TWI273070B - Hub unit for electric wheel and vehicle equipped with the hub unit - Google Patents
Hub unit for electric wheel and vehicle equipped with the hub unit Download PDFInfo
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- TWI273070B TWI273070B TW094116280A TW94116280A TWI273070B TW I273070 B TWI273070 B TW I273070B TW 094116280 A TW094116280 A TW 094116280A TW 94116280 A TW94116280 A TW 94116280A TW I273070 B TWI273070 B TW I273070B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/80—Accessories, e.g. power sources; Arrangements thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/20—Electric propulsion with power supplied within the vehicle using propulsion power generated by humans or animals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
- B62M6/65—Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
- B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/12—Bikes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/10—Electrical machine types
- B60L2220/14—Synchronous machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/50—Structural details of electrical machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/425—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/26—Driver interactions by pedal actuation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
1273070 九、發明說明: 【發明所屬之技術領域】 本發明係有關於電動車輛用輪轂單元及具有該輪轂 單元之輔助腳踏車、輪椅等的車輛。 【先前技術】 習知在腳踏車的車輪的輪轂裝著組入馬達等的輪轂 單元,在腳踏車的踏板上,一定值以上的負荷作用時, 使馬達驅動,即使在坡道等,也可輕鬆地行走的電動腳 踏車係,例如,在日本特表2 0 02-5 1 45 5 0號公報中所熟 知0 [專利文獻1 ]日本特表2 0 0 2 - 5 1 4 5 5 0號公報 上述輪轂單元係藉由至馬達的通電而伴隨著發熱。 因為馬達過熱的話,無法以高轉矩使馬達回轉,使馬達 的熱逃脫的辦法是必要的。 然而,在專利文獻1的構成,因為馬達殼體係以密 閉狀態包圍定子,無法有效地使定子放熱。 為此,在輪轂内收容冷卻液,自外側冷卻馬達殼體, 以進行抑制捲線的發熱。在輪轂内收容冷卻液時,液體 洩漏的對策係為必要,導致成本提高。又,冷卻液使重 量增力口 。 【發明内容】 本發明係為可提高馬達的冷卻效果、達到加熱防止 的輪轂單元及具有該輪轂單元之車輛。 7063-7115-PF 5 1273070 本發明的電動車輛用輪轂單元包 子的馬達、以及在内部收容馬達且 ·/、,定子和轉 轉驅動的輪轂,其特徵在 μ g由轉子的回轉被回 絲 "又置伴隨著上诫认鉍^ 轉以將外部空氣吸入輪穀内…的回 置。 馬達的馬達冷卻裝 在上述輪轂,在輪轂的回轉中心軸上 殼體以固定狀能被突# — * +於馬達 U疋狀心、被大5又阳突出於輪 定用支持軸,在該固定用支 卜侧被-置的固 的通氣孔是較佳地。…附近形成吸入外界空氣 至=上述通氣孔連接管路,使該管路的端部延伸設置 至电動車的水無法進入的場所是較佳地。 在上述輪轂,藉由在馬達殼體外周形成的突出部被 * ’形成排出輪轂内的空氣的幫浦機構是較佳地。 、上述定子藉由夹持層積金屬板,相對配置的一對端 累裎鎖緊而被構成,定子的外周面係在輪轂的内面 開放端板間是較佳地。 圮輻章又内,藉由轉子的回轉作動的行星齒輪機 構被收納,在輪轂,W班 - 門面 汉且在仃生齒輪機構的行星齒 輪e的内齒是較佳地。 藉由吸入的外界 以確實地防止馬 根據本發明,伴隨著幫浦的作動 工氣可自動地且有效率地冷卻馬達 達的過熱。 抑制捲線的過卖 又,因為冷卻^ 在白知中’在輪轂内收容冷卻液 成為不必要。可省略馬達殼體的筒壁
7063-7115-PF 1273070 收容的勞力和時間成為不必要,可降低製造成本又 令略该筒壁和冷卻液,可有助於輕量化。又,筒壁不存 在’因為定子的外徑可變大, 」建到回轉力的提高。 【實施方式】 第1圖係表示具有本發明的於/ 、 j镐裁早兀2的電動輔助 腳踏車1的一個例子。 >在輔助腳踏車1的前叉Q的前端安裝輪轂單元2, 則車輪11的輪緣(riffl)13和輪轂單元2係藉由輪輻 (spoke)14 ^ 14 聯繫。
座柱(seat post)15和後車輪16之間搭載電池17。 在踏板1 8的踩踏力作用的、為A — ^ *刀作用的適當場所,踏板的負荷達到一 疋值的铦,自電池17通電至輪轂2的馬達g的感測器(未 圖示)被配置。 輪叙單元2基本上|胃j ^ . ^ 白知的例子相同,包括··具有 疋子3和轉子4的馬 Q的π絲 在内部收容該馬達且藉由馬達 9的回轉而被回轉驅動的 士 、、紅μ 4 季又7、以及在輪轂7的回轉中 心軸上相對於馬達转 ^ 於棄Λ 7 " Μ固定狀態在被突設而突出在 孝阳車又7的外侧的固定用支持軸57。 疋子3的層積金屬板 屬板…以既定數目=係如第5圖所示,將鑽孔金 在環的内 層積而被形成。鑽孔金屬板31a係 周 在周方向以蓉門•入 例如,在奋β 寺間隔向環中心突設複數個, 力s 土 個,的丁字狀的凸部31b 〇 在層積金屬板3丨的相 〇9 ΊΊ j相位一致的層積凸部31b單位施 加捲綠3 2。習知以來, d積至屬板3 1係藉由鑽孔模將金
7063-7115-PF 1273070 屬板材鑽孔,形成鑽孔峨反31a,同時在被鑽孔的姿勢 的狀態下層積而被形成。 因此,在各鑽孔金屬板3 1 a漆a u门^ 、, 產生的圈(burr)係在比 鄰的鑽孔金屬板3 1 a、3 1 a中,位菩 罝會一致。 在一個鑽孔金屬板31a中,太& 7 在周方向產生一樣的圈 的話,一個層積金屬板31的厚度係相同一致。 然而,上述情形係幾乎不可能 — 犯,觀祭一個鑽孔金屬 板士31a的話,圏的位置係在周方向不一樣。此時,只是 連續層積被鑽孔的鑽孔金屬板3丨 興| w a的話,一個層積金屬 板31係》ο·1〜0.3mm程度’產生厚度大的部分和小的部 分0 精由後述理由,有必I如立丨+ 命· 名要抑釗在層積金屬板31產生厚 =Ϊ的^刀和小的部分。因此,將層積金屬板31分為在 目的鑽孔金屬板31a構成的複數個單位體3ic, 以既疋角度偏差各單位體而重疊。 的J實施例中’只有以單位體3lc除以3 60度的個數 ,又依序偏差,形成層積金屬板3卜例如,單位體3丄
的個數為三個的情形,二 3lC ,夂爲 —们早位體3 1 c分別偏移1 2 〇度, ^積凸部3 1 b施加捲線3 2。 上述層積金屬板3 1係 孔金屬板3la… 材鑽孔’一邊形成鑽 次將鑽孔2 只有單位體仏的片數,每 、’L金屬板31 a鑽孔時,莽由使全屬 内以既定魚庚产—a 猎由使金屬板材在水平面 形成。 又在属施例中為120度回轉,而可簡單地
7063-7115-PF 8 1273〇7〇 位體3i 板…的向内凸冑仙的個數係以罩 ^…的個數而被限制在除得 ^ 在上述定子3内,數 被配備。#子4 乂 π 子3问、且可回轉的轉子4 八居 在圓形的層積金屬板42的中心、,和屌 金屬板4? 一雕-τ ^ 和層積 义 肢可回轉的方式使回轉軸“貫通而被形成: 在層積金屬板4 2的冰闽加 ^ , 韻*w 槪“的外周部,和該回轉軸41平行% 子是數個永久磁鐵4 3丰 的 係在層積金屬板42的周方向,係 ° ϋ N極交互方式,以等間隔被埋設配置。 〜馬達9的殼體5係藉由自定子3的軸方向的第〜 二二輪51、52夹持上述定子3的層積金屬* 、〃“知板51、52係藉由貫通層積金屬板31的外周音 、裣數個鎖合螺栓5 3鎖合而被構成。依據兩端板51、$ 、勺j "螺栓53的鎖合係在自兩端板51、52周緣在外周 被大出形成的凸輪狀突出部54被進行,第二端板U = λ凸輪狀突出部54係成為作為操作後述幫浦8的凸輪的功 能0 定子3的層積金屬板3 1係扮演用以將第一端板5工 和第二端板52存在一定的間隔固定的角色。 第一端板51和第二端板52係分別在中央部内側具 備轴承5 8、5 8,藉由兩軸承π、& 8,軸承上述轉子4的 回轉轴41的兩端。 在第一端板5 1的中央外側突設輪轂5 6,貫通該輪轂 56,突設向外的固定用支持軸57。在固定用支持輛57, 外螺絲57b被形成。59係為在第一端板5丨被形成的通氣
7063-7115-PF 9 1273070 此,連通馬達 一 n部不口外邵,後述的渾爾8作動, 伴隨者排出馬達殼體5内的空氣,外界空氣向馬達9供 給,成為冷卻馬達9。在上述通氣孔59,未圖示的管路 被連接,該管路的另—端係翻定在電動辅助腳踏車i 的水不易進入管路内的位置。 、在第二端板52的外側,使上述馬達4的回轉減速且 傳達至輪轂7的減速機構被配置。 本實施例的減速機構係為行星齒輪減速機構6。 山行星齒輪減速機構6的行星齒輪支持框61係向第二 —反5 2在周方向以等間隔突設三個筒狀腳部6 2,在該 第二端板52接觸該腳部62 ’藉由貫通該腳部62的螺: 63 在弟一端板52被固定。 在第—ir而板5 2和行星齒輪支持框6 1之間,在第二 端板52的周方向以等間隔懸架三個支持車“4,藉由各: 持軸64以可回轉的方式支持行星齒輪65。 六行星齒輪65係在第二端板52側形成大齒輪65a,而 在相反侧同軸形成小齒輪65b。 行星齒輪65的大齒輪心係在上述轉子4的回轉軸 端部形成的悝1齒輪6"合。行星齒輪65的小齒 輪65b係在後述輪轂7的蓋板72的内齒66a嚅合。 在仃生W輪支持框61的中央部内面’暈! 6 7被形成, 貫㈣較67的中心,固定用支持軸57a向外被突設。在 固疋用f持軸57a,外螺絲5几被形成。 輪叙7係藉由底面中央開口、相反侧全面開口的約
7063-7115-PF 10 1273070 略杯狀的輪轂主體71以及被覆蓋在該全面開口的蓋板7 2 而被構成。 輪轂主體71係覆蓋在上述馬達殼體5和行星齒輪減 速機構6,在底面開口 7 0和上述馬達殼體5的第一端板 51上的轂56之間,軸承73被安裝。在輪轂本體71的内 面,和上述固定用支持軸5 7同心的環體6 6被螺絲螺合 固定,在該環體6 6的内面,上述行星齒輪6 5嚷合的内 齒6 6 a被形成。 p 上述行星齒輪支持框6 1上的固定用支持軸5 7 a係貫 通上述輪轂本體7 1而在外部突出。在輪轂本體71和固 定用支持軸5 7 a之間,轴承7 5被安裝。 在輪轂本體71的外周面兩側,繞輪轂本體71 —周 的周壁74被突設,在該周壁74上,在周方向規則地開 設輪輻安裝孔74a。 蓋體72係覆蓋在輪轂本體71的開口,藉由複數個 螺栓7 6,在輪轂本體71被固定。 φ 8係為在上述輪轂本體71被固定的幫浦,在上述第 二端板5 2的凸輪狀突出部5 4被形成的位置相對而被配 置’伴隨者輪毅7的回轉’措由弟二端板5 2的凸輪狀突 出部54被操作,排出輪轂7内的空氣。 在第2圖中,轉子4的回轉軸41、馬達殼體5的第 一端板51上的固定用支持軸57、貫通輪轂7的蓋板.72 的固定用支持軸5 7 a係在一直線上一致。 又,在腳踏車的前叉1 2螺絲螺合固定兩固定用支持 7063-7115-PF 11 1273070 軸5 7、5 7a時,在第2圖中,左下方斜線部分係為固定 部分,右下方斜線部分係為回轉部分。 因此,腳踏車踏板1 8的踩踏作用一定值以上的負荷 的話,自電池1 7被通電至定子3白勺捲線3 2,轉子4回轉。 藉由轉子4的回轉,回轉軸41前端的恆星齒輪6 0 也回轉,行星齒輪6 5在定位置回轉。行星齒輪6 5的回 轉經由内齒6 6 a,在輪轂7減速而被傳達,回轉驅動前車 輪11。 p 伴隨著輪轂7的回轉,幫浦8藉由排出輪轂7内的 空氣,自通氣孔5 9向馬達5供給外界空氣,冷卻馬達5, 防止馬達5的過熱。 藉由馬達4的電動回轉,使踏板1 8的踩踏力變輕, 可使腳踏車行走。藉由至捲線3 2的通電,捲線3 2發熱, 定子3持有熱。然而,因為如習知般成為定子3的散熱 妨礙的馬達殼體5的筒壁不存在,即使定子3持有熱, 可自挾持定子3的一對端板5 1、52間的開口直接散熱至 • 馬達殼體5外。因此,不需如習知般在輪轂7内收容冷 卻液,而可防止捲線3 2的過熱。 又,藉由自通氣孔5 9向馬達5供給的外界空氣,定 子3的冷卻被更進一步促進,可確實地防止捲線3 2的過 熱。 可省略馬達殼體5的筒壁,又,因為不需要冷卻液 收容的勞力和時間,所以可降低製造成本。又,省略該 筒壁和冷卻液,也可有助於輕量化。 7063-7115-PF 12 1273070 人,同堂不存在 到回轉力的提高。 在上述貫施例中,在定 方向產生厚度的…0±, 層顆屬板31 ’在周 歪斜蘇ώ :、 可’兩端板51、52的平行度產生 承5m 兩而板的端板51、52上的軸 4 38轴承的轉子4的回轉軸41的彎曲力作用,具 4:圓滑回轉成為故障的問題。因此,本來如 板;】,在:由—對端板51、52夾持定子3的層積金屬 1有葬由金屬板31的層積方向,以螺絲推力施加船, /、有精由鎖附螺栓53鎖附固定兩端板51、 : 然而’在實施例中,如上述,一面 ;; 的錯a A4 ®I層積早位數目 1 la的複數個單位體31c以既㈣度偏f 層積,糟由定子3的層積金屬板31,層積全屬板夕 的周方向的厚度均一化。因 積金屬板” 太a 在層積金屬板31的岸藉 定二:P使以螺絲推力施加般,藉由鎖合螺拾53鎖二固 -兩端板51、52,可提高第—端板51和第 γ固 平行度的精度。 一而板5 2的 因此,提鬲支持轉子4的回轉軸4 ^ 山 5δ、5δ的平行度,可使馬達4平滑地回轉^侧的轴承 雖然本發明已以較佳實施例揭露如 以限定本發明’任何熟習此技蔽 其並非用 精神和範圍内,當可作些許之更:脫離本發明之 之保護範圍當視後附之申請專利 ’因此本發明 叫W界定者為準。 【圖式簡單說明】
7063-7U5-PF 13 1273070 第1圖係為電動輔助腳踏車的正面圖; 第2圖係為輪轂單元的剖面圖; 第3圖係為自輪轂單元的其他方向所看的剖面圖; 第4圖係為自輪轂單元的其他方向所看的剖面圖 以及 第5圖係為層積金屬板的分解立體圖。 【主要元件符號說明】
2 輪軍曼早元 3 定子 4 轉子 5 馬達殼體 6 行星齒輪減速機: 構 7 輪穀 8 幫浦 9 馬達 31 層積金屬板 41 回轉軸 42 層積金屬板 43 永久磁體 51 、5 2 端板 53 螺栓 56 輪轂 57 支持轴 57a固定用支持軸 57b外螺絲 58 軸承 59 通氣孔 60 恆星齒輪 61 支持框 62 腳部 63 螺栓 64 支持轴 65 行星齒輪 65 a 大齒輪 6 5b小齒輪 66 環體 6 6 a内齒 67 轂 70 開口 71 輪轂主體 72 蓋板 73 轴承 74 周壁 75 軸承 76 螺栓 7063-7115-PF 14
Claims (1)
1273070 十、申請專利範圍: 1. 一種電動車輛用輪轂單元,包括: 馬達,具有定子和轉子;以及 輪轂,在内部收容該馬達且藉由轉子的回轉 轉驅動, 其特徵在於· 設置伴隨著上述輪轂的回轉以將外部空氣吸 内進而冷卻馬達的馬達冷卻裝置。 | 2.如申請專利範圍第1項所述之電動車輛用 元,其中在上述輪轂,在輪轂的回轉中心軸上, 對於馬達殼體以固定狀態被突設而突出在輪轂的 置固定用支持轴,在該固定用支持軸附近形成吸 空氣的通氣孔。 3.如申請專利範圍第2項所述之電動車輛用 元,其中在上述通氣孔連接管路,使該管路的端 設置至電動車的水無法進入的場所。 φ 4.如申請專利範圍第1項所述之電動車輛用 元,其中在上述輪轂,藉由在馬達殼體外周形成 部被操作,形成排出輪轂内的空氣的幫浦機構。 5. 如申請專利範圍第1項所述之電動車輛用 元,其中上述定子藉由夾持層積金屬板,相對配 對端板以螺栓鎖緊而被構成,定子的外周面係在 内面將端板間開放。 6. 如申請專利範圍第1項所述之電動車輛用 而被回 入輪载 輪轂單 設置相 外侧設 入外界 輪轂單 部延伸 輪轂單 的突出 輪轂單 置的一 輪毅的 輪轂單 7063-7115-PF 15 1273070 元,其中在輪轂内,藉由馬達的 機構被收納,在輪轂内面,設置 齒輪嚅合的内齒。 7, —種車輛,將如申請專利 項所述之電動車輛用輪轂單元利 回轉而作動的行星齒輪 在行星齒輪機構的行星 範圍第1至6項中任一 用在車輪的輪轂。
7063-7115-PF 16
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-
2004
- 2004-09-28 JP JP2004280907A patent/JP4297859B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-19 TW TW094116280A patent/TWI273070B/zh not_active IP Right Cessation
- 2005-09-16 CN CNB2005101039781A patent/CN100355596C/zh not_active Expired - Fee Related
- 2005-09-20 US US11/231,027 patent/US7472770B2/en not_active Expired - Fee Related
- 2005-09-22 CA CA2520684A patent/CA2520684C/en not_active Expired - Fee Related
- 2005-09-26 DE DE602005011908T patent/DE602005011908D1/de active Active
- 2005-09-26 EP EP05020947A patent/EP1640261B1/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI447043B (zh) * | 2010-03-26 | 2014-08-01 | Honda Motor Co Ltd | A vehicle with a motor for driving |
TWI617463B (zh) * | 2012-01-24 | 2018-03-11 | 荷蘭機械公司 | 輪轂夾持方法、裝置及系統及可程式化控制單元 |
Also Published As
Publication number | Publication date |
---|---|
JP4297859B2 (ja) | 2009-07-15 |
TW200610702A (en) | 2006-04-01 |
EP1640261B1 (en) | 2008-12-24 |
CA2520684C (en) | 2013-01-15 |
JP2006096059A (ja) | 2006-04-13 |
CN1754712A (zh) | 2006-04-05 |
US20060065452A1 (en) | 2006-03-30 |
EP1640261A3 (en) | 2007-06-06 |
CN100355596C (zh) | 2007-12-19 |
EP1640261A2 (en) | 2006-03-29 |
DE602005011908D1 (de) | 2009-02-05 |
US7472770B2 (en) | 2009-01-06 |
CA2520684A1 (en) | 2006-03-28 |
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