201031561 六、發明說明： 【發明所屬之技術領域】 本發明是有關於-種發電模組，特別是指一種用於自 行車上的發電模組。 【先前技術】 ❹ 騎乘自行車嚴然已成為全民運動，於週末或是夜晚騎 乘自行車已經是一種運動休閒的風潮。然而，在夜間騎乘 自打車歧經過較偏僻的路段時，常因為光線不足而使得 汽車或是機車的駕駛者沒有注意到自行車的騎乘者，而相 對提高發生事故的機會，於是便有業者研發出可裝設於自 行車上之自行車.用警示燈，用以提醒自行車之後方來車。 _ 一併參及圖2,習知之自行車用警示燈2,該自 打車1包含-車架U ’及—位於該車架u後側之座椅架μ ，該自行車用警示燈2包含：_可容置電池⑽之電池座 21、-電連接於該電池座21 &發光& 22、 座21上的電力開關23，及一設置於電池座21上的=件 24’該電力開關23可於一開啟位置與—關閉位置之間切換 ，用以使該發光組22形成通/斷電狀態，而該固定件24是 用以將該自行車用警示燈2固設於該自行車丨之座椅架Μ 上。 / 當使用者騎乘該自行車1並將該自行車用警示燈2之 電力開關23切換於一開啟位置時，該電池1〇〇之電力可以 使該發光組22發光，用以提醒後方的來車注意。然而，該 電池100為一電量有限之消耗品，若使用者騎乘至半途中 3 201031561 電池10G之電量已消耗完畢，而使用者也沒有攜帶 之電池1〇〇 _，則無法進行電池1〇〇之更換動作 自行車用警7F燈2無法再繼續發光以提醒後方來車〜 增加使用者於夜晚騎乘自行車的危險性，再加上電量消= 完畢之電池100中的成份，若隨意丟棄常會造成環境的污 染’因此研發出可以永久使用，不需要更換消耗品，且更 為環保的替代產品，便成為業界努力研究的目標。 【發明内容】 因此，本發明之目的，即在提供一種透過自行車之車❺ 輪轉動即可以產生電力的自行車用發電模組。 於是，本發明自行車用發電模組，該自行車包含一車 架，及二設置於該車架上的車輪裝置，每一車輪裝置具有 固設於該車架上的軸桿、一樞設於該轴桿且可自由轉動 的内環，及多數根由該内環向外延伸的肋條，該自行車用 發電模組包含一樞設於其中一車輪裝置之轴桿的驅動單元 ，及一固設於與該驅動單元所枢設的同一車輪裝置之軸桿 上的定子單元，該驅動單元包括一樞設於其中一車輪裝置p 之軸桿的固定座，及一設置於該固定座的磁力元件，該固 疋座具有一形成有一穿孔的基壁、一由該基壁向上延伸且 呈環繞狀之圍繞壁，及多數道形成於該圍繞壁上的溝槽， 其中’該磁力元件是設置於該圍繞壁的頂緣，且至少有數 道溝槽是卡設於相對應之肋條上，該定子單元包括一固設 _ 於與該驅動單元所樞設的同一車輪裝置之轴桿上的電路板 -’及—安裝於該電路板上的定子線圈，且令該定子線圈是 4 201031561 面向該磁力元件。 本發明之功效在於’不需要使用額外的電力，而是利 用該自行車於行進中且該固定座隨該等肋條相對該軸桿旋 轉而一起轉動時，該磁力元件與該定子單元的定子線圈因 磁性的交互變化產生感應電動勢而生成電流。 【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201031561 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a power generation module, and more particularly to a power generation module for use in a bicycle. [Prior Art] 骑 Riding a bicycle has become a national sport. It is a sporting and leisure trend to ride a bicycle on weekends or at night. However, when riding at night and riding a car through a more remote section, often because the light is insufficient, the driver of the car or the locomotive does not notice the rider of the bicycle, and relatively increases the chance of an accident, so there is a practitioner. Developed a bicycle that can be mounted on a bicycle. A warning light is used to remind the bicycle to come behind. _ Referring to FIG. 2, a conventional bicycle warning light 2 includes a frame U' and a seat frame μ located on the rear side of the frame u. The bicycle warning light 2 includes: a battery holder 21 for accommodating the battery (10), a power switch 23 electrically connected to the battery holder 21 & illuminating & 22, the seat 21, and a = 24' of the power switch 23 disposed on the battery holder 21 The light-emitting group 22 can be turned on/off state, and the fixing member 24 is used to fix the bicycle warning light 2 to the bicycle seat. On the chair frame Μ. When the user rides the bicycle 1 and switches the power switch 23 of the bicycle with the warning light 2 to an open position, the power of the battery 1 can cause the light group 22 to emit light to remind the rear vehicle note. However, the battery 100 is a consumable item with a limited power. If the user rides to the middle of the road 3 201031561, the battery 10G has been consumed, and the user does not carry the battery 1〇〇_, the battery cannot be used. 〇 更换 更换 动作 自行车 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换 更换It has caused environmental pollution. Therefore, it has become a goal of the industry to research and develop alternative products that can be used permanently, do not need to replace consumables, and are more environmentally friendly. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a power module for a bicycle that can generate electric power by rotating a bicycle wheel. Thus, the bicycle power generation module of the present invention includes a frame and two wheel devices disposed on the frame, each wheel device having a shaft fixed to the frame, and a pivoting member a shaft and a freely rotatable inner ring, and a plurality of ribs extending outward from the inner ring, the bicycle power generation module includes a driving unit pivoted on a shaft of one of the wheel devices, and a fixing unit a stator unit on a shaft of the same wheel device pivoted by the driving unit, the driving unit includes a fixing base pivoted on a shaft of one of the wheel devices p, and a magnetic component disposed on the fixing seat, the The solid seat has a base wall formed with a perforation, a surrounding wall extending upward from the base wall and surrounding, and a plurality of grooves formed on the surrounding wall, wherein the magnetic element is disposed around the surrounding a top edge of the wall, and at least a plurality of grooves are hooked on the corresponding ribs, the stator unit including a circuit board fixed to the shaft of the same wheel device as the drive unit is pivoted - And installation A stator coil on the circuit board, enabling the stator coil and is 4,201,031,561 faces the magnetic element. The effect of the present invention is that 'there is no need to use extra power, but the magnetic coil and the stator coil of the stator unit are used when the bicycle is traveling and the fixing seat rotates together with the ribs rotating relative to the shaft. The alternating interaction of the magnetic generates an induced electromotive force to generate a current. [Embodiment] The foregoing and other technical contents, features and effects of the present invention are
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，本發明自行車用發電模組3之較佳實施例， 該自行車1包含—車架u、二分別設置於該車架“前後侧 的車輪裝置12、-位於該自行車i前侧的把手架13，及一 位於該自行車側的座椅架14，每-車輪裝置12且有一 固設於該車架11上的軸桿⑵、-拖設於該軸桿⑵而相 對該轴桿121自由轉動的内環⑵，及多數根由該内環m 向外延伸㈣條123,於本實施例中，該自行車用發電模組 3是安裝於該自行車1前側的車輪裝置12上，並用以使一 發光元件101發光。 一併參閱圖4及圖5’該自行車用發電模組3包含一插 設於前側車輪裝置12之軸桿121的驅動單元Η，及一同樣 固設於前側車輪裝置12之軸 心和和· 121上的定子單元32(因為 視角的關係，該定子單元32 口_ _ > 2^、顯不於圖5)，該驅動單元31 枢設於前側車輪裝置12之轴才旱⑵的固定座311， 及一設置於該固定座311的磁力 牛312，該固定座311具 201031561 有一形成有一穿孔314的基壁313、一由該基壁3i3向上延 伸且呈環繞狀之圍繞壁315，及多數道形成於該圍繞壁 上的溝槽316(因為視角的關係，該等溝槽316只顯示於圖 4)，且至少有數道溝槽是卡設於相對應之肋條123上，而該 轴桿121是穿伸過該固定座311的穿孔314，使該固定座 311會隨著該等肋條123相對該軸桿121旋轉而一起轉動， 於本實施例中，該磁力元件312具有多數個設置於圍繞壁 315頂緣上的磁石317，且該等磁石317與該等溝槽是 於該圍繞壁315頂緣上形成交錯狀設置。 該疋子早元32包括一固設於前側車輪裝置12之軸桿 121上的電路板321，及一安裝於該電路板321上的定子線 圈322，且令該定子線圈322是面向所述磁石317，該發光 凡件ιοί是電連接於該定子單元32的電路板321並安裝於 該自行車1之把手架13下方（見圖3)。 一併參閱圖3及圖5，當該自行車1的車輪裝置12轉 動且所述肋條123相對該轴桿121旋轉並帶動該固定座311 一起轉動時，設置於該固定座311之圍繞壁315上的磁力元 件312會同步轉動，並與該定子單元32的定子線圈322因 磁性的交互變化產生感應電動勢而生成電流再經由該電 路板321傳遞至該發光元件1〇1，以使該發光元件ι〇ι發光 〇 於本實施例中’該驅動單元31及定子單元32是安裝 於該自行車1前側的車輪裝置12，該發光元件101是安裝 於該自行車i前側的把手架13下方，用以使該使用者於騎 201031561 乘自行車1時能有照明的功能外，並提醒對向車道之來車 ，以提同該使用者之行車安全。當然該驅動單元3丨及定子 皁7G 32也可以視使用者的需求來安裝於該自行車i後側的 車輪裝置12,而該發光元件1〇1也可以安裝於該自行車】 後侧的座椅架14上’用以提醒後來方車，同樣能提高該使 用者的行車安全’並提供使用者另__種選擇的態樣，因此 不應以本實施例所揭露之内容為限。 藉由上述設計，本發明於實際使用時，具有以下所述 的優點： (1) 永續使用： 只要該自行車1之車輪裝置12的肋條123持 續相對該軸桿121旋轉，並帶動該自行車用發電 模組3之固定座3π轉動，即可產生電力使該發光 兀件101發光，而達到永續使用的目的。 (2) 節能環保： 承上辦述，該自行車用發電模組3是利用磁 性的交互變化產生感應電動勢而生成電流，因此 不需要以電池來提供電力，更不會有耗盡電力的 廢電池產生，而有效達到節能環保的功效。 练上所述，本發明自行車用發電模組3是利用當該車 之肋條123相對戎轴桿121旋轉並帶動該固定座 311 一起轉動時，該驅動單元31之磁力元件312與該定子 單元32的定子線圈322因磁性的交互變化，產生感應電動 勢而生成電流來使該發光元# 1〇1發光而達到永續使用 7 201031561 及節能環保的功效’故確實能達成本發明之目的。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍’即大凡依本發明中請專利 範圍及發明說明内容所作之簡單的等效變化與修飾皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是-侧視圖’說明習知的自行車用警示燈安裝於 一自行車上的態樣； 圖2是一立體分解圖，說明習知的自行車用警示燈的 結構； 圖3是一側視圖，說明本發明自行車用發電模組之較 佳實施例裝設於一自行車上的使用狀態； 圖4是一俯視圖’說明該較佳實施例中，驅動單元的 固定座組合於自行車之車輪裝置之肋條上的態樣；及 圖5是一剖視圖，說明該較佳實施例中，驅動單元與 定子單元之相對位置關係。 201031561 【主要元件符號說明】 1 自行車 31 驅動單元 101 發光元件 311 固定座 11 車架 312 磁力元件 12 車輪裝置 313 基壁 121 轴桿 314 穿孔 122 内環 315 圍繞壁 123 肋條 316 溝槽 13 把手架 32 定子單元 14 座椅架 321 電路板 3 自行車用發電模組 322 定子線圈The detailed description of a preferred embodiment of the present invention will be apparent from the following description. Referring to FIG. 3, in a preferred embodiment of the bicycle power generating module 3 of the present invention, the bicycle 1 includes a frame u and two wheel devices 12 respectively disposed on the front and rear sides of the frame, and located on the front side of the bicycle i. a handle frame 13 and a seat frame 14 on the side of the bicycle, each axle device 12 has a shaft (2) fixed to the frame 11, and is dragged to the shaft (2) opposite to the shaft 121 The freely rotating inner ring (2), and the plurality of roots extending outwardly from the inner ring m (four) strips 123. In the present embodiment, the bicycle power generating module 3 is mounted on the wheel device 12 on the front side of the bicycle 1 and is used to A light-emitting element 101 emits light. Referring to Figures 4 and 5, the bicycle power generation module 3 includes a drive unit 插 that is inserted into the shaft 121 of the front wheel device 12, and a drive unit 同样 that is also fixed to the front wheel device 12 The axis of the shaft and the stator unit 32 on the 121 (the stator unit 32 port _ _ > 2^, not shown in Fig. 5), the drive unit 31 is pivoted to the axis of the front wheel device 12 a fixing seat 311 of the drought (2), and a magnetic bull 312 disposed on the fixing base 311, The fixed seat 311 has a base wall 313 formed with a through hole 314, a surrounding wall 315 extending upward from the base wall 3i3, and a plurality of grooves 316 formed on the surrounding wall (due to the viewing angle) The grooves 316 are only shown in FIG. 4), and at least a plurality of grooves are formed on the corresponding ribs 123, and the shaft 121 is a through hole 314 extending through the fixing seat 311 to fix the fixing. The seat 311 rotates together with the ribs 123 rotating relative to the shaft 121. In this embodiment, the magnetic element 312 has a plurality of magnets 317 disposed on the top edge of the surrounding wall 315, and the magnets 317 and The grooves are formed in a staggered manner on the top edge of the surrounding wall 315. The die 32 includes a circuit board 321 fixed on the shaft 121 of the front wheel device 12, and a circuit board 321 is mounted on the circuit board. a stator coil 322 on the 321 , and the stator coil 322 is facing the magnet 317 , the light emitting device is electrically connected to the circuit board 321 of the stator unit 32 and mounted under the handle frame 13 of the bicycle 1 (see Figure 3). Referring to Figure 3 and Figure 5, when the self When the wheel device 12 of the car 1 rotates and the rib 123 rotates relative to the shaft 121 and drives the fixing base 311 to rotate together, the magnetic element 312 disposed on the surrounding wall 315 of the fixing base 311 rotates synchronously and The stator coil 322 of the stator unit 32 generates an induced electromotive force due to a magnetic alternating change to generate a current and then transmits the current to the light emitting element 1〇1 via the circuit board 321 to cause the light emitting element to emit light in the embodiment. The driving unit 31 and the stator unit 32 are wheel devices 12 mounted on the front side of the bicycle 1. The light-emitting elements 101 are mounted under the handle frame 13 on the front side of the bicycle i, so that the user can ride the bicycle 1 at 201031561. In addition to the function of lighting, and remind the car to the opposite lane to promote the safety of the user. Of course, the driving unit 3丨 and the stator soap 7G 32 can also be mounted on the wheel device 12 on the rear side of the bicycle i according to the needs of the user, and the light-emitting element 1〇1 can also be mounted on the rear side of the bicycle. The frame 14 is used to remind the later car, which can also improve the driving safety of the user, and provides the user with another choice, and therefore should not be limited to the contents disclosed in the embodiment. With the above design, the present invention has the following advantages in practical use: (1) Sustainable use: as long as the rib 123 of the wheel device 12 of the bicycle 1 continues to rotate relative to the shaft 121 and drives the bicycle When the fixing seat of the power generation module 3 is rotated 3π, electric power can be generated to cause the light-emitting element 101 to emit light, thereby achieving the purpose of sustainable use. (2) Energy saving and environmental protection: According to the above description, the bicycle power generating module 3 generates an electric current by utilizing an alternating magnetic change to generate an induced electromotive force, so that it is not necessary to supply power by a battery, and there is no waste battery that depletes power. Produce, and effectively achieve the effect of energy saving and environmental protection. As described above, the bicycle power generating module 3 of the present invention utilizes the magnetic component 312 of the driving unit 31 and the stator unit 32 when the rib 123 of the vehicle rotates relative to the yoke 121 and drives the fixing 311 together. The stator coil 322 is induced by the magnetic interaction, generates an induced electromotive force, generates a current to cause the illuminating element #1〇1 to emit light, and achieves the effect of sustainable use 7 201031561 and energy saving and environmental protection. Therefore, the object of the present invention can be achieved. However, the above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto. All remain within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view showing a conventional bicycle warning light mounted on a bicycle; Fig. 2 is an exploded perspective view showing the structure of a conventional bicycle warning light; 3 is a side view showing a preferred embodiment of the bicycle power generating module of the present invention installed on a bicycle; FIG. 4 is a plan view illustrating the preferred embodiment of the driving unit of the driving unit The aspect on the rib of the bicycle wheel device; and FIG. 5 is a cross-sectional view showing the relative positional relationship between the drive unit and the stator unit in the preferred embodiment. 201031561 [Description of main components] 1 Bicycle 31 Drive unit 101 Light-emitting element 311 Fixing seat 11 Frame 312 Magnetic element 12 Wheel device 313 Base wall 121 Shaft 314 Perforation 122 Inner ring 315 Around wall 123 Rib 316 Groove 13 Handle frame 32 Stator unit 14 seat frame 321 circuit board 3 bicycle power generation module 322 stator coil