CN217918280U - Integrated intelligent power-assisted electric bicycle system and intelligent electric bicycle - Google Patents
Integrated intelligent power-assisted electric bicycle system and intelligent electric bicycle Download PDFInfo
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- CN217918280U CN217918280U CN202221114896.2U CN202221114896U CN217918280U CN 217918280 U CN217918280 U CN 217918280U CN 202221114896 U CN202221114896 U CN 202221114896U CN 217918280 U CN217918280 U CN 217918280U
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Abstract
The utility model relates to an integrated form intelligence helping hand electric bicycle system and intelligence electric bicycle, the system includes signal acquisition device, drive controller and battery management module, signal acquisition device be used for gathering the rotational speed and the acceleration information and the automobile body angle of pitch information send of riding passerby's pedal moment information, motor to drive controller, drive controller is used for receiving pedal moment information the rotational speed and the acceleration information of motor and the output of the turning moment of automobile body angle of pitch information accommodate motor is with the wheel that rides passerby's pedal moment stack for electric bicycle and advance and provide power, battery management module be used for with the group battery electricity of electric bicycle be connected with right drive controller provides the electric energy. The driving controller receives the pedaling torque information of the rider, the rotating speed and acceleration information of the motor and the pitching angle information of the vehicle body, which are acquired by the signal acquisition device, and determines a proper boosting ratio to realize intelligent adjustment of different boosting levels.
Description
Technical Field
The utility model relates to a helping hand electric bicycle field especially relates to an integrated form intelligence helping hand electric bicycle system and intelligent electric bicycle.
Background
Power-assisted electric bicycle to the battery is as original power source, via BMS battery management module, with the help of the acquisition signal of helping hand sensor unit, utilizes drive controller unit drive control motor and reduction gear power pack, finally realizes the manpower and rides the novel vehicle of motor helping hand integration function. When the manpower is ridden to the helping hand electric bicycle, detect the size of pedal strength and the speed of riding through the sensor unit to detect signal transmission for drive controller, by the moment of torsion power of drive controller control motor output certain proportion, thereby realize manpower and the common drive of electric drive power, reach the effect of the helping hand of riding.
Various types of power-assisted electric treadmills are available on the market at present, and the design scheme is mainly that a battery, a motor, a reducer power unit, a torque sensor and a driving controller are designed in a separated mode. The torque sensor mainly comprises a middle shaft torque sensor, a chain wheel type torque sensor and a torque sensor arranged in the motor. The corresponding mounting mode and detection principle of the three torque sensors are as follows: 1) A middle shaft torque sensor is arranged in a five-way pipe of a middle shaft of a vehicle, and a sensor signal is output when an elastic component between the middle shaft and a middle shaft chain wheel deforms; 2) A torque sensor is arranged on a chain wheel, and a sensor signal is output by utilizing the angle change caused by the tiny elastic deformation generated by a treading crank; 3) The torque sensor is arranged in the motor shell, and a sensor signal is output through the deformation of a connecting torsion bar between the induction motor cover plate and the speed reducer. And, usually, the drive controller is placed in the middle of the frame, the battery is placed above the frame or on the cross member, and the motor is generally placed in the front wheel or the rear wheel. The separate design schemes are generally complex in connection and difficult to install, and the service life and the system reliability are influenced; meanwhile, each part occupies a large space, so that the light degree of the whole vehicle is reduced; the discrete distribution is not beneficial to vehicle modification and modular replacement of fault parts, and increases the overall production and maintenance cost.
Therefore, it is necessary to provide an integrated intelligent power-assisted electric bicycle system which has a centralized and simple structure, high reliability and safety, and can intelligently realize smooth output of power-assisted torques of different levels to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an integrated form intelligence helping hand electric bicycle system. The power-assisted electric bicycle solves the technical problems that in the prior art, devices in the power-assisted electric bicycle adopt a separated design, so that the wiring is complex, the installation is difficult, and the service life and the system reliability are influenced.
The technical effects of the utility model are through following realization:
the utility model provides an integrated form intelligence helping hand electric bicycle system, includes signal acquisition device, drive controller and battery management module, signal acquisition device battery management module all with the drive controller electricity is connected, drive controller is used for driving the motor operation of electric bicycle, signal acquisition device is used for gathering rider's pedal moment information, the rotational speed and the acceleration information and the automobile body angle of pitch information send to drive controller, drive controller basis pedal moment information the rotational speed and the acceleration information of motor and the output of the turning moment of automobile body angle of pitch information adjustment motor advances to provide power for electric bicycle's wheel with rider's pedal moment stack, battery management module be used for with the group battery electricity of electric bicycle be connected in order to right drive controller provides the electric energy. Through setting up signal acquisition device, can gather multiple sensor signals such as pedal moment, the speed change signal of motor and the automobile body pitch angle under the special working condition such as downhill path in real time to give drive controller with these signal transmission, make drive controller can realize the differentiated moment output that corresponds under the multiple sensor signal with the help of intelligent control algorithm, thereby satisfy the different demands of riding of passerby, realize the intelligent regulation at different helping hand ranks.
Furthermore, the electric bicycle comprises a pedal torque transmission assembly, the pedal torque transmission assembly comprises a pedal, a chain wheel, a chain, a flywheel and a spoke type shell, the pedal is fixedly connected with the middle shaft of the bicycle body through a crank, the chain wheel is fixedly sleeved on the middle shaft of the bicycle body, the chain wheel is in transmission connection with the flywheel positioned on the rear wheel of the bicycle body through the chain, the flywheel is fixedly connected onto the spoke type shell through a driving shaft sleeve, and the spoke type shell is fixedly connected with the hub of the bicycle through a spoke.
Further, the signal acquisition device includes static hall sensor, activity bullet pole and is located the permanent magnet of the recess of activity bullet pole, static hall sensor includes a plurality of hall element, and a plurality of hall element are the even setting of circumference shape the outside of drive axle sleeve, the activity bullet pole with drive axle sleeve outer wall fixed connection, signal acquisition device sets up to be as the pedal moment of riding passerby via the chain transmits extremely the flywheel, and drives drive axle sleeve synchronous rotation, so that the activity bullet pole is upspring to the circumference outside, be located in the recess of activity bullet pole the permanent magnet with when the spatial distance between the hall element changes, gather the pedal moment information that corresponds with spatial distance. Through setting up signal acquisition device for reach the flywheel via the chain when riding passerby's pedal moment, and when driving the synchronous rotation of drive axle sleeve, the activity bullet pole is upspring to the circumference outside, and the space distance between the permanent magnet in the recess of activity bullet pole and the static hall sensor changes, thereby makes the torque signal size of gathering change along with the space distance change, accomplishes the collection process of riding passerby's pedal moment signal.
Furthermore, the signal acquisition device is also set to obtain the rotating speed and acceleration information of the motor through a rotor position sensor arranged in the motor.
Further, the signal acquisition device further comprises an IMU angle measurement module, and the IMU angle measurement module is used for detecting the pitch angle of the vehicle body.
Further, the motor comprises a rotating torque transmission assembly, the rotating torque transmission assembly comprises a stator, a supporting middle shaft and a rotor, the stator is fixedly connected to the supporting middle shaft through a key groove structure, the rotor is connected with a speed reducer through a spline, and the speed reducer is connected with the spoke type shell through a spline.
Further, the driving controller is in communication connection with the battery management module, the battery management module is configured to send a current state of the battery pack to the driving controller, and the driving controller is configured to control the battery management module to complete management of the battery pack according to the current state of the battery pack. The current state of the battery pack comprises key information such as a fault alarm signal, electric quantity and charging state of the battery pack. The battery management module sends key information such as a fault alarm signal, electric quantity and charging state of the battery pack to the driving controller, so that the driving controller can control the battery management module to send a corresponding processing signal to the battery pack according to the key information to complete management of the battery pack.
Further, the battery pack, the battery management module, the motor and the speed reducer power unit including the motor and the speed reducer, the signal acquisition device and the drive controller are integrated in the spoke type shell. The battery pack, the battery management module, the motor comprising the motor and the speed reducer, the speed reducer power unit, the signal acquisition device and the driving controller are integrated in the spoke type shell, and complex electrical wiring exposed outside the spoke type shell is avoided, so that compared with a discrete system, the integrated intelligent power-assisted electric bicycle system is centralized and simple in overall structure and higher in reliability and safety; and, when the integrated form intelligence helping hand electric bicycle system of this application adopted the design of integration, the size standard of spoke formula shell was designed according to conventional bicycle size, can carry out quick assembly disassembly replacement as the standard part to only pass through mechanical connection with the automobile body, do not have electrical fault hidden danger in the aspect of the security performance, independence and flexibility are higher.
In addition, still provide an intelligence electric bicycle, including group battery, motor and reduction gear power pack, and foretell integrated form intelligence helping hand electric bicycle system.
As described above, the utility model discloses following beneficial effect has:
1) Through with group battery, battery management module, including motor and the motor of reduction gear and reduction gear power pack, signal acquisition device and drive controller integration in spoke formula shell, the no complicated electric wiring that exposes in the spoke formula shell outside compares in discrete system, and the overall structure of the intelligent helping hand electric bicycle system of integrated form of this application concentrates simply, and reliability and security are higher.
2) When the integrated intelligent power-assisted electric bicycle system adopts the integrated design scheme, the size standard of the spoke type shell is designed according to the size of a conventional bicycle, the spoke type shell can be replaced by a standard part in a quick assembling and disassembling mode, and only the spoke type shell is mechanically connected with a bicycle body, so that the potential safety hazard of electrical faults does not exist in the aspect of safety performance, and the independence and the flexibility are higher.
3) Through setting up signal acquisition device, can gather multiple sensor signals such as pedal moment, the speed change signal of motor and the automobile body pitch angle under the special working condition such as downhill path in real time to give drive controller with these signal transmission, make drive controller can realize the differentiated moment output that corresponds under the multiple sensor signal with the help of intelligent control algorithm, thereby satisfy the different demands of riding of passerby, realize the intelligent regulation at different helping hand ranks.
4) Through adopting static hall sensor, the activity is bounced the pole and is located the permanent magnet of the recess of activity bullet pole and constitutes signal acquisition device, make and pass to the flywheel via the chain when riding passerby's pedal moment, and when driving the synchronous rotation of drive axle sleeve, the activity is bounced to the circumference outside to the pole, the space distance between the permanent magnet in the recess of activity bullet pole and the static hall sensor changes, thereby make the moment signal size of gathering change along with the space distance change, accomplish the collection process of riding passerby's pedal moment signal.
5) The battery management module sends key information such as a fault alarm signal, electric quantity and charging state of the battery pack to the driving controller, so that the driving controller can control the battery management module to send a corresponding processing signal to the battery pack according to the key information to complete management of the battery pack.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of an integrated intelligent power-assisted electric bicycle system and a battery pack, a motor and a reducer power unit provided in an embodiment of the present disclosure;
fig. 2 is an exploded view of the cooperation structure of the integrated intelligent power-assisted electric bicycle system and the bicycle body provided in the embodiment of the present specification.
Wherein the reference numbers in the figures correspond to:
the device comprises a signal acquisition device 1, a static Hall sensor 11, a movable elastic rod 12, a permanent magnet 13, an IMU angle measurement module 14, a driving controller 2, a battery management module 3, a motor 4, a battery pack 5, a flywheel 6, a spoke type shell 7, a support middle shaft 8 and a speed reducer 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1:
as shown in fig. 1, an embodiment of the present specification provides an integrated intelligent power-assisted electric bicycle system, which includes a signal acquisition device 1, a driving controller 2 and a battery management module 3, both the signal acquisition device 1 and the battery management module 3 are electrically connected to the driving controller 2, the driving controller 2 is configured to drive a motor 4 of an electric bicycle to operate, the signal acquisition device 1 is configured to acquire pedaling torque information of a rider, rotational speed and acceleration information of the motor 4, and vehicle body pitch angle information, and send the acquired information to the driving controller 2, the driving controller 2 adjusts output of rotation torque of the motor 4 according to the pedaling torque information, the rotational speed and acceleration information of the motor 4, and the vehicle body pitch angle information so as to be superimposed on the pedaling torque of the rider to provide power for advancing of wheels of the electric bicycle, and the battery management module 3 is configured to be electrically connected to a battery pack 5 of the electric bicycle so as to provide electric energy for the driving controller 2.
Preferably, the battery pack 5, the battery management module 3, the motor and reducer power unit including the motor 4 and the reducer 9, the signal acquisition device 1, and the drive controller 2 are integrated in the spoke type housing 7.
The integrated intelligent power-assisted electric bicycle system has the advantages that the battery pack 5, the battery management module 3, the motor comprising the motor 4 and the speed reducer 9, the speed reducer power unit, the signal acquisition device 1 and the driving controller 2 are integrated in the spoke type shell 7, complex electric wiring exposed to the outside of the spoke type shell is avoided, compared with a discrete system, the integrated intelligent power-assisted electric bicycle system is simple in integral structure concentration and high in reliability and safety.
When the integrated intelligent power-assisted electric bicycle system adopts the integrated design scheme, the size standard of the spoke type shell 1 is designed according to the size of a conventional bicycle, can be replaced by a standard part in a quick assembling and disassembling way, and is only mechanically connected with a bicycle body, so that the potential safety hazard is avoided in the aspect of safety performance, and the independence and the flexibility are higher.
Preferably, the electric bicycle comprises a pedal torque transmission assembly, the pedal torque transmission assembly comprises a pedal, a chain wheel, a chain, a flywheel 6 and a spoke type shell 7, the pedal is fixedly connected with a middle shaft of the bicycle body through a crank, the chain wheel is fixedly sleeved on the middle shaft of the bicycle body, the chain wheel is in transmission connection with the flywheel 6 located on a rear wheel of the bicycle body through the chain, the flywheel 6 is fixedly connected to the spoke type shell 7 through a driving shaft sleeve, and the spoke type shell 7 is fixedly connected with a hub of the bicycle through spokes. Wherein, the middle axle of the bicycle body is a rotating part which is arranged in a five-way of the frame of the electric bicycle and is used for connecting a left crank and a right crank.
Specifically, as shown in fig. 1, the energy source for driving the wheels of the electric bicycle to move forward is divided into two parts, the first part is the pedaling torque of the rider, and the second part is the torque output of the motor in the integrated intelligent power-assisted electric bicycle system.
As shown in fig. 2, the pedal torque transmission assembly has the following connection relationship: the pedal is fixedly connected with cranks at two sides of a body of the electric bicycle, the cranks are fixedly connected with a middle shaft of the body, a chain wheel which rotates synchronously with the cranks is arranged on the middle shaft of the body, the chain wheel and a flywheel 6 positioned at the rear wheel of the body form a chain transmission system through a chain, the flywheel 2 is connected with a spoke type shell 7 through a driving shaft sleeve, the spoke type shell 7 is fixed with a wheel hub through spokes, and the wheel hub and a rubber cover tyre sleeved on the spoke type shell form a tyre.
The transmission process of the energy flow corresponding to the pedaling moment of the rider is as follows:
1) The rider generates initial torque through pedaling, and the initial torque is transmitted to a vehicle body center shaft of the vehicle body through a crank to drive the vehicle body center shaft to rotate in the circumferential rotation direction generated by the initial torque;
2) The central shaft of the vehicle body drives the chain wheel to synchronously rotate, and the moment is transmitted to the flywheel 6 through the chain;
3) The flywheel 6 transmits the torque to the spoke type shell 7 through the driving shaft sleeve;
4) The spoke type shell 7 transmits the torque to a wheel hub through spokes to realize the integral rotation of the wheel and realize the forward effect of the vehicle.
Through setting up signal acquisition device 1, can gather in real time pedal moment, the speed change signal of motor and go up the downhill path and wait multiple sensor signal such as automobile body pitch angle under the special operating mode, thereby give drive controller 2 with these signal transmission, make drive controller 2 can realize the differentiated torque output that corresponds under the multiple sensor signal with the help of intelligent control algorithm, thereby satisfy the demand of riding that the passerby is different, realize the intelligent regulation of different helping hand ranks.
Preferably, the signal acquisition device 1 includes stationary hall sensor 11, activity bullet pole 12 and the permanent magnet 13 that is arranged in the recess of activity bullet pole 12, stationary hall sensor 11 includes a plurality of hall element, a plurality of hall element are the even outside that sets up at the drive axle sleeve of circumference shape, activity bullet pole 12 and drive axle sleeve outer wall fixed connection, signal acquisition device 1 sets up to transmit to flywheel 6 via the chain when riding passerby's pedal moment, and drive the synchronous rotation of drive axle sleeve, so that activity bullet pole 12 is upspring to the circumference outside, when the spatial distance between permanent magnet 13 and the hall element that is arranged in the recess of activity bullet pole 12 changes, gather the pedal moment information that corresponds with spatial distance.
Specifically, the control relationship, i.e., the control flow, of the integrated intelligent power-assisted bicycle system mainly uses the driving controller 2 as a core, and is composed of 3 branches, which are respectively a signal acquisition branch of the signal acquisition device 1 flowing into the driving controller 2 in one direction, a bidirectional communication branch between the driving controller 2, the battery management module 3 and the battery pack 5, and a bidirectional communication branch between the driving controller 2 and the motor 4.
As shown in fig. 2, the acquisition process of the pedal torque information corresponding to the signal acquisition branch of the signal acquisition device 1 flowing into the drive controller 2 in one direction is as follows:
when the pedal torque of the rider is transmitted to the flywheel 6 through the chain and drives the driving shaft sleeve to rotate, the movable elastic rod 12 on the signal acquisition device 1 is made to bounce towards the outside of the circumference, so that the space distance between the permanent magnet 13 in the groove of the movable elastic rod 12 and the static Hall sensor 11 is changed, and the magnitude of the torque signal acquired by the static Hall sensor 11 is changed along with the change of the space distance.
Preferably, the signal acquisition device 1 is further configured to obtain information of the rotation speed and the acceleration of the motor 4 through a rotor position sensor disposed inside the motor 4.
Preferably, the signal acquisition device 1 further comprises an IMU angle measurement module 14, and the IMU angle measurement module 14 is used for detecting a pitch angle of the vehicle body.
The static Hall sensor 11 sends the collected torque signal to the driving controller 2, the driving controller 2 intelligently adjusts different boosting levels according to the magnitude of the torque signal, and the stronger the torque signal is, the stronger the riding force of a rider is represented, and the stronger the adjusted boosting level is; the rotation speed and acceleration signals of the motor are obtained by a rotor position sensor arranged in the motor 4 to assist in adjusting the boosting level; the IMU angle measurement module 14 intelligently adjusts the power-assisted level under special working conditions such as ascending and descending by detecting the pitch angle of the vehicle body, and increases the power-assisted level under the condition of ascending. The final output power-assisted torque of the motor, the power-assisted torque T can be obtained motor The expression is as follows:
T motor ＝k T *T e +k V *T e +k IMU *T e
wherein k is T 、k v And k IMU The power-assisted level, T, of the torque signal, the speed and acceleration signal and the vehicle body pitch angle signal respectively e As an electric motorThe signal acquisition device 1 unidirectionally inputs the acquired corresponding pedal torque information, the rotating speed and acceleration information of the motor 4 and the vehicle body pitch angle information to the drive controller 2.
Preferably, the motor 4 comprises a rotating torque transmission assembly, the rotating torque transmission assembly comprises a stator, a rotor and a supporting middle shaft 8, the stator is fixedly connected to the supporting middle shaft 8 through a key groove structure, the rotor is connected with the speed reducer 9 through a spline, and the speed reducer 9 is connected with the spoke type shell 7 through a spline.
It should be noted that the initial energy source of the integrated intelligent power-assisted electric bicycle system is the battery pack 5, and the energy of the battery pack 5 is used to drive the motor 4 to output the rotation torque, so that the power-assisted electric bicycle moves forward.
Specifically, as shown in fig. 2, the rotational torque transmission assembly has the following connection relationship: the stator of the motor 4 is connected to the support middle shaft 8 through a key groove structure, and the stator of the motor 4 and the support middle shaft 8 belong to a static part; the rotor of the motor 4 is connected with the speed reducer 9 through a spline, the speed reducer 9 is connected with the spoke type shell 7 through a spline, the spoke type shell 7 is fixed with the wheel hub through a spoke, and the rotor of the motor 4, the speed reducer 9, the spoke type shell 7 and the wheel hub belong to a rotating part.
The transmission process of the energy flow corresponding to the output rotation torque of the motor 4 is as follows:
1) The battery pack 5 supplies electric energy to the driving controller 2 through the battery management module 3;
2) The driving controller 2 provides driving voltage for a stator winding on a stator of the motor 4 so as to generate a rotating armature magnetic field, and the rotating armature magnetic field is coupled with a permanent magnetic field generated by a permanent magnet on a rotor of the motor 4 so as to generate the rotating torque of the rotor of the motor 4;
3) The speed reducer 9 and the rotor of the motor 4 rotate synchronously to transmit torque;
4) The reducer 9 drives the spoke type shell 7 to synchronously rotate through the spline;
5) The spoke type shell 7 transmits the torque to a wheel hub through spokes, so that the integral rotation of the wheel is realized, and the forward effect of the vehicle is realized.
Preferably, the driving controller 2 is in communication connection with the battery management module 3, the battery management module 3 is configured to send the current state of the battery pack 5 to the driving controller 2, and the driving controller 2 is configured to control the battery management module 3 to complete management of the battery pack 5 according to the current state of the battery pack 5.
The battery pack 5 is in communication connection with the battery management module 3, and the battery management module 3 is used for realizing charge and discharge management, battery state estimation and battery parameter detection of the battery pack 5.
Specifically, the control relationship corresponding to the bidirectional communication branch among the driving controller 2, the battery management module 3, and the battery pack 5 is as follows:
the energy initial source of the integrated intelligent power-assisted bicycle system is a battery pack 5, and the battery pack 5 and the battery management module 3 are in real-time two-way communication through serial ports.
The battery management module 3 is used for realizing the functions of charge and discharge management, battery parameter detection, battery state estimation, fault diagnosis and alarm, battery system protection, battery equalization, real-time data recording, battery pack anti-counterfeiting authentication and the like of the battery pack 5, ensuring the safety of the battery and prolonging the service life of the battery.
The communication content between the drive controller 2 and the battery management module 3 includes two parts: firstly, the battery management module 3 sends key information reflecting the current battery state, such as a fault alarm signal, electric quantity, charging state and the like of the battery pack 5 to the drive controller 2; the second is that the driving controller 8 controls the battery management module 3 to output a processing signal of a related action to the battery pack 5 according to the key information to complete management of the battery pack 5.
Preferably, the driving controller 2 is in communication connection with the motor 4, and the driving controller 2 receives the operation parameter information sent by the motor 4 in real time to realize the protection function for the motor 4.
Specifically, the control relationship corresponding to the bidirectional communication branch between the drive controller 2 and the motor 4 is as follows:
the drive controller 2 controls various operation conditions of the motor 4, including starting operation, standby, stopping, and intelligent adjustment of different power-assisted levels in an operation mode.
And a control module of the driving controller 2 is used for determining a proper boosting ratio by combining the received torque signal, the received speed and acceleration signal and the received vehicle body pitch angle signal which are acquired by the signal acquisition device 1, and intelligently adjusting the boosting level.
The driving module of the driving controller 2 is used for coupling the armature magnetic field and the permanent magnetic field of the driving motor 4 to generate the final required boosting torque.
Meanwhile, the motor 4 needs to transmit the operation parameter information and the failure alarm information back to the drive controller 2 in real time so that the drive controller 2 can make corresponding protection actions. The protection actions realize corresponding protection functions including under-overvoltage of a motor bus, overcurrent of bus hardware and software, phase current overcurrent, motor phase failure, over-temperature protection and the like.
Example 2:
the embodiment of the specification provides an intelligent electric bicycle, which comprises a battery pack 5, a motor and speed reducer power unit and an integrated intelligent power-assisted electric bicycle system in the embodiment 1. Through setting up the intelligent helping hand electric bicycle system of integrated form in this application in intelligent electric bicycle, the final helping hand torque output of motor 4 constitutes wheel power that gos forward jointly with the pedal moment stack of riding passerby for riding passerby and effectively saving physical power, the distance of riding can extend, and enjoy better experience of riding.
Although the present invention has been described in connection with the preferred embodiments, it is not intended to limit the invention to the embodiments described herein, but rather, to include various changes and modifications without departing from the scope of the invention.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above can be combined with each other without conflict.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides an integrated form intelligence helping hand electric bicycle system, its characterized in that, includes signal acquisition device (1), drive controller (2) and battery management module (3), signal acquisition device (1) battery management module (3) all with drive controller (2) electricity is connected, drive controller (2) are used for driving motor (4) operation of electric bicycle, signal acquisition device (1) are used for gathering rider's pedal moment information, the rotational speed and the acceleration information of motor (4) and automobile body pitch angle information send to drive controller (2), drive controller (2) basis pedal moment information the rotational speed and the acceleration information of motor (4) and the output of the running torque of automobile body pitch angle information adjustment motor (4) provide power for the wheel of electric bicycle with the pedal moment stack of rider advances, battery management module (3) are used for being connected with battery pack (5) electricity of electric bicycle with drive controller (2) are provided with the electric energy.
2. The integrated intelligent power-assisted electric bicycle system according to claim 1, wherein the electric bicycle comprises a pedal torque transmission assembly, the pedal torque transmission assembly comprises a pedal, a chain wheel, a chain, a flywheel (6) and a spoke type shell (7), the pedal is fixedly connected with a middle shaft of a bicycle body through a crank, the chain wheel is fixedly sleeved on the middle shaft of the bicycle body, the chain wheel is in transmission connection with the flywheel (6) positioned at a rear wheel of the bicycle body through the chain, the flywheel (6) is fixedly connected with the spoke type shell (7) through a driving shaft sleeve, and the spoke type shell (7) is fixedly connected with a hub of a wheel through spokes.
3. The integrated intelligent power-assisted electric bicycle system according to claim 2, wherein the signal acquisition device (1) comprises a static hall sensor (11), a movable elastic rod (12) and a permanent magnet (13) positioned in a groove of the movable elastic rod (12), the static hall sensor (11) comprises a plurality of hall elements, the hall elements are uniformly arranged on the outer side of the driving shaft sleeve in a circumferential shape, the movable elastic rod (12) is fixedly connected with the outer wall of the driving shaft sleeve, and the signal acquisition device (1) is arranged to acquire pedal moment information corresponding to the spatial distance when the pedal moment of a rider is transmitted to the flywheel (6) through the chain and drives the driving shaft sleeve to synchronously rotate so that the movable elastic rod (12) is bounced to the outside of the circumference, and the spatial distance between the permanent magnet (13) positioned in the groove of the movable elastic rod (12) and the hall elements is changed.
4. The integrated intelligent power-assisted electric bicycle system according to claim 3, wherein the signal acquisition device (1) is further configured to obtain the information of the rotation speed and the acceleration of the motor (4) through a rotor position sensor arranged inside the motor (4).
5. The integrated intelligent power-assisted electric bicycle system according to claim 4, wherein the signal acquisition device (1) further comprises an IMU angle measurement module (14), the IMU angle measurement module (14) being used for detecting a pitch angle of a vehicle body.
6. The integrated intelligent power-assisted electric bicycle system according to claim 2, wherein the motor (4) comprises a rotational torque transmission assembly, the rotational torque transmission assembly comprises a stator, a rotor and a support central shaft, the stator is fixedly connected to the support central shaft (8) through a key groove structure, the rotor is connected with a speed reducer (9) through a spline, and the speed reducer (9) is connected with the spoke type shell (7) through a spline.
7. The integrated intelligent power-assisted electric bicycle system according to claim 6, wherein the drive controller (2) is in communication connection with the battery management module (3), the battery management module (3) is used for sending the current state of the battery pack (5) to the drive controller (2), and the drive controller (2) is used for controlling the battery management module (3) to complete the management of the battery pack (5) according to the current state of the battery pack (5).
8. The integrated intelligent power-assisted electric bicycle system according to claim 7, wherein the drive controller (2) is in communication connection with the motor (4), and the drive controller (2) is used for receiving the running parameter information sent by the motor (4) in real time.
9. The integrated intelligent assisted electric bicycle system according to claim 8, characterized in that the battery pack (5), the battery management module (3), the motor and retarder power unit comprising the motor (4) and the retarder (9), the signal acquisition device (1) and the drive controller (2) are integrated within the spoke housing (7).
10. An intelligent electric treadmill, characterized by comprising a battery pack (5), a motor and reducer power unit, and an integrated intelligent power-assisted electric treadmill system according to claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221114896.2U CN217918280U (en) | 2022-05-10 | 2022-05-10 | Integrated intelligent power-assisted electric bicycle system and intelligent electric bicycle |
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| CN202221114896.2U CN217918280U (en) | 2022-05-10 | 2022-05-10 | Integrated intelligent power-assisted electric bicycle system and intelligent electric bicycle |
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| CN217918280U true CN217918280U (en) | 2022-11-29 |
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| CN202221114896.2U Active CN217918280U (en) | 2022-05-10 | 2022-05-10 | Integrated intelligent power-assisted electric bicycle system and intelligent electric bicycle |
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