CN2402589Y

CN2402589Y - Double-motor flexible driven type moped

Info

Publication number: CN2402589Y
Application number: CN 99241131
Authority: CN
Inventors: 何志成
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-09-16
Filing date: 1999-09-16
Publication date: 2000-10-25
Anticipated expiration: 2009-09-16

Abstract

The utility model discloses a double-motor flexible driving type moped, which is composed of a front wheel, a rear wheel, a moped body frame, a battery, a battery box, an electric controller, a braking system, motors, etc. The utility model is mainly characterized in that the front wheel and the rear wheel are respectively provided with a motor and adopt an integrated structure of the wheel and the motor. Because of the double-motor flexible driving type, the whole moped can always keep higher running efficiency, extend the cycle service life of the battery, reduce the consumption of the motors and increase the reliability of running under various road conditions.

Description

Double-motor flexible driven electrical bicycle

The utility model relates to a kind of Electrical Bicycle, particularly relates to the Dual-motors Driving bicycle of the equal translator of a kind of forward and backward wheel.

Electrical Bicycle on the present market, generally adopt single motor drive mode, and the Electrical Bicycle operation characteristic determines actual power demand, generally all changes between 80W-400W, and it is impossible being made in all higher motor (efficient is more than 75%) of such variation range internal efficiency.If adopt the smaller power motor, then electrical efficiency can descend rapidly with the increase of overload rate, causes load-loss, adds the loss of speed motor, electrical equipment simultaneously, shortens the life-span, and is the most obvious with battery especially.Also shorten simultaneously car load and whenever fill the once stroke of electricity.As adopting than heavy-duty motor, then there is the shortcoming of underloading loss again, equally also can reduce the car load operating efficiency, shorten and whenever fill the once stroke of electricity.

Put it briefly, the Electrical Bicycle of single motor drive mode exists the car load operating efficiency low, and hill climbing ability is low, and unfailing performance is low, and the electrical equipment and electrical life-span is short, and dynamo-electric apparatus loss is fast, the point of the high deficiency of fault rate.

At above-mentioned situation, the purpose of this utility model provides a kind of can riding flexibly according to road conditions and actual bearer amount.And the Electrical Bicycle that operating efficiency is high.

Above-mentioned purpose realizes by adopting the Dual-motors Driving mode.Front and rear wheel of the present utility model carries motor.When Electrical Bicycle operates in level road (or underloading), with single motor-driven, car load efficient higher (because of motor rated power less); When Electrical Bicycle is climbed 7-8 degree slope road (or level road seriously transships), drive front and rear wheel simultaneously with double-motor, eliminated the serious overload of motor, operating efficiency is higher equally, and hill climbing ability is all stronger than the Electrical Bicycle of any single motor drive mode.

Another constructional feature of the utility model is that forward and backward wheel adopts electromechanical integrated structure.Wherein rim, width of cloth bar and the axle skin three parts that are integrated are the integral product that gone out by mould molding, Mechanized Processing, thereby the product design high conformity, mechanical dimension's precision height; And motor is assemblied in an intracutaneous side, and the axle skin directly constitutes the rotor shell, guarantees that motor and wheel combination are easy, combination precision height.Front and rear wheel all adopts electromechanical integrated structure, makes whole wheel form and position tolerance be reduced to minimum level, reaches mechanical assembling level, and then car load debugs and become simple, easily, and the every skill rice of car load performance also is improved thus.Therefore, car load has more traveling comfort and safety.

It is exactly that chain stay is bent downwardly that the utility model also has a constructional feature, and the linear portion after its bending is starkly lower than middle shaft horizontal line; Battery case (battery) just places on the linear portion of the standpipe rear side of vehicle body frame, above-mentioned curved chain stay down, and the center of gravity of battery case (battery) is moved down as far as possible, near middle shaft horizontal line, improves the stable safety of car load; Seat pipe on the standpipe also adopts rotary type bending tubular construction, be convenient to put into easily or propose high capacity cell (as 17AH-22AH) saddle can after move, can realize standpipe reach design, thereby improve the car body overall compactness.

Further specify the utility model below in conjunction with Figure of description.

Fig. 1 is the utility model structural representation

Fig. 2 is the structural profile scheme drawing of wheel of the present utility model

The utility model double-motor flexible driven electrical bicycle is the same with conventional Electrical Bicycle to have vehicle body frame, electric controller, brake system etc., be connected with rotatable bending seat pipe 2 on the standpipe 1 in the vehicle body frame, regulate the high and low and hand of rotation and the angle of the take-up 3 adjustable bending seat pipes 2 on the standpipe 1; Saddle 4 can reach on the curved seat pipe 2 or after move; Chain stay 5 in the vehicle body frame is bent downwardly, and has a linear portion 6 to be starkly lower than the horizon of axis 7 after the bending; Battery case (containing battery) 8 places on the linear portion 6 of standpipe 1 rear side, following curved chain stay; Before of the present utility model,

rear wheel

9,10 structures are identical, be the electric wheel of electromechanical integrated structure, its structure is by inside and outside tire 11, rim 12, width of cloth bar 13, axle skin 14 and wheel hub motor 15 constitute, wherein rim 12, a width of cloth bar 13 and the axle skin parts that are integrated, it is the product of producing through the mold integral moulding by the metallic material that enough machine intensity is arranged, motor 15 is a wheel hub motor, place a skin 14 inboards, axle skin 14 directly constitutes the shell of rotor 16, motor cover 17 is connected on the skin 14, and the motor shaft 19 that passes motor stator 18 constitutes axletree.

The comparative test result of the utility model and existing single motor drive mode Electrical Bicycle is as follows:

The Chengdu electrogenesis moves bicycle (power of motor is 200W), and battery is that CSB-20AH is produced in Taiwan, last 6-7 degree hillside, the speed of a motor vehicle below 15Km/h, after 20 minutes, electric machine controller operating temperature height this more than 90 ℃, electric energy exhausts during stroke 5Km.

The utility model (motor 180W * 2), battery is homemade 17AH, goes up same 6-7 degree hillside, speed of a motor vehicle 18Km/h, after travelling 20 minutes, the operating temperature of electrical equipment and electrical rises to 32 ℃, and behind the top, arrival hillside, its electrical work temperature still is 32 ℃, and stroke is 9.2Km.Along the hillside return the slope down after, the level road of switching on the once more 15Km that ridden, electric energy just exhausts.

As seen, the same gradient, same road conditions, roughly the same capacity of cell, power consumption of the present utility model only is the 1/3-1/4 of correlation technique, the electrical equipment and electrical operating temperature also is 1/3 of a correlation technique.

The flexible type of drive of the double-motor of the utility model may be used on the above disabled person's car of two-wheeled, the bicycle for old people, and three wheeled can installing on front and back wheel also can be installed on the two-wheel of back.Also can adopt any motor that is fit to electric vehicles to make drive motor.

Claims

1, a kind of Electrical Bicycle is made up of forward and backward wheel, vehicle body frame, battery, battery case, electric controller, brake system, motor etc., it is characterized in that forward and backward wheel is the electric wheel of translator.

2, Electrical Bicycle according to claim 1, it is characterized in that forward and backward electric wheel is made of inside and outside tire, rim, width of cloth bar, axle skin and wheel hub motor, rim, width of cloth bar and axle skin parts that are integrated wherein, motor places an intracutaneous side, the axle skin directly constitutes the shell of rotor, and motor shaft constitutes axletree.

3, Electrical Bicycle as claimed in claim 1 or 2 is characterized in that battery case places the top of vehicle body frame standpipe rear side, chain stay; Described chain stay is bent downwardly, and the linear portion after its bending is starkly lower than middle shaft horizontal line, and bonded assembly seat pipe is a bending seat tubular construction on the standpipe.