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TW200406336A - Electric bicycle - Google Patents

Electric bicycle Download PDF

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Publication number
TW200406336A
TW200406336A TW092123394A TW92123394A TW200406336A TW 200406336 A TW200406336 A TW 200406336A TW 092123394 A TW092123394 A TW 092123394A TW 92123394 A TW92123394 A TW 92123394A TW 200406336 A TW200406336 A TW 200406336A
Authority
TW
Taiwan
Prior art keywords
brake
motor
wheel
braking
rear wheel
Prior art date
Application number
TW092123394A
Other languages
English (en)
Other versions
TWI229047B (en
Inventor
Kazunobu Yokotani
Hideaki Aoki
Original Assignee
Sanyo Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of TW200406336A publication Critical patent/TW200406336A/zh
Application granted granted Critical
Publication of TWI229047B publication Critical patent/TWI229047B/zh

Links

Classifications

    • 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
    • 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
    • B60L15/2009—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 for braking
    • 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
    • B60L15/2045—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 for optimising the use of energy
    • 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
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • 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
    • B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60L3/04—Cutting off the power supply under fault conditions
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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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    • B60—VEHICLES IN GENERAL
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    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/14—Preventing excessive discharging
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/15—Preventing overcharging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/12—Dynamic electric regenerative braking for vehicles propelled by DC motors
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
    • B60L7/26—Controlling the braking effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J50/00—Arrangements specially adapted for use on cycles not provided for in main groups B62J1/00 - B62J45/00
    • B62J50/20—Information-providing devices
    • B62J50/21—Information-providing devices intended to provide information to rider or passenger
    • B62J50/22—Information-providing devices intended to provide information to rider or passenger electronic, e.g. displays
    • 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
    • B62M6/45—Control or actuating devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60L2240/12—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L2240/36—Temperature of vehicle components or parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • B60L2240/423—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
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    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B62J45/40—Sensor arrangements; Mounting thereof
    • B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
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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
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    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
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200406336 五、發明說明（1) ' 【發明所屬之技術領域】 ~ 本發明係有關於電動自行車。 【先前技術】 在電動自行車，為了驅動後輪，包括以馬達為驅動源 之電動驅動機構，為了供給該馬達電力，具有蓄電池等電 源部。 在特開2 0 0 1 -30 9 74號公開，在下坡等之行駛剎車時， 向電源部回收因馬達轉動而產生之電力，將電源部充電。 [專利文獻1 ] φ 特開 2 0 0 1 -3 0 974 號 【發明内容】 發明要解決之課題 在上述之習知例，操作剎車時，利用剎車機構之制動 和利用再生制動之制動同時作用，突然制動。 又，操作後輪之剎車時，利用剎車機構之制動和利用 再生制動之制動作用於後輪，突然制動。 本發明為解決上述之問題點，其目的在於在利用剎車 之操作產生再生制動之情況，消除突然的制動。 丨· 解決課題之手段 本發明之電動自行車包括：人力驅動機構，向後輪傳 達來自踏板之人力驅動力；及電動驅動機構，以驅動前輪
7063-5837-PF(Nl).ptd 第5頁 200406336 五、發明說明（2) ____ =為驅動源；其特徵在於：在對後輪之剎車摔作日± J:j輪制動’而且將該前輪之馬達 ：： 輪再生制動。 ％风對该前 又，本發明之電動自行車包括：人力 =達來自踏板之人力驅動力…動驅動=構以= ，將該馬達用作發電機而對車輪再= = ^及照這樣再生制動同時利用剎車機構制動之第二= 【實施方式】 裝裝^斤車示^^自山行車包括：車架踏板曲柄2，安 柄2轉動；以及ί:ΓΒ=? ’·第—鏈輪4，用該踏板曲 ::種人力驅動機：2曲柄』t鏈條6轉動。利 動力。 再j门傻輪3β傳達來自踏板11之人力驅 又’包括 · < 於該前輪3Α之前2 f3A ’裝在丽叉7之下端；馬達9，内藏 該馬達9電力毅8 ’驅動前輪3A ;以及電池1〇，供給 動前輪3A。而，二'這種電動驅動機構以馬達9為驅動源驅 1 5之控制倉4 2。 罙1之下^ °又置内藏後述之控制電路 又，如圖2斛- 在騎車的人之二在把手23，和-般之自行車一樣， 安裝前剎車桿丨7 P女鼽後剎車桿1 7 B，在騎車的人之左側 。而，在將前輪3A制動之剎車機構上， 200406336 五、發明說明（3) 又:ί置使剎車塊推壓前輪3A之鋼圈而制動之側剎車 ί動!;者握緊前刹車桿17F之操作，拉内鋼絲，令刺車 乍。而，在將後輪3B制動之剎車機構上，在後輪扑 之中心利用鼓形剎車1 7 Y。 J形：車m係周知之構造’如圖3之 =二B 架1之固定糾之周圍包括具有設置成 :後^一起自由轉動之環狀部71A之圓板形剎車鼓η。 :摔ί刹側設置刹車塊72 ’利用後刹車桿ΐ7Β 接和剎車鼓71之環狀部m之内圈滑
接將剎車豉71之轉動（即後輪3Β之轉動）制動。車 口疋之#部73八向前方向延伸出去（參照 有和該臂部73A相鄰之固定部73B，固定徭 昝ΜΗ ^ A u疋後剎車鋼絲57之外 吕57b，内鋼絲57a固定於連結構件74， 刹車塊72之延伸棒連結。此外，如圖!(以件74 =作 73B如周知般設置調整用螺絲A、 4疋部 R7夕且命 °周整後剎車鋼絲 =之長度。利用這種構造，藉著握緊後刹 ：” 作，拉後剎車鋼絲57之内鋼絲57a，連έ 之刼 L伸卜移動，令剎車塊72動作，將後輪36制動。 使
本電動自行車，當踏踏板丨i時，踏 踏板曲柄2驅動後輪3Β時，檢測人力之扭力，< /、3Β。用 給在珂車轂8内藏之馬達9電力，馬達9 電池1 0供 1Α。Φ / i 助性的驅動前輪· 電動自仃車在低於設定速度之區域，控制供給馬達 ζ
7063-5837-PF(Nl).ptd 第7頁 200406336
200406336 五、發明說明（5) — "一·— 電源時，不產生這種轉動力，和一般之自行車一樣的騎。 位於大致中央之圓形之第二操作按鈕4 2，係設定馬達 9之輔助性之轉動力之程度（模式）的，詳細說明之，將該 程度切換為小、自動、大，在未按壓時突出，在按壓時凹 下。藉著第二操作按鈕4 2之按壓操作，令配置於模式顯示 部43之3個透明之圓形顯示窗44之中之對應之一個點亮。、 在各圓形顯示窗44下配置發出紅色光之LED。關於模式， 自顯不窗44之左側依次和省能源（轉動力程度小）、自 (大V人輔之Λ力扭力小時’輔助率小；來自人之踏力扭力 大牯，輔助率大）、標準（轉動力程度大）對應。 電池ί於ί ϊ i側之電池剩餘量•再生充電顯示部45顯示 :生示再生充電狀態。不操作後剎車桿m而 控制電路15依據電：之二顯不電池10之剩餘量，白 顯…之剩餘、使用電力量之累計等， 圓形之顯示窗46，令示部45 ’設置3個透明之 點亮。此外，在各二〆1牙、里1應之一個剩餘量顯示窗46 用led之點亮，點亮剩餘量顯示二之下配置』色咖，利 又’握後剎車桿1 7 R$ 在這些顯示窗46、46、4fi έ + y生充電之狀態，藉著使得 熄滅之狀態跑動，可黯* a工往右依次各顯示窗46點亮、 再生充電之狀態。° 6、人可用眼看而掌握再生制動、 又，控制電路1 5自⑽口 比設定溫度高之過執二二$測器丨9輸入電路元件之溫度 、熱異吊信號時，切斷來自電池1〇之電
7063-5837-PF(Nl).ptd 第9頁 200406336 五、發明說明
济L，{呆言隻電 壓感測哭2 1 。此外，控制電路1 5依據電流感測器20和電 電'二：剩=入f號控制供給馬達9之電流’而且計算 放電。以下」 控制放電電流，使得電池1 〇不會變成過 後述所示，况明浸水感測器22之功用。省略詳細說明，如 測器1 3 Z電！7 了向控制電路1 5傳達來自轉動之曲柄扭力感 無法正常的ϊ ί ΐ 1採用滑環，但是當該滑環被水弄濕時 水，檢測到芦火1氣輸出。因而，用浸水感測器22檢測浸 停止驅動馬二Q7。時，因無法依照踏力正常的驅動馬達9， 輪4。曲圖U力感測器13内藏於用踏板曲柄2轉動之第-鏈 圖。在圖?:圖内8;曲柄，力感㈣ 示之第一鏈_4勺二不 '"弟鏈輪4之立體圖。在這些圖所 齒（圖上未干^ 外輪24 ’在外周另外設置掛鏈條6之 角度。如圖9之==於外輪24可轉動既定之 外用栲％ # 面圖所不，内輪25在外周緣設置導引之 ’使得可轉動外輪24 广弓之 可轉動外輪24之内周妗徊+ α r门價Zb ^引成使侍 周部設置用以；：；： ：：會在轴向脫落。外輪24在内 古A二V 柄扭力感測器13之凹部27。内於25且 有向外輪24之凹部27突出之驅動臂28，在該=二 部27之間配設曲柄扭力感測器13。内輪 ^ 包括内藏曲柄扭力感測器以之筒部29, Ξ亥二之 内側配設曲柄扭力感測器13。此 1 :亥冋州之 扭力感測器13之反側配設係推壓 8 f娅觸曲柄 &坪η之線圈彈簧30。線圈
200406336
五、發明說明（7)
彈簧30以固定之壓力向曲柄扭力感測器13推壓驅動臂28。 外輪24向凹部27突出，設置在線圈彈簧30插穿之凸部3ι : 線圈彈黃30向外輪24之凸部31插入，裝入内輪25之行立 後配置於定位。該第一鏈輪4當用踏板曲柄2轉動内29 時’驅動臂28經由曲柄扭力感測器1 3令外輪24轉動Γ踏 曲柄2之轉動力經由曲柄扭力感測器丨3轉動外輪以，外輪反 24經由鏈條6令轉動後輪3B。強的踏力作用於踏板u時「 内輪2 5推壓曲柄扭力感測器丨3之壓力也變強。因此，曲柄 扭力感測器1 3檢測所作用之壓力，可檢測踏板曲柄2之轉 動扭力。本圖之曲柄扭力感測器1 3係利用磁歪元件之壓力 感測器，關於來自曲柄扭力感測器1 3之電氣輸出，省略詳 細說明，為了得到來自轉動之曲柄扭力感測器丨3之電氣輸 出，利用彈簧，用控制電路1 5檢測。 但，本發明未將曲柄扭力感測器丨3特定為壓 器。曲柄扭力感測器13也可使用位移感測器。圖1〇表示在 曲柄扭力感測器1 3使用位移感測器具體例。本圖之第一鏈 輪4，在内輪25之驅動臂28設置凸部28A，用位移感測器檢 測該凸部28A之移動。在内輪25之驅動臂28和外輪24之凹 部27之間配設係推壓彈簧之線圈彈簧32。線圈彈簧32當踏 板曲柄2之驅動内輪25之踏力愈強時愈受到壓縮而變短。 線圈彈簧32受到壓縮時，内輪25之驅動㈣之凸部28A接 近位移感測器，或者被推入位移感測器、。用位移感測器檢 測凸部28A之移動位置後’檢測踏板曲柄2之扭力。 其次’說明係本發明之特徵點之再生制動之開關機 200406336 五、發明說明（8) 構。再生開關1 8係檢測操作了後剎車桿1 7B之開關，設置 於用剎車桿1 7拉之後剎車鋼絲5 7之途中（參照圖1 )。此 外，再生開關1 8也可設置於後剎車桿1 7B内。 使用圖1 1、圖1 2說明設置於後剎車鋼絲5 7之途中之例 子。再生開關1 8如圖所示，包括：箱形之開關盒5 〇，裝在 後剎車鋼絲57之長度之中；滑套51，在開關盒5〇内裝在後 剎車鋼絲5 7之内鋼絲5 7 a ;磁鐵5 2，裝在滑套5 1之上面； 以及簧片開關54，裝在開關盒内之電路板53(電氣配線圖 亡未示），和磁鐵52相向。此外，57b係後剎車鋼絲57之外 管。 簧片開關54當磁鐵52位於圖n之狀態（未操作後刹車 =之=係不導通，如圖12所示，自此狀態利用内 鋼、，糸57a之私動向左方移動時變成導通。此外，雖 不，開關盒50大致為箱形，為密閉構造。 ’ 以下說明在這種開關機構之自 踏踏板U而使自行車運轉 =轉日守之動作。當 力，馬達9辅助性的驅動前輪3A。二力感測器1戰^ 黃片開關54 =磁鐵52位於圖u所示之狀鎮再生開關18之 剎車鋼絲57 S ^ H 4車^17β進行刹車操作時，拉後 後輪3B制動。 早鬼72和剎車鼓71滑接，將 控制電路15輸入操作了 時，向控制電路15輪出以信 號
於是，照這樣操作^ I 以一一乍w車’再生開關18變成導通狀態 五、發明說明（9) 剎車之信號時，將馬遠 動，向電池10充電。护^φ發電機，對前輪3A再生制 線圈之電流之時序，將民:路1 5控制流向馬達9之場磁鐵 電。控制電路15檢測電 流下再生制動’向電池! ^電池10過電 操作剎車，也停止再生，t窀P電池1 0充電滿了時’ 檢測操作；剎=再之充電。 動，而且可有效的回收運動!ΐ之：：自行車可圓滑的制 具有可使自行車迅速的停Ί 充電。因而’ 距離變長之特點。 而且可使利用電池10之行駛 而，在本實施例，握後剎車桿〗7Β 稍微位移，即淺握)時，簽片開關 =成(丨 =二關18變成導通狀態，變成再生制動之狀態(第 :日、此外，若深握後刹車桿17B，保持再生制動 絲…’連結構件74位移，使延伸棒 矛夕動’令求彳車塊72動作，調整後剎車 ._ ^ ^ + 3B制動(第二制動狀態）。…W車鋼絲57 ’使付將後輪 此外，也可按照需要調整後剎車鋼絲57，令再生制 和利用令料塊72動作之料機構之㈣同時作^。制動 18传二Ϊ Ξ11、圖12戶:示’在本電動自行車，再生開關 # - ρ"田伽巧關54 ’但是也可使用極限開關60替代之，如 ”_F和表示開_之圖14所示。此外，在兩圖， b i係衣在後剎車鋼絲5 7之内鋼絲5 7 &之動作片。 在以上之實施例，在自行車之行駛中，& 了後輪3β之
7〇63-5837-PF(Nl).ptd 200406336 五、發明說明（ίο) 制動，若緩慢的握狳由 11所示之狀態移至圖;:桿ln ’首先，再生開關18自圖 變成低速為止，可；=:士桿178之握狀態，至馬達9 態之再生制動之狀Ϊ持在係該第一制動狀 β ，％日/ $4心騎車的人在騎車中可感受制動之觸 46:4βΪί:Ϊ操作部16,如上述所示，因顯示窗46、 進行再生：動，！1次各顯示窗46點亮、熄滅之狀態跑動， 士 ，可用眼看而掌握再生充電之狀態。 持導態ί再深握後刹車桿ΐ7Β ’再生開關18繼續保 !: Ϊ 生制動，而且拉内鋼絲…，連結構件74 位移’使延伸棒移動，令制車 動之第二制動狀態 動作’變成將後輪㈣ 發明之效果 在本發明之電動自行車 時，將後輪制動，而且將前 再生制動，利用對後輪之剎 制動。因而，在上述之習知 之制動突然作用於後輪，但 可安定的停止。 ，藉著在對後輪之剎車操作 輪之馬達用作發電機，對前輪 車操作，可將後輪及前輪同時 ，，再生制動和利用剎車機構 是在本發明，因對兩輪制動，
又’在本發明 括將馬達用作發電 及照這樣再生制動 之電動自行車，在 機而對前輪再生制 同時利用剎車機構 剎車桿之操作時， 動之第一制動狀態 制動之第二制動狀 包
200406336 五、發明說明（11) _____— 一 態。在上述之習知例，利 動之制動同時作用，因 f車機構之制動和利用再生制 速，無法在充分長之時間=剎車機構之制動迅速的變成低 只保持再生制動n〖:電/旦是在本發日月，因可 不會消耗行駛中之電動：：二剎車機構之制動 動。而且，利用丑a心 皁 運動阢1，可用於再生制 〗用再生制動可將電池充電。 生制 源之電動驅動撫m 丁 _ | , 將馬達作為驅動 初錢構不限驅動前輪，也可驅動後輪。$勒 7063-5837-PF(Nl).ptd 200406336 圖式簡單說明 圖1係本發明之一實施例之電動自行車之側視圖，（a) 係整體之側視圖，（b)係後輪部分之擴大側視圖（架豎立之 狀態）。 圖2係本發明之一實施例之電動自行車之上視圖。 圖3係本發明之一實施例之鼓型剎車之主要部分之剖 面圖。 圖4係驅動圖1所示電動自行車之馬達之電路之方塊 圖 圖5係本發明之一實施例之手操作部之上視圖。 圖6係表示圖1所示電動自行車之第一鏈輪之概略圖。 圖7係第一鏈輪之立體圖。 圖8係圖7所示第一鏈輪之背面立體圖。 圖9係第一鏈輪之概略剖面圖。 圖1 0係表示曲柄扭力感測器之別例之概略圖。 圖1 1係再生開關之開關盒之剖面圖，表示不導通狀 態 狀態 圖1 2係再生開關之開關盒之剖面圖，表示導通狀態。 圖1 3係別的再生開關之開關盒之剖面圖，表示不導通 〇 圖1 4係別的再生開關之開關盒之剖面圖，表示導通狀 態 符號說明 1 車架 2 踏板曲柄
7063-5837-PF(Nl).ptd 第16頁 200406336 圖式簡單說明 3 A 前輪 4 第一鏈輪 6 鏈條 3 車輪 3B 後輪 5 第二鏈輪 7 前叉 8 前 輪 轂 9 馬達 10 電 池 11 踏板 12 鍵 12 B 鍵 13 曲 柄 扭 力 感 測 14 轉動 用 感 測 器 15 控 制 電 路 16 手操 作 部 17 剎 車 桿 17B 後剎 車 桿 17F 前 剎 車 桿 17X 剎車 17Y 鼓 形 剎 車 18 再生 開 關 19 溫 度 感 測 器 20 電流 感 測 器 21 電 壓 感 測 器 22 浸水 感 測 器 23 把 手 24 外輪 25 内 輪 26 外環 槽 27 凹 部 28 驅動 臂 28A 凸 部 29 筒部 30 線 圈 彈 簧 31 凸部 32 線 圈 彈 簧 32 凸部 33 線 圈 彈 簧 41 第一 操 作 按 姜丑 42 第 二 操 作 按 紐 43 模式 顯 示 部 44 顯 示 窗 45 顯示 部 46 顯 示 窗 50 開關 盒 51 滑 套
7063-5837-PF(Nl).ptd 第17頁 200406336 圖式簡單說明 52 磁 鐵 53 電 路 板 54 簧 片 開 關 57 後 剎 車 鋼 絲 57A 内 鋼 絲 57B 外 管 60 極 限 開 關 61 動 作 片 71 剎 車 鼓 71 A 環 狀 部 72 剎 車 塊 73 剎 車 保 持 部 73A 臂 部 73B 固 定 部 74 連 結 構 件 A 調 整 用 螺 絲 B 螺 帽 F 固 定 軸 #
7063-5837-PF(Nl).ptd 第18頁

Claims (1)

  1. 200406336 六、申請專利範圍 1. 一種電動自行車，包括： 人力驅動機構，向後輪傳達來自踏板之人力驅動力； 及 電動驅動機構，以驅動前輪之馬達為驅動源； 其特徵在於： 在對後輪之剎車操作時，對該後輪制動，而且將該前 輪之馬達用作發電機，對該前輪再生制動。 2. —種電動自行車，包括： 人力驅動機構，向後輪傳達來自踏板之人力驅動力； 及 電動驅動機構，以驅動車輪之馬達為驅動源； 其特徵在於： 在剎車桿之操作時，包括將該馬達用作發電機而對車 輪再生制動之第一制動狀態，及照這樣再生制動同時利用 剎車機構制動之第二制動狀態。
    7063-5837-PF(Nl).ptd 第19頁
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