201008461 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種散熱風扇’特別是指一種可自發 電之散熱風扇。 【先前技術】 參閲圖1，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包含一扇座11、一設於該扇 座11上的軸管12、一套設於該軸管12上的定子16、一樞 β 設於該轴管12内的轉軸13,及一設置於該轉轴13上的輪 轂14、一設於該輪轂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16之間設置 有一發電機組15，該發電機組15具有一套設卡制於該轴管 12上的固定座151、一環設於該固定座151上的磁框152， 及一與該磁框152相間隔且設置於該輪轂14上的鐵芯153 ’當該定子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’由於該定子16需藉由通電激磁，產生足以供該 磁鐵環17轉動的磁斥力，而連帶使該輪轂14轉動達到預 期之轉速’即，若縮小該定子16的體積，則會造成磁力降 低’進而影響該輪轂14轉動的速度，因此，該定子16若 需維持通電激磁時所產生的磁斥力，相對使其體積無法有 效縮減；再者，由於該發電機組15是藏置於該輪轂14内 侧，並被該固定座151所圍繞包覆，且該固定座151上另 201008461 βχ有與該鐵4 153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丨5，進 而使該輪轂14之寬度及高度必需增加，導致該散熱風扇1 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裝彈 性上降低，或是必需犧牲扇葉1〇之面積而造成散熱效率降 低，因此，習知的散熱風扇丨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，即在提供一種可自行發電並同 時有效縮減散熱風扇體積厚度的可自發電之散熱風扇。 於是’本發明可自發電之散熱風扇，包含一殼體單元 、一没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，及一設於該殼體單元内的發電單元。 該殼體單元包括一底座，及一自該底座向上延伸的轴 該扇輪單元包括一樞設於該殼體單元之軸管的輪較， 及多數片自該輪轂向外輻射延伸的扇葉，其中，該輪較具 有一基壁部，及一自該基壁部周緣向下延伸的環壁部，所 述扇葉是設於該環壁部之外周面。 該驅動單元包括一環設於該輪轂之環壁部内周面的第 一磁鐵環、一設置於該殼體單元之軸管外周緣的第一電路 板、-電連接該第-電路板且與該第1鐵環相間隔的感 應元件’及多數個捲曲地佈設於該第一電路板上並與今第 201008461 一磁鐵環相間隔的第一感應線圈，其中，該感應元件是用 以偵測該第一磁鐵環之磁性變化。 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'一設於該輪轂之基壁部的第二電路板，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的 第二感應線圈。 當所述第一感應線圈通電激磁產生磁場，與該第一磁 鐵環磁力互斥而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，進而使所述第二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，藉由該驅動單元之第—感應線圈 是捲曲地佈設於該第一電路板上的設置，不僅可達到驅動 該扇輪單元轉動的效果，更可由其薄化的設計縮小風扇厚 度，再者，該發電單元之第二感應線圈亦同樣是捲曲地佈 設於該第二電路板上的薄化設計而與該第二磁鐵環感應發 電’因此，可大幅縮減散熱風扇的整體體積。 【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二個較佳實施例的詳細說明中，將可 清楚的呈現。 在本發明被詳細描述之前，要注意的是’在以下的說 明中，類似的元件是以相同的編號來表示。 參閱圖2，本發明可自發電之散熱風扇的第一較佳實施 例，包含一殼體單元2、一設於該殼體單元2内的扇輪單元 201008461 3、一驅動該扇輪單元3轉動的驅動單元4，及一設於該殼 體單元2内的發電單元5。 參閱圖2’該殼趙單元2具有—底座21、—自該底座 21向上延伸的軸管22，及二個設於該軸管内的轴承 〇 參閱圖2、3,該扇輪單元3包括_輪較31，及多數片 自該輪較31向外輻射延伸的扇t 32，其中，該輪較31具 有一可轉動地伸置於該殼體單元2之軸承23内的轴桿311 、一與該軸桿311連接的基壁部312，及一自該基壁部312 周緣向下延伸的環壁部313，所述扇葉32是設於該環壁部 313之外周面。 該驅動單元4包括一環設於該輪轂31之環壁部313内 周面的第一磁鐵環41、一設置於該殼體單元2之軸管22外 周緣的第一電路板42、多數個捲曲地佈設於該第一電路板 42上並與該第一磁鐵環41相間隔的第一感應線圈43，及 電連接該第一電路板42且與該第一磁鐵環41相間隔的 感應元件44。 其中，所述第一感應線圈43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 成許多第一線圈匝430 ’而且’各個第一線圈匝430外觀上 是如指紋形式且以同心圓方式分別環繞著相對應之第一電 路板42中心排列。 在本實施例中，該感應το件44為一霍爾1C，是用以偵 測該第一磁鐵環41之磁性變化，由於該感應元件44為所 201008461 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。 參閱圖3、4,該發電單元5包括一套設於該殼體單元 2之轴管22上的第二磁鐵環51、一設於該輪轂31之基壁 部312的第二電路板52,及多數個捲曲地佈設於該第二電 路板52上且與該第二磁鐵環51相間隔的第二感應線圈53 〇 所述第二感應線圈53是採用兩條金屬線以彼此相反的 e 方向連續捲曲環繞佈設而成，每一條金屬線可以構成許多 第二線圈匝530 ’而且，各個第二線圈匝530外觀上是如指 紋形式且以同心圓方式分別環繞著相對應之第二電路板5 2 中心排列。 依據上述之結構，該第一電路板42經由外界電源通電 運作後’捲曲地佈設於該第一電路板42上之第一感應線圈 43亦由該第一電路板42控制流通有電流，使所述第一感應 線圈43產生感應磁場，藉由該第一磁鐵環41之磁力與前 © 述感應磁場發生相斥的效果，使該第一磁鐵環41因其磁斥 力而旋轉，進而驅使該扇輪單元3轉動。 接著’利用該扇輪單元4持續轉動，亦同時帶動套設 於該輪轂31之基壁部312的第二電路板52旋轉，相對使 捲曲地環繞佈設於該第二電路板52上的第二感應線圈53 受到該第二磁鐵環51之磁性的交互變化，而產生感應電流 〇 藉由將所述第一感應線圈43捲曲地佈設於該第一電路 9 201008461 上不僅同樣可達到驅動該扇輪單元4轉動的效果， 更可由其薄化的設計縮減厚度，而且，該發電單元5之第 二感應線圈53亦同樣是捲曲地佈設於該第二電路板52上 的薄化設計而與該第二磁鐵環51感應發電，因此，可大幅 縮減散熱風扇的整體體積。 參閱圖5,本發明可自發電之散熱風扇的第二較佳實施 例，大致上是與該第一較佳實施例相同，皆包括一殼體單 兀2、一扇輪單元3、一驅動單元4,及一發電單元5。 不相同之處在於，該驅動單元4更包含一貼置於該第❹ 磁鐵環41之底面且呈環狀的石夕鋼片45，藉由該碎鋼片 45貼靠於該第一磁鐵環41上，其導磁材質受到該第一磁鐵 環41的磁力影響亦產生磁場，進而與所述第一感應線圈43 磁力互斥，相對增加該磁鐵環41與所述第一感應線圈43 之間的磁斥力’提高該扇輪單元3的轉動速度。 歸納上述，本發明可自發電之散熱風扇，利用該驅動 單疋4之第感應線圈43是捲曲地佈設於該第一電路板42 上的設計’不僅可達到驅動該扇輪單元3轉動的效果，更❹ 可由其薄化的設計縮小風扇厚度，再者，該發電單元5之 第二感應線圈53亦同樣是捲曲地佈設於該第二電路板52 上的薄化設計而與該第二磁鐵環51感應發電，因此，可大 幅縮減散熱風扇的整體體積，故確實能達到本發明之目的 〇 惟以上所述者’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圍，即大凡依本發明申請專利 10 201008461 範圍及發明說明内容所作之簡單201008461 IX. Description of the Invention: [Technical Field] The present invention relates to a heat dissipating fan', particularly to a self-energizing cooling fan. [Prior Art] Referring to Figure 1, the cooling fan 1 disclosed in the "Luminous Cooling Fan" of the Republic of China Patent No. M290267 includes a seat 11, a shaft tube 12 disposed on the seat 11, and a set a stator 16 on the shaft tube 12, a shaft 13 disposed in the shaft tube 12, a hub 14 disposed on the shaft 13, a magnet ring 17 disposed in the hub 14, and A plurality of blades 1 extending outward from the hub 14 are disposed between the hub 14 and the stator 16 with a generator set 15 having a set of fixing seats 151 that are clipped to the shaft tube 12. a magnetic frame 152 disposed on the fixing base 151, and a core 153 ′ spaced from the magnetic frame 152 and disposed on the hub 14 when the stator 16 is energized to generate magnetic repulsion with the magnet ring 17 Further, the hub 14 is driven to rotate, and the core 153 is rotated relative to the magnetic frame 152 to generate an induced current, thereby achieving power generation. However, since the stator 16 is energized by energization, a magnetic repulsion force sufficient for the magnet ring 17 to rotate is generated, and the belt 14 is rotated to the desired rotational speed. That is, if the volume of the stator 16 is reduced, the magnetic force is generated. Decreasing 'and thus affecting the speed at which the hub 14 rotates. Therefore, if the stator 16 needs to maintain the magnetic repulsion force generated during energization excitation, the volume cannot be effectively reduced relative to the volume; further, since the genset 15 is hidden in the hub The inner side of the 14 is covered by the fixing base 151, and the mounting base 151 has a magnetic frame 152 which cooperates with the iron 4 153 to generate power. Therefore, the inner side of the hub 14 must have sufficient space. The entire genset 丨 5 is accommodated, so that the width and height of the hub 14 must be increased, so that the overall volume of the cooling fan 1 must also be relatively increased, and when the cooling fan 必需 is necessary to be applied to the field of small mechanisms, The volume is bound to cause a decrease in the elasticity of the installation, or it is necessary to sacrifice the area of the fan blade to reduce the heat dissipation efficiency. Therefore, the conventional cooling fan丨There is still room for improvement in structural design. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a self-generating cooling fan that can generate electricity by itself while effectively reducing the volumetric thickness of the cooling fan. Thus, the heat-dissipating fan of the present invention can include a housing unit, a fan unit that is not in the housing unit, a driving unit that drives the rotation of the fan unit, and a housing unit Power generation unit. The housing unit includes a base and a shaft extending upward from the base. The fan wheel unit includes a wheel axle pivotally mounted on the shaft tube of the housing unit, and a plurality of blades radiating from the hub outward. The wheel has a base wall portion and a ring wall portion extending downward from a periphery of the base wall portion, and the blade is disposed on an outer circumferential surface of the ring wall portion. The driving unit includes a first magnet ring disposed on an inner circumferential surface of the ring wall portion of the hub, a first circuit board disposed on an outer circumference of the shaft tube of the housing unit, and electrically connecting the first circuit board and the a first inductive component that is spaced apart from each other and a plurality of first inductive coils that are crimped on the first circuit board and spaced apart from a magnet ring of 201008461, wherein the inductive component is used to detect the The magnetic properties of the first magnet ring vary. 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 base wall portion of the hub, and a plurality of crimping wires disposed on the second circuit board And a second induction coil spaced apart from the second magnet ring. When the first inductive coil is energized to generate a magnetic field, and the magnetic force of the first magnet ring is mutually exclusive to drive the fan unit to rotate, the second circuit board of the power generating unit is also rotated, thereby making the second induction coil The induced current is generated by the magnetic induction of the second magnet ring. The effect of the invention is that, by the arrangement that the first induction coil of the driving unit is crimped on the first circuit board, not only the effect of driving the rotation of the fan wheel unit but also the thinning design can be reduced. The thickness of the fan, in addition, the second induction coil of the power generating unit is also thinly designed to be crimped on the second circuit board and inductively generated by the second magnet ring. Therefore, the overall cooling fan can be greatly reduced. 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 invention. Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals. Referring to FIG. 2, a first preferred embodiment of the self-generating heat-dissipating fan of the present invention comprises a housing unit 2, a fan wheel unit 201008461 3 disposed in the housing unit 2, and a driving of the fan wheel unit 3. The rotating drive unit 4 and a power generating unit 5 disposed in the housing unit 2. Referring to FIG. 2', the shell unit 2 has a base 21, a shaft tube 22 extending upward from the base 21, and two bearings disposed in the shaft tube. Referring to Figures 2 and 3, the fan wheel unit 3 includes _ a wheel 31, and a plurality of blades radiating outwardly from the wheel 31, wherein the wheel 31 has a shaft 311 rotatably extending in the bearing 23 of the casing unit 2, The base wall portion 312 connected to the shaft 311 and a ring wall portion 313 extending downward from the periphery of the base wall portion 312 are provided on the outer circumferential surface of the ring wall portion 313. The driving unit 4 includes a first magnet ring 41 disposed on the inner circumferential surface of the ring wall portion 313 of the hub 31, a first circuit board 42 disposed on the outer periphery of the shaft tube 22 of the housing unit 2, and a plurality of crimps. a first induction coil 43 disposed on the first circuit board 42 and spaced apart from the first magnet ring 41, and an inductive component 44 electrically connected to the first circuit board 42 and spaced apart from the first magnet ring 41 . Wherein, the first induction coil 43 is formed by continuously winding two metal wires in opposite directions to each other, and each of the metal wires may constitute a plurality of first coil turns 430 ′ and the appearance of each of the first coil turns 430 It is in the form of a fingerprint and is arranged in a concentric manner around the center of the corresponding first circuit board 42 respectively. In the present embodiment, the sensing component 44 is a Hall 1C for detecting a magnetic change of the first magnet ring 41. The sensing component 44 is well known to those of ordinary skill in the art of 201008461. The detailed components and actions are no longer described. Referring to FIGS. 3 and 4, the power generating unit 5 includes a second magnet ring 51 disposed on the shaft tube 22 of the housing unit 2, and a second circuit board 52 disposed on the base wall portion 312 of the hub 31. And a plurality of second induction coils 53 disposed on the second circuit board 52 and spaced apart from the second magnet ring 51. The second induction coil 53 is an e-direction opposite to each other by using two metal wires. The continuous crimping is arranged, and each of the metal wires can form a plurality of second coils 530'. Moreover, each of the second coils 530 is outwardly shaped like a fingerprint and surrounds the corresponding second circuit board 5 in a concentric manner. 2 Center arrangement. According to the above configuration, after the first circuit board 42 is energized by the external power source, the first induction coil 43 that is crimped on the first circuit board 42 is also controlled by the first circuit board 42 to flow current. The first induction coil 43 generates an induced magnetic field, and the first magnet ring 41 rotates due to its magnetic repulsive force by the magnetic force of the first magnet ring 41 and the repulsive effect of the induced magnetic field, thereby driving the fan. The wheel unit 3 rotates. Then, the second circuit board 52 sleeved on the base wall portion 312 of the hub 31 is rotated by the rotation of the fan wheel unit 4, and the second circuit board 52 is disposed on the second circuit board 52 in a curled manner. The induction coil 53 is subjected to the magnetic interaction of the second magnet ring 51 to generate an induced current, and the first induction coil 43 is curled on the first circuit 9 201008461. The effect of the rotation of the unit 4 can be reduced by the thinned design, and the second induction coil 53 of the power generating unit 5 is also thinly designed to be crimped on the second circuit board 52. The two magnet rings 51 are inductively generated, so that the overall volume of the cooling fan can be greatly reduced. Referring to FIG. 5, a second preferred embodiment of the self-generating heat-dissipating fan of the present invention is substantially the same as the first preferred embodiment, and includes a casing unit 2, a fan wheel unit 3, and a driving unit. Unit 4, and a power generating unit 5. The driving unit 4 further includes an annular steel plate 45 attached to the bottom surface of the second magnet ring 41, and the chip 45 is abutted against the first magnet ring. In the 41, the magnetic conductive material is also affected by the magnetic force of the first magnet ring 41 to generate a magnetic field, and the magnetic force is mutually exclusive with the first induction coil 43 , and the magnetic ring 41 and the first induction coil 43 are relatively increased. The magnetic repulsion 'increases the rotational speed of the fan wheel unit 3. In summary, the heat-dissipating fan of the present invention can be self-generated, and the design of the first induction coil 43 of the driving unit 4 being crimped on the first circuit board 42 can not only achieve the effect of driving the rotation of the fan unit 3. Further, the thickness of the fan can be reduced by the thinned design. Further, the second induction coil 53 of the power generating unit 5 is also thinly designed to be crimped on the second circuit board 52 and the second magnet. The ring 51 is inductively generated, so that the overall volume of the heat dissipating fan can be greatly reduced, so that the object of the present invention can be achieved. However, the above description is only a preferred embodiment of the present invention, and the present invention cannot be limited thereto. The scope of the invention is simple according to the scope of the invention patent 10 201008461 and the description of the invention
届太旅 1早的等效變化與修飾，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，說明中華民固奎…& 「 τ带民國專利第M290267號「 可發光之散熱風扇」之態樣； 圖2是-立體分解圖，說明本發明可自發電之散熱風 扇的第一較佳實施例； 圖3疋一剖視圖，說明該第一較佳實施例組合後之態 樣； 圖4是一上視圖’說明該第一較佳實施例之第二感應 線圈捲曲地佈設於第二電路板之態樣；及 圖5是一剖視圖，說明本發明可自發電之散熱風扇的 第二較佳實施例。Equivalent changes and modifications of the 1st Brigade are still within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a state of the Chinese People's Republic of China... & "Tursing the Republic of China Patent No. M290267 "Illuminating Cooling Fan"; FIG. 2 is an exploded perspective view illustrating the present invention. A first preferred embodiment of a self-generating cooling fan; FIG. 3 is a cross-sectional view showing a combination of the first preferred embodiment; FIG. 4 is a top view illustrating the first preferred embodiment. The second induction coil is crimped to the second circuit board; and FIG. 5 is a cross-sectional view showing the second preferred embodiment of the self-generating heat dissipation fan of the present invention.
11 201008461 【主要元件符號說明】 2 ' °* —殼體單元 41 … —底座 42 * * … 22*"·* —轴管 43 ”… 23 * + … —轴承 430… 3 ...... •…扇輪單元 ***** …·輪較 45 "… 311… …·轴桿 5…… 312… •…基壁部 51 *… 313… •…環壁部 52..... 32""* …扇葉 5 3 * — 4…… …·驅動單元 530… …第一磁鐵環 …第一電路板 —第一感應線圈 …第一線圈西· …感應元件 •…矽鋼片 …發電單元 …第二磁鐵環 …第二電路板 …第二感應線圈 …第二線圈西·11 201008461 [Description of main component symbols] 2 ' °* — housing unit 41 ... — base 42 * * ... 22*"·* —shaft tube 43 ”... 23 * + ... — bearing 430... 3 ..... •...fan wheel unit***** ...· wheel comparison 45 "... 311... .... shaft 5... 312... •... base wall portion 51 *... 313... •...ring wall portion 52.... 32""* ...fan blade 5 3 * — 4...... ... drive unit 530... first magnet ring...first circuit board-first induction coil...first coil west...inductive element•...矽Steel sheet ...power generation unit...second magnet ring...second circuit board...second induction coil...second coil west·