16069twf.doc/g 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種風扇模組，特別是有關於一種可 攜式電子裝置之風扇模組。 【先前技術】 在現今資訊時代中，人類對於電子產品之依賴性與曰 俱增。為因應現今電子產品之高速度、高效能及不受地域 性之影響，各種可攜式電子裝置也已漸成主流，例如筆記 型電腦（Notebook PC)、行動電話（CeU ph〇ne)、個人數 位助理器（Personal Digital Assistant，PDA)等可攜式電子 裝置均已成為現代人生活及工作中不可或缺之應用工具。 為達到電子裝置輕薄且高效能之目的，電子裝置内之 主動散熱元件也由於電子裝置内之空間減少而設計上也須 微小化，以將電子裝置内部之空氣排至外界，藉以降低 裝置之内部的溫度，避免電子裝置内溫度過高而 損壞其内部電子元件。 °月參考圖1 ’其係為習知之一種風扇模組分解立體 圖，此風扇模組100包含一環殼座11〇、二軸承12〇、一永 久磁鐵組130、一葉片組140及一線圈組150。 環殼座110係包含一出風口 112、一蓋板114及一入 風口 116，此環殼座11〇係由一環牆形成，環牆一側為出 ，口 112 ’另—側為入風口 116。二軸承120分別配設於環 殼座U〇及蓋板114上，且環殼座110及蓋板114係各利 用一支擇桿（未標示）分別固定二軸承12〇於環殼座11〇之 1322657 16069twf.doc/g 中央位置，並使二軸承120間形成在一中心線上之軸向對 應，且二軸承120可分別支持—軸桿132之兩端。 再者，此永久磁鐵130具有數個磁極，其套置於葉片 組140之中央，並組裝上述之軸桿132以形成一轉子了此 車^桿132之兩端可樞接於二軸承12〇上以便進行旋轉。此 葉片組140包含數個徑向延伸之葉片m2。BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a fan module, and more particularly to a fan module for a portable electronic device. [Prior Art] In today's information age, human dependence on electronic products has increased. In order to cope with the high speed, high efficiency and non-locality of today's electronic products, various portable electronic devices have gradually become mainstream, such as notebook PCs, mobile phones (CeU ph〇ne), individuals. Portable electronic devices such as the Personal Digital Assistant (PDA) have become indispensable tools for modern people's lives and work. In order to achieve the purpose of lightness and high efficiency of the electronic device, the active heat dissipating component in the electronic device is also designed to be miniaturized due to the reduced space in the electronic device, so as to discharge the air inside the electronic device to the outside, thereby reducing the interior of the device. The temperature is too high to damage the internal electronic components of the electronic device. FIG. 1 is an exploded perspective view of a conventional fan module. The fan module 100 includes a ring housing 11〇, two bearings 12〇, a permanent magnet group 130, a blade group 140, and a coil assembly 150. . The ring housing 110 includes an air outlet 112, a cover plate 114 and an air inlet 116. The ring housing 11 is formed by a ring wall, one side of the ring wall is out, and the other side of the port 112 is an air inlet 116. . The two bearings 120 are respectively disposed on the ring housing U〇 and the cover plate 114, and the ring housing 110 and the cover plate 114 are respectively fixed by two rods 12 (not labeled) to the ring housing 11〇. The 1322657 16069twf.doc/g central position, and the two bearings 120 form an axial correspondence on a center line, and the two bearings 120 can respectively support the two ends of the shaft 132. Furthermore, the permanent magnet 130 has a plurality of magnetic poles that are sleeved in the center of the blade set 140 and assemble the shaft 132 to form a rotor. The two ends of the lever 132 are pivotally connected to the two bearings 12〇. Up for rotation. This blade set 140 includes a plurality of radially extending blades m2.
此線圈組150具有數個線圈，每—線義繞著一繞設 軸線wi硫設於環殼座11G之環0上，且繞設轴線^ 係垂直於轴桿132。此外，數個線圈等距分布設於一軟性 電路板152上’且各線圈之間形成電性連接，以產生交變 磁場。此線_ 150環設於環殼座m之環牆上形成一定 子，使線圈組15〇之各線圈對應於永久磁鐵組13〇之各磁 極。在永久磁鐵組130及線圈組15〇之間具有The coil assembly 150 has a plurality of coils, each of which is disposed on the ring 0 of the ring housing 11G about a winding axis, and is disposed perpendicular to the shaft 132 about the axis. Further, a plurality of coils are equidistantly distributed on a flexible circuit board 152' and electrical connections are formed between the coils to generate an alternating magnetic field. The line _150 ring is formed on the ring wall of the ring housing m to form a stator, so that the coils of the coil group 15 对应 correspond to the respective poles of the permanent magnet group 13 。. Between the permanent magnet group 130 and the coil group 15〇
氣隙，此徑向氣隙同時形成為—氣流通道，其軸向係= 於入風口 116與出風口 112，此氣流通道可供葉片組^ 之葉片142容設及旋轉其中。 产此徑向氣隙係屬有效磁交鏈之感應氣隙，亦即此徑向 乳隙能允許線圈組15G之交變磁場驅動永久磁鐵組⑽之 ==組Μ""旋轉’並藉由旋轉之葉片組⑽驅動 風里以供散熱。 然:，由於前述習知風扇模組之線圈係繞著一繞設轴 因^配狀環殼座之環牆上，且繞設軸祕垂直於轴桿。 此’以上述配置方式會造成風顧組之厚度增加，如應 用於可攜式電子裝置内部會使得風扇模組所佔有之空間^ 6 1322657 16069twf.doc/g 力σ ° 【發明内容】 有鑑於此’本發明之目的就是在提供一種風扇模組， 其適用於-可攜式電子裝置，㈣產生主純流以提供散 熱用途。 為達本發明之上述目的，本發明提供一種風扇模組， 其包括-殼體、-轉子、—磁鐵及多數個㈣。此殼體具 有至少-人風口及至少—出風口。轉子則沿著—旋轉轴線 樞設於殼體之内，並具有多數個葉片。磁鐵則固設於殼體 之内’亚位於轉子之―側。多數個線_配設於轉子上， 並藉由這些線圈與磁鐵之間的交 當r旋轉時，轉子之_外界=== 设體，並從出風口排出。 依照本發明之-實施例所述，每—線圈係繞著—繞設 ^線硫設_子上，且m祕平行於轉子之 有永久磁場。 肝，、錢之間，且磁鐵係具 及-環狀側壁’而蓋板構成對應於頂壁:二::成-頂壁 其配=====組-樞軸， 樞設於殼體之内。 係藉由穿過樞轴而 依照本發明之-實施例所逃，此風扇模組更可以包括 7 16069twf.doc/i 二，電路板及—對電刷。此線圈電路板配設於轉子上， 個圈係配設於線圈電路板上，而線圈電路板具有多 ‘累。這對電刷係呈圓弧形，翻己設於殼體内並穿過 貫穿孔來接觸這些接點墊，以供應電流至位於轉 一雷4 Ξ電路板之間的線圈。此外，風扇模組更可以包括 二電刷電路板。此電·路板_設於殼體之内，而此對 係連接於$刷電路板之—面。再者，磁鐵係位於轉子 及笔刷電路板之間，且磁鐵係㈣至電刷電路板上。 基於上述，本發明風扇模組之線圈係大致繞著一繞設 T而配設於轉子上，錢錄線係平行麟轉軸線，並 稭線圈與磁鐵之間的交互作用來驅動轉子旋轉。線圈以 此，式配<於轉子上將使風扇模組會有較薄之厚度，而使 配没於可攜式電子裝肋之風扇模組能減少佔有空間。 “為讓本發明之上述和其他目的、特徵和優點能更明顯 易歷下文特舉較佳實施例，並配合所附圖式，作詳細說 明如下。 【實施方式】 卜請參考圖2、圖3及圖4，圖2係為本發明之較佳實 施例之一種風扇模組的立體圖。圖3係為本發明之較佳實 之一種風扇模組的立體分解圖。圖4係為本發明之較 佳貫鼽例之一種風扇模組的上視圖。本發明較佳實施例之 風扇模組200包括一殼體210、一轉子220、一磁鐵230 及夕數個線圈240 (見圖6 )。風扇模組200之驅動原理係 採用電磁驅動方式，因此風扇模組200設有轉子220與定 1322657 16069twf.doc/g 子等電磁驅動元件，用以帶動轉子220上之荦片222而產 生氣流以供應電子元件(未標示)散熱所需某二實= 中，定子即為磁鐵230。 此冗又體210具有至少一入風口 2〇2及至少一出風口 204 ’用以提供氣流進出所需。轉子22〇沿著一旋轉軸線r 樞設於殼體210之内，並具有多數個葉片222。磁鐵23〇 係呈圓盤狀且具有一貫穿孔232,磁鐵230固設於殼體210 之内，並位於轉子220之一側，且產生一永久磁場。多數 個線圈240則配設於轉子220上，並藉由這些線圈24〇與 磁鐵230之間的交互作用來驅動轉子22〇旋轉，當轉子22〇 旋轉時，轉子220之葉片222將外界之氣體從入風口 2〇2 引入至殼體210 ’並從出風口 204排出。 母一線圈240係繞著一繞設軸線W2而配設於轉子22〇 上，且線圈240位於轉子220與磁鐵230之間。其中，繞 設軸線w2係平行於轉子220之旋轉軸線R。轉子22〇與 冗又體210均呈圓盤狀，而磁鐵230呈圓環狀。殼體21〇包 括一盍體212及一蓋板214，而蓋板214覆蓋於蓋體212 之一開放側，其中蓋體212構成一頂壁及一環狀側壁，而 蓋板214構成對應於頂壁之一底面’而入風口 202係位於 環狀側壁，出風口 204則位於頂壁。藉由殼體21〇之入風 口 202與出風口 204的開孔搭配並且配合線圈240與磁鐵 230之間的交互作用而驅動轉子220之葉片222繞著旋轉 軸線R旋轉，造成入風口 202與出風口 204有壓差之現象， 而使得氣流能順利地從入風口 202流入且從出風口 204排 9 1322657 16069twf.doc/g 出。 請參考圖5及圖6，圖5係為本發明之較佳實施例之 一種風扇模組的側視圖。圖6係為圖5之沿著剖面線A_A 之剖面放大圖。此風扇模組200可以包括一拖轴250，其 配設於殼體210内且位於蓋板214之中心位置，而轉子220 係藉由穿過樞軸250而樞設於殼體210内。此風扇模組2〇〇 亦可以包括一線圈電路板260及一對電刷270。此線圈電 路板260配設於轉子22〇上，且這些線圈24〇係配設於線 圈電路板260上，而線圈電路板26〇具有多個接點墊262。 此對電刷270係呈圓弧形，其配設於殼體21〇内並穿過磁 鐵230之貫穿孔232(請參考圖3)來接觸這些接點墊262， 以供應電流至位於轉子22〇及線圈電路板26〇之間的線圈 24=此外，風扇模組200更可以包括一電刷電路板280。 此包刷電路板280係固設於殼體21〇内，而此對電刷27〇 係連接於電刷電路板280之一面。其中，磁鐵23〇係位於 轉:220及電刷電路板280之間，且磁鐵230係固設至電 黾路板280上。此外，此風扇模組係藉由電線 連接$電刷電路板280以供應電流。 上所述，在本發明乃是將線圈大致繞著一繞設抽線 =設於轉子上，且繞設軸線係平行於旋轉軸線，並藉由 心與磁鐵之_交互作絲驅動轉子旋轉。線圈以此方 子上，風扇模組因而會有較薄之厚度，而使配 间/电子裝置内之風扇模組能減少佔有空間。 本發明已以較佳實施例揭露如上，然其並非用以 1322657 16069twf.doc/g 限定本發明，任何㈣此技藝者， 和範圍内’當可作些許之更動與潤飾，發明之精神 範圍當視_之中請專職_ =本發明之保護 【圖式簡單_】 考為準。 ==知之一種風扇模組的立體分解圖。 種風扇模組的立, 圖 圖2係為本發明之較佳實施例之The air gap, which is simultaneously formed as an air flow passage, has an axial direction = at the air inlet 116 and the air outlet 112, and the air flow passage is accommodated and rotated by the vane 142 of the vane group. The radial air gap is an induced air gap of the effective magnetic flux linkage, that is, the radial air gap can allow the alternating magnetic field of the coil group 15G to drive the permanent magnet group (10) == group Μ""rotation" The wind is driven by the rotating blade set (10) for heat dissipation. However, since the coil of the conventional fan module is wound around a ring wall of a winding ring housing, and the axis is perpendicular to the shaft. This configuration will increase the thickness of the windshield group. If it is applied to the inside of the portable electronic device, the space occupied by the fan module will be ^6 1322657 16069twf.doc/g force σ ° [invention] The purpose of the present invention is to provide a fan module suitable for use in a portable electronic device and (4) to generate a main pure flow for providing heat dissipation. In order to achieve the above object of the present invention, the present invention provides a fan module including a housing, a rotor, a magnet, and a plurality of (four). The housing has at least a human vent and at least an air outlet. The rotor is pivoted within the housing along the axis of rotation and has a plurality of blades. The magnet is fixed inside the housing, which is located on the side of the rotor. A plurality of wires _ are disposed on the rotor, and when the interaction between the coils and the magnets is rotated, the rotor _ outside === is provided and discharged from the air outlet. In accordance with an embodiment of the present invention, each coil is wound around a set of sulphur, and m is parallel to the permanent magnetic field of the rotor. Between the liver, the money, and the magnets and the - annular side wall' and the cover plate is formed corresponding to the top wall: two:: the top wall is matched with the ===== group-pivot, pivoted to the shell within. By escaping in accordance with the embodiment of the present invention through the pivot, the fan module may further include 7 16069 twf.doc/i 2, a circuit board and a pair of brushes. The coil circuit board is disposed on the rotor, and the coils are disposed on the coil circuit board, and the coil circuit board has a plurality of 'tired. The pair of brushes are arcuate in shape and are placed in the housing and passed through the through holes to contact the contact pads to supply current to the coils between the rotating circuit boards. In addition, the fan module may further include two brush circuit boards. The electric circuit board _ is disposed inside the casing, and the pair is connected to the surface of the brush circuit board. Furthermore, the magnet is located between the rotor and the brush circuit board, and the magnet is (four) to the brush circuit board. Based on the above, the coil system of the fan module of the present invention is disposed on the rotor substantially around a winding T, and the money recording line is parallel to the ridge rotation axis, and the interaction between the straw coil and the magnet drives the rotation of the rotor. The coil, in this way, will have a thinner thickness on the rotor, and the fan module that is not attached to the portable electronic rib can reduce the space occupied. The above and other objects, features, and advantages of the present invention will become more apparent from the description of the preferred embodiments of the present invention. 3 and FIG. 4 are perspective views of a fan module according to a preferred embodiment of the present invention, and FIG. 3 is an exploded perspective view of a preferred fan module of the present invention. The fan module 200 of the preferred embodiment of the present invention includes a housing 210, a rotor 220, a magnet 230, and a plurality of coils 240 (see FIG. 6). The driving principle of the fan module 200 is an electromagnetic driving method. Therefore, the fan module 200 is provided with an electromagnetic driving component such as a rotor 220 and a fixed 1322657 16069 twf.doc/g for driving the cymbal 222 on the rotor 220 to generate an air flow. The stator is the magnet 230 for supplying heat to the electronic component (not shown). The redundant body 210 has at least one air inlet 2〇2 and at least one air outlet 204' for providing airflow in and out. The rotor 22 is pivoted along an axis of rotation r The housing 210 has a plurality of blades 222. The magnets 23 are disk-shaped and have a common through hole 232. The magnet 230 is fixed in the housing 210 and located on one side of the rotor 220, and generates a permanent A plurality of coils 240 are disposed on the rotor 220, and the rotor 22 is driven to rotate by the interaction between the coils 24 and the magnets 230. When the rotor 22 is rotated, the blades 222 of the rotor 220 are outside. The gas is introduced into the casing 210' from the air inlet 2'2 and discharged from the air outlet 204. The mother coil 240 is disposed on the rotor 22 around a winding axis W2, and the coil 240 is located in the rotor 220 and the magnet. Between 230, the winding axis w2 is parallel to the rotation axis R of the rotor 220. The rotor 22 and the redundant body 210 are both disk-shaped, and the magnet 230 is annular. The casing 21 includes a body. 212 and a cover plate 214, and the cover plate 214 covers one open side of the cover body 212, wherein the cover body 212 constitutes a top wall and an annular side wall, and the cover plate 214 forms a bottom surface corresponding to one of the top walls. The tuyere 202 is located on the annular side wall, and the air outlet 204 is located on the top wall. The air inlet 202 of the body 21 is matched with the opening of the air outlet 204 and cooperates with the interaction between the coil 240 and the magnet 230 to drive the blade 222 of the rotor 220 to rotate about the rotation axis R, so that the air inlet 202 and the air outlet 204 are The phenomenon of pressure difference enables the airflow to smoothly flow from the air inlet 202 and exit from the air outlet 204. 9 and 1322657 16069 twf.doc/g. Please refer to FIG. 5 and FIG. 6, which are preferred embodiments of the present invention. A side view of a fan module. Fig. 6 is an enlarged cross-sectional view taken along line A-A of Fig. 5. The fan module 200 can include a tow shaft 250 disposed in the housing 210 at a central position of the cover plate 214, and the rotor 220 is pivotally disposed within the housing 210 by passing through the pivot 250. The fan module 2A may also include a coil circuit board 260 and a pair of brushes 270. The coil circuit board 260 is disposed on the rotor 22, and the coils 24 are disposed on the coil circuit board 260, and the coil circuit board 26 has a plurality of contact pads 262. The pair of brushes 270 are arc-shaped, and are disposed in the casing 21 and pass through the through holes 232 of the magnet 230 (refer to FIG. 3) to contact the contact pads 262 to supply current to the rotor 22. The coil 24 between the coil circuit board 26 = and the fan module 200 may further include a brush circuit board 280. The brush circuit board 280 is fixed in the casing 21, and the pair of brushes 27 are connected to one side of the brush circuit board 280. The magnet 23 is located between the turn 220 and the brush circuit board 280, and the magnet 230 is fixed to the circuit board 280. In addition, the fan module is connected to the brush circuit board 280 by wires to supply current. As described above, in the present invention, the coil is disposed around the rotor substantially around a winding line, and the winding axis is parallel to the rotation axis, and the rotor is rotated by the interaction of the core and the magnet. In this way, the fan module has a thinner thickness, which allows the fan module in the compartment/electronic device to reduce the space occupied. The present invention has been disclosed above by way of a preferred embodiment, but it is not intended to limit the invention to any of the teachings of the present invention, any of the art, and the scope of the invention. _ _ _ full-time _ = protection of the invention [simple figure _] The test shall prevail. == Know the stereo exploded view of a fan module. Figure 2 is a preferred embodiment of the present invention.
圖 分解圖 係為本發日狀健實施歉—觀扇模組的 立‘ 圖 圖 圖係為本發明之較佳實施例之—種風扇模組的上視 圖5係為本發日月之較佳實施例之-種風扇模組的側視 圖6係為圖5之沿著剖面線A-A之剖面放大圖。 【主要元件符號說明】The exploded view of the present invention is the apology of the hair-care system. The diagram of the fan module is the top view of the fan module of the preferred embodiment of the present invention. The side view 6 of the fan module of the preferred embodiment is an enlarged cross-sectional view along section line AA of FIG. [Main component symbol description]
1〇〇 :習知之微型風扇 U0 :環殼座 112 :出風口 114:蓋板 116 :入風口 120 ·轴承 130 :永久磁鐵組 132 .轴桿 140 :葉片組 1322657 16069twf.doc/g1〇〇 :Micro-fans of the known U0: ring housing 112: air outlet 114: cover 116: air inlet 120 · bearing 130: permanent magnet group 132. shaft 140: blade group 1322657 16069twf.doc/g
142 :葉片 150 :線圈組 152 :軟性電路板 200 :本發明之風扇模組 202 :入風口 204 :出風口 210 :殼體 212 :蓋體 214 :蓋板 220 :轉子 222 :葉片 230 :磁鐵 232 :貫穿孔 240 -線圈 250 :枢軸 260 :線圈電路板 262 :接點墊 270 :電刷 280 :電刷電路板 290 :電線 wl 、w2 :繞設軸線 R ： 旋轉軸線142: blade 150: coil group 152: flexible circuit board 200: fan module 202 of the present invention: air inlet 204: air outlet 210: housing 212: cover body 214: cover plate 220: rotor 222: blade 230: magnet 232 : through hole 240 - coil 250 : pivot 260 : coil circuit board 262 : contact pad 270 : brush 280 : brush circuit board 290 : wire wl , w2 : winding axis R : axis of rotation