TWI292461B - - Google Patents
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- TWI292461B TWI292461B TW094116134A TW94116134A TWI292461B TW I292461 B TWI292461 B TW I292461B TW 094116134 A TW094116134 A TW 094116134A TW 94116134 A TW94116134 A TW 94116134A TW I292461 B TWI292461 B TW I292461B
- Authority
- TW
- Taiwan
- Prior art keywords
- motor
- drive
- rotor
- electric vehicle
- cooling structure
- Prior art date
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- 230000005540 biological transmission Effects 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000007858 starting material Substances 0.000 description 13
- 230000009467 reduction Effects 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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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
- B60L15/2054—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 by controlling transmissions or clutches
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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
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
- F01P1/06—Arrangements for cooling other engine or machine parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0487—Friction gearings
- F16H57/0489—Friction gearings with endless flexible members, e.g. belt CVTs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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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
- B60L2240/421—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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
- B60L2240/441—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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/48—Drive Train control parameters related to transmissions
- B60L2240/486—Operating parameters
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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
- B60L2240/50—Drive Train control parameters related to clutches
- B60L2240/507—Operating parameters
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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
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/26—Transition between different drive modes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2050/00—Applications
- F01P2050/16—Motor-cycles
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
Description
1292461 (1) 九、發明說明 【發明所屬之技術領域】 本發明是關於以驅動馬達來作爲動力或輔助動力來進 行行駛的電動車輛之馬達冷卻構造。 【先前技術】 將馬達作爲動力的電動車輛,與將引擎作爲動力的習 知的汽機車比較起來,沒有大氣污染且噪音公害也較小, 加減速的回應性較佳,而相反的,由於電池能力的限制, 所以其續航距離較短,而相對於每單位行駛距離的能量單 價會較高,會有經濟性較差的缺點。因此,爲了彌補這種 僅以馬達行駛的電動車輛的缺點,且發揮其優點,將搭載 了馬達與引擎的油電混合動力型的電動車輛予以實用化。 另一方面,作爲變速機是具備了皮帶式的無段變速機 ’在這種將其收容於動力單元殼體內的車輛,是藉由驅動 側及從動側的各皮帶輪與皮帶的摩擦熱,讓動力單元殼體 內被加熱。因此,如專利文獻1所揭示,在動力單元殼體 ’是採用了能有效率地將外氣導入到其內部來將其冷卻的 排氣構造。 【專利文獻i】 曰本特開昭62- 1 6530號公報 【發明內容】 〔發明欲解決的課題〕 -5- (2) 1292461 在電動車輛,發熱量較大的驅動馬達是與皮帶式的無 段變速機一起被收容於動力單元殼體內。可是,上述的習 知的冷卻構造,發熱源是限定於變速機或啓動馬達,爲了 將發熱量較小的引擎車輛用的動力單元作爲對象,即使就 這樣將其適用於發熱量較大的電動車輛,也很難充分地將 動力單元殼體內部冷卻。 本發明的目的,是要解決上述習知技術的課題,要提 供一種電動車輛之馬達冷卻構造,在電動車輛的動力單元 殼體內,能有效率地冷卻驅動馬達。 〔用以解決課題的手段〕 爲了達成上述目的,本發明,是電動車輛的馬達冷卻 構造,其特徵如下述的手段。 (1 )是具備有:連結於驅動輪的驅動馬達、用來收 容驅動馬達的動力單元殼體、用來將外氣作爲冷卻氣流導 入到動力單元殼體內的進氣口、以及設置在上述驅動馬達 的附近的排氣口,上述進氣口與排氣口,是經由上述驅動 馬達的定子與轉子的間隙而連通在一起。 (2 )上述排氣口,從車輛的側面觀察,是被配置在 驅動馬達的投影區域內。 (3 )具備有:隔著預定的間隔來覆蓋上述排氣口的 罩覆構件。 (4 )包含有:以循環狀皮帶將驅動皮帶輪與從動皮 帶輪予以連結所構成的無段變速機、與上述驅動皮帶輪設 -6 - (3) 1292461 置成同軸狀的進氣風扇、以及將上述驅動馬達與從動皮帶 輪連結成同軸狀的驅動軸;上述進氣口是設置在上述進氣 風扇附近。 (5 )包含有:在定子的外周側配置轉子的外轉子型 馬達、以及與上述外轉子的軛部相對向,與該轉子連結成 同軸狀的風扇,在上述外轉子的軛部與風扇之間,設置有 預定的間隙。 (6 )在上述轉子的軛部,是開設有通氣口。 〔發明效果〕 藉由本發明,可達成以下的效果。 - (1 )藉由第1發明,由於能有效率地冷卻驅動馬達 ,所以不只能將冷卻風扇小型化,還能抑制動力單元殼體 內的溫度上升的情形,而能提昇無段變速機的耐久性。 (2 )藉由第2發明,能夠將驅動馬達的定子所產生 的熱量有效率地從車輛的側面排出。 (3 )藉由第3發明,能夠防止污泥或水從車輛外部 侵入到動力單元殼體內,且能有效率地將動力單元殼體內 的熱量排出到車輛外部。 (4 )藉由第4發明,僅以設置於無段變速機的驅動 側的進氣風扇,則不只是無段變速機的驅動側,還能冷卻 至皮帶及從動側。 (5)藉由第5發明,由於在外轉子的軛部與風扇之 間形成了通風路線,所以能有效率地冷卻外轉子型馬達。 -7 - (4) 1292461 (6 )藉由第6發明,在外轉子型馬達的定子所產生 的熱量,會從轉子的軛部所形成的通氣口,經過在上述軛 部與風扇之間所形成的通風路線,而排氣到外部,所以能 夠更有效率地將外轉子型馬達予以冷卻。 【實施方式】 以下,參照圖面針對本發明的較佳實施方式來詳細說 | 明。第1圖,是適用本發明的馬達冷卻構造的速克達型油 電混合動力車輛的一實施方式的側面圖。 油電混合動力車輛,在車體前方是具有用來軸支承前 輪WF的前叉1,該前叉1,是被樞支在頭管2,藉由車把 3的操作而可轉向。從頭管2朝向後下方安裝有下管4, 從該下管4的下端起略水平地延伸設置有中間框架5。從 中間框架5的後端起,是朝向後上方形成有後部框架6。 在以這種方式構成的車體框架10,是樞支安裝著: φ包含作爲動力源的引擎、馬達及動力傳達機構的動力單元 1 1的其中一端。動力單元1 1,在其後方的另一端側是可 旋轉地安裝著驅動輪也就是後輪WR,並且藉由安裝於後 部框架6的後避震器所懸吊著。 車體框架1 0的外周是以車體外殼1 3所覆蓋,在車體 外殼1 3的後方且上面部,是固定著讓搭乘者乘坐的座墊 1 4 °在座墊1 4的更前方處是形成有讓搭乘者放置腳部的 腳踏板1 5。在座墊14的下方,是設置有:例如用來收容 安全帽或行李等的作爲應用空間的機能的置物箱i 00。 -8- (5) (5)1292461 第2圖,是顯示上述油電混合車輛的系統構造的方塊 圖,上述動力單元11,是具備有:引擎20、作爲引擎啓 動機及發電機的機能的ACG啓動馬達21a、與曲軸22連 結而將引擎20的動力傳達到後輪WR的無段變速機(動 力傳達手段)23、使上述無段變速機23的變速比變化的 變速馬達77、用來將曲軸22與無段變速機23的輸入軸 之間的動力傳達予以分離連接的起步離合器4 0、作爲發 動機或發電機的機能的驅動馬達2 1 b、將動力從引擎20 及驅動馬達2 1 b傳達到後輪WR側,但是不會將動力從後 輪WR傳達到引擎20側的單向離合器44、以及將來自於 無段變速機23的輸出予以減速而將其傳達到後輪WR的 減速機構69;這些構造是收容在動力單元殻體內。 引擎20的動力,是從曲軸22,經由起步離合器40、 無段變速機23、單向離合器44、驅動軸60、及減速機構 69,而傳達到後輪WR。另一方面,驅動馬達2 1 b的動力 ,是經由驅動軸6 0及減速機構6 9而傳達到後輪WR。也 就是在本實施方式中,驅動軸60是兼作爲驅動馬達21b 的輸出軸。 在ACG啓動馬達21a及驅動馬達21b,是連接著電 池74。該電池74,當驅動馬達2 1 b作爲發動機的機能, 且ACG啓動馬達21a作爲啓動機的機能時,是將電力供 給到馬達2 1 a、2 1 b,當ACG啓動馬達2 1 a及驅動馬達 21b作爲發電機的機能時,是充電其再生電力。 在引擎20的進氣管16內,是可自由轉動地設置有用 - 9- (6) 1292461 來控制空氣量的油門閥1 7。該油門閥1 7,會因應於搭乘 者所操作的油門把手(沒有圖示)的操作量而轉動。在油 門閥1 7與引擎20之間,是配設有:用來噴射燃料的噴射 器1 8、及用來檢測進氣管內的負壓的負壓感應器1 9。 接下來針對第3圖,針對包含了引擎20及驅動馬達 2 1 b的動力單元1 1的構造來加以說明。 引擎20,是具備有:經由連桿24連結在曲軸22的 活塞25。活塞25,可於氣缸體26所設置的氣缸27內滑 動,氣缸體26是配設成讓氣缸27的軸線成爲略水平。在 氣缸體26的前面部是固定有氣缸頭28,是以氣缸頭28、 氣缸2 7及活塞2 5,形成了用來使混合氣燃燒的燃燒室 2 0 a ° 在氣缸頭28,是配設有:用來控制混合氣對於燃燒 室20 a的進氣或排氣的閥體(沒有圖不)、以及火星塞 29。閥體的開閉,是藉由軸支承於氣缸頭28的凸輪軸30 •的旋轉所控制的。凸輪軸3 0在其中一端側具備有從動鏈 輪3 1,在從動鏈輪3 1、以及設置在曲軸2 2的其中一端的 驅動鏈輪3 2之間’是繞掛著循環狀的凸輪鏈條3 3 °而在 凸輪軸3〇的其中一端,是設置有用來冷卻引擎20的冷卻 水泵浦3 4。冷卻水泵浦3 4 ’是安裝成讓其旋轉軸3 5與凸 輪軸3 0 —體地旋轉。於是’當凸輪軸3 0旋轉時’則能讓 冷卻水泵浦3 4作動。 在用來軸支承曲軸22的作成動力單元殻體的一部分 的曲軸箱48的車寬方向右側’是連結著定子殻體49 ’在 -10- (7) 1292461 其內部收容著ACG啓動馬達21a。該AC G啓 ,是所謂的外轉子形式的馬達,該定子5 1 ’ 線繞掛在定子殻體49所固定的齒部的線圈50 另一方面,外轉子52,是固定於曲軸22 蓋定子的外周的略圓筒形狀。在外轉子5 2的 定設置有磁鐵53。在上述曲軸22的車寬方向 ,用來冷卻ACG啓動馬達21a的風扇54a,是 在其與外轉子5 2的軛部5 2 a之間設置有通氣 當該風扇54a與曲軸22同步旋轉時’冷卻用 從在定子殼體4 9的外殼5 5的側面5 5 a所形成 入口 39,進入到動力單元殼體內。 在曲軸箱48的車寬方向左側’是連結著 元殻體的一部分的傳動箱5 9,在其內部收容 曲軸22的左端部的風扇5 4b、經由起步離合器 側連結在曲軸22的無段變速機23、以及連結 機2 3的從動側的驅動馬達2 1 b。風扇5 4 b ’是 於傳動箱59內的無段變速機23及驅動馬達2 的構造,相對於無段變速機23是配置在與驅 同一側,也就是說在本實施例中是一起配置在 側。 無段變速機23 ’是在:經由起步離合器 在從曲軸箱4 8朝車寬方向突出的曲軸2 2的左 側傳動皮帶輪5 8、以及具有與曲軸22平行的 單向離合器44,被安裝在傳動箱59所軸支承 動馬達2 1 a 是由:將導 所構成。 ,是成爲覆 內周面是固 右側的端部 被安裝成: 用的間隙, 的空氣,會 的冷卻氣流 作成動力單 著:固定於 f 4 0將驅動 在無段變速 用來將收容 1 b予以冷卻 動馬達2 1 b 車寬方向左 40,被安裝 端部的驅動 軸線,經由 著的驅動軸 -11 - (8) 1292461 6 0的從動側傳動皮帶輪6 2之間,繞掛著循環狀的v形皮 帶63的皮帶轉換器。 驅動側傳動皮帶輪5 8,如第4圖的主要部分放大圖 所示,是具備有:經由套筒58d被安裝成可朝向相對於曲 軸22的圓周方向自由旋轉,且被固定於套筒58d上的驅 動側固定皮帶輪半體5 8 a、以及被安裝成可相對於套筒 5 8 d的軸方向滑動,但不能朝其圓周方向旋轉的驅動側可 動皮帶輪半體58c。在上述驅動側可動皮帶輪半體58c, 是經由軸承56可自由旋轉地安裝著變速環57。 在上述變速環57,在其外周大直徑部是沿著圓周方 向形成有齒輪6 1,並且在內周沿著軸方向形成有梯形螺 栓65。在上述梯形螺栓65,是嚙合著梯形螺栓67,該梯 形螺栓67,是安裝成:經由軸承66相對於上述套筒58d 朝其圓周方向可自由旋轉,而朝其軸方向不能滑動。在上 述變速環57的齒輪61是嚙合著蝸輪部75,在該蝸輪部 75,是嚙合著:用來控制變速比而連結於變速馬達77的 旋轉軸的蝸輪7 6。 另一方面,從動側傳動皮帶輪62,是具備有:經由 套筒62d在驅動軸60被安裝成限制其軸方向的滑動而在 圓周方向可自由旋轉的從動側固定皮帶輪半體62a、以及 在套筒62d上被安裝成可朝其軸方向滑動的從動側可動皮 帶輪半體62b。 在該驅動側固定皮帶輪半體5 8a與驅動側可動皮帶輪 半體58c之間,以及在從動側固定皮帶輪半體62a與從動 -12- (9) 1292461 側可動皮帶輪半體6 2 b之間’所分別形成的剖面呈略v 字型的皮帶溝槽,繞掛著循環狀的v型皮帶63 °在從動 側可動皮帶輪半體62b的背面側(車寬方向左側)’是配 設有··隨時將從動側可動皮帶輪半體62b朝向從動側固定 皮帶輪半體6 2 a側彈壓的彈簧(彈性構件)6 4 ° 當使自動變速機23的變速比變化時’會將變速馬達 77朝向因應於變速比的上升/下降的方向驅動。變速馬 達7 7的驅動力,會經由蝸輪7 6及蝸輪部7 5而傳達到變 速環57的齒輪61,而使該變速環57旋轉。變速環57是 經由梯形螺栓65、67而與套筒58d嚙合’其旋轉方向如 果是升檔方向的話,則變速環57會於曲軸22上朝圖中左 方向移動,伴隨著讓驅動側可動皮帶輪半體5 8 c朝向驅動 側固定皮帶輪半體58a側滑動。 以該滑動部分讓驅動側可動皮帶輪半體5 8c接近驅動 側固定皮帶輪半體5 8a,驅動側傳動皮帶輪5 8的溝槽寬 度會減少,所以驅動側傳動皮帶輪5 8與V形皮帶63的 接觸位置會朝向驅動側傳動皮帶輪5 8的半徑方向外側偏 移,V形皮帶63的繞掛直徑會增加。伴隨著,在從動側 傳動皮帶輪62,藉由從動側固定皮帶輪半體62a與從動 側可動皮帶輪半體62b所形成的溝槽寬度會增加。也就是 說,會因應於曲軸22的轉數,V形皮帶63的繞掛直徑( 傳達節圓直徑)會連續性地變化,變速比會自動且無階段 地變化。 起步離合器40,是具備有··固定安裝在上述套筒58d -13- (10) 1292461 的杯狀的外殼體40a、固定安裝在曲軸22的左端部的外 板部40b、經由配重部40c而朝向半徑方向外側安裝在外 板部40b的外周部的來令片40d、以及用來將來令片40d 朝向半徑方向內側彈壓的彈簧40e。 當引擎轉數也就是曲軸22的轉數爲預定値(例如 3 000 rpm )以下時,曲軸22與無段變速機23之間的動力 傳達會被起步離合器40遮斷。引擎轉數會上升,當曲軸 _ 22的轉數超過上述預定値時,作動於配重部40c的離心 力會克服彈簧40e朝半徑方向內側作動的彈性力,藉由配 重部40c朝半徑方向外側的移動,讓來令片40d以預定値 以上的力量按壓外殻體40a的內周面。藉此,讓曲軸22 的旋轉會經由外殼體40a而傳達到套筒58d,將固定於該 套筒5 8d的驅動側傳動皮帶輪5 8予以驅動。 單向離合器44,是具備有:杯狀的外離合器44a、同 軸地內插於該外離合器44a的內離合器44b、以及從內離 φ合器44b對外離合器44a可傳達單方向的動力的滾子44c 。外離合器44a,是兼作爲驅動馬達21b的內轉子80,是 以與內轉子8 0相同的構件所構成。外離合器4 4 a的內周 與驅動軸60是互相花鍵結合著。 無段變速機23的傳達到從動側傳動皮帶輪62的來自 於引擎20側的動力,是經由從動側固定皮帶輪半體62a 、內離合器44b、外離合器44a也就是內轉子主體、驅動 軸6 0、及減速機構6 9,而被傳達到後輪WR,相對的, 當推動車輛時或再生動作時,來自於後輪WR側的動力, -14- (11) 1292461 雖然會被傳達到減速機構6 9、驅動軸6 0、內轉子主體也 就是外離合器44a,而由於該外離合器44a是相對於內離 合器44b空轉,所以不會傳達到無段變速機23及引擎20 〇 回到第3圖,減速機構6 9,是設置在:與傳動箱5 9 的後端部右側相連的傳達室7〇內,具備有:與驅動軸60 及後輪WR的車軸68平行地被軸支承的中間軸73 ’並且 具備有:分別形成在驅動軸60的右端部及中間軸73的中 央部的第一減速齒輪組7 1、以及分別形成在中間軸73的 右端部及車軸68的左端部的第二減速齒輪組72。藉由該 構造,驅動軸60的旋轉會以預定的減速比減速,而被傳 達到與其平行地被軸支承的後輪WR的車軸6 8。 接著,針對本實施方式的冷卻構造,參照上述第4圖 及第5圖、第6圖來說明。第5圖是從車寬方向左側來看 動力單元1 1的側面圖,第6圖是上述ACG啓動馬達21a 附近的主要部分放大圖。 如第4圖、第5圖所示,在傳動箱59的與風扇54b 鄰接的左側面,安裝著:具備有空氣過濾器4 1的傳動箱 外殼59a,在傳動箱外殼59a的車體後側與傳動箱59之 間確保著通氣用的間隙。在傳動箱外殼5 9a,形成了面對 於上述間隙部的冷卻氣流入口 59b。當風扇54b與曲軸22 同步旋轉時,外氣會從上述冷卻氣流入口 5 9b進入到傳動 箱外殼59a內,在經過空氣過濾器41的過濾之後,被導 入到傳動箱5 9內,而強制性地將無段變速機2 3冷卻。然 -15- (12) 1292461 後’其冷卻氣流的一部分會從中央部排氣口 42被排出到 傳動箱59外’然後被導引到無段變速機23的從動側。 在從動側,在傳動箱5 9的與驅動馬達2 1 b鄰接的側 面是開設有排氣口 43,在其表面是確保著預定的間隙而 安裝著傳動箱外殻46。上述排氣口 43,是經由驅動馬達 2 1b的定子84與轉子83的間隙,而與上述驅動側的冷卻 氣流入口 5 9b連通,從該冷卻氣流入口 5 9b所進入的冷卻 氣流,藉由穿過驅動馬達2 1 b的定子8 4及轉子8 3的間隙 ,來冷卻驅動馬達2 1 b,然後,從上述排氣口 43排出到 外部。 參照第6圖,在ACG啓動馬達21a的外轉子52,在 其軛部52a是開設有通氣口 85。並且,在本實施方式中 ,在馬達殼體86的側面也開設有排氣口 87。當風扇54a 與ACG啓動馬達2 1 a同步旋轉時,外氣會從外殻5 5的側 面5 5a所形成的冷卻氣流入口 39進入,會將ACG啓動馬 達2 1 a冷卻而從上述排氣口 8 7排出到外部。而在本實施 方式中,外轉子5 2的軛部5 2 a與風扇5 4 a是以預定的間 隙d相對向配置著,所以從冷卻氣流入口 3 9所進入的外 氣,會將ACG啓動馬達21a冷卻,然後從上述軛部52a 所開設的通氣口 85,經由上述軛部52a與風扇54a的間 隙,而從排氣口 87排出到外部,所以能夠將ACG啓動馬 達2 1 a有效率地予以冷卻。 在上述實施方式中’從冷卻氣流入口 5 9b被導入到傳 動箱外殼5 9 a內的冷卻氣流’雖然說明是從排氣口 4 2、 -16 - (13) 1292461 43排氣,而也可以藉由將排氣口 42封 動箱外殻59a內的冷卻氣流全部從排氣 如果使被導入到傳動箱外殻59a內 排氣口 4 3排出的話,被供給到驅動馬 的量很大,所以能更有效率地將驅動馬 或者利用以雙金屬等的熱感測性構 蓋體,來覆蓋排氣口 42,如果傳動箱< 溫度以下的話,則將排氣口 42關閉 5 9 a內超過預定溫度的話,則將排氣口 【圖式簡單說明】 第1圖是本發明的油電混合動力車 車的側面圖。 第2圖是顯示第1圖所示的機車的 第3圖是第1圖所示的機車的動力 第4圖是第3圖的主要部分放大圖 第5圖是第4圖的側面圖。 第6圖是第3圖的主要部分放大圖 【主要元件符號說明】 1 1 :動力單元 20 :弓丨擎 2 1 b :驅動馬達 閉,讓被導入到傳 口 43排氣。 的冷卻氣流全部從 達2 1 b的冷卻氣流 達2 1 b冷卻。 件進行開閉動作的 外殼59a內是預定 ,如果傳動箱外殼 42開啓。 :輛的一實施例的機 系統構造的方塊圖 單元的剖面圖。 -17- (14) 1292461 23 :無段變速機 4 1 :空氣過濾器 43、87 :排氣口 44 :單向離合器 52a :轉子軛部 46、59a :傳動箱外殼 5 9b :冷卻氣流入口
6 0 :驅動軸 77 :變速馬達 85 :通氣口
Claims (1)
- (1) 1292461 十、申請專利範圍 1· 一種電動車輛之馬達冷卻構造,其特徵爲: 是具備有: 連結於驅動輪的驅動馬達、 用來收容上述驅動馬達及其動力傳達機構的動力單元 殼體、 用來將外氣作爲冷卻氣流導入到上述動力單元殼體內 I 的進氣口、 以及設置在上述驅動馬達的附近的排氣口, 上述進氣口與排氣口,是經由上述驅動馬達的定子與 轉子的間隙而連通在一起。 2 ·如申請專利範圍第1項的電動車輛之馬達冷卻構 造,其中上述排氣口,從車輛的側面觀察,是被配置在上 述驅動馬達的投影區域內。 3 ·如申請專利範圍第1或2項的電動車輛之馬達冷 φ卻構造,其中具備有··隔著預定的間隔來覆蓋上述排氣口 的罩覆構件。 4 ·如申請專利範圍第1、2或3項的電動車輛之馬達 冷卻構造,其中在上述動力單元殼體內,又收容著: 以循環狀皮帶將驅動皮帶輪與從動皮帶輪予以連結所 構成的無段變速機、 與上述驅動皮帶輪設置成同軸狀的進氣風扇、 以及將上述驅動馬達與從動皮帶輪連結成同軸狀的驅 動軸; -19- (2) 1292461 上述進氣口是設置在上述進氣風扇附近。 5 . —種電動車輛之馬達冷卻構造,其特徵爲: 包含有: 在定子的外周側配置轉子的外轉子型馬達、 以及與上述轉子的軛部在旋轉軸方向相對向,與該轉 子連結成同軸狀的風扇, 在上述外轉子的軛部與風扇之間,設置有預定的間隙 〇 6.如申請專利範圍第5項的電動車輛之馬達冷卻構造 ,其中在上述轉子的軛部,是開設有通氣口。-20-
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-
2004
- 2004-08-05 JP JP2004229416A patent/JP4553298B2/ja not_active Expired - Fee Related
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2005
- 2005-05-18 TW TW094116134A patent/TW200607945A/zh not_active IP Right Cessation
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- 2005-05-27 EP EP05011494A patent/EP1624230B1/en not_active Not-in-force
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CA2512527C (en) | 2008-12-02 |
CA2512527A1 (en) | 2006-02-05 |
US20060027192A1 (en) | 2006-02-09 |
EP1624230A2 (en) | 2006-02-08 |
JP4553298B2 (ja) | 2010-09-29 |
KR20060048822A (ko) | 2006-05-18 |
CN1738160A (zh) | 2006-02-22 |
EP1624230A3 (en) | 2010-06-09 |
ES2366365T3 (es) | 2011-10-19 |
BRPI0502519B1 (pt) | 2017-10-10 |
BRPI0502519A (pt) | 2007-02-13 |
CN1738160B (zh) | 2012-05-23 |
JP2006050809A (ja) | 2006-02-16 |
EP1624230B1 (en) | 2011-06-29 |
TW200607945A (en) | 2006-03-01 |
KR100652539B1 (ko) | 2006-12-01 |
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