WO2018072277A1 - Dispositif d'assistance électrique intégré pour bicyclette - Google Patents

Dispositif d'assistance électrique intégré pour bicyclette Download PDF

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Publication number
WO2018072277A1
WO2018072277A1 PCT/CN2016/109217 CN2016109217W WO2018072277A1 WO 2018072277 A1 WO2018072277 A1 WO 2018072277A1 CN 2016109217 W CN2016109217 W CN 2016109217W WO 2018072277 A1 WO2018072277 A1 WO 2018072277A1
Authority
WO
WIPO (PCT)
Prior art keywords
bicycle
support shaft
main control
circuit board
control circuit
Prior art date
Application number
PCT/CN2016/109217
Other languages
English (en)
Chinese (zh)
Inventor
廖启新
徐东升
Original Assignee
无锡富乐力科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 无锡富乐力科技有限公司 filed Critical 无锡富乐力科技有限公司
Publication of WO2018072277A1 publication Critical patent/WO2018072277A1/fr

Links

Classifications

    • 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

Definitions

  • the present invention relates to the field of electric assist bicycles, and more particularly to an integrated electric power assisting device for bicycles.
  • the current electric assist bicycle motor assembly, the battery assembly, the controller and the cadence sensor are of a separate design, and in particular, the larger battery components are mostly assembled in the battery compartment of the bicycle pedal or assembled on the frame.
  • the overall structure of the electric assist bicycle is heavy and the transportation logistics cost is high.
  • the installation of the battery assembly requires the corresponding frame structure to be adapted, it cannot adapt to the installation of the electric assist system of the existing ordinary bicycle or Modification requirements.
  • the present invention provides an integrated electric power assisting device for a bicycle, which can solve the cumbersome structure of the existing electric power assisting device, and is not suitable for the existing ordinary bicycle electric power.
  • the requirements for system installation or modification are compact and occupy small space, which facilitates overall logistics transportation.
  • An integrated electric power assisting device for a bicycle comprising a hub motor assembly, a battery assembly, a main control circuit board, the hub motor assembly, the main control circuit board and the battery assembly are electrically connected, and further comprising a housing
  • the outer casing is provided with a central receiving cavity, and the battery assembly and the main control circuit board are accommodated in the central receiving cavity, and the left and right sides of the central receiving cavity respectively pass through the left end plate and the right side.
  • the outer peripheral surface of the outer casing is connected to the rear wheel of the bicycle through a spoke.
  • the hub motor assembly is integrally mounted inside the battery assembly, and the left and right ends of the hub motor assembly are respectively equipped with a left end.
  • a flywheel is mounted on the outlet.
  • the battery assembly has a circular ring structure, and an inner ring cavity is disposed in the battery assembly, the hub motor assembly is integrally mounted in the inner ring cavity, and the inner ring surface of the inner ring cavity is spaced apart There are multiple axial card slots;
  • the flywheel is equipped with two Hall sensors, and the two Hall sensors are electrically connected to the main control circuit board, and the flywheel is coupled with the bicycle chain;
  • the left end plate is disposed integrally with the outer casing
  • the hub motor assembly includes a driving motor and a motor housing, the driving motor is assembled in the motor housing, and a plurality of axial parallel strips are disposed on an outer circumferential surface of the motor housing.
  • An axial slot corresponding to the card strip is disposed on a circumferential surface of the inner ring of the battery assembly, and the card strip is engaged in the axial card slot
  • the driving motor further includes a planetary speed reducing mechanism and an overrunning clutch
  • the planetary speed reducing mechanism includes three planetary gears
  • the three planetary gears are double gears
  • the output shaft of the driving motor is provided with teeth a three planetary gear shafts are disposed on the left end surface of the driving motor around the outer circumference of the output shaft, and the three planetary gears are respectively mounted on the three planetary gear shafts and the three planetary gears
  • the outer large tooth surface is meshed with the tooth
  • the overrunning clutch is provided with an inner ring gear
  • the inner ring gear is meshed with the inner small tooth surface of the three planetary gears
  • the overrunning clutch and the outer clutch The left end plate is fixed;
  • the right end of the left support shaft is fixed with a flange, and the left end surface of the drive motor is uniformly provided with three bosses around the outer circumference of the output shaft, and three of the bosses are The three planetary gear shafts are evenly spaced, and the flange is fixed to the three bosses;
  • a left side end of the right support shaft is provided with a connection flange, and the main control circuit board is set on the right support shaft And being fixed to the connecting flange, the right end surface of the driving motor is provided with a cavity, and the connecting flange is embedded in the cavity and fixed to the driving motor.
  • the beneficial effects of the present invention are: It adopts a circular battery assembly so that the battery assembly, the hub motor assembly and the main control circuit board can be integrated into the outer casing, thereby effectively simplifying the structure of the entire electric power assisting device.
  • the utility model has the advantages of narrowing the occupied space and facilitating the logistics transportation of the whole vehicle; in addition, since it is an integrated structure, when the device of the present invention is applied to the existing ordinary bicycle, it is not necessary to carry out large-scale transformation of the overall frame structure of the original bicycle, so It can meet the user's requirements for the installation of electric assist system for existing ordinary bicycles.
  • FIG. 1 is a schematic structural view of the present invention (full cross-sectional view);
  • Figure 3 is a left side view of the outer casing of the present invention.
  • FIG. 4 is a schematic structural view of a drive motor of the present invention.
  • FIG. 5 is a schematic structural view of a battery assembly of the present invention.
  • the integrated electric power assisting device for bicycles of this embodiment The housing motor assembly, the battery assembly 30, the main control circuit board 40, the hub motor assembly, the main control circuit board 40 and the battery assembly 30 are electrically connected, and further includes a housing 10 having a central receiving cavity 11
  • the battery assembly 30 and the main control circuit board 40 are housed in the central accommodating cavity 11, and the left and right sides of the central accommodating cavity 11 are respectively sealed by the left end plate 12 and the right side cover 13, and the outer circumference of the outer casing 10 is closed.
  • the surface is connected to the rear wheel of the bicycle through a spoke.
  • the hub motor assembly is integrally assembled inside the battery assembly 30.
  • the left and right ends of the hub motor assembly are respectively equipped with a left support shaft 50, a right support shaft 60, a left support shaft 50, and a right support.
  • the shaft 60 is axially penetrated through the left end plate 12 and the right side cover 13 and then connected to the bicycle rear wheel bracket through a bearing, and the flywheel 70 is mounted on the axially extended end of the right support shaft 60.
  • the battery assembly 30 has a circular ring structure.
  • the battery assembly 30 is provided with an inner ring cavity 31.
  • the hub motor assembly is integrally mounted in the inner ring cavity 31, and the inner ring surface of the inner ring cavity 31 is spaced apart.
  • the flywheel 70 is equipped with two Hall sensors, and the two Hall sensors are electrically connected to the main control circuit board 40, and the flywheel 70 is coupled with the bicycle chain.
  • the left end plate 12 is disposed to be integral with the outer casing 10.
  • the hub motor assembly includes a drive motor 21 and a motor housing 22, the drive motor 21 is mounted in the motor housing 22, and the outer peripheral surface of the motor housing 22 is provided with a plurality of axial parallel strips 221, the battery assembly
  • the inner circumferential surface of the inner ring 30 is provided with an axial locking groove 32 corresponding to the clamping strip 221, and the clamping strip 221 is engaged in the axial clamping groove 32.
  • the drive motor 21 further includes a planetary reduction mechanism 23 and three clutch gears.
  • the planetary reduction mechanism 23 includes three planetary gears, each of which is a double gear.
  • the output shaft 211 of the drive motor 21 is provided with teeth.
  • On the left end surface of the driving motor 21, three planetary gear shafts are evenly distributed around the outer circumference of the output shaft 211.
  • the three planetary gears are respectively mounted on the three planetary gear shafts, and the outer large tooth surfaces of the three planetary gears mesh with the teeth.
  • the overrunning clutch 24 is provided with an inner ring gear 241, and the inner ring gear 241 and the inner small tooth surface of the three planetary gears mesh with the transmission, and the overrunning clutch 24 is fixed to the left end plate 12.
  • the right end of the left support shaft 50 is fixed with a flange 51, and the left end surface of the drive motor 21 is provided with three bosses 212 on the outer circumference of the output shaft 211, and three bosses 212 and three The planet gear shafts are evenly spaced, and the flange 51 is fixed to the three bosses 212.
  • the left end of the right support shaft 60 is provided with a connecting flange 61.
  • the main control circuit board 40 is fitted on the right support shaft 60 and fixed to the connecting flange 61.
  • the right end surface of the driving motor 21 is concave.
  • the cavity 213, the connecting flange 61 is embedded in the cavity 213 and fixed to the drive motor 21.
  • an integrated electric power assisting device for a bicycle includes a housing 10, a hub motor assembly motor housing 22, a battery assembly 30, and a main control circuit board 40.
  • the motor assembly 22 of the hub motor assembly and the main control circuit board 40 are electrically connected to the battery assembly 30.
  • the housing 10 is provided with a central receiving cavity 11 in which the battery assembly 30 is annular, and the battery assembly 30 and the main control circuit board 40 are uniformly accommodated.
  • the left and right sides of the central accommodating cavity 11 are respectively sealed by the left end plate 12 and the right side cover 13 , wherein the left end plate 12 can be disposed integrally with the outer casing 10;
  • the peripheral surface of the outer ring is connected to the rear wheel of the bicycle through a spoke.
  • the motor assembly 22 of the hub motor assembly is integrally assembled into the inner ring cavity 31 of the battery assembly 30, wherein the motor module 22 of the hub motor assembly includes a drive motor 21, The motor housing 22, the planetary reduction mechanism 23 and the overrunning clutch 24, the driving motor 21 is mounted in the motor housing 22, and the outer peripheral surface of the motor housing 22 is provided with a plurality of axially parallel strips 221, the battery assembly 30 on the inner circumference of the inner ring with the card 221 - a corresponding axial slot 32, the strap 221 is engaged in the axial slot 32; the planetary reduction mechanism 23 includes three planetary gears (the first planetary gear 231a, the second planetary gear 231b, the third planetary gear 231c), the three planetary gears (the first planetary gear 231a, the second planetary gear 231b, and the third planetary gear 231c) are all double gears, and the output shaft 211 of the drive motor 21 is provided with teeth (tooth in the drawing) In the left end surface of the drive motor 21, three planetary gear
  • Planetary gears (the first planetary gears 231a.
  • the second planetary gears 231b and the third planetary gears 231c are respectively mounted on the three planetary gear shafts 23 la, 231b. 231c and the outer large tooth faces of the three planetary gears mesh with the teeth
  • the transmission, the overrunning clutch 24 is provided with an inner ring gear 241, and the inner ring gear 241 is meshed with the inner small tooth surface of the three planetary gears.
  • the overrunning clutch 24 is fixed to the left end plate 12 by screws; the motor module of the hub motor assembly
  • the left and right ends of the body 22 are respectively equipped with a left support shaft 50 and a right support shaft 60.
  • the right end of the left support shaft 50 is fixed with a flange 51, and the left end surface of the drive motor 21 surrounds the output shaft.
  • the outer circumference of the 211 is uniformly provided with three bosses 212, and the three bosses 212 are evenly spaced from the three planetary gear shafts 232a, 232b. 232c, and the flange 51 is fixed to the three bosses 212; the right support shaft 60
  • the left end portion is provided with a connecting flange 61.
  • the main control circuit board 40 is set on the right supporting shaft 60 and fixed to the connecting flange 61.
  • the right end surface of the driving motor 21 is provided with a cavity 213, and the connecting flange 61 is embedded.
  • the inside of the cavity 213 is fixed to the driving motor 21; the left supporting shaft 50 and the right supporting shaft 60 are axially penetrated through the left end plate 12 and the right side cover 13 respectively, and then connected to the bicycle rear wheel bracket through bearings, respectively.
  • a flywheel 70 is mounted on the axially extending end of the right support shaft 60.
  • the flywheel 70 is equipped with two Hall sensors for collecting the speed signal, and the two Hall sensors are respectively electrically connected to the main control circuit board 40, the flywheel 70 is coupled with the bicycle chain for transmission.
  • the device of the present invention is assembled to the bicycle.
  • the flywheel 70 of the bicycle chain is rotated by the bicycle chain, and the two Hall sensors installed in the flywheel 70 respectively sample the two sets of rotational speed signals.
  • the main control unit on the main control circuit board 40 calculates the current pedaling frequency of the bicycle pedal according to the two sets of rotational speed signals, and is composed of two sets of signals. The order determines whether the bicycle pedal is in the state of being stepped on or stepping on.
  • the output power of the control motor is negative, that is, the bicycle speed reduction function is realized, and if it is in the state of being stepped on, according to the speed of the vehicle and
  • the relevant input signal such as the vehicle acceleration value drives the motor 21 to output the corresponding power, thereby achieving the electric assist effect.
  • the driving motor 21 rotates, and the output shaft 211 of the driving motor 21 is provided with teeth on the outer large tooth surface of the three planetary gears, and the inner small tooth surface of the three planetary gears is The inner ring gear 241 of the overrunning clutch 24 is threadedly engaged. Since the overrunning clutch 24 is fixed to the left end plate 12 of the outer casing 10 by screws, the left end plate 12 and the outer casing 10 are integrally formed, that is, the overrunning clutch 24 and the outer casing 10 are relatively fixed. The outer casing 10 is driven by the transmission overrunning clutch 24 to perform corresponding rotation, and the outer casing 10 transmits electric power to the bicycle through the bicycle spokes, thereby realizing an electric power boosting effect.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne un dispositif d'assistance électrique intégré pour une bicyclette comprenant un ensemble moteur de moyeu, un ensemble batterie (30) et une carte de circuit imprimé de commande principale (40) ; l'ensemble moteur de moyeu et la carte de circuit imprimé de commande principale (40) sont électriquement raccordés à l'ensemble batterie (30). Il comprend également un logement (10), le logement (10) étant pourvu d'une cavité de réception centrale (11) ; l'ensemble batterie (30) et la carte de circuit imprimé de commande principale (40) sont tous deux logés dans la cavité de réception centrale (11) ; des côtés axiaux gauche et droit de la cavité de réception centrale (11) sont scellés au moyen d'une plaque d'extrémité côté gauche (12) et d'une plaque de couvercle côté droit (13) respectivement ; une surface circonférentielle externe du logement (10) est raccordée à la roue arrière d'une bicyclette au moyen d'un rayon, et l'ensemble moteur de moyeu est assemblé d'un seul tenant à l'intérieur de l'ensemble batterie (30) ; les extrémités axiales gauche et droite de l'ensemble moteur de moyeu sont pourvues d'un arbre de support gauche (50) et d'un arbre de support droit (60) respectivement ; l'arbre de support gauche (50) et l'arbre de support droit (60) pénètrent axialement à travers la plaque d'extrémité côté gauche (12) et la plaque de recouvrement côté droit (13) respectivement, puis sont raccordés à un support de roue arrière de la bicyclette au moyen de paliers ; et un volant d'inertie (70) est monté sur une extrémité s'étendant axialement de l'arbre de support droit (60). La présente invention peut résoudre le problème selon lequel la structure d'un dispositif d'assistance électrique séparé d'une bicyclette à assistance électrique existante est encombrante et ne satisfait pas aux exigences d'installation ou de modification d'un système d'assistance électrique d'une bicyclette ordinaire.
PCT/CN2016/109217 2016-10-18 2016-12-09 Dispositif d'assistance électrique intégré pour bicyclette WO2018072277A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610904499.8A CN106364622B (zh) 2016-10-18 2016-10-18 一种用于自行车的一体化电助力装置
CN201610904499.8 2016-10-18

Publications (1)

Publication Number Publication Date
WO2018072277A1 true WO2018072277A1 (fr) 2018-04-26

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Application Number Title Priority Date Filing Date
PCT/CN2016/109217 WO2018072277A1 (fr) 2016-10-18 2016-12-09 Dispositif d'assistance électrique intégré pour bicyclette

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WO (1) WO2018072277A1 (fr)

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US11300184B1 (en) * 2020-11-16 2022-04-12 Trinity Innovative Solutions, Llc Variable output transmission

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CN107104554A (zh) * 2017-04-27 2017-08-29 荣成市鸣川新能源科技有限公司 一种电机控制器电池一体式轮毂电机
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CN115703528A (zh) * 2021-08-16 2023-02-17 永康市酷格科技有限公司 一种助力一体轮及其驱动方法

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Publication number Publication date
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