CN1079348C

CN1079348C - Moped

Info

Publication number: CN1079348C
Application number: CN97113864A
Authority: CN
Inventors: 和田正美
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 1996-07-04
Filing date: 1997-06-27
Publication date: 2002-02-20
Anticipated expiration: 2017-06-27
Also published as: JP3493906B2; JPH1016868A; CN1171353A; DE19728253C2; DE19728253A1

Abstract

The bicycle is equipped with auxiliary electric drive in addition to foot pedal power. It includes a first control circuit (2) with a micro-computer for controlling the electric drive (1) and a second control circuit (7) with a microcomputer for a monitoring of the rechargeable battery (5), which supplies the electric drive with power, and/or the control of the electric bicycle by switching. The first and second control circuits are connected with each other across a communication circuit (15). The auxiliary present. intake is given by an auxiliary present. intake selection switch, and a signal related to this intake is entered across the second control circuit in the first control circuit, in order to control the electric drive.

Description

Electrical Bicycle

The present invention relates to a kind of Vidacare corp and can adapt to foot-operated load and the Electrical Bicycle of work.

Drive and Vidacare corp drives the coefficient Electrical Bicycle of auxiliary driving force function by foot-operated load of Vidacare corp response that has in specialized range about manpower, people propose all schemes constantly.It is 50% from 0 to 15Km/h the time that this Electrical Bicycle, the auxiliary scope of its Vidacare corp should be controlled at the speed of a motor vehicle, from reducing gradually by the speed of a motor vehicle between 15Km/h to 24Km/h, when reaching 24Km/h, is zero (0%).

Therefore, in Electrical Bicycle before, its Vidacare corp by the legpower detector that detects foot-operated load, detect pedal rotation speed speed of vehicle detector, to Vidacare corp the electrical motor of power is provided, electrical motor output is slowed down passes to the reductor of stretcher and the control circuit of controlling and driving electrical motor constitutes.Be located at microcomputer in the control circuit (below abbreviate " microcomputer " as) and calculate the boosting rate according to the information of legpower detector and speed of vehicle detector output, the power boosting in the afore mentioned rules is carried out at the control motor.Be located at the microcomputer in the control circuit, except that the control motor, also have functions such as the battery allowance alarm of judging TunePower and battery cut-out.

But, Electrical Bicycle before, the obtainable information of the microcomputer in its control circuit is limited, can not accurately monitor TunePower, and control ratio is more rough.In the control of electrical motor, also be only limited to predetermined boosting rate or pattern, can not be widely used.

Existing system just must be provided with numerous detection meanss and switch if will address the above problem, and the wiring that is electrically connected they and Vidacare corp must be arranged, and the complexity that has increased installation has like this improved price, thereby has the low shortcoming of valency high yield.

For addressing the above problem, Electrical Bicycle of the present invention has: by the manually driven foot drive device; The Vidacare corp of this foot drive device of assistive drive; In be provided with the first control circuit of microcomputer, the described Vidacare corp of controlling and driving; In be provided with microcomputer, by power supply being given the second control circuit that TunePower is monitored and/or switching manipulation is controlled Electrical Bicycle of described Vidacare corp; Described first control circuit links to each other through communication line with second control circuit.Mutually combine by distribution function between two microcomputers, can not increase expense like this or reduce capacity rating, thus can accurate management TunePower discharge and recharge and the basis of widespread use on carry out motor control.Therefore, the application operating of Electrical Bicycle of the present invention is good, rides comfortablely, and function is many, and purposes is wide.

The present invention connects first control circuit and second control circuit with communication line, so can interrelated mutual action.

Specify the boosting rate with the boosting alternation switch, boosting rate signal is sent to first control circuit,, like this,, also can make the sensation difference of riding Electrical Bicycle even use same electric device with the control Vidacare corp through second control circuit.

Second control circuit is calculated battery allowance according to TunePower being discharged and recharged the information that condition monitoring obtains, and when battery allowance is in the warning designated value when following, just starts the alarm display machines.Can correctly grasp battery allowance and grasp battery life by second control circuit, and show that correctly the surplus alarm shows.

Second control circuit is calculated battery allowance according to the information that the monitoring to the TunePower discharged condition obtains, through communication circuit the battery allowance signal is sent to first control circuit again, Vidacare corp is controlled, can prevent the infringement of excessive loads like this, have the effect that prolongs the charging travel distance simultaneously battery.

The accompanying drawing simple explanation

Fig. 1 is the general configuration figure of Electrical Bicycle of the present invention;

Fig. 2 is the diagram of block of the above-mentioned bicycle control method of expression;

Embodiment

Below in conjunction with Fig. 1, Fig. 2 embodiments of the invention are described.

Fig. 1 represents the general configuration figure of Electrical Bicycle of the present invention.The Vidacare corp 1 of this Electrical Bicycle is installed in the following pipe 3 of the framework that connects front-wheel and trailing wheel 6 and the below of seatpillar 4 joint portions.The electrical motor of Vidacare corp 1, legpower detector, speed of vehicle detector, and constitute one according to the first Vidacare corp control circuit of the Data Control electrical motor auxiliary rate (being the boosting rate) that obtains from this legpower detector and speed of vehicle detector.Because electrical motor and detector etc. constitute one, so Vidacare corp 1 is very simple with the assembling of car body.And being arranged on the lower curtate of car body substantial middle, center of gravity is low, makes that Electrical Bicycle is convenient to be handled.Have, TunePower 5 together is placed in the resin system box with the main body control circuit 7 that constitutes second control circuit, and is installed between seatpillar 4 and the trailing wheel 6 again.

Fig. 2 is the diagram of block of expression Electrical Bicycle control of the present invention.Two-wire is depicted as the power line of big electric current flow path such as driving motor among the figure, and single line is depicted as the signal wire (SW) of the signal current of flowing through.

Vidacare corp control circuit 2, boosting rate command signal and the dtc signal of legpower detector 8 and the speed signal of speed of vehicle detector 9 sent here through communication line 15 according to main body control circuit 7, calculate the pulse duty factor (duty) of the PWM of regulation, in order to driving motor 10.

Be connected to source switch 11 between TunePower 5 and the main body control circuit 7, battery is carried out make-break operation.At this moment, the supply of the power supply of Vidacare corp control circuit 2 is carried out with the on/off interlock of main body control circuit 7.

Main body control circuit 7 is connected with boosting rate select switch 12, and switch by switch and can select definite value boosting in full (assisting) pattern, or the boost mode lower than this value.This selection sends to Vidacare corp control circuit 2 through communication line 15, and this circuit 2 is according to each preference pattern drive control motor 10.Low boosting rate is selected in the selection of boost mode during if any muscle power, select high boosting rate when tired, like this, bicycle both can far be gone out, and can improve health again, can apply in a flexible way according to end user's muscle power or place.

Be connected to battery discharge monitoring device 13 between source switch 11 and the main body control circuit 7, monitoring the discharged condition of TunePower 5 all the time, and give main body control circuit 7 this information.Be lower than specified value when following at the battery allowance of TunePower 5, main body control circuit 7 makes 14 work of alarm read out instrument, and this situation is informed the cyclist.Particularly, available LED lamp is bright or send methods such as buzzer tone.Be connected to battery charge monitoring device 16 between charger 17 and the TunePower 5.Whether 16 monitorings of electricity weak charge monitoring devices are charged fully, and then monitoring accumulative total charging times.Like this, can make the assurance precision of battery allowance of TunePower 5 higher, battery allowance accurately can be conveyed to the cyclist, can hold battery life simultaneously, in time TunePower 5 be upgraded.As above the information of the high accuracy battery surplus of Huo Deing is given motorized motions control circuit 2 through communication line 15, and electrical motor 10 is made necessary drive controlling.In a word, can accurately judge dead battery, owing to end Vidacare corp 1 this moment, so can avoid making battery impaired because of unreasonable use.

In sum, Electrical Bicycle of the present invention is shared the control to Electrical Bicycle separately, and then be connected with communication line between control circuit owing to be provided with Vidacare corp control circuit and main body control circuit simultaneously, so being provided, the Electrical Bicycle that is provided economizes wiring, and battery allowance management precision height, and then control circuit change selection boosting rate separately, it is many to seek function, improve the operability that has improved Electrical Bicycle, comfortable by bike, purposes is many, and helps improving health.

Claims

1. an Electrical Bicycle is characterized in that, has:

By the manually driven foot drive device;

The Vidacare corp of this foot drive device of assistive drive;

In be provided with the first control circuit of microcomputer, the described Vidacare corp of controlling and driving;

In be provided with microcomputer, by power supply being given the second control circuit that TunePower is monitored and/or switching manipulation is controlled Electrical Bicycle of described Vidacare corp;

Described first control circuit links to each other through communication line with second control circuit.

2. Electrical Bicycle as claimed in claim 1 is characterized in that, second control circuit connects legpower detector and speed of vehicle detector, the boosting rate at control motor.

3. Electrical Bicycle as claimed in claim 2, it is characterized in that second control circuit connects boosting rate select switch, specifies the boosting rate with this boosting rate select switch, by second control circuit boosting rate signal is sent to first control circuit, the control Vidacare corp.

4. Electrical Bicycle as claimed in claim 3 is characterized in that, second control circuit utilizes legpower detector, speed of vehicle detector and boosting rate select switch decision boosting rate, calculates the PWM dutycycle of regulation, driving motor.

5. Electrical Bicycle as claimed in claim 1 is characterized in that, second control circuit has the function of the charge condition of monitoring TunePower.

6. Electrical Bicycle as claimed in claim 1 is characterized in that second control circuit has the function of the discharged condition of continuous monitoring TunePower.

7. Electrical Bicycle as claimed in claim 1, it is characterized in that second control circuit is calculated battery allowance according to the information that monitoring obtained to TunePower discharged condition and charge condition, when battery allowance reaches the alarm indicated value when following, make the action of alarm indication mechanism.

8. Electrical Bicycle as claimed in claim 1, it is characterized in that, second control circuit is calculated battery allowance according to the discharge of monitoring TunePower, the information that charge condition obtained, and the battery allowance signal is sent to first control circuit through communication line, and Vidacare corp is controlled.

9. Electrical Bicycle as claimed in claim 1 is characterized in that, the communication line that connects described first control circuit and second control circuit be can two way communication circuit.