1345149 九、發明說明： 【發明所屬之技術領域】 一種自發 本發明是有關於一種外極式風扇，特別是指 電的外極式風扇。 θ 【先前技術】 參閱圖1、2,現有外極式散熱風扇i包含有—殼座u 、一扇輪12，四個間隔設置於該殼座u上 設置於該殼座U上的電路板15。 極检&及-1345149 IX. Description of the invention: [Technical field to which the invention pertains] A spontaneous invention The present invention relates to an external pole fan, and more particularly to an external external pole fan. θ [Prior Art] Referring to Figures 1 and 2, the conventional external-pole cooling fan i includes a housing u, a fan 12, and four circuit boards disposed on the housing U on the housing U. 15. Extreme inspection & and -
該扇輪12具有一樞設於該殼座u上之輪轂14、多數 片設置在該糾14外緣之純16,及1設在所述扇葉 16外緣的錢磁崎17，其巾，所述極柱13位在該扇輪 12之感應磁鐵環17外側並與該電路板15形成電連接。當 所祕柱13藉由該電路板15通電導磁後，即可與該感應 磁鐵環17相互感應激磁以啟動該扇輪12旋轉。 現有外極式散熱風扇丨是將電能轉換為驅動該扇輪12 轉動的動能，達到驅風散熱的功效，若能再將該扇輪12轉 動的動能加以轉換成為電能，用以供應其他元件使用不 但可以充分利用電能，更可以有效結省電能的消耗。 但疋’由於現有外極式散熱風扇1具有輕、薄的特色 ’造成將現有外極式散熱風扇1之扇輪12的動能加以轉換 成為電能上的困難，所以，在現有外極式散熱風扇1問世 至今’市面上仍未有利用現有外極式散熱風扇1產生電能 之裝置。 【發明内容】 5 因此，本發明夕Β Μ 風扇。 、，即在提供一種自發電的外極式 於是’本發明自發雷 、-扇輪單元、—驅，4風扇是包含—框架單元 勖早疋，及一發電單元。 該框架單元包括― ，— I* ^ ^ ^ ^ _座及—凸設於該底座上的中心 釉該扇輪早兀包括—柩执於兮 ,, 樞叹於該中心軸上的輪轂、多數片 葉外周緣的第一磁鐵環。_的扇葉’及-— 、θ驅動单几包括—固設於該底座上的電路板，及一電 連接該電路板的磁極桎 „ _ ^ 忑發電早兀包括一設置於該扇輪 早^ •部的第：磁鐵環、-與該第二磁鐵環對應而固設於 該底座土的基板、多數個環繞佈設於該基板上的感應線圈 ，及一蓋設於所述感應線圈上方的積磁片。 該磁極柱通電後產生交變磁場，與該第一磁鐵環的磁 力相斥而驅動該扇輪單元轉動，同時帶動設置於該扇輪單 70底部的第二磁鐵環相對於所述感應線圈轉動，使所述感 應線圈與該第二磁鐵環間產生磁性的交互變化而生成電流 本發明之功效在於將該第二磁鐵環設置於該扇輪單元 底部’並將與該第二磁鐵環對應之基板設置於該框架單元 的底座上’使該扇輪單元轉動時，帶動該第二磁鐵環相對 該基板上的所述感應線圈轉動，使所述感應線圈因與該第 二磁鐵環間產生磁性的交互變化而達成生成電流的功效。 【實施方式】 1345149 有關本發明之前述及其他技術内容、特點與功效，在 乂下配口參考圖式之一個較佳實施例的詳細說明中，將可 清楚的呈現。 >閱圖3 4，本發明自發電的外極式風扇2之較佳實 施例包含-框架單元21、—扇輪單元22、—驅動單元Μ、 一發電單元24 ’及二導線25。 玄框架單21包括一底座211、一凸設於該底座2ιι 上的中心轴212 ’及—蓋設於該底座211上的殼蓋213。該 扇輪單元22包括一樞設於該中心軸m上的輪轂22ι、多 數片由η亥輪毅221外周緣間隔向外延伸的扇葉222，及一環 設於所述扇葉222外周緣的第一磁鐵環223。 該驅動單兀23包括一固設於該底座211上的電路板 231，及一電連接該電路板231的磁極柱232。該發電單元 24包括一設置於該扇輪單元22所述扇葉222之底部的第二 磁鐵環241、一與該第二磁鐵環241對應而固設於該底座 211上的基板242、多數個環繞佈設於該基板242上的感應 線圈243，及一蓋設於所述感應線圈243上方的積磁片244 八中所述感應線圈243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 多線圈匝數（其線圈阻的外觀上是如指紋形式的同心圓態 樣，各個線圈匝又以同心圓方式環繞著該基板242中心排 列）。 於本較佳實施例中，該第二磁鐵環241是設置於所述 扇葉222的底部且可與所述感應線圈243互動而產生磁性 7 1345149 ^互變化’當Μ第二磁_ 241也可^設置於該扇輪 單元22的輪轂221底部，只要可以與環繞佈設於該基板 242上的感應線目243互動而產生磁性交互變化即可達成相 同之功效。該二導線25分別電連接㈣應的感應線圈243 與一電子元件3。 當該電路板231經由外界電源通電運作後，便可令該 磁極柱232 f電產生交變磁場，而與該第一磁鐵環的 磁力相斥以驅使該輪轂221、所述扇葉222、與該發電單元The fan wheel 12 has a hub 14 pivoted on the housing seat u, a plurality of pieces 16 disposed on the outer edge of the correction 14 , and 1 a magnetic osaki 17 disposed on the outer edge of the blade 16 . The pole 13 is located outside the induction magnet ring 17 of the fan wheel 12 and is electrically connected to the circuit board 15. When the column 13 is electrically guided by the circuit board 15, the induction magnet ring 17 can be mutually excited to activate the rotation of the fan wheel 12. The existing external-pole cooling fan 丨 converts electric energy into kinetic energy for driving the rotation of the fan wheel 12, thereby achieving the effect of dissipating heat and dissipating heat, and if the kinetic energy of the rotation of the fan wheel 12 can be converted into electric energy, for supplying other components. Not only can you make full use of electric energy, but it can also effectively save energy consumption. However, due to the fact that the existing external-pole cooling fan 1 has a light and thin characteristic, it is difficult to convert the kinetic energy of the fan wheel 12 of the existing external-pole cooling fan 1 into electric energy, so that the existing external-pole cooling fan 1 Since its inception, there has not been a device for generating electric energy using the existing external-pole cooling fan 1 on the market. SUMMARY OF THE INVENTION 5 Therefore, the present invention is a fan. That is, an external pole type for self-generating is provided. Thus, the present invention has a self-generated lightning, a fan wheel unit, a drive, a 4 fan, a frame unit, and a power generation unit. The frame unit includes a ", - I * ^ ^ ^ ^ _ seat and a central glaze protruding from the base. The fan wheel includes a wheel, a hub that is sighed on the central axis, and a majority The first magnet ring on the outer circumference of the leaf. The fan blade 'and--, the θ drive unit includes a circuit board fixed on the base, and a magnetic pole electrically connected to the circuit board 桎 _ _ ^ 忑 power generation early includes a setting on the fan wheel ^: a portion of the magnet ring, a substrate fixed to the base soil corresponding to the second magnet ring, a plurality of induction coils disposed around the substrate, and a cover disposed above the induction coil The magnetic pole generates an alternating magnetic field, and the magnetic field of the first magnet ring repels the magnetic force of the first magnet ring to drive the fan unit to rotate, and simultaneously drives the second magnet ring disposed at the bottom of the fan wheel 70 relative to the Rotating the induction coil to cause a magnetic interaction between the induction coil and the second magnet ring to generate a current. The effect of the invention is that the second magnet ring is disposed at the bottom of the fan unit and will be associated with the second a substrate corresponding to the magnet ring is disposed on the base of the frame unit. When the fan wheel unit rotates, the second magnet ring is rotated relative to the induction coil on the substrate, so that the induction coil is connected to the second magnet. Ring generation Sexual interaction changes to achieve the effect of generating current. [Embodiment] 1345149 In relation to the foregoing and other technical contents, features and effects of the present invention, in the detailed description of a preferred embodiment of the underarm matching reference pattern, The preferred embodiment of the self-generating external pole fan 2 of the present invention comprises a frame unit 21, a fan wheel unit 22, a drive unit, a power generation unit 24', and The second frame 25 includes a base 211, a central shaft 212' protruding from the base 2, and a cover 213 covering the base 211. The fan unit 22 includes a pivoting The hub 221 on the central axis m, the plurality of blades 222 extending outward from the outer periphery of the yoke wheel 221, and a first magnet ring 223 disposed on the outer periphery of the blade 222. The driving unit The circuit board 231 includes a circuit board 231 fixed to the base 211, and a magnetic pole 232 electrically connected to the circuit board 231. The power generating unit 24 includes a first portion disposed at the bottom of the fan blade 222 of the fan wheel unit 22. Two magnet rings 241, one and the second magnet ring 241 The substrate 242 is fixed on the base 211, the plurality of induction coils 243 disposed on the substrate 242, and the magnetic coil 244 disposed above the induction coil 243. The two metal wires are continuously wound and arranged in opposite directions to each other, and each metal wire can constitute a plurality of coil turns (the appearance of the coil resistance is a concentric circle like a fingerprint form, and each coil turns The concentric circle is arranged around the center of the substrate 242. In the preferred embodiment, the second magnet ring 241 is disposed at the bottom of the blade 222 and can interact with the induction coil 243 to generate magnetic 7 1345149 ^ Mutual change 'When the second magnetic _ 241 can also be disposed at the bottom of the hub 221 of the fan wheel unit 22, as long as it can interact with the sensing line 243 disposed on the substrate 242 to generate a magnetic interaction change. The same effect. The two wires 25 are electrically connected to the (four) induction coil 243 and an electronic component 3, respectively. When the circuit board 231 is energized by the external power source, the magnetic pole 232f can be electrically generated to generate an alternating magnetic field, and the magnetic force of the first magnet ring is repelled to drive the hub 221, the blade 222, and Power generation unit
Μ的第二磁鐵環241相對於該框架單元21的底座2ΐι產生 轉動。造成該發電單元24的第二磁鐵環241相對於固定不 動的所述感應線圈243與該積磁片244持續旋轉，而使所 述感應線目243產生感應電動勢生成電流，經由該二導線 25將電流傳導至該電子元件3上，使該電子元件3獲得所 需的電能而運作。The second magnet ring 241 of the crucible is rotated relative to the base 2 of the frame unit 21. The second magnet ring 241 of the power generating unit 24 is continuously rotated relative to the fixed induction coil 243 and the magnetic sheet 244, so that the sensing line 243 generates an induced electromotive force generating current via the two wires 25 Current is conducted to the electronic component 3, causing the electronic component 3 to operate with the required electrical energy.
綜上所述，本發明之自發電的外極式風扇2，利用將該 -磁鐵環24丨設置於該扇輪單元22中所述扇葉222的底 ::並將與該第二磁鐵環241對應之基板⑽設置於該框 f的底座叫上，使該扇輪單元22轉動時，帶動該 =-磁鐵環24!相對該基板242上的所述感應線圈⑷轉 ，所述感應線圈243因與該第二磁鐵環241間產生磁 至^互變化而生成電流，再藉由該二導線h將電流傳導 作了所Γ::』上，使該電子元件3獲得所需的電能而運 ’僅驅動本發明之自發電的外極式風扇 電此’即可同時驅動本發明之自發電的外極式風扇2及該 8 U4M.4y 電子元件In summary, the self-generating external pole fan 2 of the present invention uses the magnet ring 24丨 to be disposed at the bottom of the fan blade 222 in the fan wheel unit 22: and will be coupled to the second magnet ring The substrate (10) corresponding to 241 is disposed on the base of the frame f, and when the fan unit 22 is rotated, the =-magnet ring 24 is rotated, and the induction coil (4) on the substrate 242 is rotated. The induction coil 243 A current is generated by the magnetic resonance between the second magnet ring 241, and the current is conducted by the two wires h, so that the electronic component 3 obtains the required electric energy. 'Only driving the self-generating external pole fan of the present invention to electrically drive the self-generating external pole fan 2 of the present invention and the 8 U4M.4y electronic component
並有效節省電能的消耗， 故確貫能達成本發明之目的。 摩以上所述者，僅為本發明之較佳實施例而The utility model can effectively save the consumption of electric energy, so that the object of the invention can be achieved. The above is only the preferred embodiment of the present invention.
，當不 屬本發明專利涵蓋之範圍内。 即大凡依本發明申請專利 的等效變化與修飾，皆仍 【圖式簡單說明】 圖1是一立體分解圖，說明現有外極式風扇； 圖2是一剖面圖，輔助說明圖丨的現有外極式風扇； 圖3是一立體分解圖，說明本發明自發電的外極式風 扇的較佳實施例；及 圖4是一剖面圖’輔助說明該佳實施例構件間的相對 位置關係。 1345149 【主要元件符號說明】 2 自發電的外極式風 23 驅動單元 扇 231 電路板 21 框架單元 232 磁極柱 211 底座 24 發電單元 212 中心軸 241 第二磁鐵 213 殼蓋 242 基板 22 扇輪單元 243 感應線圈 221 輪轂 244 積磁片 222 扇葉 25 導線 223 第一磁鐵環 3 電子元件 10When not covered by the patent of the invention. That is, the equivalent changes and modifications of the patent application according to the present invention are still [simplified description of the drawings] FIG. 1 is an exploded perspective view showing the existing external pole fan; FIG. 2 is a cross-sectional view, which is an explanatory view of the existing FIG. 3 is an exploded perspective view showing a preferred embodiment of the self-generating external pole fan of the present invention; and FIG. 4 is a cross-sectional view of the relative positional relationship between the components of the preferred embodiment. 1345149 [Description of main component symbols] 2 Self-generating external pole wind 23 Drive unit fan 231 Circuit board 21 Frame unit 232 Magnetic pole 211 Base 24 Power generation unit 212 Central axis 241 Second magnet 213 Shell cover 242 Substrate 22 Fan wheel unit 243 Induction coil 221 Hub 244 Magnetic sheet 222 Blade 25 Conductor 223 First magnet ring 3 Electronic component 10