CN112109840A - Middle motor of power-assisted bicycle - Google Patents

Middle motor of power-assisted bicycle Download PDF

Info

Publication number
CN112109840A
CN112109840A CN202010816984.6A CN202010816984A CN112109840A CN 112109840 A CN112109840 A CN 112109840A CN 202010816984 A CN202010816984 A CN 202010816984A CN 112109840 A CN112109840 A CN 112109840A
Authority
CN
China
Prior art keywords
transmission
motor
bearing
fixing seat
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010816984.6A
Other languages
Chinese (zh)
Inventor
籍兵
方茜
张军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Liju Youxing Intelligent Technology Co ltd
Original Assignee
Suzhou Liju Youxing Intelligent Technology Co ltd
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 Suzhou Liju Youxing Intelligent Technology Co ltd filed Critical Suzhou Liju Youxing Intelligent Technology Co ltd
Priority to CN202010816984.6A priority Critical patent/CN112109840A/en
Publication of CN112109840A publication Critical patent/CN112109840A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40Rider propelled cycles with auxiliary electric motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40Rider propelled cycles with auxiliary electric motor
    • B62M6/45Control or actuating devices therefor
    • B62M6/50Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a middle motor of a power-assisted bicycle. The technical scheme of the invention is as follows: the utility model provides a put motor among moped which characterized in that: the torque detection device comprises a motor assembly, a torque detection device assembly, a transmission assembly, a controller, a gear disc assembly and a five-way pipe; the motor assembly comprises a motor stator, a motor rotor, a rotor shaft connected with the motor rotor and a gear connected with the rotor shaft; the torque detection device assembly comprises a voltage variable sensor, a slip ring, a speed Hall detection module and a middle shaft, wherein the voltage variable sensor, the slip ring, the speed Hall detection module and the middle shaft are connected with the controller; the transmission assembly comprises a secondary transmission speed reducing structure and a transmission large gear, and a one-way bearing is arranged in the transmission large gear so that a motor rotor does not rotate along with the pedaling of manpower; the gear disc assembly is fixed on a transmission large gear of the secondary transmission speed reducing structure and is connected with a rear wheel of the power-assisted bicycle through a chain. The scheme provided by the invention can convert the manual pedaling torque into a voltage signal.

Description

Middle motor of power-assisted bicycle
Technical Field
The invention relates to the technical field of motors, in particular to a middle motor of a power-assisted bicycle.
Background
The moped is also called a power-assisted electric bicycle, provides kinetic energy required by the bicycle in the process of advancing by electric power-assisted manpower, and is energy-saving, environment-friendly, light and safe; at present, the moped is popular in foreign markets, such as Europe, Japan and other countries, in China, the electric bicycle still occupies the main market, and most of the moped adopts hub type drive, the hub type drive is to arrange a motor on a front wheel or a rear wheel of an electric bicycle body, so that the gravity center of the whole bicycle is deviated to the front or the rear, and the moped is not suitable for riding modes of people. And the mounting mode of the hub motor also increases the difficulty of maintenance, and increases the use cost. The power-assisted bicycle with the middle-arranged motor can overcome the defects and can meet the travel requirements of people.
The core component of the motor in the power-assisted bicycle is a torque detection device. The moment detection device for the middle motor of the power-assisted bicycle at present is mostly a Hall revolution speed sensor, the sensor is used for detecting a speed signal of pedaling of a person, and a controller controls the motor to output power according to the proportion according to the speed signal.
Disclosure of Invention
Aiming at the defects in the prior art, the invention mainly aims to provide the middle motor of the power-assisted bicycle, which can convert the manual pedaling torque into a voltage signal.
In order to achieve the purpose, the invention provides the following technical scheme: a middle motor of a power-assisted bicycle comprises a motor assembly, a torque detection device assembly, a transmission assembly, a controller, a gear disc assembly and a five-way pipe; the motor assembly comprises a motor stator, a motor rotor and a rotor shaft connected with the motor rotor; the torque detection device assembly comprises a voltage variable sensor, a slip ring, a speed Hall detection module and a middle shaft, wherein the voltage variable sensor, the slip ring, the speed Hall detection module and the middle shaft are connected with the controller; the transmission assembly comprises a secondary transmission speed reducing structure and a transmission large gear, and a one-way bearing is arranged in the transmission large gear so that a motor rotor does not rotate along with the pedaling of manpower; the gear disc assembly is fixed on a transmission large gear of the secondary transmission speed reducing structure and is connected with a rear wheel of the power-assisted bicycle through a chain.
Preferably, the moment detection device assembly comprises a deformation block arranged on the middle shaft, a speed sensor magnetic disc and a bearing fixing seat are arranged on the deformation block, a one-way bearing is arranged on the bearing fixing seat, the one-way bearing transmits moment in a one-way mode when the bearing fixing seat rotates forwards, the one-way bearing is clutched when the bearing fixing seat rotates backwards, the one-way bearing is connected with a transmission large gear, a fluted disc fixing seat is arranged on the transmission large gear, and a fluted disc sheath are arranged on the fluted; the middle shaft rotates to drive the bearing fixing seat to rotate, the bearing fixing seat drives the transmission big gear, the fluted disc fixing seat, the fluted disc and the fluted disc sheath to rotate, and the fluted disc transmits the treading moment to the rear wheel of the electric moped scooter through the chain; the other side of the middle shaft sequentially penetrates through the bearing and the framework oil seal, sequentially installs the two-hole fixing support, the nut locking ring and the nut locking ring decorating part after penetrating through the five-way pipe of the electric moped and is fixed on the five-way pipe by the motor protecting shell.
Preferably, the rotor shaft passes in being fixed in motor stator through the motor bearing behind the motor rotor, motor rotor drives the rotor shaft rotation behind the controller mainboard entering operating condition, the rotor shaft drives transmission gear wheel rotation as the action wheel, the transmission pinion is installed to the one-way bearing hole, the transmission pinion passes the bearing in proper order, one-way bearing and transmission gear wheel, the outer wall fixed mounting of one-way bearing is on the transmission gear wheel, when the rotor shaft drives transmission pinion and rotates, one-way bearing and the dead integrative rotation of transmission pinion one-way lock, the transmission pinion drives transmission gear wheel rotation as the action wheel this moment, the fluted disc passes through the chain and is connected with electric bicycle rear wheel, motor output transmits on electric bicycle rear wheel hub.
Preferably, when the middle shaft rotates forwards, the one-way bearing is locked, the transmission gear wheel drives the transmission pinion to rotate, the one-way bearing is installed in the middle of the transmission pinion and reversely clutched, the transmission gear wheel does not rotate along with the transmission gear wheel, the rotor, the magnetic steel and the transmission pinion are successfully separated, when the motor assembly works, the rotor shaft drives the transmission gear wheel to rotate, the one-way bearing and the transmission pinion are locked and integrally rotate, the transmission gear wheel drives the transmission gear wheel and the fluted disc fixing seat to rotate, the one-way bearing is also installed between the fluted disc fixing seat and the bearing fixing seat, and the bearing fixing seat does not rotate along with the transmission gear wheel due to the reverse clutching of the.
Compared with the prior art, the invention has the advantages that the torque detection device assembly is based on a pressure-variable sensor, the sensor for detecting the deformation is arranged in the cavity by utilizing the characteristic of the stress deformation of steel to convert the torque value of the manual pedaling into a voltage signal and then transmit the voltage signal to the controller, the torque detection device assembly also comprises a group of slip rings, the slip rings are used for transmitting the voltage signal to the controller in real time, the torque detection device assembly also comprises a speed Hall detection module for detecting the frequency of the manual pedaling, the torque acquisition system is acquired in real time, namely the torque acquisition system feeds back the voltage signal to the control system in real time according to the pedaling output condition of a rider, the control system determines that the motor provides corresponding auxiliary power for the rider through an intelligent operation system, the larger the pedaling stress of the rider is, the larger the boosting force of the motor is, it can always intelligently lead the rider to feel that the rider moves forward under a very stable and soft riding force, the purpose of detecting the pedaling frequency is to compensate for the pause and frustration of riding in a torque signal mode, because when the power-assisted bicycle is ridden, a rider can apply pedaling force in the horizontal direction +/-45 degrees on the ground, while the pedaling force can not be applied in the direction vertical to the ground, if the controller directly controls the output of the motor according to the torque signal, when the rider pedals to the vertical direction of the ground, the motor does not output power, and when the rider pedals for one circle, the motor in the area of 180 degrees does not output power, so that the rider can feel intermittent and continuous in riding, the pause and the pause are obvious, in order to compensate for the 180 DEG neutral region, the controller controls the motor to stably output a power according to the detected pedaling frequency signal, so that the rider does not feel discontinuous in the output power of the motor when pedaling for one turn. The moment detection device assembly also comprises a middle shaft, the middle shaft is used for fixing all parts of the moment assembly on the middle shaft and the rotation direction of the middle shaft, the purpose of detecting the rotation direction of the middle shaft is to increase the riding safety, when the middle shaft is detected to rotate forwards, the motor is normally output, and when the middle shaft is detected to rotate backwards, the control system immediately cuts off the output of the motor; the motor combines the controllers together, so that the integrated design of control and the motor is realized, the functions of the motor are perfected, and the integration level is higher; the gear disc component is an output component of a middle motor and is connected with a rear wheel of the power-assisted bicycle through a chain.
Drawings
Fig. 1 is an exploded view of a mid-motor of a power-assisted bicycle according to the present invention.
In the figure: 1. a crank; 3. a motor stator; 4. a bearing; 5. a motor rotor; 6. a rotor shaft; 9. a transmission gearwheel; 10. a one-way bearing; 13. a transfer pinion; 15. framework oil seal; 20. a middle shaft; 21. a slip ring; 22. a speed sensor disk; 23. a deformation block; 24. a bearing fixing seat; 25. a transmission gearwheel; 28. a fluted disc; 29. a fluted disc sheath; 30. a fluted disc fixing seat; 32. a controller housing; 33. a five-way pipe; 34. a motor protective shell; 35. two hole fixing brackets; 36. a nut lock ring; 37. a decorative member; 38. speed hall detection module.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, a middle motor of a power-assisted bicycle comprises a motor assembly, a torque detection device assembly, a transmission assembly, a controller, a gear disc assembly and a five-way pipe; the motor assembly comprises a motor stator 3, a motor rotor 5 and a rotor shaft 6 connected with the motor rotor 5; the torque detection device assembly comprises a voltage variable sensor, a slip ring 21, a speed Hall detection module 38 and a middle shaft 20 which are connected with a controller; the transmission assembly comprises a secondary transmission speed reducing structure and a transmission large gear 9, and a one-way bearing 10 is arranged in the transmission large gear 9, so that the motor rotor 5 does not rotate along with the manual treading; the gear disc assembly is fixed on a transmission large gear 9 of the secondary transmission speed reducing structure and is connected with a rear wheel of the power-assisted bicycle through a chain.
Preferably, the moment detection device assembly comprises a deformation block 23 arranged on the middle shaft 20, a speed sensor disk 22 and a bearing fixing seat 24 are arranged on the deformation block 23, a one-way bearing is arranged on the bearing fixing seat 24, the one-way bearing unidirectionally transmits moment when the bearing fixing seat 24 rotates forwards, the one-way bearing is clutched when the bearing rotates backwards, the one-way bearing is connected with the transmission large gear 9, a fluted disc fixing seat 30 is arranged on the transmission large gear 9, and a fluted disc 28 and a fluted disc sheath 29 are arranged on the fluted disc fixing seat 30; the middle shaft 20 rotates to drive the bearing fixing seat 24 to rotate, the bearing fixing seat 24 drives the transmission large gear 9, the fluted disc fixing seat 30, the fluted disc 28 and the fluted disc sheath 29 to rotate, and the fluted disc 28 transmits the treading moment to the rear wheel of the electric moped through the chain; the other side of the middle shaft 20 sequentially penetrates through the bearing and the framework oil seal 15, sequentially penetrates through the five-way pipe 33 of the electric moped, is sequentially provided with the two-hole fixing bracket 35, the nut locking ring 36 and the decorating part 37 of the nut locking ring, and is fixed on the five-way pipe 33 through the motor protecting shell.
After the motor is integrally fixed, a crank 1 is arranged on the middle shaft 20 at one side of the fluted disc. The deformation block 23 is correspondingly deformed along with the magnitude of the transmitted torque while transmitting the torque, the deformation can be linearly changed according to the magnitude of the applied torque, the speed Hall detection module 38 outputs a voltage signal in real time according to the deformation quantity, the signal value is linearly changed along with the magnitude of the deformation quantity of the deformation block 23, the magnitude of the manual pedaling torque can be accurately converted according to the relation of the linear change quantities of the deformation block and the deformation quantity, then a mathematical model is established and stored in a controller mainboard, and the controller is installed in a controller shell; voltage signals are transmitted to the slip ring 21 through the speed sensor magnetic disc 22, and a signal outgoing line on the slip ring 21 is connected with a controller main board; speed hall detection module 38 is fixed mounting on the casing, and the signal of gathering is direct through the lead wire transmission to the controller mainboard in, the controller mainboard gathers the signal value of conducting slip ring 21 and speed hall detection module 38, can judge the moment that the manpower was pedaled, then the control motor is according to the moment that the manpower was pedaled: the output power of the motor =1:1 or 1:1.5 or 1:2, so that the power assisting effect is realized.
Preferably, rotor shaft 6 passes behind the electric motor rotor 5 in being fixed in motor stator 3 through the motor bearing, motor rotor 5 drives rotor shaft 6 and rotates after the controller mainboard gets into operating condition, rotor shaft 6 drives transmission gear wheel 9 as the action wheel and rotates, the transmission pinion is installed to the one-way bearing hole, the transmission pinion passes the bearing in proper order, one-way bearing and transmission gear wheel 9, the outer wall fixed mounting of one-way bearing is on transmission gear wheel 9, when rotor shaft 6 drives transmission pinion and rotates, one-way bearing and the one-way dead integrative rotation of transmission pinion, transmission pinion drives transmission gear wheel 9 as the action wheel and rotates this moment, the fluted disc passes through the chain and is connected with electric bicycle rear wheel, motor output transmits to electric bicycle rear wheel hub on.
Preferably, when the middle shaft 20 rotates forwards, the one-way bearing is locked, the transmission gear wheel 9 drives the transmission pinion to rotate, the one-way bearing is installed in the middle of the transmission pinion and is in reverse clutch, the transmission gear wheel 9 does not rotate with the transmission gear wheel, the rotor, the magnetic steel and the transmission pinion are successfully separated, when the motor assembly works, the rotor shaft 6 drives the transmission gear wheel 9 to rotate, the one-way bearing and the transmission pinion are locked to rotate integrally, the transmission gear wheel drives the transmission gear wheel 9 and the fluted disc fixing seat 30 to rotate, the one-way bearing is also installed between the fluted disc fixing seat 30 and the bearing fixing seat 24, and due to the reverse clutch of the one-way bearing, the bearing fixing seat 24 does not rotate with.
Two one-way bearing's operating condition is as follows, and when 20 corotation of axis were stepped on in the manpower, one-way bearing lock died, and transmission gear wheel 9, fluted disc, bearing fixing base 24 drive the transmission pinion rotation after integrative rotating, installs one-way bearing in the middle of transmission pinion and the transmission gear wheel 9, one-way bearing reverse separation and reunion, and transmission gear wheel 9 does not follow the rotation, successfully with electric motor rotor 5, magnet steel and the separation of transmission pinion, the benefit of separation is: the hysteresis effect between the motor rotor 5 and the magnetic steel is blocked, and the manpower pedaling efficiency is improved. Motor assembly at the during operation, rotor shaft 6 drives transmission gear wheel 9 and rotates, and one-way bearing and the one-way dead integrative rotation of transmission pinion, transmission pinion drive transmission gear wheel 9, fluted disc fixing base 30 rotate, install one-way bearing between fluted disc fixing base 30 and the bearing fixing base 24, because one-way bearing reverse separation and reunion, rotation is not followed to bearing fixing base 24, successfully with motor assembly and the separation of moment detection device assembly, the benefit of separation is: prevent that motor assembly during operation moment detection device assembly from following the commentaries on classics, if moment detection device assembly follows the commentaries on classics and rides passerby's both feet and will move together, be very dangerous when riding.
The scheme is that a torque detection device assembly is based on a pressure-variable sensor, a sensor for detecting the deformation of steel materials is arranged in a cavity of the torque detection device assembly by utilizing the characteristic of stress deformation of the steel materials, so that a torque value of manual pedaling is converted into a voltage signal and then transmitted to a controller, the torque detection device assembly also comprises a group of slip rings 21, the slip rings 21 are used for transmitting the voltage signal to the controller in real time, the torque detection device assembly also comprises a speed Hall detection module 38 for detecting the frequency of the manual pedaling, the torque acquisition system is acquired in real time, namely the torque acquisition system feeds back the voltage signal to a control system in real time according to the pedaling output condition of a rider, the control system determines that the motor provides corresponding auxiliary power for the rider through an intelligent operation system, the larger the pedaling stress of the rider is, the larger the power assistance of the motor is, it can always intelligently lead the rider to feel that the rider moves forward under a very stable and soft riding force, the purpose of detecting the pedaling frequency is to compensate for the pause and frustration of riding in a torque signal mode, because when the power-assisted bicycle is ridden, a rider can apply pedaling force in the horizontal direction +/-45 degrees on the ground, while the pedaling force can not be applied in the direction vertical to the ground, if the controller directly controls the output of the motor according to the torque signal, when the rider pedals to the vertical direction of the ground, the motor does not output power, and when the rider pedals for one circle, the motor in the area of 180 degrees does not output power, so that the rider can feel intermittent and continuous in riding, the pause and the pause are obvious, in order to compensate for the 180 DEG neutral region, the controller controls the motor to stably output a power according to the detected pedaling frequency signal, so that the rider does not feel discontinuous in the output power of the motor when pedaling for one turn. The moment detection device assembly further comprises a middle shaft 20, the middle shaft 20 is used for fixing all parts of the moment assembly on the middle shaft 20 and the rotation direction of the middle shaft 20, the rotation direction of the middle shaft 20 is detected to increase riding safety, when the middle shaft 20 is detected to rotate forwards, the motor outputs normally, and when the middle shaft 20 is detected to rotate backwards, the control system immediately switches off the motor output; the motor combines the controllers together, so that the integrated design of control and the motor is realized, the functions of the motor are perfected, and the integration level is higher; the fluted disc subassembly is the output part who puts the motor in, is connected with moped's rear wheel through the chain, and the fluted disc is fixed on gear reduction part's second level reduction gear's transmission gear wheel 9, and the decoration is fixed in axis 20 both sides, crosses the puddle and drenches when mud road conditions, can play the aspect of the protection more favourable to can reduce the damage danger of motor.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (4)

1. The utility model provides a put motor among moped which characterized in that: the torque detection device comprises a motor assembly, a torque detection device assembly, a transmission assembly, a controller, a gear disc assembly and a five-way pipe; the motor assembly comprises a motor stator, a motor rotor and a rotor shaft connected with the motor rotor; the torque detection device assembly comprises a voltage variable sensor, a slip ring, a speed Hall detection module and a middle shaft, wherein the voltage variable sensor, the slip ring, the speed Hall detection module and the middle shaft are connected with the controller; the transmission assembly comprises a secondary transmission speed reducing structure and a transmission large gear, and a one-way bearing is arranged in the transmission large gear so that a motor rotor does not rotate along with the pedaling of manpower; the gear disc assembly is fixed on a transmission large gear of the secondary transmission speed reducing structure and is connected with a rear wheel of the power-assisted bicycle through a chain.
2. The center motor for a power-assisted bicycle according to claim 1, wherein: the moment detection device assembly comprises a deformation block arranged on the middle shaft, a speed sensor magnetic disc and a bearing fixing seat are arranged on the deformation block, a one-way bearing is arranged on the bearing fixing seat, the one-way bearing transmits moment in a one-way mode when the bearing fixing seat rotates forwards, the one-way bearing is engaged and disengaged when the bearing rotates backwards, the one-way bearing is connected with a transmission large gear, a fluted disc fixing seat is arranged on the transmission large gear, and a fluted disc sheath are arranged on the fluted; the middle shaft rotates to drive the bearing fixing seat to rotate, the bearing fixing seat drives the transmission big gear, the fluted disc fixing seat, the fluted disc and the fluted disc sheath to rotate, and the fluted disc transmits the treading moment to the rear wheel of the electric moped scooter through the chain; the other side of the middle shaft sequentially penetrates through the bearing and the framework oil seal, sequentially installs the two-hole fixing support, the nut locking ring and the nut locking ring decorating part after penetrating through the five-way pipe of the electric moped and is fixed on the five-way pipe by the motor protecting shell.
3. The center motor for a power-assisted bicycle according to claim 1, wherein: the utility model discloses a motor rotor, including motor rotor, motor stator, controller mainboard, transmission pinion, gear plate, fluted disc, chain wheel, motor stator, motor output, motor rotor, motor stator, motor rotor, transmission pinion, one-way bearing and transmission gear wheel, motor rotor drives the rotor shaft rotation after the controller mainboard gets into operating condition, the rotor shaft drives transmission gear wheel rotation as the action wheel, the transmission pinion is installed to the one-way bearing hole, the transmission pinion passes the bearing in proper order, one-way bearing and transmission gear wheel, the outer wall fixed mounting of one-way bearing is on the transmission gear wheel, when the rotor shaft drives transmission pinion and rotates, one-way bearing dies integrative the rotation with.
4. The center motor for a power-assisted bicycle according to claim 1, wherein: when the middle shaft rotates forwards, the one-way bearing is locked, the transmission gear wheel drives the transmission pinion to rotate, the one-way bearing is installed in the middle of the transmission pinion and is in reverse clutch, the transmission gear wheel does not rotate along with the transmission gear wheel, the rotor, the magnetic steel and the transmission pinion are successfully separated, when the motor assembly works, the rotor shaft drives the transmission gear wheel to rotate, the one-way bearing and the transmission pinion are in one-way locking and rotating integrally, the transmission pinion drives the transmission gear wheel and the fluted disc fixing seat to rotate, the one-way bearing is also installed between the fluted disc fixing seat and the bearing fixing seat, and the bearing fixing seat does not rotate along with the transmission gear wheel and is separated.
CN202010816984.6A 2020-08-14 2020-08-14 Middle motor of power-assisted bicycle Pending CN112109840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010816984.6A CN112109840A (en) 2020-08-14 2020-08-14 Middle motor of power-assisted bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010816984.6A CN112109840A (en) 2020-08-14 2020-08-14 Middle motor of power-assisted bicycle

Publications (1)

Publication Number Publication Date
CN112109840A true CN112109840A (en) 2020-12-22

Family

ID=73804058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010816984.6A Pending CN112109840A (en) 2020-08-14 2020-08-14 Middle motor of power-assisted bicycle

Country Status (1)

Country Link
CN (1) CN112109840A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113541403A (en) * 2021-07-15 2021-10-22 江苏晨朗电子集团有限公司 Hub motor with built-in torque sensor
CN114684312A (en) * 2021-07-20 2022-07-01 建德市五星车业有限公司 Power-assisted output mechanism, mounting method thereof and electric power-assisted bicycle
US11511828B1 (en) 2022-06-07 2022-11-29 Jiangsu Channelon Electronics Group Co., Ltd. Hub motor with internally provided torque transducer
WO2024092893A1 (en) * 2022-10-31 2024-05-10 巴弗洛智能科技(苏州)有限公司 Mid-drive motor for electric bicycle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103879505A (en) * 2014-02-11 2014-06-25 苏州工业园区同盛车业有限公司 Middle motor of electric bicycle
CN106143777A (en) * 2015-04-22 2016-11-23 苏州赛诺伊电动科技有限公司 A kind of Moped Scooter built-in motor and moment measuring device thereof
CN206049955U (en) * 2016-09-07 2017-03-29 新安乃达驱动技术(上海)股份有限公司 Electric assisted bicycle and its built-in motor drive system
CN110525572A (en) * 2019-06-21 2019-12-03 卧龙电气驱动集团股份有限公司 A kind of secondary transmission vehicle using motor built-in motor
CN210063280U (en) * 2019-06-24 2020-02-14 深圳市奥酷曼智能技术有限公司 Coaxial middle motor of moped and moped

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103879505A (en) * 2014-02-11 2014-06-25 苏州工业园区同盛车业有限公司 Middle motor of electric bicycle
CN106143777A (en) * 2015-04-22 2016-11-23 苏州赛诺伊电动科技有限公司 A kind of Moped Scooter built-in motor and moment measuring device thereof
CN206049955U (en) * 2016-09-07 2017-03-29 新安乃达驱动技术(上海)股份有限公司 Electric assisted bicycle and its built-in motor drive system
CN110525572A (en) * 2019-06-21 2019-12-03 卧龙电气驱动集团股份有限公司 A kind of secondary transmission vehicle using motor built-in motor
CN210063280U (en) * 2019-06-24 2020-02-14 深圳市奥酷曼智能技术有限公司 Coaxial middle motor of moped and moped

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113541403A (en) * 2021-07-15 2021-10-22 江苏晨朗电子集团有限公司 Hub motor with built-in torque sensor
CN114684312A (en) * 2021-07-20 2022-07-01 建德市五星车业有限公司 Power-assisted output mechanism, mounting method thereof and electric power-assisted bicycle
CN114684312B (en) * 2021-07-20 2024-06-14 建德市五星车业有限公司 Power-assisted output mechanism, mounting method thereof and electric power-assisted bicycle
US11511828B1 (en) 2022-06-07 2022-11-29 Jiangsu Channelon Electronics Group Co., Ltd. Hub motor with internally provided torque transducer
WO2024092893A1 (en) * 2022-10-31 2024-05-10 巴弗洛智能科技(苏州)有限公司 Mid-drive motor for electric bicycle

Similar Documents

Publication Publication Date Title
CN112109840A (en) Middle motor of power-assisted bicycle
CN103661762B (en) Electric assisted bicycle and its built-in motor drive system
CN102983671B (en) Integrated intelligent rear-guard wheel hub motor
TWI545055B (en) A central control system for bicycles
US20100181130A1 (en) Dual-Drivetrain of Power-Assist Vehicle
EP2417011B1 (en) Power assisting pedal for a cycle and pedal charging means
WO2016177084A1 (en) Power assistance control device and power assistance control method for power-assisted bicycle, and automatic speed change method therefor
CN203698569U (en) Electric power-assisting bicycle and built-in motor drive system thereof
CN105172993A (en) Automatic speed changing method and device for hybrid power bicycle
WO2018039873A1 (en) Wheel hub for electric bicycle
CN110203317B (en) Coaxial centrally-mounted motor of moped and moped
CN202175158U (en) Electric boosted bicycle with high range ability
CN108423115B (en) Auxiliary driving mechanism of power-assisted bicycle
CN217496448U (en) Power-assisted bicycle middle motor based on double planetary gear system transmission
CN202765214U (en) Center shaft torque sensing motor drive system for electric bicycle
CN106143777A (en) A kind of Moped Scooter built-in motor and moment measuring device thereof
CN202906660U (en) Integrated intelligent rear-drive wheel hub motor
CN106364622A (en) Integrated electric power assisting device for bicycle
CN108454773B (en) Booster bicycle with middle-drive hydraulic coupling torque converter
CN201189940Y (en) Pedal capable of sensing pedaling force
CN210101921U (en) Electric auxiliary drive unit for bicycle
CN217730690U (en) Speed-increasing type power-assisted bicycle transmission system
CN104276249B (en) The even power assisted pedal stroke car of intelligence
CN204279853U (en) A kind of motor-driven control device of bicycle
CN210338196U (en) Pedal torque control device of electric bicycle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20201222