WO2013098893A1 - 鞍乗型電動車両 - Google Patents
鞍乗型電動車両 Download PDFInfo
- Publication number
- WO2013098893A1 WO2013098893A1 PCT/JP2011/007334 JP2011007334W WO2013098893A1 WO 2013098893 A1 WO2013098893 A1 WO 2013098893A1 JP 2011007334 W JP2011007334 W JP 2011007334W WO 2013098893 A1 WO2013098893 A1 WO 2013098893A1
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- WO
- WIPO (PCT)
- Prior art keywords
- battery case
- air
- box
- battery
- air box
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
- B62K11/04—Frames characterised by the engine being between front and rear wheels
-
- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- 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
- B62J43/00—Arrangements of batteries
- B62J43/10—Arrangements of batteries for propulsion
- B62J43/16—Arrangements of batteries for propulsion on motorcycles or the like
-
- 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
- B62J43/00—Arrangements of batteries
- B62J43/20—Arrangements of batteries characterised by the mounting
- B62J43/28—Arrangements of batteries characterised by the mounting hidden within the cycle frame
-
- 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
- B62J50/30—Means for ventilation within devices provided on the cycle, e.g. ventilation means in a battery container
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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
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- 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
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
-
- 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
-
- 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
- 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
- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
- B60Y2200/126—Scooters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
- B62K11/10—Frames characterised by the engine being over or beside driven rear wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K2204/00—Adaptations for driving cycles by electric motor
-
- 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
Definitions
- the present invention relates to a straddle-type electric vehicle that is a straddle-type vehicle such as an ATV (All Terrain Vehicle) or a motorcycle and that travels with power generated by an electric motor.
- a straddle-type electric vehicle that is a straddle-type vehicle such as an ATV (All Terrain Vehicle) or a motorcycle and that travels with power generated by an electric motor.
- ATV All Terrain Vehicle
- a straddle-type electric vehicle using an electric motor driven by electric energy stored in a battery as a driving power source has been developed.
- the battery repeatedly generates and generates heat by charging and discharging with a large current due to the acceleration / deceleration operation of the electric motor for driving, which requires appropriate cooling of the battery.
- the battery is exposed to the outside and cooled by running wind, the design is not good when the battery is seen from the outside. Therefore, if possible, the battery should be covered with a case. Therefore, a configuration has been proposed in which the battery is covered with a battery case, and the battery is cooled by taking the traveling wind into the battery cover from the traveling wind inlet provided on the lower side of the battery case (see, for example, Patent Document 1). ).
- the traveling wind intake is open to the lower side, there is a high possibility that muddy water or the like splashed by the wheel from the road surface will enter the battery case.
- an object of the present invention is to provide a straddle-type electric vehicle capable of suitably suppressing moisture from entering the battery case and suitably cooling the battery with air.
- a straddle-type electric vehicle according to the present invention is a straddle-type electric vehicle that travels with power generated by an electric motor, the battery case housing a battery that is a power source of the electric motor, and the upper part of the battery case
- the traveling wind is sent to the battery case via the air box, moisture contained in the traveling wind can be captured by the air box. For this reason, the battery can be air-cooled while suppressing the moisture contained in the traveling wind from entering the battery case. Moreover, since an air box is provided in the upper part of a battery case, the possibility that rainwater may enter the battery case can be reduced.
- the electrical component connected to the battery may be accommodated in the air box.
- the electrical component can be air-cooled with the traveling wind while the electrical component is protected from the outside by the air box. For this reason, it is possible to ensure the operational reliability of the electrical component that generates high heat.
- the battery case may be provided with an inflow duct extending upward in the air box from an upper part of the battery case, and the traveling wind supply port may be provided at an upper end of the inflow duct.
- the battery case may be provided with an outflow port through which internal air flows out, and an outflow duct for guiding the air discharged from the battery case to the outside may be connected to the outflow port.
- the outflow duct may be provided in a rear portion of the air box, and a bypass port may be provided in the rear portion of the air box for communicating the inside of the air box with the inside of the outflow duct.
- the airflow in the air box is activated, and the air in the air box can be flowed well to the outflow duct.
- the cooling performance of an electrical component can be improved by providing such a bypass port.
- the air box may be disposed in front of the seat, and the air box may cover an upper part of the battery case from above, and the outflow duct may cover a rear upper side of the battery case from the rear.
- the upper part of the battery unit can be well protected, and the driver can be physically separated from the battery.
- the upper part of the air box may be openable and closable.
- the space in the air box can be effectively used for storing accessories. Moreover, when the electrical component is arranged in the air box, the maintenance work of the electrical component can be easily performed.
- FIG. 1 is a right side view of an electric motorcycle shown as an example of a straddle-type electric vehicle according to a first embodiment of the present invention. It is sectional drawing of the battery case and air box shown in FIG.
- FIG. 6 is a cross-sectional view of a battery case and an air box of an electric motorcycle shown as an example of a saddle riding type electric vehicle according to a second embodiment of the present invention. It is sectional drawing of the battery case and air box of an electric two-wheeled vehicle shown as an example of the saddle-ride type electric vehicle which concerns on 3rd Embodiment of this invention.
- FIG. 1 is a right side view of an electric motorcycle shown as an example of a saddle riding type electric vehicle according to a first embodiment of the present invention.
- an electric motorcycle 1 includes a front wheel 2 as a driven wheel, a rear wheel 3 as a drive wheel, a body frame 4 disposed between the front wheel 2 and the rear wheel 3, and a travel drive source.
- the electric motorcycle 1 according to this embodiment does not include an internal combustion engine, and can run by rotating the rear wheel 3 with power generated by the electric motor 5.
- the transmission 25 is included in the power transmission mechanism 24 that transmits the rotation of the electric motor 5 to the rear wheel 3.
- the electric motorcycle 1 includes a motor unit case 15 formed by integrally coupling a motor housing portion 29 that houses the electric motor 5 and a transmission housing portion 30 that houses the transmission 25.
- the motor unit case 15 houses the electric motor 5 and the transmission 25.
- the electric motor (or motor housing portion 29) is disposed above the transmission 25 (or transmission housing portion 30).
- the motor unit case 15 is long in the direction in which the motor housing portion 29 and the transmission housing portion 30 are arranged, and as a result, is mounted on the vehicle so as to extend in the vertical direction.
- the motor housing part 29 is provided in the upper part of the motor unit case 15, and the transmission housing part 30 is provided in the lower part of the motor unit case 15.
- the bottom of the motor unit case 15 forms an oil pan 27 that stores oil.
- the oil is used as a coolant for cooling the electric motor 5 and the inverter 35 and as a lubricant for lubricating the sliding portion of the transmission 25.
- the motor unit case 15 also houses an oil pump 28 that discharges oil stored in the oil pan 27, and the oil pump 28 is disposed between the transmission 25 and the oil pan 27.
- the front wheel 2 is rotatably supported by a lower portion of a front fork 6 that extends substantially in the vertical direction.
- a steering shaft 7 for steering the front wheels is connected to the upper portion of the front fork 6, and a handle 8 is provided on the upper portion of the steering shaft 7.
- the vehicle body frame 4 includes a head pipe 11, a pair of left and right main frames 12, and a pair of left and right subframes 31.
- the head pipe 11 supports the steering shaft 7 to be rotatable.
- the main frame 12 is integrally joined to the head pipe 11 and extends rearward and downward from the head pipe 11.
- the main frame 12 has a down portion 13 that extends substantially vertically downward from the head pipe 11 and a lower portion 14 that extends substantially horizontally from the lower end of the down portion 13 to the rear.
- the rear end portion of the lower portion 14 is coupled to the front portion of the transmission housing portion 30.
- the sub frame 31 extends rearward and downward from the periphery of the head pipe 11 above the main frame 12.
- the subframe 31 includes a first subframe 31a extending rearward from the upper end portion of the down portion 13 and a second subframe 31b connecting the first subframe 31a to the upper and lower intermediate portions of the down portion 13. Have.
- the rear end portion of the first sub frame 31 a is coupled to the upper portion of the motor housing portion 29.
- the motor unit case 15 is coupled to each of the main frame 12 and the sub frame 31 and is configured as a part of the vehicle body frame 4.
- the swing arm 16 is swingably connected to the motor unit case 15.
- the swing arm 16 extends in the front-rear direction, and is swingably connected to the rear portion of the motor unit case 15 at the front end portion thereof, and rotatably supports the rear wheel 3 at the rear end portion thereof.
- the motor unit case 15 has a flange protruding rearward from the rear portion thereof, and the swing shaft 17 that is the center of swing of the swing arm 16 is directed in the left-right direction so as to pass through the flange. Yes.
- the motor unit case 15 functions as a swing arm bracket or a pivot frame that supports the swing arm 16 so as to be swingable.
- a link mechanism 18 that is interlocked according to the swing of the swing arm 16 is provided.
- a lower end portion of the rear suspension 19 is connected to the link mechanism 18 so as to be swingable.
- the upper end of the rear suspension 19 is swingably connected to the rear part of the motor unit case 15.
- the motor unit case 15 also functions as a stationary suspension bracket for attaching one end of the rear suspension 19 to the vehicle body frame 4 side.
- the motor unit case 15 is also coupled to the seat frame 20.
- the seat frame 20 extends backward from the upper part of the motor unit case 15 while being inclined upward.
- the seat frame 20 supports a seat 9 on which a driver and a passenger can sit side by side.
- the electric motorcycle is a so-called riding type, and the driver sits on the seat 9 in a posture straddling the vehicle body.
- the electric motorcycle 1 includes a battery unit 21 as a power source for the electric motor 5.
- the battery unit 21 includes a battery 22 that can store direct-current power and a battery case 23 that houses the battery 22.
- the battery case 23 is supported on the lower portion 14 of the main frame 12.
- the DC power stored in the battery 22 is converted into AC power by the inverter 35, and the electric motor 5 operates by receiving AC power supplied from the inverter and generates traveling power.
- the traveling power generated by the electric motor 5 is transmitted to the rear wheel 3 via the power transmission mechanism 24.
- the power transmission mechanism 24 includes the transmission 25 and the chain 26 described above.
- the transmission 25 shifts the rotation of the output shaft of the electric motor 5.
- the chain 26 transmits the rotation changed by the transmission 25 to the rear wheel 3.
- the battery case 23 is disposed between the front wheel 2 and the rear wheel 3. More specifically, it is disposed in front of the motor case unit 15 and after the down portion 13 of the main frame 12. Therefore, in other words, the electric motor 5 is disposed after the battery case 23, and the transmission 25 is also disposed after the battery case 23.
- the battery case 23 is supported by the main frame 12 while being stacked on the lower portion 14 of the main frame 12. For this reason, compared with the case where the battery case 23 is suspended from the vehicle body frame 4, the rigidity of the battery case 23 does not need to be excessively increased.
- a pair of left and right sub-frames 31 are disposed on the outer side of the battery case 23 in the vehicle width direction. For this reason, the side part of the battery case 23 is protected by the subframe 31.
- the electric motorcycle 1 is provided with an air passage 50 that guides the traveling wind into the battery case 23 and discharges air from the battery case 23 to the outside air. Thereby, the battery 22 accommodated in the battery case 23 can be air-cooled.
- the electric motorcycle 1 includes an air box 51, an air intake duct 52, an air discharge duct 53, an inflow duct 54, and an outflow duct 55 as main components constituting the air passage 50.
- FIG. 2 is a cross-sectional view of the battery case 23 and the air box 51 shown in FIG.
- the air box 51 is provided on the upper part of the battery case 23.
- the air box 51 includes a front box portion 61, a rear box portion 62, a partition wall 63, and a bottom wall 64.
- the front box part 61 covers the upper part of the battery case 23 from above.
- the rear box portion 62 is integrally formed after the front box portion 61.
- the partition wall 63 partitions the internal space 61a of the front box portion 61 and the internal space 62a of the rear box portion 62 in the front-rear direction.
- the bottom wall 64 has a bottom surface that defines an internal space 61 a of the front box portion 61 and an internal space 62 a of the rear box portion 62.
- the front portion of the bottom wall 64 also serves as an upper wall of the battery case 23 and also serves as a wall that partitions the internal space 61a of the front box portion 61 and the internal space of the battery case 23 in the vertical direction.
- the front box portion 61 has a traveling wind inlet 61b for allowing the traveling wind to flow into the internal space 61a.
- the traveling wind inlet 61b is provided at the front portion of the front box portion 61 (the front end portion of the air box 51), and the air intake duct 52 is connected to the traveling wind inlet 61b.
- the front portion of the front box portion 61 is disposed behind the head pipe 11 and is close to the head pipe 11.
- the air intake duct 52 extends forward from the front box portion 61 and opens at a front end portion positioned in front of the air intake duct head pipe 11.
- the rear box 62 covers the motor unit case 15 from above, and is disposed behind the seat 9 and is close to the seat 9.
- the air discharge duct 53 includes a box cover portion 53a that covers the rear box portion 62 from the rear, and a duct portion 53b that extends rearward from the lower end of the box cover portion 53a.
- the box cover part 53a and the duct part 53b may be separate parts, or the duct part 53b may be composed of a plurality of parts.
- the rear box portion 62 has an open portion 62b that widely opens the rear wall, and the box cover portion 53a is attached to the rear box portion 62 from the rear so as to close the open portion 62b. For this reason, the internal space 62a of the rear box portion 62 communicates with the inside of the box cover portion 53a via the opening portion 62b.
- the box cover portion 53 a passes through the front end portion of the seat 9 in the vertical direction, and the lower end portion of the box cover portion 53 a is located below the seat 9.
- the duct portion 53 b extends rearward along the seat frame 20 from the lower end portion of the box cover portion 53 a and is disposed under the seat 9.
- the duct portion 53b opens at the rear end portion located between the upper and lower sides of the rear wheel 3 and the seat 9, and is open to the outside air.
- a cover member 10 is provided under the seat 9, and a side portion of the duct portion 53 b is covered with the cover member 10 together with the seat frame 20.
- the box cover portion 53a of the air discharge duct 53 covers the rear upper side of the battery unit 23 from behind.
- the front box part 61 of the air box 51, the rear box part 62 of the air box 51, and the box cover part 53a of the air discharge duct 53 the upper side of the battery case 23 can be protected.
- the driver seated on the seat 9 can be physically moved away from the battery case 23, which is beneficial because the driver cannot easily touch the battery case 23 while traveling.
- the front box portion 61 is provided with a traveling wind supply port 54 a for supplying air in the internal space 61 a to the internal space of the battery case 23.
- a traveling wind supply port may be provided on the bottom wall.
- the inflow duct 54 extends upward from the bottom wall 64 through the internal space 61a of the front portion 61, and the opening at the upper end of the inflow duct 54 forms a traveling wind supply port 54a.
- the inflow duct 54 is formed in a periscope shape, is disposed in the internal space 61a of the front portion 61, and is bent so as to be horizontally oriented at the upper end portion. In the present embodiment, the traveling wind supply port 54a is directed rearward. The lower end of the inflow duct 54 opens near the back surface of the bottom wall 64 (that is, near the inner surface of the upper wall of the battery case 23). As a result, the space occupied by the inflow duct 54 in the internal space of the battery case 23 is minimized, and the capacity of the battery 22 can be increased as much as possible.
- the battery case 23 has an outlet 23c through which air in the battery case 23 flows out, and the outlet duct 55 is connected to the outlet 23c.
- the outflow port 23 c is provided in the upper part of the rear wall of the battery case 23 and is located at substantially the same height as the upper end portion of the motor unit case 15.
- the outflow duct 55 is a duct for guiding the air discharged from the battery case 23 through the outlet of the battery case 23 to the outside.
- the outflow duct 55 extends rearward from the rear wall of the battery case 23 and then bends and extends upward.
- the inner space 62a of the rear box 62 is entered.
- the outflow duct 55 opens at the upper end portion located in the internal space 62 a of the rear box portion 62. Since the internal space 62a of the rear box 62 communicates with the outside via the opening 63a and the air discharge duct 53, the air from the battery case 23 can be guided to the outside using the outflow duct 55.
- the electric motorcycle 1 Since the electric motorcycle 1 has the above-described structure, as described above, the electric motorcycle 1 is provided with the air passage 50 that guides the traveling wind into the battery case 23 and discharges air from the battery case 23 to the outside air. Will be.
- the traveling wind from the front is taken into the air intake duct 52. Since the air intake duct 52 is opened forward in front of the head pipe 11, it is possible to take in the traveling wind well. The taken-in air flows backward in the air intake duct 52 and flows into the internal space 61a of the front box portion 61 through the traveling wind inlet 61b.
- the air that has flowed into the front box portion 61 is taken into the inflow duct 55 through the traveling wind supply port 54a, flows downward in the inflow duct 55, and flows into the internal space of the battery case 23.
- traveling wind flows into the battery case 23 via the air box 51.
- the air box 51 is disposed adjacent to the upper part of the battery case 23.
- the air box 51 can protect the battery case 23 from rainwater, and can prevent rainwater from entering the battery case 23.
- the bottom wall 64 of the air box 51 also serves as the upper wall of the battery case 23, and the air box 51 is closely adjacent to the battery case 23.
- the air box 51 is interposed between the air intake duct 52 and the battery case 23, the air taken into the air intake duct 52 can be smoothly supplied to the internal space of the battery case 23. . Therefore, the battery 22 in the battery case 23 can be suitably air-cooled while reducing the risk of water entering the battery case 23.
- the electric motorcycle 1 includes an inflow duct 54 that extends upward from the bottom wall 64 and is disposed in the internal space 61 a of the front box portion 61, and the traveling wind supply port 54 a is at the upper end of the inflow duct 54. Is provided. For this reason, the water
- the heat released from the battery 22 tends to be transferred to the upper part of the internal space of the battery case 23 due to convection.
- the lower end of the inflow duct 54 is opened at the upper part of the internal space of the battery case 23.
- the air taken into the inflow duct 54 flows into the front upper part of the internal space of the battery case 23.
- the outflow port 23c is provided in the upper part of the rear wall of the battery case 23,
- the outflow duct 55 for guiding the air in the battery case 23 to outside air is connected to this outflow port 23c.
- the inflow duct 55 is installed at the front end of the bottom wall 64. Then, the distance from the traveling wind inlet 61b is shortened, and the traveling wind can be smoothly supplied to the battery case 23. Further, the airflow from the lower end portion of the inflow duct 55 to the outflow port reaches the entire battery case 23 as much as possible in the front-rear direction, and the cooling effect in the battery case 23 can be enhanced.
- an electrical component 70 that is electrically connected to the battery 22 is accommodated.
- the front box 61 covers the upper part of the battery case 23 from above, and the traveling wind inlet 61b, the traveling wind supply port 54a, and the inflow duct 54 are provided at the front portion of the front box 61.
- a relatively wide space is vacated at the rear of 61a. Therefore, the electrical component 70 is provided by effectively utilizing the rear space of the internal space 61a.
- the electrical component 70 is installed at the rear portion of the bottom wall 64. As described above, the bottom wall 64 also serves as the upper wall of the battery case 23.
- the electrical component 70 includes, for example, one or more relays on a wiring connecting the battery 22 to an inverter (not shown), a DCDC converter interposed between the battery 22 and an auxiliary battery (not shown).
- a lid 65 for opening and closing an opening provided in the upper wall is provided on the upper wall of the front box 61, and the upper portion of the front box 61 can be opened and closed. For this reason, if the lid 65 is opened, the operator can access the internal space 61a of the front box portion 61, and the maintenance work of the electrical component 70 can be easily performed.
- the air box 51 has a bypass port 63 a that penetrates the partition wall 63. For this reason, the internal space 61a of the front box portion 61 bypasses the internal space of the battery case 23 and communicates with the internal space 62a of the rear box portion 62 via the bypass port 63a. As a result, the internal space 61 a of the front box portion 61 communicates with the air discharge duct 53 or the outflow duct 55.
- an airflow directed from the traveling wind inlet 61b to the traveling wind supply port 54a and an airflow directed from the traveling wind inlet 61b to the bypass port 61c are formed.
- the airflow is activated in the internal space 61a of the front box 61, and the air in the internal space 61a can be sent to the outflow duct 55 satisfactorily.
- An electrical component 70 is disposed between the traveling wind inlet 61b and the bypass port 63a. For this reason, the electrical component 70 can be air-cooled by the airflow from the traveling wind inlet 61b toward the bypass port 63a.
- an electrical component 70 that easily generates high heat such as the DCDC converter, relay, or fuse in the above example
- the battery 22 adversely affects the heat released from the electrical component 70. It is possible to achieve both avoidance of receiving and simplifying the connection between the electrical component 70 and the battery 22.
- the electrical component 70 is installed at the rear portion of the bottom wall 64.
- the rear portion of the bottom wall 64 is disposed above the front end portion, and the bottom wall 64 has a step 64a between the front end portion and the rear portion.
- the traveling wind inlet 61b and the traveling wind supply port 54a are provided in the front portion of the front box 61 and are disposed in front of the step 64a. For this reason, the air that has passed through the traveling wind inlet 61b is blown to the step 64a. For this reason, since the traveling wind supply port 54a is directed to the rear, the air turned back at the step 64a can be suitably fed into the traveling wind supply port 54a.
- step difference 64a since it blows on the level
- FIG. Further, the air that has passed through the traveling wind inlet 61b travels over the step 64a toward the bypass port 63a. For this reason, the electrical component 70 can be protected from moisture contained in the traveling wind.
- the traveling wind inlet 61 b is disposed below the rear portion of the bottom wall 64. For this reason, the effect of moisture separation at the step 64a can be enhanced.
- FIG. 2 illustrates the case where the exhaust fan 81 is installed in the battery case 23, but the exhaust fan 81 may be installed outside the battery case 23 or installed in the outflow duct 55. May be.
- an airflow directed toward the outlet 23c can be forcibly formed in the internal space of the battery case 23.
- an airflow directed from the internal space of the front box portion 61 toward the internal space of the battery case 23 is generated. Can be formed. Therefore, the situation where the cooling capacity of the battery 22 is insufficient can be avoided.
- the operation timing of the exhaust fan 81 is not particularly limited.
- the exhaust fan 81 may operate when the ignition switch of the electric motorcycle 1 is on.
- the electric motorcycle 1 includes a temperature sensor 82 that detects the temperature of the battery 22 and a fan controller 83 that controls the operation of the exhaust fan 81, and the temperature of the battery 22 detected by the temperature sensor 82 exceeds a predetermined value.
- the fan controller 83 may control the exhaust fan 81 so that the exhaust fan 81 operates. Further, when the battery 22 is being charged, the fan controller 83 may control the exhaust fan 81 so that the exhaust fan 81 operates.
- FIG. 3 is a cross-sectional view of the battery case 21 and the air box 151 of the electric motorcycle 101 shown as an example of a straddle-type electric vehicle according to the second embodiment of the present invention.
- the second embodiment will be described focusing on differences from the above embodiment.
- the air box 151 according to the present embodiment also has the same shape as the air box according to the first embodiment, and includes a front box portion 61, a rear box portion 62, a partition wall 63, a bottom wall 64, and a lid. 65.
- a plurality of electrical components 70 connected to the battery 22 are accommodated in the internal space 61 a of the front box portion 61.
- the electrical component 70 includes a charging connector 71.
- the charging connector 71 is arranged so that the charging port 71a faces upward, and is arranged so as to overlap the lid 65 in the closed position in plan view. For this reason, when the lid 65 is opened, the operator can see the charging connector 71 well through the opening provided in the upper wall of the front box portion 61, and can easily access the charging connector 71 through the opening. be able to.
- the internal space of the air box 51 opened and closed by the lid 65 in this embodiment, the internal space 61a of the front box portion 61
- the charging operation can be easily performed. It is beneficial because it can.
- the traveling wind inlet 61b, the rear portion of the bottom wall 64, and the step 64a are arranged in the same manner as in the first embodiment. For this reason, even if the running wind contains moisture, the charging connector 71 can be protected from the moisture. If the rear box 62 is configured to be openable and closable, the charging connector 71 may be accommodated in the internal space 62 a of the rear box 62.
- FIG. 4 is a cross-sectional view of the battery case 21 and the air box 251 of the electric motorcycle 201 shown as an example of a straddle-type electric vehicle according to the third embodiment of the present invention.
- the third embodiment will be described focusing on differences from the above embodiment.
- the air box 251 does not have a partition wall as in the above embodiment, and the internal space of the front box portion and the internal space of the rear box portion in the above embodiment.
- a traveling wind inlet 61b is provided at the front end portion of the air box 251 in the same manner as the front box portion in the above embodiment, and an open portion is provided in the rear wall of the air box 251 in the same manner as the rear box portion in the above embodiment.
- 62b is provided.
- the box cover portion 53a of the air discharge duct 53 is attached to the rear wall of the air box 251 from the rear so as to close the opening 62b.
- the air box 251 of this embodiment has a recess 266 in which the front and rear center portions of the upper wall are recessed downward, and the lid 265 is formed on the upper wall of the air box 251 so as to open and close the internal space of the recess 266. It is attached.
- the charging connector 71 is accommodated in the internal space of the recess 266, and the charging port 71a of the charging connector 71 is directed upward. For this reason, if the lid
- the recess 266 is provided with a partition wall 267 standing from the lower wall and extending to the left and right.
- the internal space of the recess 266 is divided into a rear space 268 and a front space 269 by a partition wall 267.
- the charging connector is accommodated in the rear space.
- the front space 269 is an empty space and is opened and closed by a lid 265.
- the driver can use the front space 269 as an accessory case.
- the space for storing the electrical components and the accessory case are spatially partitioned.
- the electrical component 70 installed on the bottom wall 64 is close to the lower wall of the recess 266. For this reason, the flow velocity of the air flowing from the traveling wind inlet 61b toward the opening 62b is increased around the electrical component 70. For this reason, the electrical component 70 can be air-cooled suitably. Further, the flow path resistance around the electrical component 70 is increased. For this reason, the amount of air supplied to the battery 22 increases, and the battery 22 can be suitably air-cooled.
- the present invention has an effect that it is possible to achieve both suppression of moisture permeation into a battery case and air cooling of the battery, and a straddle-type electric vehicle including the battery case. It is beneficial to apply.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims (7)
- 電気モータにより発生された動力で走行する鞍乗型電動車両であって、
前記電気モータの電源となるバッテリを収容するバッテリケースと、
前記バッテリケースの上部に設けられたエアボックスと、を備え、
前記エアボックスが、走行風を流入させる走行風流入口と、内部のエアを前記バッテリケースに供給する走行風供給口と、を備える、鞍乗型電動車両。 - 前記エアボックス内に、前記バッテリに接続される電装品が収容されている、請求項1に記載の鞍乗型電動車両。
- 前記バッテリケースに、前記バッテリケースの上部から前記エアボックス内を上方に延びる流入ダクトが設けられ、前記走行風供給口が、前記流入ダクトの上端に設けられている、請求項1又は2に記載の鞍乗型電動車両。
- 前記バッテリケースに、内部のエアを流出させる流出口が設けられ、前記流出口に前記バッテリケースから排出されたエアを外部に導くための流出ダクトが接続されている、請求項1乃至3のいずれか1項に記載の鞍乗型電動車両。
- 前記流出ダクトが前記エアボックスの後部に設けられ、前記エアボックスの後部に前記エアボックスの内部を前記流出ダクトの内部に連通させるバイパス口が設けられている、請求項4に記載の鞍乗型電動車両。
- 前記エアボックスはシートの前方に配置され、前記エアボックスが、前記バッテリケースの上部を上から覆うと共に、前記流出ダクトが前記バッテリケースの後部上側を後から覆う、請求項4又は5に記載の鞍乗型電動車両。
- 前記エアボックスの上部が開閉可能である、請求項1乃至6のいずれか1項に記載の鞍乗型電動車両。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/368,778 US9296444B2 (en) | 2011-12-28 | 2011-12-28 | Straddle electric vehicle |
| EP11878488.3A EP2799318B1 (en) | 2011-12-28 | 2011-12-28 | Straddle electric vehicle |
| PCT/JP2011/007334 WO2013098893A1 (ja) | 2011-12-28 | 2011-12-28 | 鞍乗型電動車両 |
| JP2013551038A JP5797775B2 (ja) | 2011-12-28 | 2011-12-28 | 鞍乗型電動車両 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/007334 WO2013098893A1 (ja) | 2011-12-28 | 2011-12-28 | 鞍乗型電動車両 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013098893A1 true WO2013098893A1 (ja) | 2013-07-04 |
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ID=48696466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/007334 Ceased WO2013098893A1 (ja) | 2011-12-28 | 2011-12-28 | 鞍乗型電動車両 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9296444B2 (ja) |
| EP (1) | EP2799318B1 (ja) |
| JP (1) | JP5797775B2 (ja) |
| WO (1) | WO2013098893A1 (ja) |
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| JP2017081329A (ja) * | 2015-10-27 | 2017-05-18 | スズキ株式会社 | 電動二輪車用の電力変換装置の冷却構造 |
| US20230322323A1 (en) * | 2018-04-27 | 2023-10-12 | FUELL Inc. | Electric saddle type vehicle |
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| WO2014102846A1 (ja) * | 2012-12-25 | 2014-07-03 | 川崎重工業株式会社 | 電動車両 |
| JP6224668B2 (ja) * | 2015-09-24 | 2017-11-01 | 本田技研工業株式会社 | 鞍乗型車両 |
| JP2017065319A (ja) * | 2015-09-28 | 2017-04-06 | ヤマハ発動機株式会社 | 鞍乗型電動車両 |
| JP6561770B2 (ja) * | 2015-10-27 | 2019-08-21 | スズキ株式会社 | 電動車両の構造 |
| US20170282749A1 (en) * | 2016-03-31 | 2017-10-05 | Honda Motor Co., Ltd. | Saddle-ride type vehicle |
| US11414149B2 (en) * | 2016-09-29 | 2022-08-16 | Honda Motor Co., Ltd. | Electric motor cooling structure for saddle-type electric vehicle |
| WO2018067555A1 (en) * | 2016-10-03 | 2018-04-12 | Indian Motorcycle International, LLC | Two-wheeled vehicle |
| US11142285B2 (en) * | 2017-09-11 | 2021-10-12 | Honda Motor Co., Ltd. | Electric motorcycle |
| DE112018007170T5 (de) * | 2018-03-29 | 2020-11-05 | Honda Motor Co., Ltd. | Elektrisches Fahrzeug vom Grätschsitztyp |
| JP7086912B2 (ja) * | 2019-10-21 | 2022-06-20 | ヤマハ発動機株式会社 | 鞍乗型電動車両 |
| JP7354800B2 (ja) * | 2019-11-29 | 2023-10-03 | スズキ株式会社 | 鞍乗型電動車両 |
| JP7437251B2 (ja) * | 2020-07-07 | 2024-02-22 | カワサキモータース株式会社 | 鞍乗車両 |
| WO2022201178A1 (en) * | 2021-03-23 | 2022-09-29 | Tvs Motor Company Limited | Cooling system for a saddle-type vehicle, air channelizing unit and cooling method |
| JP2023015905A (ja) | 2021-07-20 | 2023-02-01 | ヤマハ発動機株式会社 | 電動車両 |
| US12286188B2 (en) * | 2021-10-01 | 2025-04-29 | Kawasaki Motors, Ltd. | Saddle riding vehicle |
| JP2023092281A (ja) * | 2021-12-21 | 2023-07-03 | ヤマハ発動機株式会社 | 車両 |
| WO2025163664A1 (en) * | 2024-01-31 | 2025-08-07 | Hero MotoCorp Limited | Body frame of a vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5797775B2 (ja) | 2015-10-21 |
| EP2799318B1 (en) | 2018-12-12 |
| US20150008053A1 (en) | 2015-01-08 |
| EP2799318A1 (en) | 2014-11-05 |
| EP2799318A4 (en) | 2015-09-30 |
| US9296444B2 (en) | 2016-03-29 |
| JPWO2013098893A1 (ja) | 2015-04-30 |
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