201006374 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種單定子外極式散熱風扇，特別是 指一種可自發電之單定子外極式散熱風扇。 【先前技術】 如圖1所示，習知之單定子外極式風扇i包含一殼座 11、一可旋轉地設於該殼座11内的扇輪單元12、一設置於 該设座11上而能控制該扇輪單元12啟動的電路板13，及 一設置於該殼座11上而能驅使該扇輪單元12產生旋轉之定 子14。 每一扇輪單元12具有一輪轂ι21，一與該輪較ι21結 合之轉動軸122、多數輻射狀地間隔設置於該輪轂121周面 上的扇葉123，以及一環設於每一扇葉123外端緣上的磁鐵 環 124。 該定子14具有一體延伸形成的二極柱143，以及一用 以將該二極柱143予以連續纏繞的感應線圈145，且上述定 子14之感應線圈145是電連接於該電路板13。 藉由該定子14之極柱143是以該感應線圈145予以纏 繞’且該定子14之該等極柱143的極面是分別相對應地面 對該扇輪單元12之扇葉丨23外端緣的磁鐵環124，因此當 該電路板13通電後，上述之感應線圈145便會被通電激磁 ’而使該等極柱143皆產生磁性，然後再與該扇輪單元12 之磁鐵環124產生磁性感應互斥，進而驅動該扇輪單元12 產生旋轉。 1 201006374 » 但是’該單定子外極式風扇1除了可利用該扇輪單元 π旋轉時所產生之風麼/流來達到散熱之效果外，並無其他 功能，而在節能意識高澡的今天，在任何會消耗能源的產 品上（如驅動上述該單定子外極式風扇1需要耗費電能），勢 必要使其消耗之能源能夠得到最大的回饋效益，因此，習 知的單定子外極式風扇i在功能性上仍有許多可以改善的 空間。 【發明内容】 因此’本發明之目的，即在提供一種可於運轉時一併 β 同時進行發電的可自發電之單定子外極式散熱風扇。 於是’本發明可自發電之單定子外極式散熱風扇，於 運轉時可產生一電能並傳輸至一外界裝置，該可自發電之 單定子外極式散熱風扇包含：一殼座、一扇輪單元，及一 驅動暨發電單元。 該殼座具有一本體，及一形成於該本體上之樞接件。 該扇輪單元具有一可旋轉地樞接在該本體之樞接件上 的輪轂、複數相間隔地自該輪轂向外延伸之葉片，及一設 G 置於該等葉片之外端緣的永久磁鐵環。 該驅動暨發電單元具有一設置於該本體上的電路板、 一設置於該本體上且與該電路板電連接的第一定子及一 與該第一定子相間隔地設置於該本體上並與該外界裝置電 連接的第二定子，該第一定子在通電激磁後即會產生磁性 推斥力以配合該永久磁鐵環驅動該輪轂及扇葉旋轉，而該 第二定子則是設置於可與該永久磁鐵環互動而產生電動勢 6 201006374 β . i 的位置上’並在該永久磁鐵環轉動時產生電能並傳輸至該 外界裝置。 本發明之功效在於，利用該第二定子設置於可與該永 久磁鐵環互動而產生電動勢的位置上的配置方式，使該扇 輪單元在轉動時，其永久磁鐵環可相配合地提供一轉變之 磁場並與該第二定子之間產生電磁性互動，使該第二定子 產生一股電動勢並形成一股電能，以將該電能輸出至該外 界裝置中加以利用或儲存。 ❹ 【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中，將可 清楚的呈現。 參閱圖3、4,本發明可自發電之單定子外極式散熱風 扇之較佳實施例，於運轉時可產生一電能並傳輸至一外界 裝置100,該可自發電之單定子外極式散熱風扇包含：一殼BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a single stator external pole type cooling fan, and more particularly to a single stator external pole type cooling fan that can self-generate. [Prior Art] As shown in FIG. 1 , a conventional single stator external fan i includes a housing 11 , a fan unit 12 rotatably disposed in the housing 11 , and a fan unit 12 disposed on the housing 11 . A circuit board 13 capable of controlling the activation of the fan wheel unit 12 and a stator 14 disposed on the housing 11 to drive the rotation of the fan wheel unit 12 are provided. Each of the wheel units 12 has a hub ι21, a rotating shaft 122 coupled to the wheel 119, a plurality of blades 123 radially spaced from the circumference of the hub 121, and a ring disposed on each of the blades 123. A magnet ring 124 on the outer edge. The stator 14 has a two-pole column 143 integrally formed, and an induction coil 145 for continuously winding the two-pole column 143, and the induction coil 145 of the stator 14 is electrically connected to the circuit board 13. The poles 143 of the stator 14 are wound by the induction coil 145 and the pole faces of the poles 143 of the stator 14 are respectively corresponding to the outer ends of the blade blades 23 of the fan wheel unit 12 respectively. The magnet ring 124 of the edge, so that when the circuit board 13 is energized, the induction coil 145 is energized and energized to cause the poles 143 to be magnetic, and then generated by the magnet ring 124 of the fan unit 12. The magnetic induction is mutually exclusive, which in turn drives the fan wheel unit 12 to produce rotation. 1 201006374 » But the 'single-stator external pole fan 1 has no other function except the wind/flow generated by the rotation of the fan unit π, and it has a high-energy-conscious shower today. In any product that consumes energy (such as driving the single-stator external pole fan 1 requires power), it is necessary to make the energy consumed to obtain the maximum benefit, so the conventional single stator external pole type Fan i still has a lot of room for improvement in terms of functionality. SUMMARY OF THE INVENTION Therefore, it is an object of the present invention to provide a self-generating single-stator external-pole heat-dissipating fan which can simultaneously generate electric power during operation. Thus, the single-stator external-pole cooling fan capable of self-generating can generate an electric energy and transmit it to an external device during operation. The self-generating single-stator external-pole cooling fan comprises: a housing, a fan Wheel unit, and a drive and power generation unit. The housing has a body and a pivoting member formed on the body. The fan wheel unit has a hub rotatably pivotally coupled to the pivoting member of the body, a plurality of blades extending outwardly from the hub at intervals, and a permanent G disposed at an outer edge of the blades Magnet ring. The driving and power generating unit has a circuit board disposed on the body, a first stator disposed on the body and electrically connected to the circuit board, and a first stator disposed on the body at a distance from the first stator And a second stator electrically connected to the external device, the first stator generates a magnetic repulsive force after energization to cooperate with the permanent magnet ring to drive the hub and the blade rotation, and the second stator is disposed on the second stator It can interact with the permanent magnet ring to generate an electromotive force 6 201006374 β . i at the position 'and generate electric energy when the permanent magnet ring rotates and transmit to the external device. The effect of the present invention is that the second stator is disposed at a position that can interact with the permanent magnet ring to generate an electromotive force, so that the permanent magnet ring can cooperatively provide a transition when the fan wheel unit rotates. The magnetic field and electromagnetic interaction with the second stator causes the second stator to generate an electromotive force and form a piece of electrical energy to output the electrical energy to the external device for utilization or storage. The above and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. Referring to Figures 3 and 4, a preferred embodiment of the self-generating single-stator external-pole heat-dissipating fan of the present invention generates an electric energy during operation and transmits it to an external device 100, the self-generating single-stator external pole type Cooling fan contains: a shell
座2、一扇輪單元3，及一驅動暨發電單元4。 該殼座2具有一本體21、一形成於該本體21上之柩接 件22 ’及-蓋設於該基座上之外框23，該外框^與該本 體21相配合地界定出一容置空間24。 該扇輪單元3是位於該容置空間24内，並具有一可旋 轉地樞接在該本體21之柩接件22上的輪較31、複數相間 隔地自該輪較31向外延伸之葉片32,及—設置於該等葉片 32之外端緣的永久磁鐵環33。該永久磁鐵環33上形成有 相間隔且相反之磁性段，以與該驅動暨發電單元4相配合 7 201006374 產生磁性推斥力以驅動該輪轂31及扇葉32,而該等相間隔 且相反之磁性段的數量及配置方式應為所屬技術領域中具 有通常知識者所熟知的技術，在此即不加以贅述。 該驅動暨發電單元4具有一設置於該本體21上的電路 板41、一設置於該本體21上且與該電路板41電連接的第 一定子42、及一與該第一定子42相間隔地設置於該本體 21上的第二定子43,該第二定子43則是設置於可與該永 久磁鐵環33互動而產生電動勢的位置上，並在該永久磁鐵 環33轉動時產生電能並傳輸至該外界裝置ι〇〇。在本實施 例中，該第一定子42具有一體延伸形成的二第一極柱421 ，以及一將該等第一極柱421予以連續纏繞的第一感應線 圈422，且該第一感應線圈422是電連接於該電路板41， 而該驅動暨發電單元4之第二定子43同樣具有一體延伸形 成的二第二極柱431，以及一將該等第二極柱431予以連續 纏繞的第二感應線圈432，且該第二感應線圈432是電連接 於該外界裝置1〇〇。 在此要注意的是，該等第一、二極柱421、431之極面 疋分別相對應地面對該扇輪單元3之永久磁鐵環33，因此 ，該電路板41控制該第一感應線圈422通電後，即會與該 第一極柱421相配合激磁並產生磁性推斥力，以配合該永 久磁鐵環33驅動該輪轂31及扇葉32旋轉以產生氣流，而 當該永久磁鐵環33因該第一定子42之驅動而旋轉時，極 面同樣是面對該永久磁鐵環33的該第二極柱431，以及纏 繞於該第—極柱431上的第二感應線圈432，即會因為該永 201006374 久磁鐵環33所產生之交變磁場而在該第二感應線圈432中 產生股反電動勢，進而形成一股電流並流入與該第二感 應線圈432電連接的外界裝置丨⑼中，而該外界裝置刚 可為—電能儲存單元，或是LED發光模組等電子裝置，以 接收該第—定子43所產生之電能而進行相對應之儲存或利 用，其形態在此並不設限。a seat 2, a wheel unit 3, and a drive and power generation unit 4. The housing 2 has a body 21, a splicing member 22' formed on the body 21, and an outer frame 23 disposed on the base. The outer frame is matched with the body 21 to define a The accommodation space 24 is provided. The fan unit 3 is located in the accommodating space 24, and has a wheel 31 that is rotatably pivotally connected to the splicing member 22 of the body 21, and extends from the wheel 31 at a plurality of intervals. The vanes 32, and the permanent magnet rings 33 disposed at the outer edges of the vanes 32. The permanent magnet ring 33 is formed with spaced and opposite magnetic segments for cooperating with the drive and power generating unit 4 7 201006374 to generate a magnetic repulsive force to drive the hub 31 and the blade 32, and the phases are spaced apart and opposite The number and arrangement of the magnetic segments should be well known to those of ordinary skill in the art and will not be described herein. The driving and power generating unit 4 has a circuit board 41 disposed on the main body 21, a first stator 42 disposed on the main body 21 and electrically connected to the circuit board 41, and a first stator 42 a second stator 43 disposed on the body 21 at intervals, the second stator 43 is disposed at a position where an electromotive force can be generated by interaction with the permanent magnet ring 33, and generates electric energy when the permanent magnet ring 33 rotates. And transmitted to the external device ι〇〇. In this embodiment, the first stator 42 has two first poles 421 integrally formed, and a first induction coil 422 that continuously winds the first poles 421, and the first induction coil 422 is electrically connected to the circuit board 41, and the second stator 43 of the driving and power generating unit 4 also has two second poles 431 integrally formed, and a second winding of the second poles 431 The second induction coil 432 is electrically connected to the external device 1 . It should be noted that the pole faces of the first and second poles 421 and 431 respectively correspond to the permanent magnet ring 33 of the fan wheel unit 3, and therefore, the circuit board 41 controls the first induction. After the coil 422 is energized, it will cooperate with the first pole 421 to excite and generate a magnetic repulsive force to cooperate with the permanent magnet ring 33 to drive the hub 31 and the blade 32 to rotate to generate airflow, and when the permanent magnet ring 33 is used. When the first stator 42 is rotated by the driving of the first stator 42, the pole face is also the second pole 431 facing the permanent magnet ring 33, and the second induction coil 432 wound on the first pole 431, that is, The counter electromotive force is generated in the second induction coil 432 due to the alternating magnetic field generated by the permanent magnet 0633, thereby forming a current and flowing into the external device (9) electrically connected to the second induction coil 432. The external device can be an electric energy storage unit or an electronic device such as an LED lighting module, and receives the electric energy generated by the first stator 43 for corresponding storage or utilization, and the form is not Set limits.
藉由上述設計，本發明之扇輪單元3被該第一定子42 所驅動而轉動時，即會藉由該永久磁鐵環33產生一交變的 磁場，而處於該交變磁場中的該第二定子43的第二極柱 431及第二感應線圈432則會相配合產生一股反電動勢，並 在該第二感應線圈432中形成一股電流，進而達到利用該 扇輪單元3的旋轉而進行發電的目的。 歸納上述，本發明可自發電之單定子外極式散熱風扇 ，利用該第二定子43設置於可與該永久磁鐵環33互動而 產生電動勢的位置上的配置方式，使該扇輪單元3在轉動 時，其永久磁鐵環33可相配合地提供一轉變之磁場並與該 第二定子43之第二極柱431與第二感應線圏432產生電磁 性互動，進而在該第二感應線圈432中形成形成一股電能 ，藉此利用該扇輪單元3的旋轉而進行發電，並將產生之 電能輸出至該外界裝置100中加以利用或儲存，故確實能 達到本發明之目的。 惟以上所述者，僅為本發明之較佳實施例而已，當不 忐以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 9 201006374 屬本發明專利涵蓋之範圍内。 f圖式簡單說明】 圖1是一俯視圖， 圖2是一剖視圖 的剖視狀態； 說明習知 說明圖 的一單定子外極式風扇； 1中習知單定子外極式風扇 圖3是一俯視圖，說明本發明 式散熱風扇之較佳實施例；及 可自發電之單定子外極 圖4是一剖視圖，說明該較佳實施例之剖視狀態及與 —外界裝置之連接狀態。 μWith the above design, when the fan wheel unit 3 of the present invention is driven to rotate by the first stator 42, an alternating magnetic field is generated by the permanent magnet ring 33, and the alternating magnetic field is in the alternating magnetic field. The second pole 431 and the second induction coil 432 of the second stator 43 cooperate to generate a counter electromotive force, and a current is formed in the second induction coil 432, thereby achieving rotation by the fan unit 3. And the purpose of generating electricity. In summary, the single-stator external-pole heat-dissipating fan of the present invention can be self-generated, and the second stator 43 is disposed at a position that can interact with the permanent magnet ring 33 to generate an electromotive force, so that the fan-wheel unit 3 is When rotating, the permanent magnet ring 33 can cooperate to provide a converted magnetic field and electromagnetically interact with the second pole 431 of the second stator 43 and the second sensing coil 432, and thus the second induction coil 432 The electric power is formed in the middle, whereby the electric power is generated by the rotation of the fan unit 3, and the generated electric energy is output to the external device 100 for use or storage, so that the object of the present invention can be achieved. However, the above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention. , all still 9 201006374 is within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view, FIG. 2 is a cross-sectional view of a cross-sectional view; a single stator external pole fan illustrating a conventional one; FIG. 3 is a conventional single stator external pole fan FIG. FIG. 4 is a cross-sectional view showing the cross-sectional view of the preferred embodiment of the present invention and the connection state with the external device. FIG. μ
10 201006374 【主要元件符號說明】 2…… .....殼座 41…… •…電路板 21 ····. •…本體 42…… .…第 一定子 22···. • 扼接件 421 ··· .…第 一極柱 23… .....外框 422 ·· ，…第 一感應線圈 24··... •…容置空間 43…… •…第 二定子 3…… .....扇輪單元 431… •…第 二極柱 31 .···. .....輪轂 432… .…第 二感應線圈 32.···. …··葉片 100… •…外界裝置 33····. .....永久磁鐵環 4…… ••…驅動暨發電單 元 1110 201006374 [Description of main component symbols] 2...... ..... housing 41... •...Board 21 ····.....body 42.......first stator 22···. • 扼Connector 421 ····.first pole 23..... outer frame 422 ··,...first induction coil 24··...•...accommodation space 43...•...second stator 3 ............fan wheel unit 431...•...second pole 31.····.....wheel hub 432....second induction coil 32.···....·blade 100... •...External device 33····...... permanent magnet ring 4... ••... drive and power generation unit 11