TWI779849B - Electric auxiliary bicycle system and electric auxiliary bicycle - Google Patents

Abstract

The invention discloses an electric auxiliary bicycle system and an electric auxiliary bicycle. The electric assisted bicycle system includes: a weight sensing kit and a processing device. The weight sensing kit is used to install on the seatpost, and the weight sensing kit can measure the weight of the user sitting on the seat of the electric auxiliary bicycle to generate weight information correspondingly. The processing device is used to install on the frame of the electric auxiliary bicycle, and the processing device is electrically connected to the power device, The processing device can receive the weight information transmitted by the weight sensing kit, and the processing device can control the power device to switch to a corresponding power assist mode based on the weight information. Wherein the power device will provide the power assist in different power assist modes different auxiliary power for a chainring of the power plant.

Description

Electric assist bicycle system and electric assist bicycle

The invention relates to a bicycle system and a bicycle, in particular to an electric auxiliary bicycle system and an electric auxiliary bicycle.

The existing common electric assisted bicycles cannot automatically switch the relevant power assist device to the power assist mode that the user is used to according to different users, and the user can only manually control it.

The invention discloses an electric assisted bicycle system and an electric assisted bicycle, which are mainly used to improve the existing electric assisted bicycle system and the electric assisted bicycle, which cannot automatically switch to the riding mode that the user is used to in real time according to different users.

One embodiment of the present invention discloses an electric assisted bicycle system, which is suitable for use in an electric assisted bicycle. The electric assisted bicycle includes a frame, a power unit, a tube and a seat cushion. The power unit and the seat tube are arranged on the frame , the seat cushion is arranged at the end of the seat tube, and the electric assist bicycle system includes: a weight sensing package and a processing device. The weight sensing kit is used to install on the seat tube, and the weight sensing kit can measure the weight of the user sitting on the cushion, so as to generate a corresponding weight information; the processing device is used to install on the frame, and the processing device is electrically connected to the power device, the processing device can receive the weight information transmitted by the weight sensing kit, and the processing device can control the power device to switch to a corresponding power assist mode according to the weight information; wherein, the power device will be in different power assist modes Provide different auxiliary power for a chainring of the power device; wherein, the electric assisted bicycle system also includes an operating device, which is electrically connected to the processing device, and the operating device can be operated to generate Generate an operation information; the processing device can receive the operation information, and control the weight sensing package to generate a real-time weight information, and the processing device can store the real-time weight information as weight data in a piece of user information.

One embodiment of the present invention discloses an electric assisted bicycle, which includes: a frame, a power device, a seat tube, a seat cushion, a weight sensing package and a processing device. The power unit is arranged on the frame. The power unit includes a drive module, two cranks, a chainring and a center shaft. The two ends of the center shaft are connected to two cranks. The other end of each crank is used to connect a pedal. The drive module can be control to drive the chainring to rotate; the seat tube is set on the frame; the seat cushion is set on the end of the seat tube; the weight sensing kit is used to set on the seat tube, and the weight sensing kit can measure the weight of the user sitting on the seat cushion, Correspondingly generate a piece of weight information; the processing device is used to install on the vehicle frame, the processing device is electrically connected to the power device, the processing device can receive the weight information transmitted by the weight sensing kit, and the processing device can control the switching of the power device according to the weight information It is a corresponding power assist mode; wherein, in different power assist modes, the power device will provide different auxiliary power for a chainring of the power device; wherein, the electric assist bicycle system also includes an operating device, which is electrically connected to The processing device, the operating device can be operated to generate an operation information; the processing device can receive the operation information, and control the weight sensing package to generate a real-time weight information, and the processing device can store the real-time weight information as a piece of user information weight data in .

To sum up, the electric assisted bicycle system and electric assisted bicycle of the present invention are designed through the weight sensing kit and processing device, etc., and can control the power by detecting the weight of the user after the user sits on the seat cushion. The device switches to the corresponding power assist mode, so that the user can have a better riding experience.

In order to further understand the characteristics and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention, but these descriptions and drawings are only used to illustrate the present invention, rather than to make any statement on the scope of protection of the present invention. limit.

100: electric assist bicycle

1: Frame

2: power unit

21: Drive module

22: crank

23: Sprocket

24: Axis

3: Seat tube

4: Cushion

5: Weight Sensing Kit

51: Weight information

52: Real-time weight information

6: Processing device

61: Processor

62: Storage

621: user information

6211: user profile

6212: Weight information

6213: Auxiliary mode information

63: Communication unit

7: Front wheel

8: rear wheel

9: Electric device

10: handle

11:Brake components

12: Pedal

13: Mode switching device

131: Processor

1311: switch signal

132: Operating parts

14: Display device

141: display screen

15: Operating device

151: Operation information

16: Torque sensor

161:Torque information

200: Electric assist bicycle system

201: Weight Sensing Kit

202: processing device

Fig. 1 is a schematic diagram of the electric assist bicycle of the present invention.

Fig. 2 is a schematic diagram of the power unit of the electric assist bicycle of the present invention.

Fig. 3 is a partially enlarged schematic view of the electric assist bicycle of the present invention.

FIG. 4 is a schematic block diagram of the electric assist bicycle of the present invention.

FIG. 5 is a schematic block diagram of the electric assist bicycle system of the present invention.

In the following description, if it is pointed out that please refer to the specific drawing or as shown in the specific drawing, it is only used to emphasize in the subsequent description, most of the relevant content mentioned appears in the specific drawing, It is not intended, however, to limit the ensuing description to only those particular drawings referred to.

Please refer to FIGS. 1 to 3 together. FIG. 1 is a schematic diagram of the electric assisted bicycle of the present invention, FIG. 2 is a schematic diagram of the power device of the electric assisted bicycle of the present invention, and FIG. 3 is a partially enlarged schematic diagram of the electric assisted bicycle of the present invention . The electric assisted bicycle 100 of the present invention comprises: a vehicle frame 1, a power unit 2, a seat tube 3, a seat cushion 4, a weight sensing package 5, a processing device 6, a front wheel 7, a rear wheel 8, a power Device 9, a handle 10 and a brake assembly 11.

The power unit 2 and the seat tube 3 are arranged on the frame 1 . The seat cushion 4 is arranged at the end of the seat tube 3 . The weight sensing kit 5 is disposed in the seat tube 3 . The processing device 6 is arranged on the vehicle frame 1 . The power device 9 is arranged on the vehicle frame 1 , and the power device 9 is electrically connected to the power device 2 and the processing device 6 . The power device 9 is used to provide the power required for the operation of the power device 2 and the processing device 6 . The handle 10 and the brake assembly 11 are disposed on the frame 1 . The front wheel 7 and the rear wheel 8 are arranged on the vehicle frame 1 . The electric assisted bicycle 100 of the present invention can also include relevant electronic components, mechanism components, etc. included in existing electric assisted bicycles according to requirements, for example, the electric assisted bicycle 100 can also include a manual transmission system or an electronic transmission system.

As shown in FIGS. 1 and 2 , the power device 2 includes a driving module 21 , two cranks 22 , a chainring 23 and a center shaft 24 . It should be noted that, here, only the components most relevant to the present invention in the power device 2 will be described, but the specific components included in the power device 2 are not limited thereto. For example, the power device 2 can also be Contains two clutches and a reducer.

Two ends of the center shaft 24 are connected to two cranks 22 , and the other end of each crank 22 is used to connect to a pedal 12 . When the user steps on the pedal 12 to rotate the two cranks 22 , the central shaft 24 will drive the chainring 23 to rotate, and the chainring 23 will drive the rear wheel 8 to rotate through the chain. The driving module 21 can be controlled to drive the toothed disc 23 to rotate. The processing device 6 is electrically connected to the driving module 21 of the power device 2 , and the processing device 6 can control the driving module 21 to operate. The driving module 21 includes a motor, for example.

The processing device 6 can control the power unit 2 to switch between multiple different power assist modes. For example, the power assist mode can include a no assist mode, a 20% power assist mode, a 40% power assist mode, and a 60% power assist mode. % power assist mode, an 80% power assist mode and a pure electric mode. The 20% power assist mode, the 40% power assist mode, the 60% power assist mode and the 80% power assist mode referred to here may vary according to requirements, and these percentages are just one example.

When the power device 2 is controlled to be in the non-assist mode, the power device 2 will not control the driving module 21 to act, and the power source of the electric assist bicycle 100 is only from the pedaling of the user.

When the power unit 2 is controlled to be in the pure electric mode, the processing device 6 will control the driving module 21 of the power unit 2 to actuate, and the driving module 21 will drive the gear plate 23 to rotate, but the driving module 21 will not drive the center shaft 24 Rotate (for example, through the setting of the clutch), at this time, the power source of the electric assist bicycle 100 will come from the drive module 21, and the user does not need to step on it at all.

When the power device 2 is controlled to be in the 20% power assist mode, 40% power assist mode, 60% power assist mode or 80% power assist mode, the processing device 6 will control the driving module 21 to provide corresponding auxiliary power to the chainring 23, so that the chainring 23 rotates. At this time, the user can make the electric assist bicycle 100 reach the required speed under relatively easy stepping. More specifically, when the power device 2 is in the power assist mode with different percentages, the processing device 6 controls the driving module 21 (such as a motor) to drive the toothed plate 23 to rotate at different speeds, and the user can obtain different percentages of power assist mode. Auxiliary riding effect.

In practical applications, the electric assisted bicycle 100 can also include a mode switching device 13, and the mode switching device 13 can include a processor 131 (such as various microprocessors) and a plurality of operating parts 132 (such as physical buttons, touch buttons, etc.) control panel, etc.), and when any one of the operating elements 132 is operated, the processor 131 will generate a corresponding switching signal 1311, and the switching signal 1311 will be transmitted to the processing device 6. After the processing device 6 receives the switching signal 1311, it will be able to The switching signal 1311 corresponds to controlling the power device 2 to switch between different power assist modes.

The weight sensing set 5 is used for setting on the seat tube 3 , and the weight sensing set 5 can measure the weight of the user sitting on the seat cushion, so as to generate a weight information 51 correspondingly. The weight sensing package 5 may, for example, include a fixed structure (such as a structure roughly corresponding to the internal appearance of the seat tube 3), a column load sensor and a communication unit (such as various wireless communication chips, etc.); A part of the load sensor is exposed on the seat tube 3 and connected to the seat cushion 4 , thereby sensing the weight of the user sitting on the seat cushion 4 to generate the weight information 51 correspondingly. The communication unit can be arranged on the circuit board, for example, and the communication unit can transmit the weight information 51 to the processing device 6 in a wireless direction. The mechanism and electronic components included in the weight sensing kit 5 are not limited to the above description. Any kit that can be arranged in the seat tube 3 and measure the weight of the user on the seat cushion 4 should be It belongs to the scope that the weight sensing kit 5 of the present invention can be implemented.

The processing device 6 may, for example, include a processor 61, a storage 62 and a communication unit 63, the processor 61 is electrically connected to the storage 62, and the processor 61 can communicate with the weight sensing package 5 through the communication unit 63, so as to The weight information 51 transmitted by the weight sensing kit 5 is received. When the processing device 6 receives the weight information 51, it can judge the user who is currently sitting on the cushion 4 based on the weight information 51, and accordingly control the power device 2 to switch to the power assist mode that is commonly used by the user. That is to say, after the relevant user sits on the seat cushion 4, the user does not need to reset the power assist mode of the power device 2, and the processing device 6 will control the power device 2 to switch to the current user's favorite mode through the weight information 51. The power assist mode, for this reason, can allow users to have a better experience.

In one specific embodiment, the electric assisted bicycle 100 may further include a display device 14 , the display device 14 is used to be arranged on the frame 1 , and the processing device 6 is electrically connected to the display device 14 . The memory 62 of the processing device 6 can store at least one piece of user information 621 , and the user information 621 can include a user data 6211 , a weight data 6212 and an auxiliary mode data 6213 .

In practical applications, the electric assist bicycle 100 may further include an operating device 15 , and the operating device 15 is electrically connected to the processing device 6 . The operating device 15 can be operated to generate the user data 6211, the weight data 6212 and the auxiliary mode data 6213, and the processing device 6 can receive the user data 6211, the weight data 6212 and the auxiliary mode data transmitted by the operating device 15 6213, and store it as a piece of user information 621.

In different embodiments, the user can also operate the operating device 15 to make the operating device 15 generate an operation information 151, and when the processing device 6 receives the operation information 151, it will control the weight sensing kit 5 to generate an instant weight information 52, and the processing device 6 stores the real-time weight information 52 as weight data 6212 of a piece of user information 621. That is to say, the weight data 6212 in the user information 621 can be input by the user through the operating device 15 , or the user can measure the weight sensing kit 5 in real time by operating the operating device 15 .

In one of the specific embodiments, the above-mentioned operating device 15 and display device 14 may also be integrated into an electronic device. Preferably, the electronic device may have a touch screen. In addition, in different embodiments, the user may transmit the user data 6211, the weight data 6212 and the auxiliary mode data 6213 to the processing device through an external electronic device (such as a smart phone, a tablet computer, a remote server, etc.) 6.

When the processing device 6 receives the weight information 51, the processing device 6 can find out the corresponding user information 621 in the storage 62 according to the weight information 51, and control the display device 14 to display the user data 6211, weight At least one of the data 6212 and the auxiliary mode data 6213 , and the processor 61 will control the power device 2 to switch to the corresponding power auxiliary mode according to the auxiliary mode data 6213 in the user information 621 .

As shown in Fig. 1 and Fig. 3, when the user sits on the electric assisted bicycle 100 of the present invention, the user will be able to see in the display screen 141 of the display device 14, such as "user: USER1", "weight : 70KG" and "Power Assist Mode: Pure Electric Mode" or corresponding patterns, at the same time, the processing device 6 will control the power device 2 to switch to the pure electric mode, and the user will not need to switch through the operation mode additionally device 13 to switch the current power assist mode of the power device 2 .

In one of the specific embodiments, the power device 2 may also include a torque sensor 16, the torque sensor 16 can sense the torque of the center shaft 24, and correspondingly generate a torque information 161, and the processing device 6 can receive the torque information 161, and the processing device 6 can control the power device 2 to switch to the corresponding power assist mode according to the weight information 51 when the torque value of the center shaft 24 of the power device 2 exceeds a predetermined value according to the torque information 161.

As mentioned above, for example, assuming that there is no pure electric mode in the power assist mode of the power unit 2, but there are only power assist modes with different percentages, then the processing device 6 may determine that the torque of the center shaft 24 exceeds a predetermined value, According to the weight information 51, the power unit 2 is controlled to switch to the power assist mode that the user is accustomed to. In this way, when the user is riding on an uphill section and the torque value of the central shaft 24 exceeds a predetermined value, the user will not need to switch through the operation mode The device 13 is used to change the current power assist mode of the power device 2, and the processing device 6 will directly switch the power device 2 to the corresponding power assist mode according to the weight information 51.

It is worth mentioning that, in one of the preferred embodiments, the processing device 6 can control the weight sensing kit 5 to generate the weight information 51 when the two cranks 22 of the power device 2 rotate in response to the user's pedaling , and the processing device 6 controls the power device 2 to switch to the corresponding power assist mode according to the weight information 51 transmitted by the current weight sensing kit 5, so that the user sitting on the cushion 4 can be sensed more accurately the weight of. But not limited to this.

As shown in FIG. 5 , it is a schematic block diagram of the electric assist bicycle system of the present invention. Power assist bicycle system 200 is suitable for use with a power assist bicycle, power assist bicycle The system 200 includes a weight sensing package 201 and a processing device 202 . The weight sensing set 201 and the processing device 202 of this embodiment are the same as the weight sensing set 5 and the processing device 6 of the foregoing embodiment, and will not be repeated here. In practical applications, the electric assisted bicycle system 200 may also include the mode switching device 13 , the operating device 15 and the torque sensor 16 of the above-mentioned embodiments, which are not limited here.

In summary, the electric assisted bicycle and the electric assisted bicycle system of the present invention are designed through the weight sensing kit and the processing device. When the user sits on the seat cushion, the processing device will automatically switch the power device to the user The commonly used power assist mode, and the user does not need to manually operate related devices, so that the user experience can be greatly improved. Especially when the user is riding on an uphill section, the user does not need to manually control the power device to switch to a specific power assist mode, so the user can have a better experience.

The above descriptions are only preferred feasible embodiments of the present invention, and do not limit the patent scope of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the scope of protection of the present invention. .

100: electric assist bicycle

2: power unit

21: Drive module

5: Weight Sensing Kit

51: Weight information

52: Real-time weight information

6: Processing device

61: Processor

62: Storage

621: user information

6211: user profile

6212: Weight information

6213: Auxiliary mode information

63: Communication unit

13: Mode switching device

131: Processor

1311: switch signal

14: Display device

15: Operating device

151: Operation information

16: Torque sensor

161:Torque Information

Claims (9)

An electric assisted bicycle system, which is suitable for an electric assisted bicycle, the electric assisted bicycle includes a frame, a power device, a seat tube and a seat cushion, the power device and the seat tube are arranged on the frame , the seat cushion is arranged at the end of the seat tube, the electric assisted bicycle system includes: a weight sensing kit, which is used to set on the seat tube, and the weight sensing kit can measure the energy of sitting on the seat tube The weight of the user on the seat cushion is used to generate weight information correspondingly; a processing device is used to be arranged on the vehicle frame, the processing device is electrically connected to the power device, and the processing device can receive the weight The weight information transmitted by the sensing kit, and the processing device can control the power device to switch to a corresponding power assist mode according to the weight information; mode, different auxiliary power will be provided for a chainring of the power device; wherein, the electric assisted bicycle system also includes an operating device, which is electrically connected to the processing device, and the operating device can be operated to Generate an operation information; the processing device can receive the operation information, and accordingly control the weight sensing package to generate a real-time weight information, and the processing device can store the real-time weight information as a piece of the The weight data described in the user information. The electric assisted bicycle system according to claim 1, wherein the processing device includes a processor and a storage, the processor is electrically connected to the storage, and the storage stores at least one piece of user information, The user information includes a user data, a weight data and an auxiliary mode data; the electric assist bicycle system also includes a display device, the display device set on the vehicle frame, the processing device is electrically connected to the display device, and the processing device can find out the corresponding user information in the storage according to the weight information, and control the The display device displays at least one of the user data, the weight data, and the auxiliary mode data in the user information, and the processor will use the auxiliary mode data in the user information , controlling the power device to switch to the corresponding power assist mode. The electric assisted bicycle system according to claim 1, wherein the processing device can control the weight sensing kit to generate the weight information when the two cranks of the power device rotate in response to pedaling by the user, The processing device can control the power device to switch to the corresponding power assist mode according to the weight information. The electric assisted bicycle system according to claim 1, wherein the power device includes a torque sensor, and the torque sensor can sense the torque of a center shaft of the power device and generate a corresponding torque information , the processing device can receive the torque information, and the processing device can control the weight information based on the torque information when the torque value of the center shaft of the power device exceeds a predetermined value. The power unit is switched to the corresponding power assist mode. An electric assisted bicycle, which includes: a vehicle frame; a power unit, which is arranged on the vehicle frame, and the power unit includes a drive module, two cranks, a chainring and a central shaft, and the two ends of the central shaft Two cranks are connected, and the other end of each crank is used to connect a pedal, and the driving module can be controlled to drive the chainring to rotate; a pipe, which is arranged on the frame; a seat cushion, it is arranged at the end of the seat tube; A weight sensing kit, which is used to be arranged on the seat tube, and the weight sensing kit can measure the weight of the user sitting on the cushion, so as to generate a weight information correspondingly; a processing device, which is used for The processing device is electrically connected to the power device, the processing device can receive the weight information transmitted by the weight sensing kit, and the processing device can according to the weight Information, control the power device to switch to a corresponding power assist mode; wherein, the power device will provide different auxiliary power for the chainring of the power device in different power assist modes; wherein , the electric assisted bicycle system also includes an operating device, which is electrically connected to the processing device, and the operating device can be operated to generate an operation information; the processing device can receive the operation information and control it accordingly The weight sensing unit generates real-time weight information, and the processing device can store the real-time weight information as the weight data in the user information. The electric assisted bicycle according to claim 5, wherein the processing device includes a processor and a storage, the processor is electrically connected to the storage, and the storage stores at least one piece of user information, so The user information includes a user data, a weight data and an auxiliary mode data; the electric assisted bicycle also includes a display device, which is used to be arranged on the frame, and the processing device is electrically connected to the display device , the processing device can find out the corresponding user information in the storage according to the weight information, and control the display device to display the user data and the weight in the user information. data and at least one of the auxiliary mode data, and the processor will control the power device to switch to the corresponding power according to the auxiliary mode data in the user information Assist mode. The electric assisted bicycle according to claim 6, wherein the electric assisted bicycle further comprises a mode switching device electrically connected to the processing device; the mode switching device can be operated to switch the current state of the power device The power assist mode; the mode switching device can be operated and correspondingly generate a switching signal; the processing device can receive the switching signal, and control the power device according to the switching signal, in different power assist modes to switch between. The electric assisted bicycle according to claim 5, wherein the processing device is capable of controlling the weight sensing package to generate the weight information when the two cranks of the power device rotate in response to pedaling by the user , and the processing device can control the power device to switch to the corresponding power assist mode according to the weight information. The electric assisted bicycle as described in claim 5, wherein, the power device includes a torque sensor, the torque sensor can sense the torque of the central shaft, and generate a corresponding torque information, and the processing device The torque information can be received, and the processing device can control the weight sensing package to generate the weight information when the torque value of the central shaft of the power device exceeds a predetermined value according to the torque information, The processing device can control the power device to switch to the corresponding power assist mode according to the weight information.

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