小快門裝置整體之體積，從而達至微型化及薄型 化的目的，以使光學攝影模組能達至微型化的發展，及掌 上型行動裝置(如行動電話或PDA等）或攜帶型電腦裂置 11 U36421 (如筆記型電腦)達至薄型‘化之趨勢；另，較佳地，底座工 =形成置設槽1 5供兩磁芯件2 i a、2丄b及線圈組 a、22b置設’及凹設有凹穴2 2供兩磁性元件2 a 2 3 b置设，如此更能進一步達成縮小快門裝置整 置之體積。 丹有 个赞听啕m磁閥2 a、2 b必須同時通電後， :令兩葉月3同時作動，亦即僅一電磁閥2 a、21)通 p f無ΐ令所屬之葉片3產生作動，以避免因電磁閥 預期提供曝後使葉片3各別作動’而喪失原先 之έ士；^兩UK 1 3、2 1 W為—對外型相對稱 y構件’當兩電磁闕2 a、2 b通電後即可產生均等一 電兹推力’令兩葉片3作動時的動作能達同步性，亦 P避免有-快一慢之情形，從而影響曝光之時間性。 惟’上述所揭露之圖式、說明，僅為本發明之實施例 已，凡精於此項技藝者當可依據上述之說明作其他種種 之Ϊ良^這些改變㈣於本發明之發日_神及以下界定 之專利範圍中。 【圖式簡單說明】 第一圖為本發明之立體組合圖。 弟一圖為本發明之立體分解圖。 第三圖為本發明之俯視組合圖。 第四圖為第三圖之4 — 4剖視圖。 第五圖為本發明之俯視圖（―），其中移除蓋板及隔片。 第六圖為本發明之俯視圖（二)，其中移除蓋板及隔片。 12 1336421 【主要元件符號說明】· 底座 1 第一光孔 11 柩柱 13 置設槽 15 電磁闕 2 a、2 b 磁怎件 21a、21b 末端部 2 1 1 a、2 線圈組 2 2 a、2 2 b 磁性元件 2 3 a、2 3 枢孔 2 3 1 a、2 3 葉片 3 基部 3 1 遮擋部 3 3 蓋板 4 第二光孔 4 1 透孔 4 3 隔片 5 第三光孔 5 1 凹穴 12 固定柱 14 lib b lb 連接臂 3 2 固定孔 4 2 131336421 IX. Description of the invention: [Technical invention 4 member field j The present invention relates to a shutter device, in particular a palm-type mobile device or a portable computer device 2; a shutter device placed in the group. Nine to the camera model [prior technology] In recent years, mobile phones, PDAs, and other handheld devices such as notebook computers, such as notebook computers, have been equipped with optical cameras and the trend has become widespread and accompanied by consumption. The market needs more power and small size in the market. The pre-text J] φ poor and under the clothing, the optical photography group has faced the dual requirements of higher quality and miniaturization. At present, the optical photography mode used in the upper, mobile device or portable computer device has two common photosensor types, the type/system is CCD (Charge_Coupled Device), and the other is ; CMOSCComplementary Metal-Oxide Semic〇nduct〇r ; ^ Complementary oxidized metal semiconductor). ' Press, the optical photography module will have a shutter device, which is used to solve the problem in the image exposure process, and the actuation principle is roughly as follows, which has a light path arranged in front of CCD or C Μ 0 S for opening. / Closed ^: The shutter blade, and the use of a solenoid valve (or electromagnetic actuator) to force the shutter blade to open or close the movement state. When the solenoid valve is energized in the standby state of the camera view, the electromagnetic action is generated = and the shutter blade is opened/closed to control the light sensor to receive light or not, and thus to control the exposure; for example; : China Mainland Patent Publication No. CN15〇3〇46a reveals a shutter device of this principle. 5 1336421 However, in the current consumer market's pursuit of lightness and shortness, the space for the internal components of handheld mobile devices or portable computer devices has become narrower, and the optical imaging modules have to be miniaturized. The requirement is that the overall size of the shutter device must also meet the requirements of miniaturization and thinning. Therefore, how to design a shutter device that can reach a micro-thinness and a thinner shape can meet the requirements of the manufacturer. The goals and issues pursued by relevant researchers and manufacturers. SUMMARY OF THE INVENTION In order to achieve the object of the present invention, a shutter device that is advantageous for achieving micro and thinning is proposed. According to the invention, a shutter device is provided, comprising: a base having a first optical hole at a central portion thereof; and two electromagnetic valves each including a magnetic core member, a coil assembly and a magnetic component, The coil assembly and the magnetic core member assembly 'the magnetic core member has a distal end portion'. The magnetic component is rotatably disposed on the base, and the magnetic core member and the coil assembly of the two electromagnetic valves are disposed on the base And being axially symmetrically disposed outside the first optical hole of the base, one end portion of the magnetic core member of each electromagnetic valve corresponds to the magnetic component of the electromagnetic valve, and the magnetic core member of each electromagnetic valve The other end portion corresponds to the magnetic element of the other solenoid valve; the two blades are combined with the magnetic elements of the corresponding solenoid valves, and each has a rotational freedom to move between a first and second moving positions a first light hole for opening and closing the light supply; and a cover plate coupled to the base, the cover plate defines a second light hole corresponding to the first light hole of the base, and each blade is located on the base And the cover; wherein The magnetic core member and the coil group of the two electromagnetic valves are respectively used to generate an electromagnetic field, and the two electromagnetic fields interact with the magnetic force of the magnetic components of the two electromagnetic valves to generate two electromagnetic thrusts, and the two electromagnetic thrusts jointly make the The magnetic elements of the two solenoid valves are rotated such that the two blades are simultaneously movable between the first and second moving positions to open and close the first light holes through which the light passes. The invention has the advantages that the two magnetic core members are axially symmetrically disposed on the bottom seat and located at the periphery of the first optical hole, which is advantageous for achieving the reduction of the overall volume of the shutter device, thereby achieving miniaturization and thinning. Furthermore, the two solenoid valves of the present invention must be energized at the same time to enable the two blades to be actuated simultaneously, that is, when only one solenoid valve is energized, the associated blades cannot be actuated to avoid the blades being driven by the solenoid valves alone. Acting individually, and losing the original purpose of providing exposure. In addition, the two magnetic core members may be a structural member of the external type, and when the two electromagnetic valves are energized, an equal electromagnetic thrust can be generated, so that the action of the two blades can be synchronized, that is, one is avoided. A slower and slower situation, thus affecting the timeliness of exposure. In order to further understand the technology, method and function of the present invention in order to achieve the intended purpose, reference should be made to the detailed description of the invention and the accompanying drawings. The detailed description is to be understood as illustrative and not restrictive. [Embodiment] Referring to the first to fourth figures, the present invention provides a shutter device that can be disposed in an optical camera module equipped with a palm-type mobile device or a portable computer device. The shutter device comprises a base 1, two solenoid valves 2a, 2b, two blades 3 and a cover plate 4. 7 The base 1 is a square-shaped body, and has a first optical hole 1 at a central portion thereof, and two opposite end portions of the base i are recessed with two recessed holes 2, and each recess 1 is formed. The bottom wall of the base 2 protrudes from a pivot column i 3; in addition, the top surface of the base 1 is provided with a plurality of fixed column workers 4, and the outer portion of the first = 11 is recessed with two slots 5, An obliquely diagonal axis is formed symmetrically on the base 1. The two solenoid valves 2a, 2b each include a core member 2; a coil group 2 2 a, 2 2 b and a magnetic element 2 3 a, 2 i circle, and 2 2 a, 2 2 b The winding members are disposed on the core member 2 1 =^ 1 bJl ' and the core members 2 1 a, 2 1 b have the two end portions 3 2 1 1 b, and are a yoke, preferably, Two electromagnetic=two, the magnetic core pieces 21a, 2lb are a pair of external phase, the Ό member 'in the present invention, the two magnetic core pieces 2, a 2 U system, an L-shaped body. The magnetic elements 2 3 a ', 3 b of the two solenoid valves 2 a, 2 b are magnets of a king cylinder, each of which is provided with a pivot hole 2 3 1 =, 2 3 1b, of course, two magnetic elements 2 3 a, 2 3b can also be other magnetic materials in the form of a cylinder. The two blades 3 are symmetrical bodies of the outer shape, each of which has a circular base.卩3 1. A connecting arm 3 2 extending from the base 3 1 and a blocking portion 3 3 connected to the connecting arm 32. The cover plate 4 is a one-piece body having a second optical hole 4 1 ' at the center thereof, and the cover plate 4 is provided with a plurality of fixing holes 4 2 and through holes 43 at the periphery of the second optical hole 41. Further, in the present invention, it is possible to further include a spacer 5 in which a third optical aperture is formed in the center. 1336421 Two magnetic valves 2 a, 2 b of magnetic elements 2 3 a, 2 3 b are rotatably arranged on the base 1, which is placed in the corresponding pocket 1 2 of the base 1, and the pivot 1 3 The pivot holes 23a and 231b are pivoted to the base 1 so that the magnetic elements 2 3 a and 2 3 b are rotated. The magnetic core members 2 1 a, 2 1 b and the coil sets 2 2 a, 2 2 b of the two solenoid valves 2 a, 2 b are disposed on the base 1 and are firstly disposed on the base 1 in an axisymmetric manner. The periphery of the aperture 1 1 is preferably disposed on the base i in an obliquely diagonal axis and is received in the corresponding slot 15 of the base. The magnetic core members 2 1 a, 2 1 b of each of the solenoid valves 2 a, 2 b have an end portion 211a, 211b corresponding to the magnetic elements 2 3 a, 2 3 b of the solenoid valve 2 3 2 b And the other end portions 2 1 1 a, 2 1 1b of the core members 2 1 a, 2 1b of each of the solenoid valves 2 a, 2 b are magnetic elements corresponding to the other solenoid valves 2 a, 2 b 2 3 a, 2 3 b, that is, any of the magnetic elements 2 3 a, 2 3 b corresponds to one of the end portions 2 1 1 a, 2 1 1 b of the two core members 2 1 a, 2 1 b ( As shown in Figure 5). One or two blades 3 are coupled to the magnetic elements 2 3 a, 2 3 b of the corresponding solenoid valves 2 a, 2 b to synchronize the rotation of the two blades 3 with the magnetic elements 2 3 a, 2 3 b and via The rotatable magnetic elements 2 3 , 2 3 b are respectively movable with a rotational degree of freedom between a first moving position and a first moving position for opening/closing the first light hole for passing light 1 1 In the present invention, the base portions 31 of the two blades 3 can be fixed to the corresponding magnetic members 2 3 a, 2 3 in an adhesive manner, so that the two blades 3 are shielded. 3 3 can move between the first moving position and the second moving position 9 1336421 to open/close the first light hole for the light to pass through::, of course, other structural design can also be used to make the magnetic element 2 3 a, 2 3 5 and 3 rotation synchronization can be. The cover plate 4 is coupled to the base 1 and can be combined with the fixing post 4 corresponding to the base 1 via each fixing hole 42 of the cover plate 4, so that the cover plate 4 is fixed on the base 1 so that each— The blade 3 is located in the cover plate 4 and the base work chamber, and the second optical hole 41 of the cover plate 4 corresponds to the first optical hole M of the base i, and the end of the pivot post 13 of the base 1 can protrude into the cover plate 4 Corresponding to the through hole 4 3 . Wherein, the pedestal is used to mount and combine the various readings of the above description. Of course, other structural members and functional components may be used as needed. The invention is not limited thereto. The above-mentioned spacers 5 are arranged between the two blades 3, that is, the two blades 3 are separated by upper and lower parts (as shown in the fourth figure), and the third optical hole 5 of the next month corresponds to the first of the bases 1. The light hole 11 and the second light hole 4 1 of the cover 4 can constitute a light path for image exposure. • In this way, the present invention further illustrates the actuation relationship between the two-leaf month 3 and the two solenoid valves 2 a, 2 b. When the coil sets of the two solenoid valves 2 a, 2 b are simultaneously energized, the two coil sets 22a, 22b will be used with two magnetic core members 21 a, 2 1 b to generate an electromagnetic field, and the two electromagnetic fields interact with the magnetic forces of the magnetic elements 2 3 a, 2 3 b of the two electromagnetic valves 2 a, 2 b. Cooperating to generate two electromagnetic thrusts, the two electromagnetic thrusts jointly rotate the magnetic elements 23a, 23b of the two electromagnetic valves 2a, 2b, thereby driving the two blades 3' so that the shielding portions 3 3 of the two blades 3 can be in the first moving position and Secondly, moving the remaining light between the moving positions simultaneously - 1336421 Further, please refer to the fifth and sixth figures, according to the right-hand rule of Ampere, when the two coil sets are energized 2 2 a, 2 2 b The positive and negative DC voltages will cause the coil sets 2 2 a, 2 2 b and the core members 2 1 a, 21b to generate an electromagnetic field of n and s poles, and with the magnetic elements 2 3 a, 2 3 b N, S two poles interact to produce electromagnetic thrust, 7 two magnetic elements 2 3 a, 2 3 b can be used for relative steering, reverse Rotating, therefore, only by adjusting the positive and negative DC voltages applied to the coil sets 2 2 a, 2 φ fb via the control, the occlusion of the two blades 3 can be made at the first-moving position and the second The light path 11 is moved between the moving positions to open/close the light path for the image exposure; for example, when the two blades 3 are in the first moving position, the light path can be turned on (as shown in the fifth figure). Conversely, in the second moving position, the light path is off (as in the sixth figure). Wherein, the above-mentioned spacer 5 can be used to prevent the two blades 3 from interfering with each other or being stuck during the movement, thereby preventing the two blades 3 from losing the required purpose; however, the spacer 5 is required according to the needs ^Installed between the two blades 3, and for the desired purpose, of course; not the female spacer 5, or other design methods can be used to achieve the same purpose as the spacer 5, preferably using a spacer 5 ways, due to other: The way may cause the performance of the shutter to decline. Through the above description, the two magnetic core members 2, 2, b are arranged on the base i and located at the periphery of the first optical hole ii, so that the abutting optical aperture 11 can be placed at the center of the base. Therefore, it is beneficial to achieve the goal of reducing the overall size of the shutter device, thereby achieving miniaturization and thinning, so that the optical photography module can achieve miniaturization, and handheld mobile devices (such as mobile phones or PDAs). Etc.) or carrying a computer to split 11 U36421 (such as a notebook computer) to achieve a thin trend; another, preferably, the base work = forming a slot 1 5 for two core pieces 2 ia, 2 丄 b And the coil sets a, 22b are provided with 'and recessed holes 2 2 for the two magnetic elements 2 a 2 3 b to be placed, so that the volume of the shutter device can be further reduced. Dan has a praise 啕m magnetic valve 2 a, 2 b must be energized at the same time, so that the two leaves of the month 3 at the same time, that is, only one solenoid valve 2 a, 21) through pf innocent to make the blade 3 to act, To avoid the loss of the original gentleman because the solenoid valve is expected to provide the blade 3 to operate separately after exposure; ^ two UK 1 3, 2 1 W is - the external type is called the y component 'when the two electromagnetic 阙 2 a, 2 b After the power is turned on, the equivalent electric thrust can be generated to make the action of the two blades 3 actuate synchronously, and the P can avoid the situation of being fast-slow, thereby affecting the timeliness of exposure. However, the drawings and descriptions disclosed above are only examples of the present invention, and those skilled in the art can make other various kinds according to the above description. These changes (4) are issued on the day of the present invention. God and the scope of patents defined below. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a three-dimensional combination diagram of the present invention. A figure of the younger is an exploded perspective view of the present invention. The third figure is a top view combination view of the present invention. The fourth picture is a cross-sectional view of 4 - 4 of the third figure. The fifth figure is a top view (-) of the present invention in which the cover and the spacer are removed. Figure 6 is a plan view (ii) of the present invention in which the cover and the spacer are removed. 12 1336421 [Description of main components] · Base 1 First optical hole 11 柩 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 2 2 b Magnetic element 2 3 a, 2 3 Pivot hole 2 3 1 a, 2 3 Blade 3 Base 3 1 Blocking part 3 3 Cover plate 4 Second light hole 4 1 Through hole 4 3 Spacer 5 Third light hole 5 1 pocket 12 fixing post 14 lib b lb connecting arm 3 2 fixing hole 4 2 13