TWM623410U - Electric bike control system - Google Patents

Abstract

The present invention relates to an electric bicycle control system, including: a drive motor, including a transmission module and at least a first sensor for sensing at least one dynamic parameter of the transmission module, the transmission module for an electric bicycle a driving mechanism is connected in linkage; a database, storing a plurality of riding mode information, each of the riding mode information includes a plurality of simulation parameters; and a control module, including a setting unit, a database and the setting A calculation processing unit communicated with the unit, and a control unit communicated with the calculation processing unit, the setting unit is used for inputting at least one setting parameter, and the calculation processing unit can be based on the at least one setting parameter, the at least one dynamic parameter and the complex simulation The parameters calculate a simulated moment of inertia and a calculation result data related to the simulated moment of inertia, the calculation processing unit then outputs at least one control signal according to the calculation result data, and the control unit can receive the at least one control signal and control accordingly The drive state of the drive motor.

Description

Electric bicycle control system

This creative department is related to electric bicycles, especially an electric bicycle control system.

With the popularity of sports, bicycles are not only used as a means of transportation for commuting, but also an important item in leisure and entertainment or sports competitions. At present, various types of bicycles are developed on the market, such as but not limited to road bicycles, mountain bikes, electric bicycles and folding bicycles, etc. to meet different usage needs, and fixed-point riding training can also be provided by training benches.

However, existing bicycles are often limited by the weather and cannot be used outdoors, and if they want to ride a certain route (such as a hiking trail or any bicycle path), the rider needs to carry the bicycle to the destination before riding. , so it cannot meet the needs of riders at any time. In addition, conventional electric bicycles and training stations provide simulated training effects through motors or magnetic resistance, and do not consider environmental factors such as the moment of inertia of the wheel and the human body, wind resistance, friction between the wheel and the ground, inertia, etc. There is a huge gap between the trampling feeling and the real situation, and there are shortcomings that need to be improved urgently.

Therefore, it is necessary to provide a novel and progressive electric bicycle control system to solve the above problems.

The main purpose of this creation is to provide an electric bicycle control system, which has high riding fidelity and can meet the needs of various pedal feeling.

In order to achieve the above object, the present invention provides an electric bicycle control system, including: a drive motor, including a transmission module and at least one first sensor for sensing at least one dynamic parameter of the transmission module, the transmission module for connecting with a driving mechanism of an electric bicycle; a database for storing a plurality of riding mode information, each of the riding mode information includes a plurality of simulation parameters; and a control module, including a setting unit, a The database and the calculation processing unit communicated with the setting unit, and a control unit communicated with the calculation processing unit, the setting unit is used for inputting at least one setting parameter, and the calculation processing unit can be based on the at least one setting parameter, the at least one dynamic The parameters and the complex analog parameters are used to calculate a simulated moment of inertia and a calculation result data related to the simulated moment of inertia. The calculation processing unit then outputs at least one control signal according to the calculation result data, and the control unit can receive the at least one control signal. The signal is used to control the driving state of the driving motor.

The following examples only illustrate the possible implementation of this creation, but are not intended to limit the scope of protection of this creation, and will be described first.

Please refer to FIGS. 1 to 2 , which show a preferred embodiment of the present invention. The electric bicycle control system 1 of the present invention includes a driving motor 10 , a database 20 and a control module 30 .

The drive motor 10 includes a transmission module 11 and at least one first sensor 12 capable of sensing at least one dynamic parameter of the transmission module 11 , and the transmission module 11 is connected to a driving mechanism 201 of an electric bicycle 2 . The database 20 stores a plurality of riding mode information, and each riding mode information includes a plurality of simulation parameters; the control module 30 includes a setting unit 31, a communication unit with the database 20 and the setting unit 31 The calculation processing unit 32 and a control unit 33 communicated with the calculation processing unit 32, the setting unit 31 is for inputting at least one setting parameter, and the calculation processing unit 32 can be based on the at least one setting parameter, the at least one dynamic parameter and the The complex simulation parameters calculate a simulated moment of inertia and a calculation result data related to the simulated moment of inertia, the calculation processing unit 32 then outputs at least one control signal according to the calculation result data, and the control unit 33 can receive the at least one control signal The driving state of the driving motor 10 is controlled accordingly. Thereby, the electric bicycle control system 1 can simulate the actuation state of the electric bicycle 2 when riding according to the riding mode information, and then control the driving motor 10 to provide resistance or assistance to the driving mechanism 201, with high fidelity and high fidelity. It can meet the needs of a variety of pedal senses.

The at least one first sensor 12 includes at least one of a speed sensor and a torque sensor, so as to sense the force exerted by the driving mechanism 201 on the driving motor 10 when a rider is riding, such as, but not limited to, pedaling The wattage and power can then be used for real-time integrated calculation by the calculation processing unit 32 . In this embodiment, the drive motor 10 is a permanent magnet synchronous outer rotor motor mounted on a rear wheel 202 of the electric bicycle 2 and adopts a standard quick-release shaft, so as to be easily mounted on a training platform 3 for use. Fixed-point riding, easy to disassemble. It should be noted that, in this embodiment, the driving motor 10 is mounted on the rear wheel 202 and is movably connected to the driving mechanism 201 . The rear wheel 202 does not inertial rotate due to the moment of inertia, so the The electric bicycle control system 1 needs to calculate the simulated moment of inertia by considering parameters such as the size of the rear wheel 202 , the weight of the rider and the weight of the electric bicycle 2 , so as to simulate various road conditions more realistically and make the driving motor 10 Generates assist or resistance, providing a variety of riding effects. In other embodiments, the driving motor can also be disposed on the central axle of the electric bicycle.

The plurality of riding mode information includes at least one of a map information, a vehicle type information, a weather state information and a training course information; the plurality of simulation parameters include a distance data, a vehicle specification data, and a route of the map information and at least one of slope data, a wind resistance data and a simulated vehicle load data. The rider can select at least one riding mode information in the database 20 through the setting unit 31, such as selecting a riding route, a riding vehicle (mountain bike, road bike, folding bicycle, etc.) and a weather condition (strong wind, no wind, etc.), the calculation processing unit 32 can immediately calculate the resistance or assist provided by the driving motor 10 to the driving mechanism 201 at different time points, so as to make the rider have high fidelity The pedaling experience; the rider can also select a piece of the training course information and use it with the training platform 3 to achieve the training effect of simulating an exercise bike.

Preferably, the electric bicycle control system 1 further includes at least one second sensor 40 in communication with the computing processing unit 32 , the at least one second sensor 40 is provided on a body of the electric bicycle 2 and includes a cadence sensor. At least one of a sensor, a torque sensor, a gradient sensor, an attitude sensor and a tire pressure sensor. Therefore, when the rider is riding, the at least one second sensor 40 can instantly sense the pedaling frequency of the rider, the change of the stress exerted by the rider on the driving mechanism 201, and riding outdoors. It can also sense the change of the inertia force or friction force of the wheel of the electric bicycle 2 on the road surface, and use the calculation processing unit 32 to calculate the road gradient resistance, the moment of inertia, the rotation change of the rear wheel 202, and the friction resistance. Calculation is performed to accurately integrate and estimate the magnitude of the torque that the drive motor 10 should provide.

其中，m表示該騎乘者的體重與該電動自行車2的重量之總和，可由該騎乘者自該設定單元31輸入或自該資料庫20取得；v代表該電動自行車2之速率，可由該至少一第一傳感器12獲得；ω代表該後輪202之角速度，可由該至少一第一傳感器12獲得；I代表該後輪202之轉動慣量；TL代表因路面坡度所造成之助力或阻力大小，可由該至少一第二傳感器40獲得或自該資料庫20取得；Bω代表該後輪202與路面之摩擦力、風阻等環境阻力，可由該至少一第二傳感器40獲得或自該資料庫20取得；J則帶入由關係式（1）得出之轉動慣量；dw/dt為該後輪202之轉動變化量，可由該至少一第一傳感器12或該至少一第二傳感器40獲得；T則為該驅動電機10應輸出帶動該後輪202之力矩。藉此，該電動自行車控制系統1可實際考量該複數設定參數、該騎乘者施予該驅動機構201的力、環境阻力、該電動自行車2與路面之間的阻力及該後輪202之轉動慣量等因素，並據以控制該驅動電機10施予該驅動機構201助力或阻力，使該騎乘者可具有符合預期之踩踏感受。 Specifically, the calculation processing unit 32 can calculate the resistance or assist that the drive motor 10 should provide under each set condition according to the relational expression (1) and the motor motion equation (2) listed below. size:

Wherein, m represents the sum of the weight of the rider and the weight of the electric bicycle 2, which can be input by the rider from the setting unit 31 or obtained from the database 20; v is the speed of the electric bicycle 2, which can be obtained from the Obtained by at least one first sensor 12; ω represents the angular velocity of the rear wheel 202, which can be obtained by the at least one first sensor 12; I represents the moment of inertia of the rear wheel 202; It can be obtained by the at least one second sensor 40 or obtained from the database 20 ; Bω represents the environmental resistance such as friction between the rear wheel 202 and the road surface, wind resistance, etc., which can be obtained by the at least one second sensor 40 or obtained from the database 20 ; J brings in the moment of inertia obtained from the relational formula (1); dw/dt is the rotational variation of the rear wheel 202, which can be obtained by the at least one first sensor 12 or the at least one second sensor 40; T then Therefore, the driving motor 10 should output a torque to drive the rear wheel 202 . Thereby, the electric bicycle control system 1 can actually take into account the plurality of setting parameters, the force exerted by the rider on the driving mechanism 201 , the environmental resistance, the resistance between the electric bicycle 2 and the road surface, and the rotation of the rear wheel 202 Inertia and other factors, and control the driving motor 10 to give the driving mechanism 201 a boost or resistance accordingly, so that the rider can have a desired pedaling feeling.

The electric bicycle control system 1 further includes a power storage unit 50 electrically connected to the control unit 33 . The control unit 33 can control the power storage unit 50 to supply power to the driving motor 10 or control the power storage unit 50 to generate electricity from the driving motor 10 . The kinetic energy is converted into electrical energy storage, which increases the power supply endurance of the electric bicycle 2 . The electric bicycle control system 1 preferably further includes an electric energy absorbing device 60 electrically connected to the control unit 33 , when a stored power of the power storage unit 50 is not less than a maximum stored power or the instantaneous power generated by the driving motor 10 is greater than a When the power value is preset, the control unit 33 can transmit the power generated by the drive motor 10 to the power absorption device 60 to protect the power storage unit 50 to effectively prevent the instantaneous power from being too large and overloaded, thereby maintaining the output of the drive motor 10 The resistance is also beneficial to prolong the service life of the power storage unit 50 . For example, the electric energy absorbing device 60 can be connected to the control unit 33 through a wire and includes at least one of a battery and an electrothermal conversion device. When charging external electronic devices, the electrothermal conversion device (such as but not limited to heat dissipation resistors, fans, etc.) can release excess energy in the form of heat consumption; The conduction relationship can be controlled by, for example, but not limited to, electrical signals or mechanical switches.

Further, the setting unit 31 includes an electronic device 311, and the electronic device 311 includes an operation display interface 312 that can be operated externally and communicated with the database 20 and the computing processing unit 32. The electronic device 311 can be, for example, but not It is limited to mobile phones, tablet computers, portable monitors, etc., and can be installed on the tube or faucet of the electric bicycle 2 for easy inspection and operation. The operation display interface 312 can display at least one of the at least one dynamic parameter, a riding data information, the stored power, the at least one setting parameter and the set riding mode information, so that the rider can view the information at any time. Confirm the setting and operating state of the electric bicycle 2 . The at least one setting parameter includes at least one of the rider's weight, the weight of the electric bicycle 2 and a wheel size. The rider can manually input it from the operation display interface 312 , or extract a preset parameter from the database 20 . Set the data as a reference for the calculation. Preferably, the database 20 is a cloud database to facilitate access and update. In other embodiments, the database can also be a storage unit for the electric bicycle.

To sum up, the electric bicycle control system of this creation can be simulated according to the setting conditions of the rider, and no matter what the actual riding environment is, the actual riding conditions and the setting conditions of the rider can be calculated by the computing processing unit The integrated computing provides a high-fidelity pedaling experience to meet diverse needs. In addition, the electric bicycle can adopt a fixed-point or mobile riding mode, is not limited by weather conditions, and has a good degree of freedom of use.

1: Electric bicycle control system 2: Electric bike 3: Training bench 10: Drive motor 11: Transmission module 12: The first sensor 20:Database 30: Control Module 31: Setting unit 311: Electronic Devices 312: Operation display interface 32: Computing Processing Unit 33: Control unit 40: Second sensor 50: Power storage unit 60: Electric energy absorption device 201: Drive Mechanism 202: rear wheel

FIG. 1 is a schematic diagram of the configuration of a preferred embodiment of the creation. FIG. 2 is a structural block diagram of a preferred embodiment of the creation.

2: Electric bike

3: Training bench

311: Electronic Devices

312: Operation display interface

33: Control unit

50: Power storage unit

60: Electric energy absorption device

201: Drive Mechanism

202: rear wheel

Claims (10)

An electric bicycle control system, comprising: a driving motor, comprising a transmission module and at least one first sensor for sensing at least one dynamic parameter of the transmission module, the transmission module is for connecting with a driving mechanism of an electric bicycle; a database storing a plurality of riding mode information, each of the riding mode information including a plurality of simulation parameters; and A control module includes a setting unit, a calculation processing unit communicated with the database and the setting unit, and a control unit communicated with the calculation processing unit, the setting unit is used for inputting at least one setting parameter, the calculation processing unit The unit can calculate a simulated moment of inertia and a calculation result data related to the simulated moment of inertia according to the at least one setting parameter, the at least one dynamic parameter and the complex simulation parameter, and the calculation processing unit outputs at least the calculation result data according to the calculation result data. A control signal, the control unit can receive the at least one control signal and control the driving state of the driving motor accordingly. The electric bicycle control system of claim 1, wherein the at least one first sensor includes at least one of a speed sensor and a torque sensor. The electric bicycle control system according to claim 1, further comprising at least one second sensor in communication with the computing processing unit, wherein the at least one second sensor is provided on a body of the electric bicycle and includes cadence sensing at least one of a sensor, a torque sensor, a gradient sensor, and a tire pressure sensor. The electric bicycle control system according to claim 1, wherein the setting unit includes an electronic device, and the electronic device includes an operation display interface that can be operated externally and communicated with the database and the computing processing unit. The electric bicycle control system of claim 1, wherein the at least one setting parameter includes at least one of a rider's weight, the weight of the electric bicycle and a wheel size. The electric bicycle control system of claim 1, wherein the plurality of riding mode information includes at least one of a map information, a vehicle type information, a weather state information and a training course information. The electric bicycle control system of claim 6, wherein the plurality of simulation parameters include at least one of distance data, vehicle specification data, route and slope data of the map information, wind resistance data and simulated vehicle load data . The electric bicycle control system according to any one of claims 1 to 7, further comprising a power storage unit electrically connected to the control unit, wherein the control unit can control the power storage unit to supply power to the driving motor or control the power storage unit to The kinetic energy generated by the drive motor is converted into electrical energy for storage. The electric bicycle control system according to claim 8, further comprising an electric energy absorption device electrically connected to the control unit, wherein when a stored power of the power storage unit is not less than a maximum stored power or the instantaneous power generated by the driving motor is greater than When a preset electric energy value is present, the control unit can transmit the electric energy generated by the driving motor to the electric energy absorbing device. The electric bicycle control system of claim 7, wherein the at least one first sensor includes at least one of a speed sensor and a torque sensor; the electric bicycle control system further includes at least one sensor in communication with the computing processing unit a second sensor, the at least one second sensor is provided on a body of the electric bicycle and includes at least one of a cadence sensor, a torque sensor, a gradient sensor and a tire pressure sensor; the setting The unit includes an electronic device, the electronic device includes an operation display interface that can be operated externally and communicated with the database and the computing processing unit; the at least one setting parameter includes a rider's weight, the weight of the electric bicycle and a wheel At least one of the dimensions; the electric bicycle control system further includes a power storage unit electrically connected to the control unit, the control unit can control the power storage unit to supply power to the drive motor or control the power storage unit to convert the kinetic energy generated by the drive motor For electric energy storage; the electric bicycle control system further includes an electric energy absorption device electrically connected to the control unit, when a stored power of the power storage unit is not less than a maximum stored power or the instantaneous power generated by the drive motor is greater than a preset power When the value is set, the control unit can transmit the electric energy generated by the driving motor to the electric energy absorption device; the electric energy absorption device includes at least one of a battery and an electrothermal conversion device; the database is a cloud database; the driving motor It is a permanent magnet synchronous external rotor motor installed on a rear wheel of the electric bicycle; and the operation display interface can display the at least one dynamic parameter, a riding data information, the stored power, the at least one setting parameter and the set At least one of the riding mode information.

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