1345449 097130233號專利申請案補充、 九、發明說明： 修正後無劃線之說明書替換頁 修正日期：1〇〇年4月〕叫 【發明所屬之技術領域】 種散熱風扇 本發明是有關於一種風扇，特別是指一 【先前技術】 參閱圖卜中華民國專利第M290267號「可發光之散 熱風扇」所揭露之散熱風扇1包含-扇座U、-設於該扇 座11上的軸管12、一套設於該軸管12上的定子16、一樞 設於該軸管U内的轉# 13，及—設置於該轉軸13上㈣ 轂14、-設於該輪較14内的磁鐵環17，及多數個自該輪 轂14向外延伸的扇葉1〇，該輪轂14與該定子“之間設置 有一發電機組15 ’該發電機組15具有-套設卡制於該軸管 12上的固定座151、一環設於該固定座151上的磁框Μ]， 及一與該磁框152相間隔且設置於該輪轂14上的鐵芯153 ，當该定子16通電激磁而與該磁鐵環17產生磁斥力進而 驅動該輪轂14轉動，該鐵芯153即相對該磁框152轉動而 產生感應電流，進而達到發電的效果。 然而’由於該發電機組15是藏置於該輪轂14内側， 並被該固定座151所圍繞包覆，且該固定座151上另設有 與该鐵芯153配合發電之磁框152，因此，該輪轂14内側 必需要具有足夠之空間才可容納整個發電機組15，進而使 該輪轂14之寬度及高度必需增加，導致該散熱風扇丨之整 體體積也必須相對增加，而當該散熱風扇丨是必需應用於 小型機構之領域時，較大之體積勢必會造成其安襞彈性上 降低’或是必需犧牲扇葉10之面積而造成散熱效率降低， 5 09713〇233號專利申請案補充、修正後無劃線之說明書替換頁 修正曰期：10〇年4月〉q技 因此，習知的散熱風扇！在結構設計上仍有可以改善的空 間。 【發明内容】 因此，本發明之目的，即在提供一種可有效縮減散熱 風扇體積厚度的散熱風扇。 於疋，本發明散熱風扇，包含一殼體單元、一設於該 殼體單元内的扇輪單元、一驅動該扇輪單元轉動的驅動單 元，及一設於該扇輪單元内的發電單元。 該殼體單元包括一底座、一自該底座向上延伸的軸管 及至少一設於該抽管内的轴承。 該扇輪單元包括一可轉動地穿伸於該殼體單元之軸承 内的軸知、連接该轴桿的輪毅、一設於該輪轂内的第一 磁鐵環及夕數片自該輪轂周緣向外輻射延伸的扇葉，其 中，該輪轂具有一與該轴桿連接的本體部、一自該本體部 向外延伸的基壁部，及一自該基壁部周緣向下延伸的環壁 部，該第一磁鐵環是環設於該環壁部之内周面，所述扇葉 是設於該環壁部之外周面。 該驅動單元包括—套設於該殼體單元之軸管上的第— 電路板、一環設於該秘管外的定子，及一電連接該第一電 路板且用以偵測該扇輪單元之第一磁鐵環磁性變化的感應 凡件，其中，該定子可由該第一電路板控制作動。 該發電單元包括一套設於該殼體單元之轴管上的第二 磁鐵環、一套設於該輪轂之本體部的第二電路板，及多數 個捲曲地佈設於該第二電路板上且與該第二磁鐵環相間隔 097130233號專利申請案補充、修正後無劃線之說明書替換頁 修正曰期：100年4月〉fjg 的感應線圈，其中，所述感應線圈是採用兩條金屬線以彼 此相反的方向連續捲曲環繞佈設而成，每一條金屬線可以 構成許多線圈匝，各個線圈匝是以同心圓方式分別環繞著 相對應之第二電路板中心排列。 當該驅動單元之定子通電激磁驅動該扇輪單元轉動， 該發電單元之第二電路板亦隨之旋轉，進而使所述感應線 圈受到該第二磁鐵環的磁力感應而產生感應電流。 本發明之功效在於，藉由將所述感應線圈是捲曲地佈 設於該第二電路板上，不僅可與該第二磁鐵環磁力感應而 產生感應電流，更可利用其薄化的設計，避免散熱風扇厚 度的增加’可有效縮減整體體積。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之一個較佳實施例的詳細說明巾，將可 清楚的呈現。 參閱圖2’本發明散熱風扇的較佳實施例，該散熱風扇 2包含-殼體單元3、一設於該殼體單元3内的扇輪單元4 、-可驅動該扇輪單元4轉動的驅動單元5，及—設於該扇 輪單元4内的發電單元6。 該殼體早元3包括一底座, ^低厓31、一自該底座31向上延伸 的軸管32，及兩個設於該軸管32内的軸承μ。 參閱圖2、3 該扇輪單it 4包括—可轉動地穿伸於該 殼體單元3之軸承33内的轴桿 轂42、一設於該輪轂42内的第 u、—連接該軸桿41的輪 一磁鐵環43,及多數片自 09簡233號專利申請_充、修正後關線之說明書替換頁 該輪穀42周緣向外輕射延伸的扇葉44= m包 =一與該轴桿41連接的本體部421、—自該本：421 的基壁部422，及一自該基壁部422周緣向下延伸 二壁部似，該第一磁鐵環43是環設於該環壁部423之 β面，所述扇葉44是設於該環壁部423之外周面。 該驅動單^包括—套設於該殼體單元3之軸管^上 、第一電路板51、—環設於該轴管32外的定子52，及一 設於該第-電路板51並電連接的感應元件Μ，其中，該定 子52可由該第一電路板51控制作動且該定子μ具有多 =環設於該軸管32周圍㈣鋼片521，及多數組纏繞於 鋼片521上的線圈522，而且，該感應元件$ 測該第一磁鐵環43之磁性變化，進而藉由該第—電路板51 Τ變流通於該定子52之線圈522的電流方向，相對改變所 切鋼片52"斤產生的磁場，由於本實施例中之感應元件 為一霍爾Κ：’是所屬技術領域中具有通常知識者所熟知 ’其細部構件與動作即不再多加贅述。 該發電單元6包括-套設於該殼體單元3之軸管η且 位於蚊子52上㈣第二磁鐵環61、—套設於該輪穀42 之本體部42!的第二電路板62，及多數個捲曲地佈設於該 第二電路板62上且與該第二磁鐵環6"目間隔的感應線圈 63 〇 /配合參閱圖4’所述感應線圈63是採用兩條金屬線以 彼此相反的方向連續捲曲環繞佈設而《，每—條金屬線可 从構成許多線圈匝630，各個線圈匝63〇是以同心圓方式分 097130233號專辦請案補充、修正後無舰之說明書替換頁 修正曰期·· 100年4月）⑽ 別環繞著相對應之第：電路板62中心排列而構成外觀上是 如指紋形式的同心圓樣式。 藉由上述之設計，該第-電路板51控制該定子Μ通 電激磁後產生交變磁場，與該第-磁鐵環43磁力相斥而驅 動該扇輪單元4轉動，且該感應元件53 _該第一磁鐵環 43的磁性變化，並將磁場訊號傳遞至㈣—電路板51，相 對應地控制改變該定子52之磁場，用以持續驅動該扇輪單 凡4轉動’並同時帶動套設於該輪穀42之本體部421的第 二電路板62旋轉’使捲曲地環繞佈設於該第二電路板a 上的感應線圈63受到該第二磁鐵環61之磁性的交互變化 ’而產生感應電流。 利用該發電單元6之第二磁鐵環61是套置於該抽管W 上以及將該第_電路板62套設於該輪較42之本體部似 ’使該第二磁鐵環6〗與所述感應線圈63能進行感應發電 ，並配合所述感應線圈63是捲曲地佈設於該第二電路板Μ 上’而使該第二電路板62與感應線圈63的厚度較薄，故 此避免散熱風扇2之厚度增加，可有效縮減整體體積。 歸納上述’本發明散熱風扇2,利用將所述感應線圈 63是捲曲地佈設於該第二電路板62上，不僅可與該第二磁 鐵環61磁力感應而產生感應電流，更可利用其薄化的設計 避免&熱風扇2之厚度的增力σ ’可有效縮減整體體積， 故確實能達到本發明之目的。 准以上所述者’僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範ϋ，即大凡依本發明中請專利 1345449 097130233號專利申請案補充、修正後無劃線之說明書替換頁 修正曰期：100年4月2 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是一剖視圖，說明中華民國專利第M290267號「 可發光之散熱風扇」之態樣； 圖2是一立體分解圖，說明本發明散熱風扇的較佳實 施例； 圖3是一剖面圖，說明該較佳實施例之内部結構；及 圖4是一上視圖，說明該較佳實施例之第二電路板及 感應線圈的態樣。 10 1345449 097130233號專利申請案補充、修正後無劃線之說明書替換頁 修正曰期：100年4月丄ηβ 【主要元件符號說明】 2 ...... —散熱風扇 44····. …·扇葉 ^ ...... ____Μ屈曲留 A C ...... ....ffre ^ 放聪早兀 D •5b勁早兀 31 …·. …·底座 51 …·· …·第一電路板 32·.··. …·軸管 52··.·· •…定子 33…… —軸承 521… …·矽鋼片 4 ...... •…扇輪單元 522… 線圈 41 ·.... —軸才干 53·.... •…感應元件 42···.· •…輪轂 6…… •…發電單元 421… •…本體部 61 ••… •…第二磁鐵環 422… •…基壁部 62·.··. •…第二電路板 423… •…環壁部 63"... •…感應線圈 43…… •…第一磁鐵環 630… •…線圈匝 111345449 097130233 Patent application supplement, IX, invention description: Corrected unlined specification replacement page Revision date: 1 year April] [Technical field of invention] A cooling fan The present invention relates to a fan In particular, the prior art refers to the heat-dissipating fan 1 disclosed in the "light-emitting cooling fan" of the Republic of China Patent No. M290267, which includes a fan seat U, a shaft tube 12 disposed on the fan seat 11, A stator 16 disposed on the shaft tube 12, a turn #13 pivoted in the shaft tube U, and a rotor ring 13 disposed on the shaft 13 (four) hub 14, a magnet ring disposed in the wheel 14 And a plurality of blades 1 extending outward from the hub 14, a hub 156 is disposed between the hub 14 and the stator. The generator set 15 has a sleeve that is sleeved on the axle tube 12. a fixing frame 151, a magnetic frame 设 disposed on the fixing base 151, and a core 153 spaced apart from the magnetic frame 152 and disposed on the hub 14, when the stator 16 is energized and excited 17 generates a magnetic repulsion to drive the hub 14 to rotate, the core 153 is opposite to the The magnetic frame 152 rotates to generate an induced current, thereby achieving the effect of generating electricity. However, since the generator set 15 is hidden inside the hub 14, and surrounded by the fixing base 151, the fixing base 151 is separately provided. There is a magnetic frame 152 that cooperates with the iron core 153 to generate electricity. Therefore, the inside of the hub 14 must have sufficient space to accommodate the entire generator set 15, so that the width and height of the hub 14 must be increased, resulting in the cooling fan. The overall volume must also be relatively increased. When the cooling fan is required to be used in the field of small mechanisms, the larger volume is bound to cause a decrease in the elasticity of the ampoule or the heat dissipation of the blade 10 is required to cause heat dissipation. The efficiency is reduced, the patent application of 5 09713〇233 is supplemented, and the specification of the unlined page after the correction is replaced. The revised period: April 10, 2010> q technology Therefore, the conventional cooling fan can still be improved in structural design. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a heat dissipation fan that can effectively reduce the volumetric thickness of a heat dissipation fan. The fan comprises a casing unit, a fan wheel unit disposed in the casing unit, a driving unit for driving the rotation of the fan wheel unit, and a power generating unit disposed in the fan wheel unit. a base, a shaft tube extending upward from the base, and at least one bearing disposed in the suction tube. The fan wheel unit includes a shaft rotatably extending into a bearing of the housing unit, and the shaft is coupled a wheel, a first magnet ring disposed in the hub, and a blade that radiates outward from the periphery of the hub, wherein the hub has a body portion coupled to the shaft, and a body from the body a base wall portion extending outwardly and a ring wall portion extending downward from a periphery of the base wall portion, wherein the first magnet ring is disposed on an inner circumferential surface of the ring wall portion, and the blade is disposed on the inner peripheral surface of the ring wall portion The outer peripheral surface of the ring wall portion. The driving unit includes a first circuit board sleeved on the shaft tube of the housing unit, a stator disposed outside the secret tube, and an electrical connection between the first circuit board and the fan wheel unit The first magnet ring is magnetically changed by the sensing member, wherein the stator can be controlled by the first circuit board. The power generating unit includes a second magnet ring disposed on the shaft tube of the housing unit, a second circuit board disposed on the body portion of the hub, and a plurality of crimping wires disposed on the second circuit board And the second magnet ring is separated from the second magnet ring 097130233, the patent application is supplemented, and the revised unlined specification replaces the page correction period: 100 years April > fjg induction coil, wherein the induction coil is made of two metals The wires are continuously wound and arranged in opposite directions to each other, and each of the wires may constitute a plurality of coil turns, and each of the coil turns is arranged in a concentric manner around the center of the corresponding second circuit board. When the stator of the driving unit is energized to drive the fan unit to rotate, the second circuit board of the power generating unit also rotates, so that the sensing coil is induced by the magnetic force of the second magnet ring to generate an induced current. The effect of the invention is that, by arranging the induction coil on the second circuit board, the induction current can be generated not only by the magnetic induction of the second magnet ring, but also the thinning design can be avoided. The increase in the thickness of the cooling fan 'effectively reduces the overall volume. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments of the preferred embodiments. Referring to FIG. 2, a preferred embodiment of the heat dissipating fan of the present invention, the heat dissipating fan 2 includes a housing unit 3, a fan wheel unit 4 disposed in the housing unit 3, and a driving unit 4 for driving the fan unit 4 to rotate. The drive unit 5, and the power generation unit 6 provided in the fan wheel unit 4. The housing element 3 includes a base, a low cliff 31, a shaft tube 32 extending upwardly from the base 31, and two bearings μ disposed in the shaft tube 32. Referring to Figures 2 and 3, the fan wheel unit 4 includes a shaft hub 42 rotatably extending into the bearing 33 of the housing unit 3, and a u-connected to the hub 42. The wheel-magnet ring 43 of 41, and the majority of the film from the patent application No. 233, _charged, corrected off-line manual replacement page, the fan blade 42 peripherally flared outwardly extending the blade 44 = m package = one and the The main body portion 421 to which the shaft 41 is connected, the base wall portion 422 from the base portion 421, and the second wall portion extending downward from the periphery of the base wall portion 422, the first magnet ring 43 is ring-shaped on the ring The β surface of the wall portion 423 is provided on the outer circumferential surface of the ring wall portion 423. The driving unit includes a sleeve 52 disposed on the shaft tube of the housing unit 3, a first circuit board 51, a stator 52 disposed outside the shaft tube 32, and a first circuit board 51 disposed thereon. An electrically connected sensing element Μ, wherein the stator 52 is controllable by the first circuit board 51 and the stator μ has a plurality of rings disposed around the shaft tube 32 (four) steel sheets 521, and a plurality of arrays are wound on the steel sheet 521 The coil 522, and the sensing element $ measures the magnetic change of the first magnet ring 43, and the direction of the current flowing through the coil 522 of the stator 52 is changed by the first circuit board 51, and the cut steel piece is relatively changed. 52" The magnetic field generated by the jin, since the sensing element in this embodiment is a Hall Κ: 'It is well known to those of ordinary skill in the art', and its detailed components and actions will not be further described. The power generating unit 6 includes a second circuit board 62 that is sleeved on the shaft tube η of the housing unit 3 and located on the mosquito 52 (four), a second magnet ring 61, and a body portion 42 that is sleeved on the trough 42. And a plurality of inductive coils 63 that are crimped on the second circuit board 62 and are spaced apart from the second magnet ring 6" and are in reference to FIG. 4'. The induction coil 63 is formed by two metal wires to be opposite to each other. The direction of the continuous curling surrounds the layout. "Each - the metal wire can form a plurality of coils 630, and each coil 匝 63 〇 is concentrically divided into 097130233 special request, supplemented, revised shipless manual replacement page correction曰期··100年四月) (10) Do not surround the corresponding: the center of the circuit board 62 to form a concentric pattern in the form of a fingerprint. With the above design, the first circuit board 51 controls the stator to generate an alternating magnetic field after being energized, and magnetically repels the first magnet ring 43 to drive the fan unit 4 to rotate, and the sensing element 53_ The magnetic property of the first magnet ring 43 is changed, and the magnetic field signal is transmitted to the (four)-circuit board 51, correspondingly controlling the magnetic field of the stator 52 to continuously drive the fan wheel to rotate 4' at the same time and simultaneously driving the sleeve The second circuit board 62 of the body portion 421 of the trough 42 rotates 'the induction coil 63 that is crimped around the second circuit board a is subjected to the magnetic interaction change of the second magnet ring 61 to generate an induced current. . The second magnet ring 61 of the power generating unit 6 is sleeved on the suction pipe W and the first circuit board 62 is sleeved on the body portion of the wheel 42 so that the second magnet ring 6 is The induction coil 63 can perform induction power generation, and the induction coil 63 is crimped on the second circuit board ', so that the thickness of the second circuit board 62 and the induction coil 63 is thin, so that the heat dissipation fan is avoided. The thickness of 2 is increased to effectively reduce the overall volume. The above-mentioned 'the heat-dissipating fan 2 of the present invention is disposed on the second circuit board 62 by crimping the induction coil 63, and not only can be induced by the magnetic force of the second magnet ring 61 to generate an induced current, but also can be utilized. The design avoids the increase in the thickness σ' of the thickness of the heat fan 2, which can effectively reduce the overall volume, so that the object of the present invention can be achieved. The above description is only a preferred embodiment of the present invention, and is not intended to limit the implementation of the present invention, that is, the patent application of the patent No. 1345449097130233 is supplemented and corrected without the underline. The specification replaces the page revision period: the simple equivalent changes and modifications made by the scope and the description of the invention are still within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing the state of the Republic of China Patent No. M290267 "Light-emitting fan capable of emitting light"; FIG. 2 is an exploded perspective view showing a preferred embodiment of the heat-dissipating fan of the present invention; 3 is a cross-sectional view showing the internal structure of the preferred embodiment; and FIG. 4 is a top view showing the second circuit board and the induction coil of the preferred embodiment. 10 1345449 097130233 Patent application supplementary, revised no-line instructions replacement page correction period: 100 years April 丄ηβ [main component symbol description] 2 ...... - cooling fan 44····. ...·扇叶^ ...... ____ΜΜ曲留AC ............ffre ^ 放聪早兀D•5b劲早兀31 ...·. ...·Base 51 ...·· ...· First circuit board 32····....·shaft tube 52······... stator 33...-bearing 521...·矽 steel sheet 4...•...fan wheel unit 522... coil 41 ·.... —Axis function 53·.... •...Inductive element 42·····•...Wheel 6...•...Power generation unit 421...•...Main part 61 ••... •...Second magnet ring 422... •... base wall portion 62·.··. •...second circuit board 423... •...ring wall portion 63"...•...inductive coil 43...•...first magnet ring 630...•...coil匝11