201208939 六、發明說明： 【發明所屬之技術領域】 本發明，是有關於自行車用輪轂，特別是，構成自行 車的車輪的輪轂的馬達內藏自行車用輪轂。 【先前技術】 在自行車中，已知有藉由馬達補助人力驅動力的輔助 自行車。在輔助自行車中，採用在車輪設有具有馬達的馬 達內藏輪轂者。在習知的馬達內藏輪轂，已知將馬達驅動 的馬達驅動電路是被配置於內部。習知的馬達內藏輪轂， 其馬達及馬達驅動電路是藉由電氣配線被連接（例如專利 文獻1參照）。 [先行技術文獻] [專利文獻] [專利文獻1]日本特開2003-095179號公報 【發明內容】 (本發明所欲解決的課題） 在前述習知的構成中，馬達及馬達驅動電路因爲是藉 由電氣配線被連接，所以馬達驅動電路的配置不易被限制 。但是，電氣配線的連接很煩，且有可能發生由電氣配線 的電阻所產生的電力損失。 本發明的課題，是對於馬達內藏自行車用輪轂，使電 氣配線的連接成爲容易，且可以減少電力損失。 -5- 201208939 (用以解決課題的手段） 發明1的馬達內藏自行車用輪轂，是構成自行車的車 輪的輪轂的自行車用馬達內藏輪轂。馬達內藏自行車用輪 轂，具備：輪轂軸、及馬達、及馬達控制部。馬達’具有 端子。馬達控制部，是在輪轂軸的軸線方向與馬達並列設 置，具有與端子直接連接的電路基板，將馬達控制用。 在此馬達內藏自行車用輪轂中’馬達的端子是與馬達 控制電路的電路基板直接連接。因此，成爲不需要馬達及 電路基板之間的電氣配線，電氣配線的連接變容易’且可 以減少電力損失。 發明2的馬達內藏自行車用輪轂，是如發明1的馬達 內藏自行車用輪轂，端子是與輪轂軸平行地延伸。在此情 況下，端子的長度可成爲最短。 發明3的馬達內藏自行車用輪轂，是如發明1或2的 在馬達內藏自行車用輪轂，進一步具備隔壁部。馬達’是 具有與端子連接的線圈部。隔壁部’是被設在線圈部及電 路基板之間。端子，是貫通隔壁部。 在此情況下，成爲可藉由隔壁部將馬達的線圈部及電 路基板配置於不同的空間。因此’可以將線圈部的熱朝隔 壁部傳導，可以減少朝電路基板的傳導，可以藉由控制部 穩定進行馬達的控制。 發明4的自行車用馬達內藏輪轂，是如發明3的馬達 內藏自行車輪轂’在隔壁部中，形成有端子貫通的貫通孔 -6- 201208939 ，端子的基端部，是藉由具有絕緣性的樹脂被壓模’設於 貫通孔。 在此情況下，貫通孔並與電路基板連接的端子的基端 部，是在由具有絕緣製的樹脂被壓模的狀態下設於貫通孔 。因此，可以防止端子及隔壁部的接觸。 發明5的自行車用馬達內藏輪轂，是如發明3或4的 馬達內藏自行車輪轂，隔壁部，是將線圏部支撐’與輪轂 軸不可旋轉地連接。 在此情況下，與藉由車架旋轉被限制的輪轂軸不可旋 轉地連接的隔壁部因爲是將線圈部支撐，所以可以同時實 施線圈部的支撐及空間的區分。 發明6的馬達內藏自行車用輪轂，是如發明3〜5的 其中任一的馬達內藏自行車輪轂，進一步具備馬達殼，其 是將隔壁部挾持，並形成有：馬達控制部被收納的第1空 間、及使線圈部被收納的第2空間。 在此情況下，藉由隔壁部區分第1空間及第2空間就 可以配置馬達控制部及線圈部。 發明7的馬達內藏自行車用輪轂，是如發明3〜6的 其中任一的馬達內藏自行車輪轂，電路基板，是在第1貼 裝面具有第1電氣元件，將第1貼裝面面臨隔壁部地配置 。在隔壁部中，形成有被配置有第1電氣元件的至少一部 分的配置凹部。 在此情況下，配置凹部是形成於隔壁部，第1電氣元 件的至少一部分被配置於配置凹部。因此，可以縮短輪轂 201208939 的輪轂軸方向的長度。 發明8的馬達內藏自行車用輪轂，是如發明7的馬達 內藏自行車輪轂，在第1電氣元件、及隔壁部之間，設有 空隙。在此情況下，馬達即使振動，其振動也可藉由空隙 被遮斷，而不會朝第1電氣元件傳達。因此，第1電氣元 件成爲不易受到因振動所產生的不良影響。 發明9的馬達內藏自行車用輪轂，是如發明1或是2 的馬達內藏自行車輪轂，電路基板，是在第1貼裝面具有 第1電氣元件，將第1貼裝面面臨馬達地設置。 在此情況下，因爲在馬達側的第1貼裝面配置第1電 氣元件，所以可以在被配置於狹窄空間的電路基板配置更 多的第1電氣元件。 發明10的馬達內藏自行車用輪轂，是如發明7〜9的 其中任一的馬達內藏自行車輪轂，馬達控制部，是具備設 有複數開閉元件的變頻器部，開閉元件是被貼裝在第1貼 裝面相反側的第2貼裝面。 在此情況下，因爲將發熱量多的開閉元件配置於隔壁 部或馬達相反側的第2貼裝面，所以開閉元件被配置於與 外氣接觸的輪轂的外側面的附近。因此，容易冷卻開閉元 件。 發明11的馬達內藏自行車用輪轂，是如發明7〜10 的其中任一的馬達內藏自行車輪轂，電路基板，是在第1 貼裝面相反側的第2貼裝面具有第2電氣元件，第1電氣 元件的與輪轂軸平行的方向的尺寸，是比第2電氣元件更 -8- 201208939 大。 在此情況下，因爲輪轂軸方向的尺寸大的第1電氣 件被配置於配置凹部，所以可以縮短輪轂的輪轂軸方向 度。 [發明的效果] 依據本發明，馬達的端子是與馬達控制電路的電路 板直接連接。因此，成爲不需要馬達及電路基板之間的 氣配線，電氣配線的連接變容易，且可以減少電力損失 【實施方式】 <自行車的整體構成> 在第1圖中，採用本發明的一實施例的自行車是藉 馬達內藏輪轂10補助人力驅動的輔助自行車。自行車 具備：設有車架體102及前叉103的車架101、及手把 104、及驅動部105、及前輪l〇6f、及後輪106r、及前 動裝置107f及後制動裝置l〇7r、及前照燈23、及尾燈 。前叉103，是繞傾斜的軸可擺動自如地裝設於車架 102的前部。在前叉103的先端部裝設有馬達內藏輪轂 。前制動裝置l〇7f及後制動裝置l〇7r，是各別與前 l〇6f及後輪106r的輪框121f及12 1r接觸的方式進行 動。 在車架101中，安裝有包含鞍座111和手把部104 各部。驅動部1〇5’具有：可旋轉自如地被支撐於車架 元 長 基 電 由 > 部 制 24 體 10 輪 制 的 體 -9- 201208939 102的吊架部的曲軸116、及被固定於曲軸116兩端的齒 輪曲軸118a及左曲軸（無圖示）、及被掛架在齒輪曲軸 118a的鏈條119、及被裝設於後輪106r的後輪轂110的 齒輪109、及前撥鏈器108f、及後撥鏈器108r。 前撥鏈器108 f，是將鏈條119架設在被裝設於齒輪曲 軸1 1 8 a的例如3枚的鏈輪的其中任一枚。後撥鏈器1 〇 8 r ，是將鏈條1 1 9架設在被安裝於後輪轂1 1 〇的齒輪1 〇9的 例如9枚的鏈輪的其中任一枚。前撥鏈器l〇8f及後撥鏈 器1 0 8 r，皆被電動驅動，各別具有：電動致動器、及檢出 現在的變速段的段數感測器、及將這些控制的撥鏈器控制 部。在車手把115中，設有指示變速的變速開關，前述撥 鏈器控制部是對應變速開關的操作控制電動致動器。在本 實施例中，前撥鏈器l〇8f及後撥鏈器l〇8r雖被電動驅動 ，但是前撥鏈器l〇8f及後撥鏈器l〇8r是由拉線與變速操 作桿連結，藉由變速操作桿將拉線拉伸而被變速驅動的構 成也可以。 在車架體102的後上部，安裝有載物架112。在載物 架112中’設有包含控制自行車整體的電氣元件裝的整體 控制部1 2的載物架組件1 3。載物架組件1 3，是可裝卸地 搭載成爲馬達內藏輪轂10、整體控制部12及前照燈23等 的電氣元件的電源的蓄電部14。蓄電部14，是包含例如 鎮氫電池或鋰離子電池等的蓄電池。尾燈24是一體地被 安裝在蓄電部14。 手把部104’具有：被固定於前叉1〇3的上部的車把 -10- 201208939 立管114、及被固定於車把立管114的桿手把型的肆 1 1 5。在車手把1 1 5的兩端，裝設有：左刹車桿i 6f、 剎車桿1 6 r。且’在車手把1 1 5的中央部，裝設有： 組件1 8、及前照燈23。顯示組件丨8，可顯示例如朝 式及動能回收制動模式等的動作模式。 <馬達內藏輪轂> 馬達內藏輪轂10，是構成自行車的前輪l〇6f皆 。馬達內藏輪轂10’是被裝設於前叉103的先端，系 驅動補助用者。馬達內藏輪轂1 0，是包含例如3相& 刷DC馬達。馬達內藏輪轂1 〇，是如第2圖所示，| 輪轂軸15、及被裝設於輪轂軸15的馬達殼17。且， 內藏輪轂1 〇，是如第3圖所示，具有：被收納於层 1 7內的馬達1 1、及馬達控制電路（馬達控制部的一例 及旋轉傳達機構2 5。 <輪穀軸> 輪轂軸1 5，是例如，鋼鐵製，不可旋轉地被裝言i 叉103的先端的前爪部l〇3a兩端部。在輪轂軸15纪 外周面形成有左右1對的第1公螺紋部1 5 a及第2 f 部15b，其是螺合有供固定於前叉103用的螺帽構件 且，在第1公螺紋部1 5 a及第2公螺紋部1 5b的外11 ，形成有具有彼此平行的二面的第1卡止部15c及第 止部15d。在第2卡止部15d的輪轂軸方向內方，开 手把 及右 顯示 助模 丨輪轂 P人力 丨無電 r有： 馬達 I達殼 )19、 在前 兩端 螺紋 50 ° 面中 2卡 成有 -11 - 201208939 將馬達殼1 7的後述的第1殼構件3 2不可旋轉地連結用的 旋轉卡止部15e。在第1公螺紋部15a中，螺合有：螺帽 構件50、及鎖定螺帽51。在第2公螺紋部15b中，螺合 有：螺帽構件50、及將第1殻構件32固定於輪轂軸15的 螺帽構件52。在螺帽構件50的軸方向內方，裝設有止轉 墊圈54’其是與第1卡止部i5c及第2卡止部15d各別不 可旋轉地卡合，且卡合於前叉1〇3的裝設溝103b並將輪 轂軸15止轉用。 且在第1公螺紋部15a的輪轂軸方向內方形成有第3 公螺紋部15f’第3公螺紋部I5f螺合有將馬達殼17的後 述的第2殼構件34的第2端可旋轉自如地支撐的第2軸 承31。輪轂軸15的中間部分，是比第1公螺紋部15a及 第2公螺紋部15b大徑。 <馬達殻> 如第2圖、第3圖、第4圖、第5圖及第6圖所示， 馬達殼1 7，具有：與輪轂軸1 5不可旋轉地連結的第1殼 構件32、及第1端（第3圖右端）及第2端（第3圖左端）各 別可旋轉自如地被支撐在第1殻構件32及輪轂軸15的第 2殻構件34。第2殼構件34，是例如由鋁合金形成。第1 殻構件32，具有形成於外側面並可收容前叉1 〇3的先端部 的凹部32a。且，第1殻構件32，是形成凹部32a，具有 朝輪轂軸方向外方膨出的膨出部3 2b。在膨出部32b的內 部形成有第1空間32c。在第2殻構件34及第1殼構件 -12- 201208939 3 2的內部形成有第2空間3 4 a。 第1殻構件32，具有：不可旋轉地裝設於輪轂軸15 的殼本體36、及藉由複數根（例如5根）的安裝螺栓37被 固定在殼本體30外側面的蓋構件38。在蓋構件38及殼本 體3 6之間’形成有第1空間3 2 c。殼本體3 6及蓋構件3 8 ，是例如由鋁合金形成。 殼本體3 6 ’具有：與輪轂軸1 5不可旋轉地連結的第 1轂部3 6a、及與第1轂部3 6a —體形成的圓形的隔壁部 3 6b、及從隔壁部36b的外周部朝向第2殼構件34延伸的 筒狀的第1圓筒部36c。在第1轂部36a的內周面，形成 有與輪轂軸15的旋轉卡止部i5e不可旋轉地連結的非圓 形的連結孔3 6 d。 隔壁部3 6b的外側面是大致平坦面。在此外側面形成 有朝輪轂軸15方向外方突出形成的複數安裝轂部36e »馬 達控制電路19是藉由安裝螺栓53被固定在安裝轂部36e 〇 在隔壁部3 6b中，如第8圖所示，形成有可配置被貼 裝於馬達控制電路1 9的後述的第1電氣元件47的複數（ 例如6個）配置凹部43a。配置凹部43a，是貫通隔壁部 3 6b內部的凹部。且，在隔壁部3 6b中，形成有將馬達1 1 的端子26朝第1空間32c露出用的複數（例如3個）端子開 口（貫通孔的一例）43b。 在第1圓筒部36c的外周面，裝設有將第2殼構件34 的第1端可旋轉自如地支撐的例如滾珠軸承的形態的第1 -13- 201208939 軸承30的內輪30a。在第1軸承30的外側，配置有將第 1圓筒部36c及外輪30b之間密封的密封構件30c。且， 在外輪3 Ob及第2殼構件3 4之間，配置有密封用的〇形 環60。進一步在第1轂部36a的內周部及輪轂軸15之間 ，配置有密封用的0形環61。由此，異物成爲不易從第1 殼構件32的外側朝第2殼構件34內的第2空間34a侵入 〇 在第1圓筒部36c的先端部外周面中，與第1圓筒部 3 6c不可旋轉地連結的筒狀的齒輪安裝部3 5是藉由螺栓構 件被固定。後述的內齒齒輪4 8b是不可旋轉地被連結在齒 輪安裝部35的內周面中。 蓋構件38，是在外側面具有前述的凹部32a及膨出部 3 2b。在蓋構件38的內側面中，在蓋構件38及殼本體36 之間，是配置有抑制液體朝配置有馬達控制電路1 9的空 間滲入的密封構件62。密封構件62，是在蓋構件3 8的內 側面中，被配置於凹部32a的外側及膨出部32b的外周部 。密封構件62，是由具有防水性及彈撥性的橡膠等形成。 密封構件62，是如第3圖及第6圖所示，裝設於被形成於 殻本體36的隔壁部36b外側面的密封溝36f。 凹部32a，是如第2圖及第4圖所示’在呈大致U字 狀凹陷形成，在本實施例中，從輪轂軸1 5貫通的中心部 些微地先端較廣地呈大致U字狀凹陷形成。凹部32a是爲 了成爲可插入各式各樣的形狀的前叉’而形成比通常的前 叉的先端的形狀些微地寬廣。 -14- 201208939 在隔壁部3 6b的外側，由殼本體3 6及蓋構件3 8形成 的第1空間3k，是成爲大致馬蹄形狀。在第1空間32c 中，配置有被固定於隔壁部3 6b的馬達控制電路1 9。在膨 出部3 2b的內側面，形成有馬達控制電路1 9的薄片裝設 溝32d。薄片裝設溝32d，是設在面向複數第2電氣元件（ 特別是後述的電場效果晶體管44a)44的位置，將放熱構 件也就是放熱片80定位裝設用的溝。薄片裝設溝32d，是 形成與放熱片8 0同樣的形狀。 在凹部32a的一方的緣部中，配線連接部38a是朝殼 本體36的周方向外方突出形成。配線連接部38a是比膨 出部3 2b更朝輪轂軸方向些微地凹陷形成。配線連接部 38a，是爲了將馬達控制電路19及整體控制部12及將蓄 電部14連接的2芯的電力線70(第2圖）朝外部取出而被 設置。配線連接部38a，是具有可連接電力線70的連接器 41。又，在此實施例中，電力線70，是藉由PLC(電力通 訊Power Line Communications)，進行電源的供給及訊號 的通訊的方式構成。在配線連接部38a的先端，設有連接 器41(第2圖）。連接器41，是例如，2芯的母連接器。 配線連接部38a，是如第1圖所示，接近前叉1〇3的 後部並沿著前叉1 03被配置的方式形成。 第2殼構件34,是與通常的自行車用輪轂的輪轂套罩 類似的構造，爲有底筒狀部的構件。第2殼構件3 4，具有 :被支撐於第2軸承31的第2轂部34b、及與第2轂部 34b —體形成的圓板部34c、及從圓板部34c的外周部朝 -15- 201208939 輪轂軸方向內方呈筒狀延伸的第2圓筒部34d ' 在第2轂部3 4b的內周面中，在與輪轂朝 設有第2軸承31。第2軸承31，是使內輪3 輪轂軸15的第3公螺紋部15f螺合而可調整 。調整後的內輪31a，是藉由鎖定螺帽51被 31b，是裝設於第2轂部3 4b的內周面。在第： 外側中，配置有將第2轂部3 4b及內輪3 1 a之 封構件31c。且，在內輪31a的內周面及輪轂幸 面之間是配置有0形環65 »由此，異物不易: 件34的第2端側侵入第2空間34a。 第2圓筒部3 4d，是被配置於第1圓筒部 側。在第2圓筒部34d的第1端側內周面裝設 30的外輪30b。在第2圓筒部34d的外周面中 122將前輪l〇6f的輪框121f及馬達內藏輪轂 第1輪轂凸緣40a及第2輪轂凸緣4 0b是在輪 兩端部隔有間隔地形成。 在第1空間32c及第2空間34a之間因爲 3 6b ’所以可以將線圈部的熱朝隔壁部3 6b傳 少朝電路基板的傳導，可以藉由控制部穩定進 制。 <馬達控制電路> 馬達控制電路1 9，是如第6圖及第7圖所 路基板42。電路基板42，是在輪轂軸15的軸 ^ 1 5之間裝 1 a與形成於 軸方向位置 止轉。外輪 2軸承31的 間密封的密 由1 5的外周 從第2殼構 36c的外周 有第1軸承 ，藉由輻絲 1 〇連結用的 轂軸方向的 設有隔壁部 導，可以減 行馬達的控 示，具有電 線方向與馬 -16- 201208939 達1 1並列設置。即，電路基板42，是在與輪轂軸I 5平行 的方向與馬達11並列設置。電路基板42，具有：面臨隔 壁部3 6b地配置的第1貼裝面42a、及面臨蓋構件38地配 置的第2貼裝面42b。在第1貼裝面42a中，被貼裝有複 .數第1電氣元件47。第1電氣元件47，是例如包含平滑 用及雜訊除去用的複數（例如5個）電容器47a、及變壓器 47b等。在第1貼裝面42a中，除了前述第1電氣元件47 以外，貼裝其他的電氣元件也可以。第1電氣元件47，是 如第3圖所示，其一部分配置在配置凹部43a，並與隔壁 部36b隔有空隙地配置。 在第2貼裝面42b中，貼裝有複數第2電氣元件44， 複數第2電氣元件44，是如第6圖所示，構成變頻器電路 • 19a及電力線通訊電路19b。變頻器電路19a，是將從蓄電 部1 4被供給的直流開閉變換成交流。變頻器電路1 9a，是 將負荷工作比變化使馬達內藏輪轂1 〇的驅動力變化，並 且使將馬達內藏輪轂1 〇作爲發電機使用時的動能回收制 動力變化。變頻器電路19a，是與馬達11的後述的端子 26連接。 變頻器電路19a，是包含複數（例如6個）電場效果晶 體管（FET)44a及其他的電氣元件。複數電場效果晶體管 44a，是與放熱片80接觸地配置。藉此將由電場效果晶體 管所發生的熱的一部分，透過放熱片80朝蓋構件38傳導 ，而可從蓋構件3 8朝外部放出。第1電氣元件47的高度 (與輪轂軸15平行的方向的尺寸的一例）’是比第2電氣元 -17- 201208939 件44高。 <馬達> 馬達11，是如第3圖所示’具有：旋轉件21、及在 旋轉件2 1的外周側與旋轉件2 1相面對配置的定子22、及 3個端子26。 旋轉件21，是被配置於第2空間3 4a內，可旋轉自如 地被支撑於輪轂軸15。旋轉件21 ’是例如具有：在周方 向具有複數磁極的磁鐵2 1 a '及將磁鐵2 1 a保持的磁鐵保 持部21b。磁鐵保持部21b，是藉由在輪轂軸方向隔有間 隔地被配置的2個軸承66可旋轉自如地被支撐於輪轂軸 15° 定子22，是在第2空間34a內被配置於旋轉件21的 外周側。定子22，是被支撐於殼本體36的隔壁部36b， 具有在周方向隔有間隔地被配置的無圖示的複數（例如6 個）線圈部46 »定子22，在此實施例中，藉由3根螺栓構 件被固定於隔壁部3 6b。複數線圈部46，是藉著由馬達控 制電路19的變頻器電路19a的電場效果晶體管44a被開 閉的交流依序被勵磁，將旋轉件2 1朝自行車的進行方向 旋轉。 如第9圖所示，定子22的線圈部46，是與端子26的 基端部26a —起，藉由在第9圖由點顯示的具有絕緣性的 樹脂構件55被壓模。端子26，是與線圈部46連接，設於 端子開口 43b »端子26是與輪轂軸15平行地延伸。端子 -18- 201208939 26的先端部26b，是被配置於第_ι空間32c內。端子26 的先端部26b，是被插入被設於電路基板42的3個端子連 接孔42c ’藉由焊接等的適宜的連接手段與形成於電路基 板4 2的配線直接地電連接。 <旋轉傳達機構> 旋轉傳達機構25，是將旋轉件21的旋轉朝第2殼構 件34傳達，將第2殼構件34的旋轉傳達至旋轉件21。旋 轉傳達機構25，具有行星齒輪機構48。行星齒輪機構48 ’具有：太陽齒輪48a、及被配置於太陽齒輪48a外周側 的內齒齒輪48b、及與太陽齒輪48a及內齒齒輪48b嚙合 的複數（例如3個）行星齒輪48c。太陽齒輪48a，是被固定 於旋轉件21。內齒齒輪48b是設在殻本體36。複數行星 齒輪48c，是藉由小齒輪支架48d可旋轉地被支撐。各行 星齒輪48c，是具有齒數不同的2個第1及第2齒輪部。 第1齒輪部，是與太陽齒輪48a嚙合，第2齒輪部，是與 內齒齒輪48b嚙合。小齒輪支架48d，是被固定於第2殼 構件34的第2圓板部34c的內側面。在此行星齒輪機構 48中’設在殻本體36的內齒齒輪48b因爲是不可旋轉地 被固定在輪轂軸15，所以旋轉件21被連結的太陽齒輪 48a的旋轉會被減速地傳達至第2殼構件34。 <馬達內藏輪轂的組裝程序> 將馬達內藏輪轂10組入前叉103時，是將輪轂軸15 -19- 201208939 裝設在前叉103的先端的前爪部103a的裝設溝103b。此 時因爲可以將前叉1 03的先端部配置於朝馬達內藏輪轂1 0 的第1殼構件32的蓋構件38凹陷的凹部32a，所以朝馬 達殼17的前叉103的裝設部分間的長度不會變長。且， 因爲在凹部32a的徑方向外方設置膨出部32b，在膨出部 3 2b內設置馬達控制電路1 9，所以即使將馬達控制電路1 9 設在內部，朝前叉103的裝設部分間的馬達內藏自行車用 輪轂的長度也不會變長。因此，容易設計可裝設於既有的 輪轂安裝寬度的前叉103的馬達內藏輪轂10。 將輪轂軸15裝設在裝設溝103b的話，從其兩端將螺 帽構件50裝設，並且將止轉墊圈54卡合在裝設溝103b 使輪轂軸15止轉。在此狀態下將螺帽構件50旋入的話， 馬達內藏輪轂10會被固定於前叉103。 <其他的實施例> 以上，雖說明了本發明的一實施例，但是本發明不限 定於上述實施例，在不脫離發明的實質範圍內可進行各種 變更。 (a) 在前述實施例中，雖例示無電刷DC馬達，被是線 圏部旋轉的附電刷馬達也可以適用本發明。此情況，將藉 由動能回收驅動功能及頻率變調將馬達驅動的馬達控制電 路設在膨出部，將馬達的端子與馬達控制電路直接連接即 可 ° (b) 在前述實施例中，在馬達內藏輪轂10雖未設置輪 -20- 201208939 丨 轂制動裝置的連結構造，但是設置連結構造也可以。例如 ，將可一體旋轉地連結培林式制動器的鼓或碟刹用的轉子 的連結構造設在第2轂部34b的外周面也可以。 (c) 馬達11的機械的構成，不限定於上述構成。例如 '在前述實施例中，雖爲內轉子的馬達，但是外轉子的馬達 也可以。 (d) 在前述實施例中，雖設置隔壁部36b，並在那將定 子固定，但是本發明不限定於此。將定子固定在第1圓筒 部36c的內周面，由蓋構件將輪轂軸支撐也可以。此情況 ，將電路基板固定在蓋構件側，將馬達的端子與直接電路 基板連接即可。 (e) 在前述實施例中，雖由貫通隔壁部36b的孔構成配 置凹部43a，但是本發明不限定於此。例如，配置凹部 43a，是不貫通隔壁部36b的凹陷也可以。 【圖式簡單說明】 [第1圖]採用本發明的一實施例的自行車的右側視圖 〇 [第2圖]馬達內藏輪轂的右側視圖。 [第3圖]馬達內藏輪轂的第2圖的切斷面線ΙΙΙ-ΠΙ的 剖面圖。 [第4圖]馬達內藏輪轂的左立體圖。 [第5圖]馬達內藏輪轂的右立體圖。 [第6圖]馬達內藏輪轂的分解立體圖。 -21 - 201208939 [第7圖]顯示電路基板的第〗貼裝面的平面圖。 [第8圖]顯示馬達及殼本體的位置關係的圖。 [第9圖]馬達的剖面部分圖。 【主要元件符號說明】 10:馬達內藏輪穀 1 1 :馬達 1 2 :整體控制部 1 3 :載物架組件 14 :蓄電部 15 :輪轂軸 1 5 a :第1公螺紋部 15b :第2公螺紋部 15c :第1卡止部 15d :第2卡止部 15e :旋轉卡止部 1 5 f :第3公螺紋部 1 6 f :左刹車桿 16r :右剎車桿 1 7 :馬達殼 1 8 :顯示組件 1 9 :馬達控制電路 19a :變頻器電路 1 9 b :電力線通訊電路 -22- 201208939 2 1 :旋轉件 2 1 a :磁鐵 2 1 b :磁鐵保持部 22 :定子 23 :前照燈 2 4 :尾燈 25 :旋轉傳達機構 26 :端子 26a :基端部 26b :先端部 30 :第1軸承 3〇a :內輪 3〇b :外輪 3〇c :密封構件 3 1 :第2軸承 3 1 a :內輪 3 1 b :外輪 3 1 c :密封構件 3 2 :第1殻構件 3 2 a :凹部 32b :膨出部 3 2c :第1空間 3 2d :薄片裝設溝 3 4 :第2殻構件 -23- 201208939 3 4a :第2空間 3 4b :第2轂部 34c :第2圓板部 34d :第2圓筒部 35 :齒輪安裝部 36 :殻本體 3 6a :第1轂部 3 6b :隔壁部 36c :第1圓筒部 3 6 d :連結孔 36e :安裝轂部 3 6 f :密封溝 3 7 :安裝螺栓 3 8 :蓋構件 3 8 a :配線連接部 40a:第1輪轂凸緣 40b :第2輪轂凸緣 41 :連接器 42 :電路基板 42a :第1貼裝面 42b :第2貼裝面 42c :端子連接孔 43a :配置凹部 4 3 b :端子開口 201208939 44 :第2電氣元件 44a :電場效果晶體管 46 :線圈部 47 :第1電氣元件 47a :電容器 47b :變壓器 48 :行星齒輪機構 48a :太陽齒輪 4 8 b :內齒齒輪 4 8 c :行星齒輪 48d :小齒輪支架 50 :螺帽構件 5 1 _·鎖定螺帽 52 :螺帽構件 5 3 :安裝螺栓 5 4 :止轉墊圈 55 :樹脂構件 6 0 : Ο形環 61 : 0形環 6 2 :密封構件 65 : Ο形環 66 :軸承 7 0 ’·電力線 8 0 ’·放熱片 -25 201208939 101 ： 102 ： 103 : 103 a 103b 104 ： 105： 1 06f 1 06r 1 07f 1 07r 1 08f 1 08r 109 ： 110： 111： 112： 114： 115： 116： 118a 119： 1 2 1 f 122 ： 車架 車架體 前叉 前爪部 :裝設溝 手把部 驅動部 :前輪 :後輪 =前制動裝置 :後制動裝置 前撥鏈器 :後撥鏈器 齒輪 後輪轂 鞍座 載物架 車把立管 車手把 曲軸 :齒輪曲軸 鏈條 :輪框 輻絲 -26201208939 VI. [Technical Field] The present invention relates to a bicycle hub, and more particularly to a motor-incorporated bicycle hub that constitutes a hub of a bicycle wheel. [Prior Art] Among bicycles, an auxiliary bicycle that is supplemented by a motor to assist human power is known. In the auxiliary bicycle, a motor built-in hub having a motor on the wheel is used. In a conventional motor built-in hub, it is known that a motor drive circuit that drives a motor is disposed inside. A conventional motor-incorporated hub whose motor and motor drive circuit are connected by electric wiring (for example, refer to Patent Document 1). [PRIOR ART DOCUMENT] [Patent Document 1] JP-A-2003-095179 SUMMARY OF THE INVENTION (Problems to be Solved by the Invention) In the above-described conventional configuration, the motor and the motor drive circuit are Since the electric wiring is connected, the arrangement of the motor drive circuit is not easily limited. However, the connection of the electric wiring is annoying, and power loss due to the electric resistance of the electric wiring may occur. An object of the present invention is to facilitate the connection of electrical wiring to a bicycle hub for a motor, and to reduce power loss. -5-201208939 (Means for Solving the Problem) The motor-incorporated bicycle hub of the invention 1 is a bicycle motor built-in hub that constitutes a hub of a bicycle wheel. The motor has a bicycle hub including a hub shaft, a motor, and a motor control unit. The motor ' has a terminal. The motor control unit is provided in parallel with the motor in the axial direction of the hub axle, and has a circuit board directly connected to the terminal for controlling the motor. In this motor built-in bicycle hub, the terminal of the motor is directly connected to the circuit board of the motor control circuit. Therefore, electrical wiring between the motor and the circuit board is not required, and the connection of the electric wiring becomes easy, and power loss can be reduced. The motor-incorporated bicycle hub according to the second aspect of the invention is the motor-incorporated bicycle hub according to the first aspect of the invention, wherein the terminal extends in parallel with the hub axle. In this case, the length of the terminal can be the shortest. In the motor-incorporated bicycle hub according to the invention of claim 3, the bicycle hub is incorporated in the motor, and further includes a partition wall portion. The motor ' has a coil portion connected to the terminal. The partition portion ' is provided between the coil portion and the circuit board. The terminal is a through wall portion. In this case, the coil portion of the motor and the circuit board can be disposed in different spaces by the partition portion. Therefore, the heat of the coil portion can be conducted toward the partition portion, the conduction to the circuit board can be reduced, and the control of the motor can be stably performed by the control portion. In the motor-incorporated hub of the invention, the motor-incorporated bicycle hub of the invention 3 has a through hole -6-201208939 in which the terminal penetrates in the partition portion, and the base end portion of the terminal is insulated. The resin is stamped 'in the through hole. In this case, the base end portion of the terminal that is connected to the circuit board through the through hole is provided in the through hole in a state where the resin is molded by the insulating resin. Therefore, contact between the terminal and the partition portion can be prevented. According to a fifth aspect of the present invention, in the bicycle-mounted hub of the invention, the bicycle hub of the invention 3 or 4 is provided, and the partition portion is connected to the hub shaft non-rotatably. In this case, since the partition wall portion that is non-rotatably connected to the hub shaft that is restricted by the rotation of the frame is supported by the coil portion, the support of the coil portion and the division of the space can be simultaneously performed. The motor-incorporated bicycle hub according to the invention of claim 3, wherein the motor-incorporated bicycle hub according to any one of the inventions 3 to 5 further includes a motor casing that holds the partition wall portion and is formed by the motor control unit. 1 space and a second space in which the coil portion is housed. In this case, the motor control unit and the coil unit can be disposed by dividing the first space and the second space by the partition portion. The motor-incorporated bicycle hub according to the seventh aspect of the invention is the motor-incorporated bicycle hub according to any one of the inventions 3 to 6, wherein the circuit board has the first electrical component on the first mounting surface and faces the first mounting surface. Arranged in the partition wall. In the partition wall portion, an arrangement recessed portion in which at least a portion of the first electric component is disposed is formed. In this case, the arrangement concave portion is formed in the partition wall portion, and at least a part of the first electric component is disposed in the arrangement concave portion. Therefore, the length in the hub axis direction of the hub 201208939 can be shortened. The motor-incorporated bicycle hub according to the eighth aspect of the invention is the motor-incorporated bicycle hub according to the seventh aspect of the invention, wherein a gap is provided between the first electric component and the partition wall portion. In this case, even if the motor vibrates, the vibration can be blocked by the gap without being transmitted to the first electric component. Therefore, the first electrical component is less susceptible to adverse effects due to vibration. The motor-incorporated bicycle hub according to the invention of the first aspect of the invention is the motor-incorporated bicycle hub according to the first or second aspect of the invention, wherein the circuit board has the first electrical component on the first mounting surface and the first mounting surface facing the motor. . In this case, since the first electric component is disposed on the first mounting surface on the motor side, a larger number of first electric components can be disposed on the circuit board disposed in the narrow space. The motor-incorporated bicycle hub according to the invention of claim 10, wherein the motor hub includes a bicycle hub having a plurality of opening and closing elements, and the opening and closing element is mounted on the motor hub. The second mounting surface on the opposite side of the first mounting surface. In this case, since the opening and closing element having a large amount of heat is disposed on the partition surface or the second mounting surface on the opposite side of the motor, the opening and closing element is disposed in the vicinity of the outer surface of the hub that is in contact with the outside air. Therefore, it is easy to cool the opening and closing elements. In the motor-incorporated bicycle hub according to the invention of the seventh aspect of the invention, the motor-mounted bicycle hub according to any one of the inventions 7 to 10, wherein the circuit board has the second electrical component on the second mounting surface opposite to the first mounting surface The dimension of the first electrical component in the direction parallel to the hub axis is larger than the second electrical component -8-201208939. In this case, since the first electric component having a large dimension in the hub axial direction is disposed in the disposition recessed portion, the hub axial direction of the hub can be shortened. [Effects of the Invention] According to the present invention, the terminals of the motor are directly connected to the circuit board of the motor control circuit. Therefore, the air wiring between the motor and the circuit board is not required, and the connection of the electric wiring is facilitated, and power loss can be reduced. [Embodiment] <Overall Configuration of Bicycle> In Fig. 1, a first aspect of the present invention is employed. The bicycle of the embodiment is an auxiliary bicycle that is assisted by human power driven by the motor built-in hub 10. The bicycle includes: a frame 101 provided with a frame body 102 and a front fork 103, a handle 104, a driving portion 105, a front wheel 10f, a rear wheel 106r, a front moving device 107f, and a rear brake device. 7r, and headlights 23, and taillights. The front fork 103 is swingably mounted on the front portion of the frame 102 about an inclined shaft. A motor built-in hub is attached to the front end of the front fork 103. The front brake device 〇7f and the rear brake device 〇7r are moved in contact with the wheel frames 121f and 12 1r of the front door 6f and the rear wheel 106r, respectively. In the frame 101, each of the saddle 111 and the handle portion 104 is attached. The drive unit 1〇5' has a crankshaft 116 that is rotatably supported by a hanger unit of a body -9-201208939 102 made of a body of a body of a body, and is fixed to A gear crankshaft 118a and a left crankshaft (not shown) at both ends of the crankshaft 116, a chain 119 that is hung on the gear crankshaft 118a, a gear 109 that is mounted on the rear hub 110 of the rear wheel 106r, and a front derailleur 108f And the rear derailleur 108r. The front derailleur 108f is one of three sprocket wheels that are mounted on the gear crankshaft 1 18 a by the chain 119. The rear derailleur 1 〇 8 r is one of, for example, nine sprocket wheels that are attached to the gear 1 〇 9 of the rear hub 1 1 架. The front derailleur l〇8f and the rear derailleur 1 0 8 r are all electrically driven, each having: an electric actuator, and a segment number sensor for detecting the occurrence of the shifting section, and controlling these The derailleur control unit. The driver's handle 115 is provided with a shift switch for instructing shifting, and the aforementioned dialer control portion controls the electric actuator in accordance with the operation of the shift switch. In the present embodiment, the front derailleur l〇8f and the rear derailleur l〇8r are electrically driven, but the front derailleur l〇8f and the rear derailleur l8r are driven by the pull wire and the shift lever. It is also possible to connect and pull the wire by the shift lever to be driven by the shifting. A carrier 112 is attached to the rear upper portion of the frame body 102. In the carrier 112, a carrier assembly 13 including an integral control unit 12 for controlling the entire electrical component of the bicycle is provided. The carrier unit 13 is a power storage unit 14 that detachably mounts a power source that is an electric component such as the motor built-in hub 10, the overall control unit 12, and the headlights 23. The power storage unit 14 is a battery including, for example, a hydrogen storage battery or a lithium ion battery. The tail light 24 is integrally attached to the power storage unit 14. The handle portion 104' has a handlebar -10- 201208939 riser 114 fixed to the upper portion of the front fork 1〇3, and a handlebar type 肆 1 1 5 fixed to the handlebar riser 114. At the two ends of the driver's handle 1 15 , there are: a left brake lever i 6f and a brake lever 16 6 r. Further, in the central portion of the driver's handle 115, a component 18 and a headlight 23 are mounted. The display unit 丨8 can display an operation mode such as a directional and kinetic energy recovery brake mode. <Motor built-in hub> The motor built-in hub 10 is a front wheel l〇6f constituting a bicycle. The motor built-in hub 10' is attached to the front end of the front fork 103 and is used to drive the user. The motor built-in hub 10 is, for example, a 3-phase & brush DC motor. The motor built-in hub 1 is a hub axle 15 and a motor casing 17 mounted on the hub axle 15, as shown in Fig. 2 . Further, as shown in Fig. 3, the built-in hub 1 includes a motor 1 1 housed in the layer 17 and a motor control circuit (an example of a motor control unit and a rotation transmission mechanism 25). The valley shaft 15 is, for example, made of steel and is non-rotatably attached to both ends of the front end portion l3a of the tip end of the i-fork 103. One pair of left and right sides is formed on the outer peripheral surface of the hub shaft 15 The first male screw portion 15 a and the second f portion 15 b are screwed together with a nut member for fixing to the front fork 103 , and the first male screw portion 15 a and the second male screw portion 15 b The outer portion 11 is formed with a first locking portion 15c and a first stopping portion 15d having two surfaces parallel to each other. The opening and the right side of the second locking portion 15d are shown in the hub axis direction.丨 丨 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达The locking portion 15e is rotated. The first male screw portion 15a is screwed with a nut member 50 and a lock nut 51. The second male screw portion 15b is screwed with a nut member 50 and a nut member 52 that fixes the first case member 32 to the hub axle 15. In the axial direction of the nut member 50, a rotation preventing washer 54' is attached to the first locking portion i5c and the second locking portion 15d so as to be non-rotatably engaged with each other, and is engaged with the front fork 1 The groove 103b of the crucible 3 is used to stop the hub shaft 15. The third male screw portion 15f' is formed in the hub axis direction of the first male screw portion 15a. The third male screw portion I5f is screwed with the second end of the second housing member 34, which will be described later, of the motor housing 17 The second bearing 31 that is freely supported. The intermediate portion of the hub axle 15 has a larger diameter than the first male screw portion 15a and the second male screw portion 15b. <Motor housing> As shown in Figs. 2, 3, 4, 5, and 6, the motor case 17 has a first case member that is non-rotatably coupled to the hub shaft 15 32. The first end (the right end of FIG. 3) and the second end (the left end of the third figure) are rotatably supported by the first case member 32 and the second case member 34 of the hub axle 15. The second case member 34 is formed of, for example, an aluminum alloy. The first case member 32 has a recessed portion 32a formed on the outer side surface and accommodating the tip end portion of the front fork 1 〇3. Further, the first case member 32 is formed with a recessed portion 32a and has a bulging portion 32b that bulges outward in the direction of the hub axis. A first space 32c is formed in the inner portion of the bulging portion 32b. A second space 3 4 a is formed inside the second case member 34 and the first case member -12-201208939 32. The first case member 32 has a case body 36 that is non-rotatably attached to the hub axle 15, and a cover member 38 that is fixed to the outer side surface of the case body 30 by a plurality of (for example, five) mounting bolts 37. A first space 3 2 c is formed between the cover member 38 and the case body 36. The case body 36 and the cover member 380 are formed, for example, of an aluminum alloy. The case body 3 6 ′ has a first hub portion 36a that is non-rotatably coupled to the hub axle 15 and a circular partition wall portion 36b that is formed integrally with the first hub portion 36a and the partition wall portion 36b. The cylindrical first cylindrical portion 36c that extends toward the second case member 34 is formed on the outer peripheral portion. On the inner circumferential surface of the first hub portion 36a, a non-circular coupling hole 3 6 d that is non-rotatably coupled to the rotation locking portion i5e of the hub axle 15 is formed. The outer side surface of the partition portion 36b is a substantially flat surface. Further, a plurality of mounting boss portions 36e projecting outward in the direction of the hub axle 15 are formed on the other side surface. The motor control circuit 19 is fixed to the mounting boss portion 36e by the mounting bolts 53 in the partition wall portion 36b, as shown in Fig. 8. As shown in the figure, a plurality of (for example, six) arrangement recesses 43a in which a first electric component 47 to be described later, which is attached to the motor control circuit 19, is disposed. The recessed portion 43a is a recess that penetrates the inside of the partition portion 36b. Further, in the partition portion 36b, a plurality of (for example, three) terminal openings (an example of through holes) 43b for exposing the terminal 26 of the motor 1 1 to the first space 32c are formed. The inner circumferential surface 30a of the first -13-201208939 bearing 30 in the form of a ball bearing that rotatably supports the first end of the second case member 34 is attached to the outer circumferential surface of the first cylindrical portion 36c. A seal member 30c that seals between the first cylindrical portion 36c and the outer ring 30b is disposed outside the first bearing 30. Further, a ring-shaped ring 60 for sealing is disposed between the outer ring 3 Ob and the second case member 34. Further, an O-ring 61 for sealing is disposed between the inner peripheral portion of the first boss portion 36a and the hub axle 15. With this, the foreign matter is less likely to enter the outer peripheral surface of the tip end portion of the first cylindrical portion 36c from the outer side of the first case member 32 toward the second space 34a in the second case member 34, and the first cylindrical portion 36c The cylindrical gear mounting portion 35 that is non-rotatably coupled is fixed by a bolt member. The internal gear 44 8 to be described later is non-rotatably coupled to the inner circumferential surface of the gear mounting portion 35. The lid member 38 has the above-described concave portion 32a and bulging portion 3 2b on the outer side surface. In the inner side surface of the cover member 38, between the cover member 38 and the case body 36, a sealing member 62 for suppressing the penetration of liquid into the space in which the motor control circuit 19 is disposed is disposed. The sealing member 62 is disposed on the outer side of the recess 32a and the outer peripheral portion of the bulging portion 32b on the inner side surface of the cover member 38. The sealing member 62 is formed of rubber or the like having water repellency and plucking property. The sealing member 62 is attached to the seal groove 36f formed on the outer surface of the partition portion 36b of the case body 36 as shown in Figs. 3 and 6 . The concave portion 32a is formed in a substantially U-shaped recess as shown in Figs. 2 and 4, and in the present embodiment, the central portion penetrating from the hub shaft 15 is slightly U-shaped in a relatively wide manner. The depression is formed. The concave portion 32a is formed to be slightly wider than the shape of the front end of the normal front fork in order to be inserted into the front forks of various shapes. -14- 201208939 The first space 3k formed by the case body 36 and the cover member 38 is formed in a substantially horseshoe shape on the outer side of the partition portion 36b. In the first space 32c, a motor control circuit 19 fixed to the partition portion 36b is disposed. A sheet mounting groove 32d of the motor control circuit 19 is formed on the inner side surface of the bulging portion 32b. The sheet mounting groove 32d is provided at a position facing the plurality of second electric components (particularly, the electric field effect transistor 44a) 44 to be described later, and the heat radiating member, that is, the heat radiating fin 80 is positioned and installed. The sheet mounting groove 32d has the same shape as the heat releasing sheet 80. In one of the edge portions of the recessed portion 32a, the wiring connecting portion 38a is formed to protrude outward in the circumferential direction of the case body 36. The wiring connecting portion 38a is formed to be slightly recessed toward the hub axis direction than the bulging portion 32b. The wiring connecting portion 38a is provided to take out the motor control circuit 19, the entire control unit 12, and the two-core power line 70 (second drawing) that connects the power storage unit 14 to the outside. The wiring connecting portion 38a is a connector 41 having a connectable power line 70. Further, in this embodiment, the power line 70 is constituted by a PLC (Power Line Communications), which supplies power and signals. At the tip end of the wiring connecting portion 38a, a connector 41 (Fig. 2) is provided. The connector 41 is, for example, a 2-core female connector. The wiring connecting portion 38a is formed so as to be close to the rear portion of the front fork 1〇3 and arranged along the front fork 103 as shown in Fig. 1 . The second case member 34 is a member similar to the hub cover of a conventional bicycle hub, and is a member having a bottomed cylindrical portion. The second case member 34 has a second boss portion 34b supported by the second bearing 31, a disc portion 34c integrally formed with the second boss portion 34b, and an outer peripheral portion of the disc portion 34c. 15-201208939 The second cylindrical portion 34d' which extends in a cylindrical shape in the hub axis direction is provided with the second bearing 31 on the inner circumferential surface of the second boss portion 34b. The second bearing 31 is adjustable by screwing the third male screw portion 15f of the inner hub 3 hub shaft 15. The adjusted inner ring 31a is attached to the inner peripheral surface of the second hub portion 34b by the lock nut 51 being 31b. In the outer side, the sealing member 31c that surrounds the second hub portion 34b and the inner wheel 3 1a is disposed. Further, the O-ring 65 is disposed between the inner circumferential surface of the inner ring 31a and the surface of the hub. Therefore, foreign matter is less likely to occur: the second end side of the member 34 intrudes into the second space 34a. The second cylindrical portion 3 4d is disposed on the first cylindrical portion side. An outer ring 30b of 30 is attached to the inner peripheral surface of the first end side of the second cylindrical portion 34d. In the outer peripheral surface 122 of the second cylindrical portion 34d, the wheel frame 121f of the front wheel 16f and the motor built-in hub first hub flange 40a and the second hub flange 40b are spaced apart from each other at both ends of the wheel. form. Since the distance between the first space 32c and the second space 34a is 3 6b ', the heat of the coil portion can be transmitted to the circuit board by the partition portion 36b, and the control portion can be stably formed. <Motor Control Circuit> The motor control circuit 19 is the substrate 42 as shown in Figs. 6 and 7. The circuit board 42 is mounted between the shafts ^ 15 of the hub axle 15 and 1 a and the shaft shaft 15 is stopped in the axial direction. The outer seal of the outer ring 2 bearing 31 has a first bearing from the outer circumference of the second shell 36c on the outer circumference of the first shell 36c, and a partition wall portion is provided in the hub axis direction for connecting the spokes 1 ,, and the motor can be reduced. The indications have a wire orientation with the horse-16-201208939 up to 1 1 side by side setting. That is, the circuit board 42 is provided in parallel with the motor 11 in a direction parallel to the hub axle I 5 . The circuit board 42 has a first mounting surface 42a that faces the partition portion 36b and a second mounting surface 42b that faces the cover member 38. In the first mounting surface 42a, a plurality of first electrical components 47 are attached. The first electric component 47 is, for example, a plurality of (for example, five) capacitors 47a for smoothing and noise removal, a transformer 47b, and the like. In addition to the first electrical component 47, other electrical components may be attached to the first mounting surface 42a. As shown in Fig. 3, the first electric component 47 is disposed in a part of the arrangement concave portion 43a and is disposed with a gap from the partition wall portion 36b. In the second mounting surface 42b, a plurality of second electric components 44 are attached, and a plurality of second electric components 44 are provided as shown in Fig. 6, and the inverter circuit 19a and the power line communication circuit 19b are formed. The inverter circuit 19a converts the DC opening and closing supplied from the power storage unit 14 into an alternating current. The inverter circuit 19a changes the driving force of the motor built-in hub 1 将 when the load duty ratio is changed, and changes the kinetic energy recovery braking force when the motor built-in hub 1 〇 is used as a generator. The inverter circuit 19a is connected to a terminal 26 of a motor 11 which will be described later. The inverter circuit 19a includes a plurality of (e.g., six) electric field effect transistors (FETs) 44a and other electrical components. The complex electric field effect transistor 44a is disposed in contact with the heat release sheet 80. Thereby, a part of the heat generated by the electric field effect transistor is conducted to the cover member 38 through the heat radiation sheet 80, and can be discharged from the cover member 38 to the outside. The height of the first electric component 47 (an example of the dimension in the direction parallel to the hub axle 15) is higher than that of the second electric component -17-201208939. <Motor> The motor 11 has a rotor 21 and a stator 22 that faces the rotor 2 on the outer circumferential side of the rotor 2, and three terminals 26 as shown in Fig. 3 . The rotor 21 is disposed in the second space 34a and rotatably supported by the hub axle 15. The rotary member 21' has, for example, a magnet 2 1 a ' having a plurality of magnetic poles in the circumferential direction and a magnet holding portion 21b for holding the magnet 2 1 a. The magnet holding portion 21b is rotatably supported by the hub shaft 15° by the two bearings 66 arranged at intervals in the hub axis direction, and is disposed in the rotating member 21 in the second space 34a. The outer peripheral side. The stator 22 is a partition wall portion 36b that is supported by the case body 36, and has a plurality of (for example, six) coil portions 46 » stators 22 (not shown) that are arranged at intervals in the circumferential direction. In this embodiment, The three bolt members are fixed to the partition portion 36b. The plurality of coil portions 46 are sequentially excited by the alternating current that is turned on and off by the electric field effect transistor 44a of the inverter circuit 19a of the motor control circuit 19, and rotates the rotary member 2 1 in the traveling direction of the bicycle. As shown in Fig. 9, the coil portion 46 of the stator 22 is molded together with the base end portion 26a of the terminal 26, and is made of an insulating resin member 55 shown by a dot in Fig. 9. The terminal 26 is connected to the coil portion 46 and is provided in the terminal opening 43b. The terminal 26 extends in parallel with the hub axle 15. The tip end portion 26b of the terminal -18-201208939 26 is disposed in the first space 32c. The tip end portion 26b of the terminal 26 is directly electrically connected to the wiring formed on the circuit board 4 2 by an appropriate connection means such as soldering to the three terminal connection holes 42c' provided in the circuit board 42. <Rotation Communication Mechanism> The rotation transmission mechanism 25 transmits the rotation of the rotor 21 to the second case member 34, and transmits the rotation of the second case member 34 to the rotor 21. The rotation transmitting mechanism 25 has a planetary gear mechanism 48. The planetary gear mechanism 48' includes a sun gear 48a, an internal gear 48b disposed on the outer circumferential side of the sun gear 48a, and a plurality (for example, three) of planetary gears 48c that mesh with the sun gear 48a and the internal gear 48b. The sun gear 48a is fixed to the rotary member 21. The internal gear 48b is provided in the case body 36. The plurality of planetary gears 48c are rotatably supported by the pinion bracket 48d. Each of the planetary gears 48c has two first and second gear portions having different numbers of teeth. The first gear portion meshes with the sun gear 48a, and the second gear portion meshes with the internal gear 48b. The pinion bracket 48d is fixed to the inner side surface of the second disc portion 34c of the second case member 34. In the planetary gear mechanism 48, since the internal gear 48b provided in the casing body 36 is non-rotatably fixed to the hub axle 15, the rotation of the sun gear 48a to which the rotor 21 is coupled is decelerated to the second. Shell member 34. <Assembling Procedure of Motor Built-in Hub> When the motor built-in hub 10 is incorporated in the front fork 103, the hub shaft 15 -19-201208939 is mounted on the front claw portion 103a of the front end of the front fork 103. 103b. At this time, since the tip end portion of the front fork 103 can be disposed in the recess 32a recessed toward the cover member 38 of the first case member 32 of the motor built-in hub 10, the mounting portion of the front fork 103 of the motor case 17 is disposed. The length will not be longer. Further, since the bulging portion 32b is provided outside the concave portion 32a in the radial direction and the motor control circuit 1 is provided in the bulging portion 32b, even if the motor control circuit 19 is provided inside, the mounting to the front fork 103 is provided. The length of the bicycle hub for the motor in some parts will not be longer. Therefore, it is easy to design the motor-incorporated hub 10 which can be mounted on the front fork 103 of the existing hub mounting width. When the hub shaft 15 is attached to the installation groove 103b, the nut member 50 is attached from both ends thereof, and the rotation preventing washer 54 is engaged with the installation groove 103b to stop the hub shaft 15. When the nut member 50 is screwed in this state, the motor built-in hub 10 is fixed to the front fork 103. <Other Embodiments> The embodiments of the present invention have been described above, but the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit and scope of the invention. (a) In the foregoing embodiment, the brushless DC motor is exemplified, and the present invention can also be applied to a brush motor that is a wire-turning portion. In this case, the motor-driven motor control circuit is provided in the bulging portion by the kinetic energy recovery drive function and the frequency shifting, and the motor terminal is directly connected to the motor control circuit. (b) In the foregoing embodiment, the motor Although the built-in hub 10 is not provided with a connection structure of the wheel -20-201208939 丨 hub brake device, a connection structure may be provided. For example, the connecting structure of the drum or the disc brake for integrally connecting the Palin brake may be provided on the outer peripheral surface of the second boss portion 34b. (c) The mechanical configuration of the motor 11 is not limited to the above configuration. For example, in the foregoing embodiment, although the motor of the inner rotor is used, the motor of the outer rotor may be used. (d) In the foregoing embodiment, the partition portion 36b is provided and the stator is fixed there, but the present invention is not limited thereto. The stator may be fixed to the inner circumferential surface of the first cylindrical portion 36c, and the hub shaft may be supported by the cover member. In this case, the circuit board is fixed to the cover member side, and the terminal of the motor is connected to the direct circuit board. (e) In the above embodiment, the arrangement concave portion 43a is constituted by the hole penetrating the partition wall portion 36b, but the present invention is not limited thereto. For example, the recessed portion 43a may be a recess that does not penetrate the partition portion 36b. BRIEF DESCRIPTION OF THE DRAWINGS [Fig. 1] A right side view of a bicycle according to an embodiment of the present invention 第 [Fig. 2] A right side view of a built-in hub of a motor. [Fig. 3] A cross-sectional view of the cut surface line ΙΙΙ-ΠΙ of Fig. 2 of the motor built-in hub. [Fig. 4] Left perspective view of the built-in hub of the motor. [Fig. 5] Right perspective view of the built-in hub of the motor. [Fig. 6] An exploded perspective view of the built-in hub of the motor. -21 - 201208939 [Fig. 7] A plan view showing the mounting surface of the circuit board. [Fig. 8] A view showing the positional relationship between the motor and the casing body. [Fig. 9] A cross-sectional view of the motor. [Description of main component symbols] 10: Motor built-in wheel 1 1 : Motor 1 2 : Overall control unit 1 3 : Carrier frame 14 : Power storage unit 15 : Hub axle 1 5 a : First male screw portion 15 b : 2 male screw portion 15c: first locking portion 15d: second locking portion 15e: rotation locking portion 1 5 f : third male screw portion 1 6 f : left brake lever 16r: right brake lever 1 7 : motor housing 1 8 : Display unit 1 9 : Motor control circuit 19a : Inverter circuit 1 9 b : Power line communication circuit -22- 201208939 2 1 : Rotating member 2 1 a : Magnet 2 1 b : Magnet holding portion 22 : Stator 23 : Front Light 2 4 : Tail light 25 : Rotation transmission mechanism 26 : Terminal 26 a : Base end portion 26 b : Tip end portion 30 : First bearing 3 〇 a : Inner wheel 3 〇 b : Outer wheel 3 〇 c : Sealing member 3 1 : 2nd Bearing 3 1 a : inner wheel 3 1 b : outer wheel 3 1 c : sealing member 3 2 : first case member 3 2 a : recess 32b : bulging portion 3 2c : first space 3 2d : sheet mounting groove 3 4 : 2nd case member -23 - 201208939 3 4a : 2nd space 3 4b : 2nd hub part 34c: 2nd disk part 34d: 2nd cylindrical part 35: Gear mounting part 36: Shell body 3 6a : 1st Hub portion 3 6b : partition wall portion 36 c : first cylindrical portion 3 6 d : connecting hole 36e: mounting hub portion 3 6 f : sealing groove 3 7 : mounting bolt 3 8 : cover member 3 8 a : wiring connecting portion 40a: first hub flange 40b: second hub flange 41: connector 42: circuit board 42a: first mounting surface 42b: second mounting surface 42c: terminal connection hole 43a: arrangement recess 4 3 b : terminal opening 201208939 44 : second electric component 44a : electric field effect transistor 46 : coil portion 47 : first electric Element 47a: Capacitor 47b: Transformer 48: Planetary gear mechanism 48a: Sun gear 4 8 b: Internal gear 4 8 c: Planetary gear 48d: Pinion carrier 50: Nut member 5 1 _·Lock nut 52: Nut Member 5 3 : mounting bolt 5 4 : anti-rotation washer 55 : resin member 6 0 : Ο ring 61 : 0 ring 6 2 : sealing member 65 : Ο ring 66 : bearing 7 0 '· power line 8 0 '· radiating heat片-25 201208939 101 : 102 : 103 : 103 a 103b 104 : 105: 1 06f 1 06r 1 07f 1 07r 1 08f 1 08r 109 : 110: 111: 112: 114: 115: 116: 118a 119: 1 2 1 f 122 : Frame frame body front fork front claw part: installation of the ditch handle part drive part: front wheel: rear wheel = front brake device: rear brake device front dial Chain: Rear derailleur Gear Rear hub Saddle Carrier Riderbar handlebar Crankshaft: Gear crankshaft Chain: Wheel frame Spoke wire -26