WO1997045316A1 - Engin de locomotion avec dispositif moteur auxiliaire et procede de commande du deplacement - Google Patents
Engin de locomotion avec dispositif moteur auxiliaire et procede de commande du deplacement Download PDFInfo
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- WO1997045316A1 WO1997045316A1 PCT/JP1997/001740 JP9701740W WO9745316A1 WO 1997045316 A1 WO1997045316 A1 WO 1997045316A1 JP 9701740 W JP9701740 W JP 9701740W WO 9745316 A1 WO9745316 A1 WO 9745316A1
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- Prior art keywords
- driving force
- driving
- motor
- moving device
- power
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
-
- 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
- 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
- B60L50/53—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
-
- 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
- B60L58/25—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 controlling the electric load
-
- 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
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1415—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with a generator driven by a prime mover other than the motor of a vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/10—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using light effect devices
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
-
- 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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249923—Including interlaminar mechanical fastener
Definitions
- the present invention relates to a moving device having driving wheels driven by human power and a moving control device of the moving device, and more particularly, to a chargeable device.
- a moving device that includes a driving force assisting device that uses a secondary battery as a driving source, and that travels using driving force from the driving force assisting device in addition to human power in accordance with a traveling state;
- the present invention relates to a movement control method.
- BACKGROUND ART Conventionally, bicycles have been widely used as a moving device that travels by driving drive wheels with human power.
- a bicycle is driven by a rider sitting on a saddle, rotating a crank through a pedal by pedaling force of the driver, and transmitting the rotation of the crank to drive wheels via a drive transmission mechanism such as a chain.
- a bicycle equipped with a driving force assist device driven by an electric motor that assists the driver's treading power has been proposed so that the vehicle can easily travel on an uphill.
- This bike as shown in Figure 46, A torque sensor 1 for detecting the driver's treading force, a rotation sensor 2 for checking the rotation of the pedal, and a control unit 3 for controlling the driving force assist device 4 based on the detection outputs of the torque sensor 1 and the rotation sensor 2. It has.
- the control unit 3 detects the pedal rotation speed based on the detection output from the rotation sensor 2, and detects the driver's pedaling force based on the detection output from the torque sensor 1, and when the pedal rotation speed is lower than a certain value, the pedaling force is reduced.
- the driving force assist device is driven, and control is performed so that 1/2 of the pedaling force is applied to the driving wheels.
- the conventionally proposed torque sensor used for a bicycle with a driving force assist device uses a mechanical element, so its configuration is complicated, and the crankshaft, chain, or driving torque sensor is used. It is becoming increasingly difficult to incorporate it into the main shaft of the wheel. Also, torque sensors using mechanical elements are large and heavy, so they consume a part of the driver's treading power and also consume a part of the driving power of the electric motor. Running efficiency is not good.
- An object of the present invention is to provide a novel moving device that can solve the problems of a conventionally proposed bicycle with a driving force assist device, and a movement control method of the moving device. It is in. Another object of the present invention is to provide a moving device with a driving force assisting device that can drive efficiently with reduced consumption of a driving source, and to provide a moving control method for the moving device.
- Still another object of the present invention is to provide a moving device capable of quickly assisting an appropriate driving force when the driving force needs to be assisted, and a movement control method of the moving device. It is in.
- Still another object of the present invention is to provide a moving device which is reduced in weight and has a high driving force consumption efficiency, and a movement control method for the moving device.
- a moving device proposed to achieve the above object includes a driving wheel operated by human power, and a driving force assisting device that adds driving force to the driving wheel in addition to human power according to a traveling state. ing.
- the traveling device detects a traveling state by detecting a rotational speed of the rotating unit without contacting the rotating unit, and detects a traveling state based on traveling information detected by the traveling information detecting mechanism.
- a driving force assisting mechanism for applying a driving force corresponding to the speed change information to be given by the driver to the driving wheels; and a power supply for driving the driving force assisting mechanism.
- the traveling device detects that it becomes difficult to travel only by human power by the traveling information detecting mechanism, and drives the driving force assisting mechanism in accordance with the detected output to assist the driving force, thereby providing smooth driving. It realizes driving.
- the traveling state detection mechanism constituting the moving device detects the traveling state by detecting the rotation speed of the rotating unit without contacting the rotating unit, the driving force of the rotating unit is consumed. Can be suppressed. Then, the operator obtained from the traveling state detection mechanism tries to give Based on the speed change information, the driving force assist mechanism assists the driving force according to the speed change information, so that a part of the driving force given by the operator for the movement can be quickly assisted and smooth. Travel is ensured.
- the electric motor that constitutes the driving force assisting mechanism of the moving device according to the present invention has the mouth and mouth integrated with the wheels, the wheels can be directly rotated, and the loss of driving force can be reduced. Can be reduced.
- the electric motor is provided with a heat radiating means for radiating heat generated by the driving coil in the stay on the stay side on the stay side.
- the moving device according to the present invention is capable of running by providing a display device for displaying the remaining running amount of the moving device based on the voltage of the secondary battery that drives the electric motor constituting the driving force assist mechanism. The distance can be easily grasped.
- the moving device drives the electric motor when the road surface condition where the moving device moves needs to assist a part of the driving force for moving the moving device. If the road surface on which the device moves does not require auxiliary driving force to move the moving device, the electric motor can function as a generator to reduce the power consumption of the secondary battery. Enables traveling for a distance.
- FIG. 1 is a side view showing an electric bicycle according to the present invention.
- FIG. 2 is a proc circuit diagram showing a control system of the electric bicycle
- FIG. 3 is a block diagram illustrating a relationship between the traveling information detection unit and the driving force assist mechanism.
- FIG. 4 is a block diagram showing the control system of the motor.
- FIG. 5 is a plan view of the electric bicycle according to the present invention.
- FIG. 6 is a plan view showing a brake portion of the electric bicycle.
- FIG. 7 is a plan view showing another example of the brake constituting the electric bicycle according to the present invention.
- FIG. 8 is a front view showing an inclination sensor applied to the electric bicycle according to the present invention.
- FIG. 9 is a cross-sectional view of the tilt sensor.
- FIG. 10 is a front view showing a pendulum constituting the tilt sensor.
- FIG. 11 is a characteristic diagram showing characteristics of the tilt sensor.
- FIG. 12 is a diagram showing a crank and a crank rotation sensor constituting the electric bicycle shown in FIG.
- FIG. 13 is a side view showing the crank and the crank rotation sensor.
- FIG. 14 is a diagram illustrating the operation of the crank rotation sensor.
- FIG. 15 is a block diagram of a motor control system constituting the driving force assist mechanism.
- FIG. 16 is a cross-sectional view showing an example of an outer row-type motor provided on a rear wheel.
- FIG. 17 is a side view of the module shown in FIG.
- Fig. 18 is a cross-sectional view showing a part of the above-mentioned part of the ceremony.
- FIG. 19 is a side view showing the stay in the morning and evening.
- FIG. 20 is a cross-sectional view showing a part of a motor board provided in the camera.
- FIG. 21 is a front view of the motor board.
- FIG. 22 is a front view showing a reflector disposed to face the motor substrate.
- FIG. 23 is a diagram showing output characteristics of the speed sensor of the motor.
- FIG. 24 is a diagram illustrating an example of the output characteristics of the speed sensor and the switching speed of the motor during the night.
- FIG. 25 is a diagram showing an example of a PWM signal waveform when the PWM is driven over a period of time.
- Figure 26 is a perspective view of the appearance of the motor.
- FIG. 27 is an exploded perspective view of the motor.
- Fig. 28 is a diagram showing the part of the mouth (Z) of the motor shown in Fig. 19.
- FIG. 29 is a circuit diagram showing a motor and a control unit for controlling the driving of the motor.
- FIG. 30 is a diagram illustrating an operation example of a coil cut relay unit and a part of a charging circuit relay in a motor mode.
- FIG. 31 is a characteristic diagram showing discharge characteristics of various secondary batteries.
- FIG. 32 is a diagram illustrating the operation principle of the lithium ion battery.
- FIG. 33 is a diagram showing an example of a display device for the remaining running distance of a lithium ion battery.
- FIG. 34 is a diagram showing an example of a remaining amount display unit constituting the remaining traveling distance display device.
- FIG. 35 is a diagram illustrating another example of the remaining amount display unit.
- FIG. 36 is a flowchart showing the main routine of the electric bicycle according to the present invention.
- FIG. 37 is a flowchart showing the drive pattern set subroutine shown in FIG.
- FIG. 38 is a flowchart showing the motor subroutine shown in FIG.
- FIG. 39 is a flowchart showing the crank subroutine shown in FIG.
- FIG. 40 is a flowchart showing the high-temperature processing subroutine shown in FIG.
- FIG. 41 is a flowchart showing the driver error subroutine shown in FIG. 3-6.
- FIG. 42 is a flowchart showing the assist subroutine shown in FIG.
- FIG. 43 is a diagram showing an example of the timing of the supply of the auxiliary driving force from the night.
- FIG. 44 is a diagram illustrating the evening of the supply of the auxiliary driving force from the motor shown in FIG.
- FIG. 45 is a diagram showing an example of a running pattern of the electric bicycle according to the present invention.
- FIG. 46 is a block diagram showing a configuration of a conventional electric bicycle.
- BEST MODE FOR CARRYING OUT THE INVENTION the present invention is applied to a mobile device in a normal running state by human power.
- An example will be described in which the present invention is applied to an electric bicycle that travels and travels by adding the driving force of an electric motor that constitutes a driving force assist mechanism as needed.
- the electric bicycle comprises a triangular frame 11, a handle 12 for controlling the running direction, a grip 13 for operating the handle 12,
- the crank 14 is rotated by hand, the saddle 15 on which the driver sits, the front wheel 16 is changed in the running direction by the operation of the handle 12, and the crank 14 is rotated by the torque of the crank 14.
- the rotational force of the rear wheel 17 acting as a drive wheel, the first gear 18 a rotating integrally with the crank 14, the second gear 18 b rotating integrally with the rear wheel, and the crank 14 It has a chain 18c wound between the first and second gears 18a, 18b for transmitting to the rear wheel 17.
- the crank 14, the front wheel 16, the rear wheel 17, the first gear 18a, and the second gear 18b are rotating parts during traveling.
- crank 14 is rotated by the driver depressing a pedal 14 b attached to the tip of the crank 14, and the rotational force of the crank 14 is applied to the first gear 18 a and the chain 18.
- the vehicle travels by being transmitted to the rear wheel 17 via the c and the second gear 18b.
- the first gear 18a is formed to have a larger diameter than the second gear 18b, and increases the rotation speed of the rear wheel 17 as compared to the rotation degree of the crank 14.
- a driving force assist mechanism 30 is incorporated in a rear wheel 17.
- a mounting plate 21 is mounted on the frame 11, and a rechargeable secondary battery 40 that supplies power for driving the driving force assist mechanism 30 via the mounting plate 21 is detachably mounted.
- the mounting plate 21 is provided with a traveling information detecting unit 100 that detects the speed of a portion that rotates during traveling to detect the traveling state.
- the mounting plate 21 is provided with a tilt state detection sensor 90 that detects a tilt state from the front wheel 16 side to the rear wheel 17 side.
- the secondary battery 40 attached to the attachment plate 21 can be charged by a household commercial power supply of 100 V.
- the bicycle 100 of the present embodiment can travel up to 70 km, for example.
- the rechargeable battery 40 can be fully charged in about four hours, for example, and its battery capacity is, for example, about 28.8 V-5 Ah (144 Wh).
- the weight of the secondary battery 40 is as light as about 1.3 kg.
- the electric bicycle to which the driving force assist mechanism 30 and the secondary battery 40 are attached in this way can be configured to weigh about 20 kg.
- the traveling control unit 2000 that controls the entire bicycle 1000 has a configuration as shown in FIG.
- the traveling control unit 2000 performs control as shown in FIG.
- the traveling control unit 2000 has a speed sensor 110, an inclination sensor 90, a crank rotation sensor 120, a front brake sensor 130, and a rear brake sensor 14. Based on the respective signals from 0, the traveling information detecting section 100 grasps the traveling state of the electric bicycle. Then, the traveling information detection unit 1000 detects acceleration information, which is speed change information, based on the speed signal VS from the speed sensor 110, and drives the driving force assist mechanism 30 based on the speed change information. It controls and assists the driving force to obtain the driving condition desired by the driver.
- acceleration information which is speed change information
- the driving power (P) is calculated, and the driving power assisting mechanism 30 determines the auxiliary driving power to be applied to the rear wheel 17 as a driving wheel from the driving power information and the acceleration information.
- the running power (P) in the current running state can be calculated from the speed information and the inclination information, and the running power (P) calculated here is the value of the bicycle 100 at that time. It is only the force required to run at speed.
- acceleration information is obtained based on the speed signal VS, and an acceleration traveling power value which is a value of traveling power based on the acceleration information and a constant speed traveling power value which is a value of the traveling power calculated above are calculated.
- the driving performance on an uphill can be improved by increasing the assist amount of the driving force.
- a calculation formula corresponding to the situation such as the situation obtained from the speed information, inclination information, and acceleration information is prepared.
- Corresponding to the situation It may be calculated separately by a calculation formula, or the calculated data may be stored in a table in advance, and the assist amount of the driving force may be determined based on the table data corresponding to each situation. It is good.
- the central processing circuit 101 constituting the driving information detecting unit 100 is connected to a digital input / output unit 102, a counter 103, an analog / digital converter 104, It is connected to the pulse width modulation (PWM) decoder 105 of the PWM signal generation logic unit 109.
- the clock generator 106 supplies the counter 103 and the central processing circuit 101 with a system clock for system operation reference.
- the analog input units 1 and 4 receive analog signals from the tilt sensor 90, the current sensor 105, and the temperature sensor 160 and convert them into digital signals.
- the counter 103 supplies a PWM clock ⁇ 5 (1/128 carrier) to the PWM data section 105 based on the system clock from the clock generation section 106.
- the PWM data section 105 has count units 105 a to 105 k for channel ch 0 to channel ch 3, and channel ch 3 clears the values of channel ch O to channel ch 2 It has a council reset.
- the count unit 105 a to 105 c of the PWM data section 105 channel ch O to channel ch 2 is the count unit 105 d, 105 e, 105 f and the isolator
- the driver power stage 1 of the three-phase motor 31 which is an electric motor constituting the driving force assist mechanism 30 via the photocoupler 105 g, 105 h, 105 i for the ⁇ Connected to 0.
- the U-phase, V-phase, and W-phase of the three-phase motor 31 are PWM-controlled, and are appropriately energized.
- Digital input / output unit 102 The driving force assisting port 180, the front brake sensor 130, the rear brake sensor 140, the crank line sensor 120, the temperature sensor 160, and the like are connected via a photo-force bra 180a for isolation.
- the speed sensor 110 of the three-phase motor 31 is connected to the digital input / output unit 102 via the isolation photobra 110a.
- the secondary battery 40 is further included in the circuit block diagram of FIG. 2, and the secondary battery 40, the traveling information detection unit 100, the motor board 32, and the like are shown.
- the traveling information detection unit 100 has a central processing circuit 101 and a main board 108.
- a speed sensor 110, an inclination sensor 90, a crank rotation sensor (also referred to as a crankshaft speed sensor) 120, a front brake sensor 130, and a rear brake sensor 140 are associated with the central processing circuit 101.
- the tilt sensor 90 is arranged on the main board 108, and the DC-DC converter 108 a sets the voltage from the secondary battery 40 to 5 V and supplies it to the central processing circuit 101.
- the DC-DC converter 108b of the main board 108 can set the voltage from the secondary battery 40 to 12 V and send it to the motor board 32 side.
- three speed sensors 110 shown in FIG. 1 are provided on the motor board 32, and can send the motor rotation angle signal CS to the central processing circuit 101.
- the central processing circuit 101 detects the speed signal VS of the opening and closing of the motor based on the motor rotation angle signal CS, and generates acceleration information AS as speed change information from the bracketing speed signal VS. can do.
- the motor board 32 includes the speed sensor 110 and the temperature sensor 16 described above. 0, an induced voltage detector 32a and three driving coils C1 to C3.
- the power stage 170 of the main board 108 supplies a drive voltage to these three coils C1, C2, and C3 (responsible for the U, V, and W phases).
- the power stage 170 shown in FIG. 2 can send the error signal 170 e to the digital input / output unit 102 via the photo-bras 170 f for the isolation.
- the central processing circuit 101 receives the error signal 170e and immediately stops the three-phase motor 31.
- the driving force assist button 180 shown in FIG. 2 is a push switch that is turned on / off by the driver.
- the assist mode is set.
- the three-phase motor 31 is operated when necessary to get over a step or the like, and the rear wheel 1 in FIG. Supplementary power is given to the vehicle for assistance.
- the motor 31 can be operated only when the vehicle speed is 2.5 km / h or less. In this way, when the driver presses the electric bicycle 100 and walks, he / she may take steps, even if it becomes difficult to press the electric bicycle 100 due to steps or other obstacles. You can push it lightly.
- FIG. 5 is a plan view of the electric bicycle 100 of FIG. 1.
- the handle 12 has a front brake lever 12a and a rear brake lever 12b.
- the front brake lever 1 2a is used to stop the rotation of the front wheels 16
- the brake 1 2c is operated
- the rear brake lever 1 2b is used to operate the rear brake 1 2d of the rear wheel 17, and the front brake 1 2c and the rear brake 1 2d are operated by an electric bicycle. Acts as a brake to provide 1 000 brakes.
- a rear brake sensor 140 such as a microswitch is provided in the rear brake lever 12b.
- rear brake sensor 140 turns on. Then, when the driver releases the rear brake lever 12b, the rear brake sensor 140 turns off.
- the central processing circuit 101 of FIG. 2 makes a determination based on the brake signal of the rear brake sensor 140. That is, by detecting the ON signals of these sensors 130 and 140, the central processing circuit 101 can determine whether the driver intends to stop the electric bicycle 100000. .
- Fig. 7 shows another example of the front brake sensor and the rear brake sensor.
- the potentiometers 130a and 140a are used instead of microswitches. ing.
- the potentiometers 130a and 140a output a brake signal of a magnitude corresponding to the lever angle 0.
- the tilt sensor 90 is disposed on the mounting plate 21 in FIG. 1.
- the tilt sensor 90 has a configuration as shown in FIGS.
- the tilt sensor 90 has a pendulum 99 rotatably supported on an iron substrate 91 via a bearing 92.
- the bearing 92 is a bearing made of sintered metal or resin, and a hole element 94 for detecting a magnetic field is mounted on an iron substrate 91.
- the pendulum 99 has a yoke 98, a boss 96, and a shaft 97.
- the shaft 97 is fitted in the boss 96, and the boss 96 holds the yoke 98.
- Shaft 97 is attached to bearing 92 by E-ring 93.
- the yoke 98 has a magnet 95, and the yoke 98 is made of a magnetically permeable material.
- the magnet 95 has an N pole 95a and an S pole 95b as shown in FIG.
- the Hall element 94 in FIG. 9 detects a change in the magnetic field between the magnet 95 N pole 95 a and the S pole 95 b as the pendulum 99 moves in the direction of arrow R in FIG.
- the pendulum 99 tilts in the +0 direction
- the pendulum 99 tilts in the 1> 6> direction.
- the output of the Hall element 95 is set to decrease linearly with the inclination in the +0 direction and to increase linearly with the inclination in the 10 direction. Have been.
- the output of the hall element 94 is sent to the traveling information detecting section 100 as an inclination signal INS.
- crank rotation sensor 120 Next, referring to FIG. 12, FIG. 13 and FIG. 14, FIG. 1 and FIG. The crank rotation sensor 120 will be described.
- the crank rotation sensor 120 is arranged corresponding to the crankshaft 14a of the bicycle in FIG. As shown in FIG. 12, the crankshaft 14a has two pedals 14b, 14b.
- a reflection slope 122 is fixed to the crankshaft 14a for the first gear 18a.
- mirror portions 122 and non-reflection portions 123 are alternately arranged in the circumferential direction as shown in FIG.
- the reflection slope 12 1 is a disk-shaped reflection slope, but there are 23 mirror portions 122 and non-reflection portions 123 of the reflection slope 12 1, each of which corresponds to the reflection slope 12 1.
- a light receiving / emitting unit 124 is provided.
- the light receiving / emitting section 124 includes a light emitting section 124a and a light receiving section 124b.
- the light emitting section 124a is, for example, a light emitting diode
- the light receiving section 124b is a phototransistor. is there.
- the light L emitted by the light emitting unit 124a is reflected by the mirror part 122 to become return light LR, and the return light LR can be received by the light receiving unit 124b. That is, when the mirror portion 122 faces the light receiving portion 124b, the return light LR can be sent to the light receiving portion 124b.
- the crank rotation sensor 120 can output the crank rotation signal CRS corresponding to the rotation speed of the reflection slope 121 integrated with the crankshaft 14a to the traveling information detection unit 100.
- the electric circuit portion of the traveling information detecting unit 100 that receives the crank rotation signal CRS from the light emitting / receiving unit 124 as necessary has a large hysteresis. It is desirable to add.
- the inclination signal INS sent from the inclination sensor 90 shown in FIG. 9 to the traveling information detection unit 100 is used to detect the inclination of the pendulum 99 to detect the inclination of the electric bicycle 1000 on the traveling road surface.
- the slope signal INS is an analog value, and it is necessary to perform digital conversion in the digital input / output unit 102 as shown in FIG.
- the reflection plate 122 shown in FIG. 13 can be provided by being attached to the first gear 18a for the crank.
- the crank rotation signal CRS obtained from the light receiving unit 124b of the light receiving / emitting unit 124 is counted and measured by the counter 103 shown in FIG. Specifically, since the mirror part 1 2 2 shown in FIG. 13 has 24 pieces per one round, the light receiving section 124 b in FIG. 14 is provided with the first gear 18 a for the crank.
- a crank rotation signal CRS of 24 is output with one rotation.
- the motor 31 rotates 2.75 times faster.
- the motor 31 is normally used when the driver crosses the pedals and the motor 31 and the crank 14 are synchronized, and when the rotation of the crank 14 exceeds the motor rotation as described later. To assist the driving force.
- the motor 31 is configured as a so-called direct motor that directly rotates the rear wheel, the motor 31 is synchronized with the crank 14 and the like, so that the motor 31 is rearward.
- the wheels 17 are driven directly.However, when transmitting the driving force to the crank or transmitting the driving force to the front wheel, it is necessary to synchronize the rear wheel with the crank. It is only necessary to perform the driving of the motor.
- FIG. 15 shows the vicinity of the motor 31 and various sensors shown in FIG. 2 in more detail.
- the central processing circuit 101 receives the inclination signal INS from the inclination sensor 90, receives the front brake signal FBS from the front brake sensor 130, receives the rear brake signal BBS from the rear brake sensor 140, and
- the crank rotation signal CRS is received from the crank rotation sensor 120, and the speed signal VS can be obtained from the speed sensor 110 of the motor 31.
- the motor 31 has a temperature sensor 160 and a mouth position sensor 199. Further, a current sensor 150 is provided between the module 31 and the central processing circuit 101.
- the structure of the motor 31 is shown in Fig. 16 and Fig. 17, and the outer mouth RT is rotating and the inner stay ST is fixed. It is a night.
- the motor 31 is provided corresponding to the shaft 51 of the rear wheel 17. Therefore, the electric vehicle 1000 shown in FIG. 1 is a rear-wheel-drive vehicle.
- the shaft 51 is fixed to the frame 11 in FIG. 1 by screws 1 la.
- the station ST of the unit 31 has an iron core 53 and a station holder 63 that are integrated with the shaft 51, and a radiator 64, a module board It has 3 2 etc.
- An iron core 53 is fixed to the flange 51 a of the shaft 51 on the ST side using screws 51 b.
- Iron core 5 3 has coils CI, C2 and C3 wound thereon.
- the coils C l, C 2, and C 3 are wound around the iron core teeth 53 e as shown in FIG. 19 with a predetermined pattern.
- a coil 53d for detecting back electromotive voltage is provided.
- These coils CI, C2, and C3 are arranged in the circumferential direction (rotation direction of the mouth-to-mouth RT) with respect to the rotor magnet 56 of the rotor RT described later.
- the motor board 32 is arranged so as to face the reflector 67 of the housing cap 58 of the mouth RT.
- a speed sensor 110 is provided on the motor board 32 shown in FIG.
- the speed sensors 110 are also called photoreflectors, and are provided at predetermined intervals along the circumferential direction of the circular motor board 32, as shown in FIG.
- the motor board 32 is fixed to the iron core 53 with screws 53 f using a board holder-53 g.
- the feed line 32 j is a feed line that feeds the three coils C 1, C 2, and C 3 shown in FIG. 15 from the power stage 170.
- This signal line 32M is a signal line connecting the speed sensor 110 and the central processing circuit 101 of FIG.
- a temperature sensor 160 is provided on the substrate 32.
- This temperature sensor 160 is a sensor composed of a diode inserted inside the coil of the motor 31. The voltage of the temperature sensor 160 is compared, and when the temperature rises and exceeds the set value, the temperature The sensor 160 is a temperature detection signal for the central processing circuit 101 in Fig. 15. Is output. In response to this, the central processing circuit 101 determines that an abnormality has occurred in the motor 31 and stops the energization of the motor 31 to stop driving.
- the temperature detection signal from the temperature sensor 160 is subjected to analog / digital conversion in the analog input section 104 as shown in FIG. 2, and is taken in as a temperature signal TS (see FIG. 15).
- the three speed sensors 110 shown in FIG. 21 face the reflector 67 attached to the housing cap 58 of the mouth RT shown in FIG.
- the reflection plate 67 is provided with 24 mirror portions 67 a and non-reflection portions 67 b alternately as shown in FIG. 22 and is formed along the circumferential direction. I have.
- Each speed sensor 110 includes a light emitting unit 111 and a light receiving unit 112.
- the light L of the light emitting unit 111 is reflected by the mirror part 67 a of the reflector 67 and becomes return light LR to be received by the light receiving unit 112. Therefore, the speed sensor 110 detects the presence / absence of only the mirror portion 67a of the reflector 67 of FIG. 22 optically in a non-contact manner, so that the speed sensor 31 shown in FIG.
- the speed signal VS associated with the rotation of the low speed RT can be sent to the central processing circuit 101 as shown in FIG.
- the three speed sensors 1 1 0, 1 1 10, and 1 1 0 measure the time interval IT of the detection of the zero-crossing point ZC at the count 103 shown in Fig. 2. . Specifically, there is a zero-cross point of 24 cycles X 6 times for one rotation of the mouth RT of one day of the morning of 31. This is counted by the system clock. Note that variations may be included among the three speed sensors 110. By calculating the moving average six times, the department cancels the dispersion of the three sensors 110.
- the PWM signal generation logic unit 109 shown in FIG. 2 is based on the speed sensor outputs 110 (a), (b), and (C) shown in FIG. 23, and outputs rectangular wave speed sensor outputs (U) and (V). , (W).
- FIG. 24 shows the coils C1, C2, and C3 formed by the PWM signal generation logic unit 109 shown in FIG. 2 corresponding to the speed sensor outputs 110 (U), (V), and (W). An example of switching timing of the U phase, V phase, and W phase is shown.
- FIG. 25 shows a waveform example of the PWM signal for the dryino 17 Q of FIG. 15 by the PWM signal generation logic unit 109.
- Units 105a to 105c of the PWM unit 105 shown in FIG. 2 correspond to the U, V, and W phases, respectively, and are driven at the same duty as shown in FIG. can do.
- the current sensor 150 shown in FIGS. 15 and 2 takes in the voltage at both ends of the sense resistor (for example, 0.5 ohm) on the GND side into the analog input section 104 shown in FIG. / Converts to current by digital conversion.
- the need for a current sensor in this way is for the following reasons.
- the expanded current rating of batteries and rotating circuit elements can be kept low.
- the limitation of the inrush current is an instantaneous limitation, the reduction of the auxiliary driving force given by driving the motor 31 has no effect.
- the power supply line 32j is connected to the motor via the power supply line holding plate 32h from outside using the sealing tube 66 provided in the radiator 64. It is connected to the board 32 in the evening.
- the sealing tube 66 seals between the inside and the outside of the motor 31.
- the sealing tube 66 becomes a heatsink 6 Tighten to hole 6 4 a of 4 and do not protrude outside.
- the inner diameter of the sealing tube 66 is larger than that of the outer portion, so that even if the coil feed line 32 is pulled outward in the direction of the arrow X1 in FIG. Tube 6 6 is prevented from protruding any further.
- the coil feeder 32 j is fixed by a feeder retainer plate 32 h so as not to contact the housing cap 58.
- the stay holder 63 shown in FIG. 16 is made of, for example, aluminum, and the radiator 64 is also made of aluminum.
- the radiator 64 has a fin 64c for heat radiation. As shown in FIG. 17, a plurality of fins 64c are formed in the traveling direction of the electric bicycle 100 in the direction of arrow FF in FIG.
- the housing gap 58 is fixed to the housing 55 using screws 58 n as shown in FIG.
- the housing 55 and the housing gap 58 constitute a housing member for housing the stay ST.
- the housing gap 58 and the housing 55 accommodate the stay ST described above.
- Housing 5 5 has hole 5 5 h
- the shaft 55 passes through the hole 55h in a non-contact manner.
- the housing 55 is rotatably supported on the stay ST via a pairing 52, 52b.
- the housing gap 58 faces the motor shield plate 32 s of the motor board 32 and is supported by the bearing 52 b. That is, the housing 55 and the housing gap 58 are rotatably supported with respect to the shaft 51 on the ST side by only two bearings 52, 52b.
- the housing 55 is attached to each of the spokes 17 p of the rear wheel 17 in FIG. 1 as shown in FIGS. 26 and 27. Therefore, the mouth RT rotates together with the rear wheel 17.
- the housing 55 and the housing gap 58 substantially surround the stay ST, and the shaft 51 is supported by the frame 11.
- a mouth case 54 serving as a mouth yoke with screws 22d.
- a magnet 56 such as a strip-shaped sintered neodimagnet, which is magnetized in one direction, is arranged in the mouth-to-night case 54.
- the arrangement of the magnets 56 is shown in Figs. 19 and 28. In other words, 48 magnets 56 are inserted along the inner peripheral direction of the low case 54 and adhered to the mouth case 54, and the N pole 56 a and the S pole 56 b There are 24 combinations. Each magnet 56 faces the iron core 53 of the mouth RT at a predetermined interval.
- the magnets 56 and the mouth case 54 of the Ryukyu RT, the coils CI, C2, C3 and the iron core 53 of the stay ST form a magnetic circuit.
- the magnet 56 faces the coils C 1, C 2, C 3 along the circumferential direction at a predetermined interval.
- the iron core 53 has a skew angle.
- the iron core 53 has a skew angle and is set obliquely to prevent torque fluctuation.
- each slot (U, V, W phase) is wound by a counter electromotive voltage detection coil 53d for one slot, and the back electromotive voltage detection coil 53d receives and emits light.
- the unit 110 can be used as a sensor that takes the timing of energizing the coil. In this case, it has the same function as a sensorless drive, but has the advantage that starting up is not a problem. That is, when the electric bicycle is completely stopped, the back electromotive voltage detection coil 53d does not generate an output for energizing timing, but when the driver starts driving, the bicycle is moved or the pedal is moved. As a result, an output is generated in the detection coil 53d, so that the electrical connection timing of the motor can be obtained, and there is no ambiguity in the rotation direction at start-up, which is peculiar to the sensorless drive.
- a stay holder 63 made of aluminum having good heat conductivity is pressed into the shaft 51. Tighten the iron core 53 and the board holder 53 g together with the screw 51 b to the flange 51 a of the shaft 51. At this time, the iron core 53 and the stay holder 63 are fitted so as to be integrally connected. Fix the motor shield plate 32 s to the substrate holder 53 g with screws 53 f. Fix the motor board 32 with the screw 53p while adjusting the angle of the motor board 32 with respect to the motor shield plate 32s.
- the angle is set so that the signal from the reflecting plate 67, which is a light receiving / emitting unit 110, which is a photoreflector, is a timing for energizing the coils (C1, C2, C3).
- the number of poles of magnet 56 should be equal to the number of mirrors, which is the number of teeth of reflector 67. It has become.
- the radiator 64 is inserted into the shaft 51 and is closely attached to the module shield plate 32 s so that the radiant heat from the coils (C 1, C 2, C 3) is 3 Make it difficult to communicate to 2. Thus, the substrate 32 can be protected from heat.
- the coils C 1, C 2, C 3 and the heat of the iron core 53 can be released through the stay holder 63.
- the heat of the coil is 2 0 0 ° about C
- the semiconductor on the motor board 3 2 a degree 8 0 e C degree, and stearyl Isseki holder 6 3 such that a temperature gradient is generated motor
- the mouth RT is rotatably supported on the stay ST via bearings 52, 52b, but is sandwiched from both sides by a housing 55 and a housing gap 58, and these housings 55 And are fixed to the housing gear 58 with screws 58 n.
- a packing may be interposed between the housing 55 and the housing gear tube 58 and the mouth RT.
- the motor 31 used here is an outer law evening-type Bresilesmo overnight called a wheel-in-mo.
- the use of the motor 31 has the following advantages.
- the housing 55 and the housing gap 58 of the rotor RT can be connected to both sides of the RT using only two pairings 52, 52b. It is rotatably supported by the shaft 51 on the ST side and the radiator 64. Therefore, in the axial direction of the shaft 51, the width of the motor 31 can be reduced, and the load of the mouth RT during rotation can be received in a well-balanced left and right direction.
- the housing 55 and the housing gap 58 of the mouth RT that constitute the housing member of Fig. 16 also called the wheel are directly connected to the rear wheel 17 of the electric bicycle 1000 in Fig. 1 by using spokes 17b. Since it is fixed, the driving torque generated by the low speed RT can be directly applied to the rear wheel 17. In addition, since the stay ST is disposed in the mouth RT and the rotor RT is disposed in the rear wheel 17, the appearance can be improved as shown in FIG.
- Station ST which has the coil part of unit 31, is housed in a sealed manner in the housing 55 and the housing gap 58 of the mouth RT. Waterproof and dustproof inside can be achieved.
- the magnets 56 of the R / R RT are disposed on the inner surface on the outer peripheral side of the housing 55, and the generated torque can be obtained at the outermost peripheral portion of the housing 55. If this is done, the outer diameter of the mouth RT can be made as small as possible and the thickness can be made small, so that the weight of the motor 31 housed in the wheel 17 in FIG. 1 can be reduced. And a large torque can be obtained at low speed.
- the function switching control unit 3000 of the motor includes a coil cut relay unit 200 as a first switching unit, a charging circuit relay unit 250 as a second switching unit, a rechargeable secondary battery 40, and a battery charging circuit. 300, power stage 1 ⁇ 0, etc.
- a coil cut relay part 200 is a relay section for turning on / off between one end of the coils C 2 and C 3 of the motor 31 and the motor driver power stage 170.
- the charging circuit relay section 250 is a relay for electrically turning on / off the coils C 2 and C 3 and the charging circuit 300 of the battery (secondary battery) 40.
- the part 200 is turned on when the motor 31 is driving to supply auxiliary driving force to the driving wheels, and the control signal CSS is given from the central processing circuit 101. And turns on between the coils C 2 and C 3 and the power stage 170. If the control signal CSS is not supplied, the coil cut relay unit 200 is turned off.
- the charging circuit relay section 250 can be turned on by the charging control signal PSS, and if the charging control signal PSS is not supplied, the charging circuit relay section 250 is turned off.
- FIG. 30 shows an example of the road running condition and the on / off condition of the two relay units 200 and 250.
- the coil cutter part 200 It turns off and a part of the relay for charging circuit 250 turns on.
- the motor 31 functions as a generator by traveling down the electric bicycle.
- the motor RT 31 of the motor 31 shown in Fig. 16 rotates with respect to the stay ST, so that the coil of the iron core 5 3
- An induced current is generated in C1, C2 and C3. Therefore, the induced current when the motor 31 functions as a generator can be stored in the secondary battery 40 via the battery charging circuit 300 via the charging circuit relay 250. it can.
- the charging circuit relay is operated when the traveling road surface is down and the rear brake sensor 14b is operated by operating the rear brake lever 12b.
- the unit 250 is turned on to perform charging.
- the amount of power stored in the secondary battery 40 can be increased while traveling, and traveling for a longer distance can be performed.
- a lithium ion battery As the secondary battery 40 used here, a lithium ion battery is used.
- This lithium-ion battery uses a non-aqueous electrolyte in which a carbon material capable of desorbing lithium is used as a negative electrode, a composite oxide of lithium and a transition metal is used as a positive electrode, and an electrolyte is added to a non-aqueous solvent.
- FIG. 31 shows the discharge characteristics of a lithium ion battery, a lead battery, and a nickel-copper dome battery.
- the vertical axis indicates the battery voltage
- the horizontal axis indicates the passage of time.
- Discharge characteristics of lithium-ion batteries are relatively large over time, especially as battery capacity decreases. It decreases with a slope.
- the initial voltage of a lithium-ion battery is 4 V or higher, and the voltage is high.
- lead-acid batteries have an initial voltage of about 2 V and do not change much over time
- nickel-cadmium batteries have an initial voltage of about 1.1 V, which also shows a change in voltage. Few.
- lithium-ion batteries are easier to grasp changes in voltage due to temporal changes, especially when the battery capacity is smaller, so the initial voltage of lithium-ion batteries, for example, Since the voltage drop from 4.2 V to the final voltage of about 2.7 V is almost proportional to the remaining battery capacity, it is easy to detect the remaining capacity of the lithium ion battery.
- Such a lithium-ion battery has a high energy density, a higher voltage than other secondary batteries as shown in Fig. 31, and does not contain harmful substances such as mercury, so that it is easy to handle.
- the lithium ion battery has a positive electrode 41 a, a negative electrode 42 a, ten current collectors 41, one current collector 42, and a separator 43.
- the current collectors 41 and 42 and the separator 43 are disposed in the electrolyte 45 of the container 44.
- the lithium ion 46 is charged by passing through the separator 43 toward the negative electrode 42a, which is the current collector 42.
- discharge occurs when lithium ions 46 pass from the negative electrode 42 a to the positive electrode 41 a through the separator 43.
- Fig. 33 shows the remaining battery capacity of the lithium-ion battery secondary battery 40, which is used to estimate and display how long the electric bicycle shown in Fig. 1 can be driven later.
- This remaining travel distance display device 700 can be attached to, for example, the vicinity of the handle 12 shown in FIG. 1 or to the attachment plate 21 or the like.
- the remaining travel distance display device 700 is connected to the motor 31 and the travel information detection unit 100 via connection terminals 70 1 and 70 2.
- the remaining travel distance display device 700 is connected to the discharge control circuit 48 of the secondary battery 40 via connection terminals 703 and 704.
- a current detector 706 is provided between the connection terminals 703 and 701. This current detector 706 detects a current value flowing from the charge / discharge control circuit 48 to the motor 31 side. As for this current value, the current time average value calculation section 799 calculates the current time average value. Then, the time average value of the current is stored in the memory 708.
- connection terminal 703 is connected to the voltage detector 707.
- This voltage detector 707 detects the voltage value of the secondary battery 40 obtained from the charge / discharge control circuit 48. As shown in FIG. 31, the voltage detector 707 detects a change in the voltage from the initial voltage of about 4.2 V to the final voltage of about 2.7 V.
- the voltage of the secondary battery 40 detected by the voltage detector 707 is stored in the memory 708.
- the memory 708 stores a table indicating the relationship between the remaining capacity of the secondary battery 40 with respect to the time average value of the current and the travelable distance by the motor 31. Accordingly, the remaining distance is displayed on the remaining distance display section 709 based on the time average value of the current and the value of the voltage value based on the value of the table held in the memory 708.
- the remaining distance display section 709 can digitally display the remaining traveling distance, for example.
- the remaining distance display section 709 has four LEDs (light emitting diodes).
- D) The remaining travel distance can be displayed in analog form by turning on or off the 7 10, 7, 11, 712, 713. For example, when the LED 710 lights up, it can be displayed that the remaining mileage is 1 to 5 Km, and when the LED 711 lights up, it can be displayed that the remaining mileage is 6 to 19 Km. When 1 and 2 are lit, the remaining mileage is 11 to 30 Km, and when LED 7 13 is lit, the remaining mileage is 31 to 70 Km.
- the secondary battery 40 a secondary battery other than a lithium-ion battery can be used as long as it has a characteristic of monotonically decreasing the voltage with respect to the remaining amount of stored power.
- an analog / digital converter is used for the voltage detector 707, and the voltage detector 707 falls within the range from the full charge to the end of discharge of the secondary battery 40, that is, within the range shown by the curve of the lithium ion battery in FIG.
- the voltage of the secondary battery 40 can be measured.
- the voltage detected by the voltage detector 707 is applied to the memory 708 using an analog / digital converter, the voltage of the rechargeable battery 40 is generally within the range of 4.2 V at full charge to 2.7 V at the end of discharge. It is preferable that the voltage corresponding to the remaining amount monotonically decreases when the voltage of the rechargeable battery 40 is 1 to 100 or more.
- the battery pack 49 including the secondary battery 40 and the charge / discharge control circuit 48 shown in FIG. 33 can be removed from the remaining travel distance display device 700.
- the remaining mileage display device 700 can be removed from the mounting plate 21 of the electric bicycle 1000 via the connection terminals 701 and 702. Therefore, the remaining mileage display device 700 can independently display the remaining mileage of the secondary battery 40 even when the remaining mileage is brought indoors.
- the remaining mileage display device 700 can be removed from the bicycle 1000 via the connection terminals 701 and 702 as shown in FIG. It is convenient because the remaining travel distance of the secondary battery 40 can be displayed even during charging while being removed from 1000.
- the remaining distance display section 709 may use, for example, a moving coil type pointer-type voltmeter or the like other than those shown in FIGS. 34 and 35. Also, the remaining distance display 709 may display the remaining capacity of the secondary battery 40 in addition to the remaining distance.
- FIG. 36 is a main routine showing the operation of the electric bicycle 1000 shown in FIG. In FIG. 36, when the main routine stops, the central processing circuit 101 in FIG. 2 initializes the digital input / output unit 102, the PWM signal generation logic unit 109, and the other parts (steps). ST 1).
- step ST2 of FIG. 36 the operation moves to the settable routine of the drive pattern.
- the drive pattern set subroutine is shown in FIG. 37.
- the sensor pattern is read in step ST2-1.
- the reading of the sensor pattern means that the three speed sensors 110 in FIG. 21 read the pattern of the mirror portion 67 a of the reflector 67 in FIG. 22.
- the positional relationship between magnet 56 and coils CI, C2, and C3 is determined.
- step ST2-2 in FIG. 37 the drive pattern of the motor 31 is determined.
- the speed sensor 1 1 0 determines the following by reading the pattern of the reflector 67. That is, as shown in FIG. 24, the energization pattern of the coil for correctly rotating the motor 31 is uniquely determined in accordance with the output pattern of the speed sensor, and this is set.
- step ST2-3 CTC is reset.
- the CTC is a count 105 a to 105 k constituting the PWM signal creation logic unit 109.
- step S T 2-4 the arm direction is reset.
- the reset of the arm direction is to set which module of the power stage 170 of the three-phase motor 31 to receive the PWM control signal.
- step ST4 of FIG. 36 the zero cross point ZC in FIG. 23 of the three speed sensors 110 shown in FIG. 21 is checked. If the zero cross point is to be checked, the process proceeds to the subroutine of step ST 5 in FIG. 38.
- the crank rotation sensor 120 arranged for the crank 14 shown in Fig. 13 is checked in ST6 in ST6. .
- step ST5-1 in FIG. 38 the speed sensor 110 shown in FIG. 21 detects the mirror portion 67a shown in FIG. 22.
- the detection signal of the speed sensor 110 is The counter 103 is reset via the digital input / output unit 102 shown in FIG. 2, and in step ST5-3 and step ST5-4, the central processing circuit 101 calculates the speed (V) To generate the velocity signal VS, calculate the acceleration (A), and generate the acceleration signal AS as the velocity change signal.
- step ST5-5 of FIG. 38 the process returns to the drive pattern set subroutine shown in FIG. 37, and performs a predetermined process of the drive pattern subroutine ST2.
- step ST6 of FIG. 36 when the rotation sensor 120 of the crank 14 shown in FIG. 13 is checked, the process proceeds to a crank subroutine of step ST7.
- This crankable routine ST7 is shown in FIG. 39.
- step ST7-1 the crank rotation sensor 120 shown in FIG. 13 reads the mirror part 122 as the crank 14 rotates, It is input to the digital input / output unit 102 shown in FIG. 2 and the counter 103 counts it.
- step ST71-2 in Fig. 39 the count 103 is reset.
- step ST7-3 in FIG. 39 the crank speed when the crank 14 shown in FIG. 13 rotates is calculated based on the above count value. Thereafter, the process proceeds to step ST8 in FIG.
- the temperature sensor 160 in FIG. 21 checks the temperature in the mode 31. If the value detected by the temperature sensor 160 is higher than the predetermined temperature, the process proceeds to a high temperature processing subroutine of step ST9 in FIG.
- step ST 9-1 the central processing circuit 101 cuts the coil. By shutting off the relay section 200, the power stage 170 stops energizing the motor 31. As a result, as in step ST 9-2, in the electric bicycle 100, the assistance of the driving force by the motor 31 becomes zero.
- step ST9-3 if the temperature detected by the temperature sensor 160 in FIG. 21 has become lower than the predetermined temperature, the process proceeds to step ST10 in FIG.
- Step ST10 checks the operation of the power stage 170 of FIG. If the power stage 170 outputs the error signal 170 e of FIG. 2 to the digital input / output unit 102, the central processing circuit 101 outputs the error signal of step ST 11 of FIG. 41. Move to subroutine. In this case, by turning off the coil cutter part 200 shown in Fig. 15 as shown in step ST11, the motorized bicycle 1 by the motor 31 as shown in step ST11-2. 0 0 ⁇ Driving force assistance is set to 0. Then, in step ST11-3, an error flag is set, and in step ST12 of Fig. 36, all the operations of the system are terminated.
- step ST10 of FIG. 36 the process enters the assist subroutine ST13 shown in FIG.
- this assistable routine ST13 is a part of the coil cutter relay shown in FIG. 15 in step ST13-8.
- the driving force assistance of motor 31 is set to 0 in step ST13-9, and the operation ends.
- step ST 13-1 If the error flag is not set in step ST 13-1 shown in FIG. 42, the processing of ST 13-2 to ST 13-7 shown in FIG. 42 is performed. Work.
- step ST13-2 the driving power assist button 180 shown in FIG. 2 is turned on by the driver, and the speed of the electric bicycle 100 is, for example, less than 2.5 Km / h.
- step ST13-10 the coil cutter part 200 shown in FIG. 15 is turned on, and in step ST13-11, the auxiliary amount of the driving force is set to a constant value K.
- K the speed of the electric bicycle 100
- Coil cut relay section 200 is turned on, and motor 31 gives electric bicycle 100 00 a fixed amount of driving force assistance.
- step ST13-3 If the speed of the electric bicycle 1 000 is more than 2.5 Km / h in step ST13-2 in Fig. 42, check the brake in step ST13-3.
- the central processing unit 101 can check whether or not the driver is operating the brake. If any of the brakes are applied, the auxiliary amount of the driving force of mode 31 is set to 0 in step ST13-9.
- step ST13-4 the process proceeds to the inclination check in step ST13-4.
- the tilt check is performed by the tilt sensor 90 shown in FIGS.
- the central processing circuit 101 turns off the coil cut relay unit 200 and turns on step ST13-9. To set the auxiliary amount of driving force of motor 31 to 0.
- the central processing circuit 101 judges that the road is a flat road or an uphill, and moves from step ST 13-4 to step ST 13-5.
- Check synchronization of crank rotation That is, it is determined whether or not the driver rotates the crank 14 shown in FIGS. 12 and 13 with the pedaling force, and the rotational speed of the motor 31 is larger than the rotational speed of the crank 14. In this case, it is assumed that the driving force assistance by the motor 31 is unnecessary, and the central processing circuit 101 shown in FIG. — Turn it off with 8, and set the driving force auxiliary amount to 0.
- step ST 13-6 If the rotation of the motor 31 is synchronized with the rotation of the crank 14 or the rotation of the crank 14 is faster than the rotation of the motor 31, the process proceeds to step ST 13-6, and the electric bicycle Check the speed of 1000.
- the rotation speed of the motor 31 is detected by the speed sensor 110 shown in Fig. 21 and the reflector 67 shown in Fig. 22.
- the rotation speed of the crank 14 is detected by Fig. 13
- the measurement is performed with the crank rotation sensor 120 and the reflection plate 122 shown in the figure.
- the speed of the electric bicycle 100 is 0 or faster than 24 km / h.
- the central processing circuit 101 shown in Fig. 15 turns off the coil power cut relay unit 200 to reduce the driving power auxiliary amount to To
- step ST13-7 Move on to subroutine, which calculates the amount of driving force assistance.
- the driving force assisting amount can be calculated from the speed, acceleration, and inclination of the road surface of the electric bicycle 1000.
- FIG. 43 is a diagram showing an example of the timing of assisting the driving force by the motor 31 when the electric bicycle 1000 shown in FIG. 1 is running in various modes.
- mode (A) is written from 0 to 12, and as shown in Fig. 44, mode 0 is the initial state, mode 1 is the brake state, mode 2 is the stop state, and modes 3 to 5 are Accelerated running mode, Mode 6 is inertial running mode, Mode 7—Constant running state, Mode 8 is decelerated running state, Mode 9 and Mode 10 is downhill running mode, Modes 11 and 12 are uphill running state Is shown.
- (B) to (H) of FIG. 43 show the operating states of various parts corresponding to the mode (A).
- the main switch is off or the secondary battery 40 shown in FIG. 15 is out of battery, and the motor 31 is in a free state.
- 0 means that the driver can move by hand or move as a normal bicycle.
- the auxiliary amount of the driving force from the motor 31 is 0.
- mode 2 in FIG. 43 the electric bicycle 1000 is stopped and the motorbike 31 is in a free state, so that the driver can freely move the electric bicycle by hand.
- Modes 3 to 5 in Fig. 43 show the accelerating driving state.
- mode 3 since the motor 31 and the crank 14 are synchronized (less than 15 km / h), the motor 31 is necessary. Assists the driving force for half the required work load.
- the motor 31 and the crank 14 are synchronized, and are accelerating at a speed of 24 km / h or more.Therefore, the auxiliary amount of driving force to the rear wheels by the motor 31 is lost, and the motor 31 The power is not being supplied.
- the motor 31 and the crank 14 are in a decelerating state synchronized with each other, and the motor 31 assists the driving as in the accelerated running state in the modes 3 to 5.
- Mode 9 and mode 100 are in a downhill running state, in which the electric bicycle 1000 is running downhill with the motor 31 and the crank 14 out of synchronization. Therefore, regardless of the speed, the auxiliary amount of the driving force of the motor 31 is 0, and the motor 31 is not energized.
- the motor 31 and the crank 14 are in a synchronized acceleration state, and are traveling downhill. Even in this case, regardless of the speed, the auxiliary amount of the driving force of the motor 31 is 0, and the motor 31 is not energized.
- the electric bicycle 1000 is running on an uphill with the motor 31 and the crank 14 synchronized. Accordingly, a coefficient depending on the angle of the slope is added to the auxiliary amount of the driving force of the motor 31 according to the speed, and a predetermined auxiliary amount of the driving force of the motor 31 is applied to the rear wheel 17.
- the vehicle In mode 12, the vehicle is climbing a steep uphill slope with the crank 14 synchronized with the motor 31.
- the coefficient depends on the slope angle.
- the auxiliary amount of driving force is limited by the characteristics of motor 31. In the case of an uphill, even if crank 14 is temporarily out of synchronization with motor 31, motor The assisting of the driving force of the amount that does not stop the rear wheel 17 and the rear wheel 17 as the driving wheel is continued.
- crank rotation sensor 120 of FIG. 43 (D) detects the speed of the crank when the driver accelerates by pressing the pedal. In modes 6 to 12, crank speed is also detected.
- the speed sensor 110 in (E) detects the speed of the electric bicycle 1000 in modes 3 to 12.
- the tilt sensor 90 in FIG. 43 (F) detects the tilt angle of the electric bicycle 1000 on the downhill and uphill in modes 9 to 12.
- the auxiliary amount of the driving force in Fig. 43 (G) is given during acceleration in modes 3 and 4, and in modes 7 and 8 and modes 11 and 12.
- the coil cutter part 200 shown in FIG. 43 (H) is controlled so as to turn on or off the motor 31 in accordance with each mode.
- FIG. 45 (A) shows an example of the running pattern of the electric bicycle 1 000, specifically, a flat road surface Tl, a climbing road surface ⁇ 2, a flat road surface ⁇ 3, a down road surface ⁇ 4, and a flat road surface ⁇ 5. This is shown as an example.
- FIG. 45 ( ⁇ ) shows the tilt signal I N S of the tilt sensor 90, and FIG.
- FIG. 5 (C) shows the crank rotation signal CRS of the crank rotation sensor 120
- FIG. 45 (D) shows the speed signal VS of the speed sensor 110
- Figure 45 ( ⁇ ) shows the speed signal VS obtained from the speed sensor 110, and the acceleration signal AS obtained by differentiating.
- (G) shows ON / OFF signals of the front brake sensor 130 and the rear brake sensor 140.
- FIG. 45 (H) shows the on / off signal of the coil cut relay section (drive side relay) 200 of FIG. 15, and FIG. 45 (I) shows the on / off of the charging circuit relay part 250 of FIG. An off signal is shown.
- the section from the initial position of the flat road surface T1 to the middle of the flat road surface T3 is indicated by a section TL1
- the middle of the flat road surface ⁇ 3 to the middle of the downhill road surface ⁇ 4 is indicated by a section TL2.
- the section from the middle of the downhill road # 4 to the position where the electric bicycle 100000 stops is indicated by section TL3.
- each part operates as follows.
- Fig. 45 When the electric bicycle 1000 is running on the flat road surface ⁇ 1 of the section TL1 in section 5 ( ⁇ ), the coil cut relay unit 2000 is on and the motor 31 is driven. As a result, auxiliary driving force is applied to the rear wheel 17.
- the output of the inclination sensor 90 is 0 because the road surface is flat, and the crank rotation signal CRS is output because the driver is applying pedaling force to the pedal of the electric bicycle 100000.
- the speed signal V S of the speed sensor 110 and the acceleration signal A S based on the speed signal V S are given to the central processing circuit 101 of FIG. 2 according to the running state.
- the inclination sensor 90 When the electric bicycle 1000 reaches the downhill surface T4 shown in FIG. 45 (A), the inclination sensor 90 outputs a downhill inclination signal INS, and the driver applies the pedaling force to the pedal. Stop adding. Therefore, the signal CRS of the crank rotation sensor 120 becomes 0 at time t3.
- the driver brakes the rear wheel 17 at time t4.
- the value of the speed signal V S of the speed sensor 110 gradually decreases, and the acceleration signal A S becomes negative.
- the charging circuit relay unit 250 shown in Fig. 45 (I) is turned on by a command of the central processing circuit 101. That is, at the time t4, the coil cut relay shown in Fig. 2 is turned on. Since the relay section 250 for the charging circuit is turned on while the section 200 is off, the module 31 functions as a generator, and the module 31 operates as the secondary battery 40 in FIG. To start charging.
- the driving force of motor 31 is required to be assisted, so coil cut relay unit 200 is turned on, motor 31 is driven, and rear wheel 1 is driven. Apply auxiliary driving force to 7. Soshi When the vehicle reaches section TL2, it is not necessary to assist the driving force to the rear wheel 17 by the motor 31.
- the motor 31 Since the regenerative current of the electric bicycle 100 does not flow, it does not prevent the electric bicycle 100 from running by inertia.
- the downhill is used, so that the electric bicycle 100 can run under its own weight, so that the motor 31 can function as a generator. Charging is performed.
- driving motor 31 in section TL 1 and adding auxiliary driving power to rear wheel 17 is performed only when electric powered vehicle 100 is below the set speed, for example, below 24 km / h. In this case, it is necessary that the brakes of the front wheel 16 and the front and rear wheels 17 are off, and that the signal CRS of the crank rotation sensor 120 is output and that the vehicle be on an uphill or a flat road surface.
- section TL3 when the rear brake is turned on while the coil force storage part 200 is off, the rear brake sensor 140 is turned on and the rear brake signal BBS is applied to the central processing circuit 100.
- the central processing circuit 101 outputs the charge control signal PSS, turns on the charging circuit relay part 250, and the motor 31 acts as a generator to regenerate. Braking and charging operations can be performed.
- the amount of regenerative braking in section TL3 can be controlled by the regenerative current of motor 31 acting as a generator.
- the regenerative current value can be obtained by setting the angles of the potentiometers 130a and 140a shown in Fig. 7 by the angle of the front brake lever 12a or the rear brake lever 12b in Fig. 5. Can also be controlled.
- a front brake sensor or a rear brake sensor 130, 140 such as a microswitch
- the brake is turned on. Detects the rake amount from the deceleration state (negative acceleration information) and matches it.
- the assist force of the electric bicycle brake is smoothly given by applying the braking force of 1 Z 2 to the motor 31 which is used as a generator. be able to.
- the traveling information detection unit 100 detects whether or not the brake has been applied so as not to decelerate, using the inclination sensor, the brake sensor, the acceleration information, or the like.
- the coil cutting relay 200 shown in FIG. 15 is turned off so that the motor 31 can supply the auxiliary driving force.
- the regenerative current of the motor 31 acting as a generator varies not only with the voltage on the generator side depending on the speed, but also with the remaining amount of the secondary battery 40. Then, in order to obtain stable control power, the necessary amount of regenerative current required for charging is supplied to the secondary battery 40 based on remaining amount information from the CPU built in the secondary battery 40, and the remaining The regenerative current may be consumed or supplementarily charged elsewhere.
- the rear brake is used for smooth deceleration of the electric bicycle
- the front brake is used for stopping the electric bicycle.
- a strong reverse torque mode braking force is quickly generated on the rear wheels or the front and rear wheels, and stable running stop can be realized.
- the traveling information detecting unit 100 which is the traveling information grasping means, is connected to the rear wheel 17 constituting the rotating unit of the bicycle.
- the running state is grasped based on the speed information obtained from the speed sensor 110 of the motor 31 mounted physically, that is, the speed signal VS.
- the speed sensor 110 is in contact with the rear wheel 17 and the motor that rotates integrally with the rear wheel 17. No mechanical addition to RT.
- the driving force assist mechanism estimates the acceleration signal AS, which is the speed change information to be given by the driver, obtained from the driving information detecting unit 100, which is the driving information grasping means, that is, the driver's intention. Assists the driver with the driver's will.
- the present invention In this case, unlike the conventional method in which the driver calculates 1/2 of the pedaling torque using a conventional mechanical torque sensor and gives an auxiliary driving force of 1/2 of the pedaling force from the motor, the present invention
- the rear wheel 1 uses the auxiliary driving force as a driving wheel by driving the motor 31 according to the current running state without mechanically adding the rotating part of the electric bicycle, and further, by faithfully driving the driver's intention. 7 can be supplied. As shown in Fig. 16 and Fig.
- a motor directly connected to the rear wheel 17 is used. That is, the stay ST of the motor 31 is directly provided integrally with the shaft 51 corresponding to the axle of the electric bicycle 1000. Therefore, in conventional electric bicycles, the driving force of the motor is transmitted to the rear wheels via the gearbox, which causes power transmission loss due to gears and the large size and heavy weight.
- the mode 31 according to the present invention has solved all these points.
- the mouth RT of the mouth 31 is located outside the stay ST ST, and the morning 31 is a one-night outer mouth type.
- this outer rotor type motor Since it can be directly connected to the spokes 17p of the rear wheel 17, the structure is simple and the weight is reduced.
- the rotor rotates with respect to the stay and moves the moving device.
- the heat is radiated through the stay holder 63 and the radiator 64 constituting the discharging means.
- failure and deterioration of the motor can be suppressed.
- the heat can still be radiated through the stay holder 63 and the heat radiator 64.
- the radiator 64 is provided with a fin, its heat radiation efficiency can be further improved.
- the radiator can be easily installed by pressing it into the stay.
- the fins provided on the radiator 64 parallel to the moving direction of the moving device the fins can be efficiently cooled during moving. Since the power supply line for energizing the drive coil of the stay is connected to the drive coil from the outside through the radiator 64 on the stay side, it is easy to route the power supply line.
- the rotating part is a concept including at least one of a rear wheel and a front wheel or including a crank.
- the present invention can be widely applied not only to the electric bicycle as described above, but also to a moving device such as a wheelchair, a transport vehicle, an automobile as a playground equipment and other vehicle toys, which are mainly composed of human power.
- rotating parts such as auxiliary wheels also constitute the rotating part of the present invention.
- a lithium-ion battery that outputs high voltage and has good discharge characteristics is used.
- Other rechargeable batteries such as Ni-MH (nickel-metal halide) batteries can also be used.
- the current detector 706, the voltage detector 707, or the remaining distance display section 709 uses a moving coil type pointer-type voltmeter, May be displayed on the scale display plate as a pointer so that the driver can visually check the current value or voltage value and the remaining distance display.
- the motor is arranged corresponding to the axle of the rear wheel, but is not limited to this, and may be arranged directly on the crankshaft or directly on the front wheel.
- the moving device detects the running state by detecting the rotation speed of the rotating unit in a non-contact manner with respect to the rotating unit such as a wheel, and detects the running state. Since driving is performed by supplying an auxiliary driving force from the driving force assist mechanism in accordance with the speed change information that the driver intends to give based on the driving information, it is difficult to drive using only human power. In any case, smooth running can be realized.
- the running state since the running state is detected without contacting the rotating part, the running state can be detected without imposing a large load on the moving device, and it is possible to prevent obstruction of running only by human power. it can. Further, since the driving force assist mechanism is directly connected to the wheels, the driving force assist mechanism can be reduced in size and the weight of the moving device can be reduced.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19970922153 EP0846614B1 (en) | 1996-05-24 | 1997-05-23 | Moving apparatus with drive power assisting device and movement controlling method |
US09/000,030 US6247548B1 (en) | 1996-05-24 | 1997-05-23 | Moving apparatus with drive power assisting device and movement controlling method |
DE69711342T DE69711342T2 (de) | 1996-05-24 | 1997-05-23 | Bewegbare vorrichtung mit hilfsantrieb und verfahren zur steuerung der bewegung |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP15303796 | 1996-05-24 | ||
JP8/153037 | 1996-05-24 | ||
JP35776896A JP3682590B2 (ja) | 1996-05-24 | 1996-12-27 | 移動装置と移動制御方法 |
JP8/357768 | 1996-12-27 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/000,030 A-371-Of-International US6247548B1 (en) | 1996-05-24 | 1997-05-23 | Moving apparatus with drive power assisting device and movement controlling method |
US09/851,883 Division US6580188B2 (en) | 1996-05-24 | 2001-05-09 | Moving apparatus with drive force assist mechanism and movement control method |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997045316A1 true WO1997045316A1 (fr) | 1997-12-04 |
Family
ID=26481771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/001740 WO1997045316A1 (fr) | 1996-05-24 | 1997-05-23 | Engin de locomotion avec dispositif moteur auxiliaire et procede de commande du deplacement |
Country Status (6)
Country | Link |
---|---|
US (2) | US6247548B1 (ja) |
EP (2) | EP0976649B1 (ja) |
JP (1) | JP3682590B2 (ja) |
DE (2) | DE69711342T2 (ja) |
TW (1) | TW470037U (ja) |
WO (1) | WO1997045316A1 (ja) |
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- 1997-05-23 DE DE69711342T patent/DE69711342T2/de not_active Expired - Fee Related
- 1997-05-23 WO PCT/JP1997/001740 patent/WO1997045316A1/ja active IP Right Grant
- 1997-05-23 DE DE1997628437 patent/DE69728437T2/de not_active Expired - Fee Related
- 1997-05-23 EP EP19970922153 patent/EP0846614B1/en not_active Expired - Lifetime
- 1997-05-23 US US09/000,030 patent/US6247548B1/en not_active Expired - Fee Related
-
2001
- 2001-05-09 US US09/851,883 patent/US6580188B2/en not_active Expired - Fee Related
Patent Citations (12)
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JPS5682686A (en) * | 1979-12-08 | 1981-07-06 | Senya Yamanaka | Bicycle |
JPS62182050U (ja) * | 1986-05-09 | 1987-11-18 | ||
JPH06219368A (ja) * | 1993-01-25 | 1994-08-09 | Kazuyoshi Nishikawa | 自転車用動力装置 |
JPH07172377A (ja) * | 1993-09-14 | 1995-07-11 | Riken Corp | 電気自転車 |
JPH07149280A (ja) * | 1993-11-26 | 1995-06-13 | Koyo Seiko Co Ltd | 電動モータ付き自転車 |
JPH07156856A (ja) * | 1993-12-01 | 1995-06-20 | Secoh Giken Inc | 電動自転車 |
JPH07196070A (ja) * | 1993-12-29 | 1995-08-01 | Riken Corp | 自転車及び直流モータの制御回路 |
JPH07215263A (ja) * | 1994-01-31 | 1995-08-15 | Sanyo Electric Co Ltd | 電気自転車 |
JPH0833302A (ja) * | 1994-07-20 | 1996-02-02 | Yoshihiro Onishi | 直流電動機付き自転車、直動型三相ブラシレス直流電動機及びその駆動装置 |
JPH08268361A (ja) * | 1995-03-30 | 1996-10-15 | Matsushita Electric Ind Co Ltd | 電動自転車 |
JPH0976983A (ja) * | 1995-09-08 | 1997-03-25 | Toshio Akao | 電動アシスト自転車 |
JPH09123982A (ja) * | 1995-10-30 | 1997-05-13 | Okamura Kenkyusho:Kk | 補助動力付き自転車 |
Non-Patent Citations (1)
Title |
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See also references of EP0846614A4 * |
Also Published As
Publication number | Publication date |
---|---|
JPH1035576A (ja) | 1998-02-10 |
TW470037U (en) | 2001-12-21 |
US6580188B2 (en) | 2003-06-17 |
EP0976649A3 (en) | 2000-04-05 |
JP3682590B2 (ja) | 2005-08-10 |
EP0846614B1 (en) | 2002-03-27 |
EP0976649B1 (en) | 2004-03-31 |
DE69728437D1 (de) | 2004-05-06 |
EP0846614A1 (en) | 1998-06-10 |
US6247548B1 (en) | 2001-06-19 |
DE69728437T2 (de) | 2005-03-03 |
DE69711342T2 (de) | 2002-11-21 |
EP0976649A2 (en) | 2000-02-02 |
DE69711342D1 (de) | 2002-05-02 |
US20030047369A1 (en) | 2003-03-13 |
EP0846614A4 (en) | 1999-01-07 |
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