201203814 六、發明說明： <? 【發明所屬之技術領域】 本發明係關於一種馬達及具有該馬達之散熱風扇， 特別是關於一種具有較佳散熱能力之馬達及具有該馬達之 散熱風扇。 【先前技術】 習知馬達9 ’請參照第1圖所示，其包含一第一殼體 91、一第二殼體92、一定子93、一轉子94及一電路板 95。該第一殼體91具有一容置空間911，該第二殼體％ 結合於該容置空間911之開口，該定子93設置於該容置 空間911内。該轉子94則可轉動的穿過該第一殼體92設 置於該定子93之中心位置。該電路板95之一表面係抵靠 在一結合肩部921上，該電路板95之另一表面則被該蓋 板922抵壓，由於該蓋板922係為金屬材質製成，因此該 電路板95與蓋板922之間必須額外置入一絕緣板96，以 避免該電路板95短路。其中，該電路板95係電性連接該 定子93。藉此，可利用該電路板95控制該定子93帶動 該轉子94旋轉作動。 在實際使用上’隨著習知馬達9持續運作，使得該 定子93、電路板95上之電子元件951及數個軸承97等 馬達構件的溫度亦逐漸升高。因此，習知馬達9在設計上 係讓該電路板95之相對二表面分別留有氣室，以便讓各 該電子元件951所產生之熱能得以散逸至該氣室内，並藉 由氣體對流或者熱傳導方式透過該金屬製之蓋板922與外 201203814 ^進行熱交換，達到降低f知馬達9之整體運作溫度的目 然而，由於前述電路板95與該金屬製的蓋板922之 間受到該絕緣板96的阻隔，板 之 At ^ ^ 耵丨知且該絕緣板96大都由低導埶 能力之電㈣材科製成，例如··聚氣 戈= 乙烯（ps)，因此該絕緣柘9“土士坪、VL)林本 蚀道η 緣板96無法有效率的直接將熱能 ==上進行熱交換，僅能間接以該氣室内之201203814 VI. Description of the Invention: <Technical Field of the Invention> The present invention relates to a motor and a cooling fan having the same, and more particularly to a motor having a preferred heat dissipation capability and a heat dissipation fan having the same. [Prior Art] A conventional motor 9', as shown in Fig. 1, includes a first housing 91, a second housing 92, a stator 93, a rotor 94, and a circuit board 95. The first housing 91 has an accommodating space 911. The second housing is coupled to the opening of the accommodating space 911. The stator 93 is disposed in the accommodating space 911. The rotor 94 is rotatably disposed through the first housing 92 at a central position of the stator 93. One surface of the circuit board 95 abuts against a joint shoulder 921, and the other surface of the circuit board 95 is pressed by the cover plate 922. Since the cover plate 922 is made of a metal material, the circuit is An insulating plate 96 must be additionally disposed between the board 95 and the cover 922 to prevent the circuit board 95 from being short-circuited. The circuit board 95 is electrically connected to the stator 93. Thereby, the circuit board 95 can be used to control the stator 93 to rotate the rotor 94. In actual use, as the conventional motor 9 continues to operate, the temperature of the motor member such as the stator 93, the electronic component 951 on the circuit board 95, and the plurality of bearings 97 is gradually increased. Therefore, the conventional motor 9 is designed such that the opposite surfaces of the circuit board 95 are respectively provided with air chambers so that the thermal energy generated by each of the electronic components 951 can be dissipated into the air chamber by gas convection or heat conduction. The heat exchange between the metal cover 922 and the outer 201203814 is achieved, so as to reduce the overall operating temperature of the motor 9, however, since the insulating plate is received between the circuit board 95 and the metal cover 922. The barrier of 96, At ^ ^ of the board knows that the insulating board 96 is mostly made of electric (four) materials with low conductivity, such as · · 聚 戈 = ethylene (ps), so the insulation 柘 9 " soil Shiping, VL) Linben eclipse η edge plate 96 can not directly exchange heat energy == on the heat exchange, only indirectly in the gas chamber
氣體作為熱傳導媒介將熱能散逸至外界，導致f知馬達9 之整體散熱效率健’而無法有效降低馬達運作時的内部 溫度’容易造成整個馬達因溫度太高，使得使用壽命減 短’甚至於無法運轉。基於上述仙，其確實有必要進一 步改良前述習知馬達9。 【發明内容】 本發明係提供一種馬達及具有該馬達之散熱風扇， 係能夠提升其整體散熱效率，並有效降低運轉溫度，為本 發明之發明目的。 本發明係提供一種馬達及具有該馬達之散熱風扇， 係月b夠保護其内部電路板上之電子元件，延長使用壽命， 為本發明之另一.目的。. 根據本發明之馬達，係包含一基座、一定子、一轉 子、一電路板及一導熱絕緣體。該基座設有一散熱底板， 該定子設置於該基座，且該轉子可轉動的結合該基座，且 與該定子相對位。該電路板結合該基座，並電性連接該定 子。該導熱絕緣體設置於該電路板及散熱底板之間，且分 201203814 別與該電路板之一表面及散熱底板相抵接。 根據本發明具有該馬達之散熱風扇，係包含一扇 框、一基座、一定子、一轉子、一電路板及一導熱絕緣 體，該扇框設有一入風口及一出風口。該基座以數個連接 件連接該扇框’該基座設有一散熱底板：該定子設置於該 基座°該轉子則可轉動的結合該基座，且與該定子相對 位，該轉子之外周面另設有數個葉片。該電路板結合該基 座，並電性連接該定子。該導熱絕緣體設置於該電路板及 散熱底板之間，且分別與該電路板之一表面及散熱底板相 抵接。 本發明之馬達主要藉由在該散熱底板及電路板之間 填設該導熱絕緣體，該導熱絕緣體自身的高導熱能力及電 絕緣特性不但能避免該散熱底板導致該電路板短路的情況 發生’更可讓該電路板產生的熱能有效率的被熱交換至該 散熱底板，並散逸至外界，其確實能夠有效提升馬達之整 體散熱效率，並增加馬達使用壽命。 【實施方式】 為讓本發明之上述及其他目的、特徵及優點能更明 顯易懂，下文特舉本發明之較佳實施例，並配合所附圖 式，作詳細說明如下： 請參照第2及3圖所示，本發明第一實施例之馬達 係選自一内轉子馬達1作為實施樣態說明，其包含一基座 11、一定子12、一轉子13、一電路板14及一導熱絕緣體 15。該基座11可供結合該定子12 ;該轉子13可旋轉地 201203814 結合該基座11 ;該電路板14及導熱絕緣體I〗設置於該 基座11内；藉此，利用該定子12驅動該轉子13旋轉作 動。 該基座11係包含一第一本體111、一第二本體112 及一散熱底板113，該第一本體111為一中空殼件，其具 有一組裝空間1110、一軸孔1111及一組裳口 1112，該軸 孔1111及組裝口 1112分別位於該組裝空間mo之頂部 及底部。該第二本體112係經由該組裝口 m2對位結合 於該組裝空間1110内，該第二本體112之頂、底部分別 設有一容槽1121及一容室1122,該容槽1121用以供容 置一軸承B。該容室1122係相對該第二本體112之底部 形成一開口 1123,且該容室1122内壁面於靠近該開口 1123處設有一結合肩部1124。該散熱底板113較佳係選 擇由具尚導熱能力之金屬材質製成，例如：銅或鋁等，該 散熱底板113對位設置於該開口 1123 ’用以封閉該容室 1122。 該定子12包含一架體121及數個線圈122。該架體 121叹有一容置孔1211 ;該線圈122係結合該架體丨21且 環繞該容置孔12U，其巾各魏圈122可如圖所示結合 於該架體121之内側面。又，該定子12另設有數個導通 件123 ’該導通件123對應各該軸122穿設於該架體 121上，且各該導通件123之一端朝該電路板14延伸凸 出。各該導通件123較佳由具有高導熱能力之材質製成。 該轉子13包含一轉動件13卜-轉軸132及-永久 磁鐵133 ’該轉動件131中心位置設有-齡131卜該轉 201203814 軸132之一端結合於該軸座1311，其另一端則穿過該架 體121之容置孔1211，且可轉動的與該容槽1121内之軸 承B相結合。該永久磁鐵結合於該轉軸之外周 面，該結合方式可採用如緊配合、卡扣、黏合或其他可^ 到相同固定效果的技術手段。該永久磁鐵133係位於該容 置孔1211内，並與該數偭線圈122相對。 請參照第3及4圖所示’該電路板14係為一般習知 的印刷電路板（PCB)，該電路板14容置於該容室1122 内，且其外周緣對位抵靠於該容室1122之結合肩部1124 ，使得該散熱底板113與該電路板14之間形成一第一空 間A1。該電路板14設有數個通孔141及數個電子元件 142 (例如：驅動電路、電晶體或被動元件等），該數個通 孔141係分別貫穿該電路板14之相對二表面，各該導通 件123之一端則分別對位延伸穿過各該通孔i4i，並與該 電路板14相互焊接導通’使得該電子元件142能夠與該 定子12之線圈122亦形成電性導通。 、 該導熱絕緣體15係選擇由高導熱能力之電絕緣材料 所製成’且較佳為熱雜材質，例如4烯酸樹脂、石夕膠 或其他鄉複合材料等，其t更可赠述熱固性材質中添 加陶究物末或具⑨導熱能力之金屬粉末，以提升其散執效 率。該導級_ 15容置於魏熱絲113及電路板14 之間的第-空間A1内’且阻隔於該散熱底板⑴及電路 板14之間，使其二者無法相互電性接觸。該導熱絕緣體 15具有-^熱表® 151及一熱交換表面152，該吸熱表面 ⑸及熱交換表面〗52分別為該導熱絕雜15之相對二 201203814 侧面。另外，該導熱絕緣體15之形狀較佳係對應相同於 該第一空間A1之輪廓形狀，以便該導熱絕緣體15容置 於該第一空間A1時該吸熱表面151及熱交換表面152能 夠分別與該電路板14及散熱底板113相抵接。 請參照第4圖所示，本發明第一實施例之内轉子馬 達1於實際使用時’該定子12之線圈122、電路板14之The gas acts as a heat transfer medium to dissipate heat energy to the outside world, resulting in the overall heat dissipation efficiency of the motor 9 being unable to effectively reduce the internal temperature of the motor during operation. It is easy to cause the entire motor to be too hot, resulting in a shortened service life. Running. Based on the above, it is indeed necessary to further improve the aforementioned conventional motor 9. SUMMARY OF THE INVENTION The present invention provides a motor and a cooling fan having the same, which is capable of improving the overall heat dissipation efficiency and effectively reducing the operating temperature, which is an object of the present invention. The present invention provides a motor and a cooling fan having the same, which is capable of protecting electronic components on the internal circuit board thereof and prolonging the service life, and is another object of the present invention. The motor according to the present invention comprises a base, a stator, a rotor, a circuit board and a heat conducting insulator. The base is provided with a heat dissipation base plate, the stator is disposed on the base, and the rotor is rotatably coupled to the base and is opposite to the stator. The circuit board is coupled to the base and electrically connected to the stator. The thermal conductive insulator is disposed between the circuit board and the heat dissipation substrate, and is not in contact with one surface of the circuit board and the heat dissipation substrate according to 201203814. The heat dissipating fan having the motor according to the present invention comprises a frame, a base, a stator, a rotor, a circuit board and a heat conducting insulator, and the fan frame is provided with an air inlet and an air outlet. The base is connected to the fan frame by a plurality of connecting members. The base is provided with a heat dissipating bottom plate. The stator is disposed on the base. The rotor is rotatably coupled to the base and is opposite to the stator. The rotor is There are also several blades on the outer peripheral surface. The circuit board is coupled to the base and electrically connected to the stator. The thermally conductive insulator is disposed between the circuit board and the heat dissipation substrate, and is respectively in contact with a surface of the circuit board and the heat dissipation substrate. The motor of the present invention mainly fills the heat-dissipating insulator between the heat-dissipating substrate and the circuit board, and the high thermal conductivity and electrical insulating property of the heat-conducting insulator itself can prevent the heat-dissipating substrate from causing a short circuit of the circuit board. The heat generated by the circuit board can be efficiently exchanged to the heat dissipation substrate and dissipated to the outside, which can effectively improve the overall heat dissipation efficiency of the motor and increase the service life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more < As shown in FIG. 3, the motor of the first embodiment of the present invention is selected from an inner rotor motor 1 as an embodiment, and includes a base 11, a stator 12, a rotor 13, a circuit board 14, and a heat conduction. Insulator 15. The base 11 is adapted to be coupled to the stator 12; the rotor 13 is rotatably coupled to the base 11 at 201203814; the circuit board 14 and the thermally conductive insulator are disposed in the base 11; thereby, the stator 12 is used to drive the The rotor 13 is rotated. The base 11 includes a first body 111, a second body 112 and a heat dissipation bottom plate 113. The first body 111 is a hollow shell member having an assembly space 1110, a shaft hole 1111 and a set of skirts. 1112, the shaft hole 1111 and the assembly opening 1112 are respectively located at the top and bottom of the assembly space mo. The second body 112 is alignably coupled to the assembly space 1110 via the assembly port m2. The top and bottom of the second body 112 are respectively provided with a receiving slot 1121 and a receiving chamber 1122. Set a bearing B. The chamber 1122 defines an opening 1123 opposite to the bottom of the second body 112. The inner wall of the chamber 1122 is provided with a coupling shoulder 1124 near the opening 1123. Preferably, the heat dissipation substrate 113 is made of a metal material having thermal conductivity, such as copper or aluminum. The heat dissipation substrate 113 is disposed opposite the opening 1123 ′ to close the chamber 1122. The stator 12 includes a frame 121 and a plurality of coils 122. The frame body 121 has a receiving hole 1211. The coil 122 is coupled to the frame body 21 and surrounds the receiving hole 12U. The weaving ring 122 can be coupled to the inner side surface of the frame body 121 as shown. Further, the stator 12 is further provided with a plurality of conductive members 123. The conductive members 123 are disposed on the frame body 121 corresponding to the respective shafts 122, and one end of each of the conductive members 123 extends toward the circuit board 14. Each of the conductive members 123 is preferably made of a material having high thermal conductivity. The rotor 13 includes a rotating member 13-rotor 132 and a permanent magnet 133. The central portion of the rotating member 131 is provided with an age of 131. The turn 201203814 one end of the shaft 132 is coupled to the shaft seat 1311, and the other end passes through The frame body 121 accommodates the hole 1211 and is rotatably coupled to the bearing B in the cavity 1121. The permanent magnet is coupled to the outer circumference of the rotating shaft, and the bonding manner can adopt a technical means such as tight fitting, snapping, bonding or the like to achieve the same fixing effect. The permanent magnet 133 is located in the receiving hole 1211 and is opposite to the plurality of turns 122. Referring to FIGS. 3 and 4, the circuit board 14 is a conventional printed circuit board (PCB). The circuit board 14 is housed in the chamber 1122, and its outer circumference is aligned against the same. The shoulder portion 1124 of the chamber 1122 is formed such that a first space A1 is formed between the heat dissipation substrate 113 and the circuit board 14. The circuit board 14 is provided with a plurality of through holes 141 and a plurality of electronic components 142 (for example, a driving circuit, a transistor or a passive component, etc.), and the plurality of through holes 141 respectively penetrate the opposite surfaces of the circuit board 14, respectively. One end of the conductive member 123 extends through the respective through holes i4i and is electrically connected to the circuit board 14 so that the electronic component 142 can also be electrically connected to the coil 122 of the stator 12. The heat-conductive insulator 15 is made of an electrically insulating material having high thermal conductivity and is preferably a heat-doped material, such as a 4-acid resin, a stone rubber or other composite materials, etc., and the thermosetting property can be further mentioned. The material is added with a ceramic powder or a metal powder with a thermal conductivity of 9 to enhance its efficacious efficiency. The guide -15 is accommodated in the first space A1 between the heatsink 113 and the circuit board 14 and is blocked between the heat dissipation substrate (1) and the circuit board 14 so that the two cannot be electrically connected to each other. The heat conducting insulator 15 has a heat meter surface 151 and a heat exchange surface 152. The heat absorbing surface (5) and the heat exchange surface 52 are respectively opposite sides of the heat conducting impurities 15 201203814. In addition, the shape of the heat conducting insulator 15 preferably corresponds to the contour shape of the first space A1, so that the heat absorbing surface 15 and the heat exchange surface 152 can be respectively associated with the heat conducting insulator 15 when the first heat insulating body 15 is received in the first space A1. The circuit board 14 and the heat dissipation substrate 113 abut. Referring to Fig. 4, the inner rotor motor 1 of the first embodiment of the present invention is used in actual use, the coil 122 of the stator 12, and the circuit board 14
電子元件142及軸承B等構件容易因自身產生之熱能而 導致談内轉子馬達1之運作溫度持續升高。此時，由於該 導熱絕緣體15之吸熱表面151能夠持續吸收各該電子元 件142產生之熱能，並將所吸收之熱能經由該導熱絕緣體 15之熱交換表面152傳導至該散熱底板113上，藉此讓 該散熱底板113將該電子元件142產生之熱能透過熱交換 散逸至外界（如圖式内箭頭方向所示），達到降低該内轉 子馬達1之整體運作溫度的目的。 再者，該定子12之各導通件123亦可對應延伸穿過 該電路板Μ之各通孔141與該導熱絕緣體15相抵接，以 便該定子12之各線圈122所產生之熱能亦能夠經由該導 通件123料至料熱絕緣體15與外界進行熱交換（如 圖式内箭頭方向所示），藉此達到降低定子溫度的目的。 本發明第-實施例之馬達的主要特點在於：藉由在 該散熱底板113及電路板14之間魏該導熱絕緣體15， 之 該導熱絕_ 15自身的高導輪力及電崎特性不 ;免該:路板14短路的情況發生，更可讓該線圈122—及 電子元件142產㈣熱能有效率的被熱交換至該金屬製之 散熱底板113，其確實能夠改善習知馬達散熱效率^ 201203814 缺點，提升其整體散熱能力。 本發明第一實施例所揭示之内轉子馬達1另可應用 於各式散熱風扇結構，請參照5圖所示’其揭示該内轉子 馬達1應用於一軸流式風扇作為本發明第二實施例之實施 樣態說明，其中該第二實施例之散熱風扇包含該内轉子馬 達1及一扇框2，其中該内轉子馬達1之轉動件131設有 數個葉片1312 ’各該葉片1312係等間距排列設置於該轉 動件131之外周面。又，該電路板14定位於該容室1122 之結合肩部1124時’該電路板14除了與該散熱底板ι13 之間形成該第一空間A1之外，本實施例之電路板14與 該容室1122的一止擋壁1125之間亦形成一第二空間A2 ，該第二空間A2内另設置一辅助導熱絕緣體16。該辅助 導熱絕緣體16之形狀較佳係對應相同於該第二空間A2 之輪廓形狀，或者亦可直接將該輔助導熱絕緣體16填入 該第二空間A2内，以便該辅助導熱絕緣體16容置於該 第二空間A2肖，該辅助導熱絕緣體16之—表面能夠抵 接於該電路板14之-表面上。再者，該辅助導熱絕緣體 16係同樣選擇由高導熱能力之電絕緣材料所製成，且較 佳為熱固性材質。. ㈣’网框2可選用塑膠材料或者以金屬材料製 成，該扇框2係具有-入風口 21及一出風口 ^，該入風 及出風口22之間形成-氣流通道。又，該扇框2與 =座^之第-本體m之間可_數個連接件23相互 連接:各該連接件23係可以選自肋條或靜料結構。 本實施例主要係藉由該導熱絕緣體15及辅助 201203814 緣體16分別抵接於該電路板14之相對二表面，同時利用 其二者自身的塑性變形能力對應包覆於該電路板14之電 子元件142外表面，藉此該導熱絕緣體15及辅助導熱絕 緣體16不但能夠持續吸收該電子元件142產生的熱能， 提升其散熱效率，更能夠達到定位且保護該電子元件142 的目的’減少該電子元件142受碰撞或外力作用而毁損的 可能性，進一步延長該散熱風扇及馬達的使用壽命。 請參照第6及7圖所示，本發明第三實施例之馬達 鲁 係選自一外轉子馬達3作為實施樣態說明，其包含一基座 31、一定子32、一轉子33、一電路板34及一導熱絕緣體 35。該基座31具有一散熱底板311及一軸管312，該散 熱底板311較佳係選擇由具高導熱能力之金屬材質製成， 例如：銅或銘等。該軸管312設置於該散熱底板311頂面 的中心位置’該軸管312具有一轴孔3121。 該定子32包含一架體321及數個線圈322。該架體 321設有一容置孔3211，該架體321經由該容置孔3211 ^ 套設結合於該軸管312之外周壁；該線圈322係結合該架 體321 ’且對應環繞於該容置孔3211之外周圍。 該轉子33包含一轉動件331、一轉轴332及一永久 磁鐵333，該轉動件331中心位置設有一軸座3311，該轉 轴332之一端結合於該軸座3311，其另一端則透過該軸 承B可轉動的結合於該軸管312之軸孔3121内。該永久 磁鐵333結合於該轉動件331之内周壁，且該永久磁鐵 333對應環繞於該線圈322之外周圍。 該電路板34中心位置設有一穿孔341，該電路板34 201203814 經由該穿孔341套設結合於該軸管312之外壁面，且位於 該散熱底板311與該定子32之間；該電路板34設有數個 電子元件342 ’該電子元件342分佈於該電路板34之相 對二表面。 該導熱絕緣體35中心位置同樣設有一穿孔350，該 導熱絕緣體35經由該穿孔350套設結合於該轴管312之 外壁面，且阻隔於該散熱底板311與該電路板34之間， 使其二者無法相互電性接觸。該導熱絕緣體35之相對二 表面分別為一吸熱表面351及一熱交換表面352，其中該 吸熱表面351及熱交換表面352能夠分別與該電路板34 及散熱底板311相抵接。 本發明第三實施例之外轉子馬達3於實際使用時， 該導熱絕緣體35之吸熱表面351係直接吸收各該電子元 件342產生之熱能’並將所吸收之熱能經由該導熱絕緣體 35之熱交換表面352傳導至該散熱底板311上，藉此讓 該散熱底板311將該電子元件342產生之熱能透過熱交換 散逸至外界，同時亦可透過該導熱絕緣體35外周面直接 與外界熱交換（如圖式内箭頭方向所示），藉此達到對馬 達冷卻降溫的目的。 本發明第三實施例所揭示之外轉子馬達3另可應用 於各式散熱風扇結構，請參照8圖所示，其揭示該外轉子 馬達3應用於一鼓風式風扇作為本發明第四實施例之實施 樣態說明，本實施例之散熱風扇係直接利用該外轉子馬達 3之基座31作為扇框構造，其中該基座31另包含有一環 牆部313及一蓋板314，該環牆部313環設於該散熱底板 12 — 201203814 311之外周緣’該蓋板314結合於該環牆部313之一端， 其中該蓋板314對應該轉子33開設一入風口 315，而該 環牆部313之其中一侧則開設一出風口 316,該入風口 315與該出風口 316相連通。另外，該外轉子馬達3之轉 動件331設有數個葉片3312,各該葉片3312係等間距排 列設置於該轉動件331之外周面。 再者，本實施例之外轉子馬達3另設有一辅助導熱 絕緣體36，該輔助導熱絕緣體36位於該定子32及電路 板34之間，且選擇以塗覆方式設置於該電路板34面向該 定子32之一表面上，使該辅助導熱絕緣體36對應包覆於 各該電子元件342外表面上。 本實施例主要係藉由該導熱絕緣體35及辅助導熱絕 緣體36分別抵接於該電路板34之相對二表面，藉此該導 熱絕緣體35及輔助導熱絕緣體％不但能夠持續吸收該電 子元件342產生的熱能，並能進一步間接透過該散熱底板 311將該電子το件342產生之熱能散逸至外界，或者亦可 透過該導熱絕緣體35外周面直接與外界熱交換，提升其 散熱效率，更能同時利用其二者自身的塑性變形能力對應 包覆於該電子元件3C外表面，達狀位且保護該電子元 件342的目的。 雖然本發明已利用上述較佳實施例揭示，然其並非 用以限定本發明，任何熟習此技藝者在不脫離本發明之精 神和範圍之内，相對上述實施例進行各種更動與修改仍屬 本發明所保護之技術範’因此本發明之保護期當視後 附之申請專利範圍所界定者為準。 —13 201203814 【圓式簡單說明】 第1圖：習知馬達之組合剖視圖。 第2圖.本發明第一實施例之馬達的立體分解圖。 第3圖：本發明第一實施例之馬達部分構件未組裝前 的組合剖視圖。 第圖·本發明第一實施例之馬達完成組裝的組合剖 視圖。 、 第5圖：本發明第二實施例具有該馬達之軸流式散熱 風扇的組合剖視圖。 第6圖：本發明第三實施例之馬達的立體分解圖。 第7圖：本發明第三實施例之馬達的組合剖視圖。 風扇的組合剖視圖。 【主要元件符號說明】 〔本發明〕 1 内轉子馬達 11 基座 111第一本體 1110 組裝空間 1111轴孔 1112 組裝口 112第二本體 1121 容槽 1122容室 1123 開口 1124結合肩部 1125 止擋壁 113散熱底板 12 定子 121架體 第8圖：本發明第四實施例具有該馬達之鼓風式散熱 201203814The components such as the electronic component 142 and the bearing B are liable to cause an increase in the operating temperature of the inner rotor motor 1 due to the heat energy generated by itself. At this time, since the heat absorbing surface 151 of the heat conductive insulator 15 can continuously absorb the heat energy generated by each of the electronic components 142, and the absorbed heat energy is conducted to the heat dissipation substrate 113 via the heat exchange surface 152 of the heat conductive insulator 15, thereby The heat dissipation substrate 113 allows the thermal energy generated by the electronic component 142 to be dissipated to the outside through heat exchange (as indicated by the direction of the arrow in the figure) to reduce the overall operating temperature of the inner rotor motor 1. In addition, the conductive members 123 of the stator 12 can also abut the heat conducting insulator 15 corresponding to the through holes 141 extending through the circuit board, so that the heat generated by the coils 122 of the stator 12 can also pass through the The conduction member 123 feeds the material thermal insulator 15 to heat exchange with the outside (as indicated by the direction of the arrow in the figure), thereby achieving the purpose of lowering the temperature of the stator. The main feature of the motor of the first embodiment of the present invention is that the high-conducting wheel force and the electric-stable characteristic of the heat-conducting insulator 15 are not between the heat-dissipating base plate 113 and the circuit board 14; It is avoided that the short circuit of the circuit board 14 occurs, and the heat energy of the coil 122 and the electronic component 142 can be efficiently exchanged to the heat dissipation bottom plate 113 of the metal, which can improve the heat dissipation efficiency of the conventional motor ^ 201203814 Disadvantages, improve its overall heat dissipation capacity. The inner rotor motor 1 disclosed in the first embodiment of the present invention can be further applied to various types of heat dissipating fan structures. Referring to FIG. 5, it is disclosed that the inner rotor motor 1 is applied to an axial fan as the second embodiment of the present invention. For example, the cooling fan of the second embodiment includes the inner rotor motor 1 and a frame 2, wherein the rotating member 131 of the inner rotor motor 1 is provided with a plurality of blades 1312' each of the blades 1312 and the like. The pitches are arranged on the outer circumferential surface of the rotating member 131. Moreover, when the circuit board 14 is positioned at the joint shoulder 1124 of the chamber 1122, the circuit board 14 of the present embodiment and the capacitor are formed in the circuit board 14 except the first space A1 formed between the circuit board 14 and the heat dissipation substrate 135. A second space A2 is also formed between a stop wall 1125 of the chamber 1122. An auxiliary heat conducting insulator 16 is further disposed in the second space A2. The shape of the auxiliary thermal conductive insulator 16 preferably corresponds to the contour shape of the second space A2, or the auxiliary thermal conductive insulator 16 may be directly filled into the second space A2 so that the auxiliary thermal conductive insulator 16 is accommodated. In the second space A2, the surface of the auxiliary thermal conductive insulator 16 can abut on the surface of the circuit board 14. Furthermore, the auxiliary thermally conductive insulator 16 is also made of an electrically insulating material having a high thermal conductivity, and is preferably a thermosetting material. (4) The frame 2 may be made of a plastic material or a metal material, and the frame 2 has an air inlet 21 and an air outlet ^, and an air flow passage is formed between the air inlet and the air outlet 22. Further, a plurality of connecting members 23 may be connected to each other between the frame 2 and the first body m of the frame ^: each of the connecting members 23 may be selected from a rib or a static structure. In this embodiment, the thermal conductive insulator 15 and the auxiliary 201203814 edge body 16 respectively abut against the opposite surfaces of the circuit board 14 , and the electronic deformation of the circuit board 14 is utilized by the plastic deformation capability of the circuit board 14 . The outer surface of the component 142, whereby the thermally conductive insulator 15 and the auxiliary thermally conductive insulator 16 can not only continuously absorb the thermal energy generated by the electronic component 142, but also improve the heat dissipation efficiency, and further achieve the purpose of positioning and protecting the electronic component 142. 142 The possibility of being damaged by collision or external force further prolongs the service life of the cooling fan and motor. Referring to Figures 6 and 7, the motor of the third embodiment of the present invention is selected from an outer rotor motor 3 as an embodiment, and includes a base 31, a stator 32, a rotor 33, and a circuit. Plate 34 and a thermally conductive insulator 35. The base 31 has a heat dissipation bottom plate 311 and a shaft tube 312. The heat dissipation base plate 311 is preferably made of a metal material having high thermal conductivity, such as copper or metal. The shaft tube 312 is disposed at a central position of the top surface of the heat dissipation base plate 311. The shaft tube 312 has a shaft hole 3121. The stator 32 includes a frame 321 and a plurality of coils 322. The frame body 321 is provided with a receiving hole 3211. The frame body 321 is coupled to the outer peripheral wall of the shaft tube 312 via the receiving hole 3211. The coil 322 is coupled to the frame body 321' and correspondingly surrounds the frame body 321 Place the outside of the hole 3211. The rotor 33 includes a rotating member 331, a rotating shaft 332 and a permanent magnet 333. The rotating member 331 is provided with a shaft seat 3311 at a central position. One end of the rotating shaft 332 is coupled to the shaft seat 3311, and the other end of the rotating shaft 332 is coupled thereto. The bearing B is rotatably coupled to the shaft hole 3121 of the shaft tube 312. The permanent magnet 333 is coupled to the inner peripheral wall of the rotating member 331, and the permanent magnet 333 is correspondingly surrounded by the outer circumference of the coil 322. The circuit board 34 is provided with a through hole 341 at the center of the circuit board 34. The circuit board 34201203814 is sleeved and coupled to the outer wall surface of the shaft tube 312, and is located between the heat dissipation base plate 311 and the stator 32. The circuit board 34 is provided. There are a plurality of electronic components 342 'the electronic components 342 are distributed on opposite surfaces of the circuit board 34. The heat-dissipating insulator 35 is also provided with a through hole 350. The heat-dissipating insulator 35 is sleeved and coupled to the outer wall surface of the shaft tube 312, and is blocked between the heat-dissipating bottom plate 311 and the circuit board 34. They cannot be in electrical contact with each other. The opposite surfaces of the thermally conductive insulator 35 are respectively a heat absorbing surface 351 and a heat exchange surface 352. The heat absorbing surface 351 and the heat exchange surface 352 can respectively abut the circuit board 34 and the heat dissipation substrate 311. In the third embodiment of the present invention, the heat absorbing surface 351 of the heat conducting insulator 35 directly absorbs the heat energy generated by each of the electronic components 342 and heats the absorbed heat energy through the heat conducting insulator 35. The surface 352 is conducted to the heat dissipation substrate 311, so that the heat dissipation substrate 311 dissipates the heat generated by the electronic component 342 to the outside through heat exchange, and can also directly exchange heat with the outside through the outer peripheral surface of the heat conduction insulator 35 (as shown in the figure). In the direction of the arrow in the formula, the purpose of cooling and cooling the motor is achieved. The rotor motor 3 can be applied to various types of heat dissipating fan structures as disclosed in the third embodiment of the present invention. Referring to FIG. 8 , it is disclosed that the outer rotor motor 3 is applied to a blower fan as the fourth embodiment of the present invention. The embodiment of the embodiment shows that the heat dissipation fan of the embodiment directly utilizes the base 31 of the outer rotor motor 3 as a fan frame structure, wherein the base 31 further includes a ring wall portion 313 and a cover plate 314. The wall portion 313 is disposed on the outer periphery of the heat dissipation bottom plate 12 — 201203814 311. The cover plate 314 is coupled to one end of the ring wall portion 313 , wherein the cover plate 314 defines an air inlet 315 corresponding to the rotor 33 , and the ring wall One side of the portion 313 defines an air outlet 316, and the air inlet 315 is in communication with the air outlet 316. Further, the rotor 331 of the outer rotor motor 3 is provided with a plurality of blades 3312, and the blades 3312 are arranged at equal intervals on the outer circumferential surface of the rotor 331. Furthermore, the rotor motor 3 of the present embodiment is further provided with an auxiliary heat-conducting insulator 36, which is located between the stator 32 and the circuit board 34, and is selectively disposed on the circuit board 34 facing the stator. On one surface of the 32, the auxiliary thermal conductive insulator 36 is correspondingly coated on the outer surface of each of the electronic components 342. In this embodiment, the heat conducting insulator 35 and the auxiliary heat conducting insulator 36 respectively abut against opposite surfaces of the circuit board 34, whereby the heat conducting insulator 35 and the auxiliary heat conducting insulator % can continuously absorb the electronic component 342. The heat energy can be further indirectly transmitted to the outside through the heat dissipation substrate 311, or the heat can be directly exchanged with the outside through the outer peripheral surface of the heat conductive insulator 35, thereby improving the heat dissipation efficiency and utilizing the heat dissipation efficiency at the same time. The plastic deformation capability of the two is corresponding to the outer surface of the electronic component 3C, and is in the form of a position and protects the electronic component 342. While the invention has been described in connection with the preferred embodiments described above, it is not intended to limit the scope of the invention. The technical scope of the invention is therefore to be understood as the scope of the invention as defined in the appended claims. —13 201203814 [Simplified circular description] Fig. 1: A sectional view of a combination of conventional motors. Fig. 2 is an exploded perspective view showing the motor of the first embodiment of the present invention. Fig. 3 is a cross-sectional view showing the assembly of the motor portion of the first embodiment of the present invention before it is assembled. Fig. 1 is a sectional view showing the assembly of the motor of the first embodiment of the present invention. Fig. 5 is a sectional view showing the combination of the axial flow type heat radiating fan of the second embodiment of the present invention. Fig. 6 is an exploded perspective view showing the motor of the third embodiment of the present invention. Figure 7 is a sectional view showing the combination of the motor of the third embodiment of the present invention. A sectional view of the combination of fans. [Main component symbol description] [Invention] 1 Inner rotor motor 11 Base 111 First body 1110 Assembly space 1111 Axle hole 1112 Assembly port 112 Second body 1121 Capacitor 1122 Room 1123 Opening 1124 Bonding shoulder 1125 Stop wall 113 heat dissipation base plate 12 stator 121 frame body FIG. 8: The fourth embodiment of the present invention has the blast-type heat dissipation of the motor 201203814
1211 容置孔 122 線圈 123 導通件 13 轉子 131 轉動件 1311轴座 1312 葉片 132 轉軸 133 永久磁鐵 14 電路板 141 通孔 142 電子元件 15 導熱絕緣體 151 吸熱表面 152 熱交換表面 16 輔助導熱絕緣體 2 扇框 21 入風口 22 出風口 23 連接件 3 外轉子馬達 31 基座 311 散熱底板 312 轴管 3121轴孔 313 環牆部 314 蓋板 315 入風口 316 出風口 32 定子 321 架體 3211 容置孔 322 線圈 33 轉子 331 轉動件 3311 軸座 3312葉片 332 轉軸 333 永久磁鐵 34 電路板 341 穿孔 342 電子元件 35 導熱絕緣體 350 穿孔 351 吸熱表面 352 熱交換奉面 36 輔助導熱絕緣體 —15 — 201203814 A1 第一空間 A2 第二空間 B 轴承 〔習知〕 9 習知馬達 91 第一殼體 911 容置空間 92 第二殼體 921 結合肩部 922 蓋板 93 定子 94 轉子 95 電路板 951 電子元件 96 絕緣板 97 軸承1211 accommodating hole 122 coil 123 conduction member 13 rotor 131 rotating member 1311 shaft seat 1312 blade 132 shaft 133 permanent magnet 14 circuit board 141 through hole 142 electronic component 15 thermal insulation insulator 151 heat absorption surface 152 heat exchange surface 16 auxiliary thermal insulation insulator 2 fan frame 21 Air inlet 22 Air outlet 23 Connector 3 Outer rotor motor 31 Base 311 Heat sink 312 Shaft tube 3121 Shaft hole 313 Ring wall 314 Cover 315 Air inlet 316 Air outlet 32 Stator 321 Frame 3211 Socket hole 322 Coil 33 Rotor 331 Rotating member 3311 Shaft seat 3312 Blade 332 Rotary shaft 333 Permanent magnet 34 Circuit board 341 Perforation 342 Electronic component 35 Thermally conductive insulator 350 Perforated 351 Heat absorbing surface 352 Heat exchange surface 36 Auxiliary thermal insulation insulator — 15 — 201203814 A1 First space A2 Second Space B bearing [Conventional] 9 Conventional motor 91 First housing 911 accommodating space 92 Second housing 921 Joint shoulder 922 Cover plate 93 Stator 94 Rotor 95 Circuit board 951 Electronic components 96 Insulation board 97 Bearing