TW201910200A - Self-powered automatic derailleur device of bicycle capable of generating power automatically during pedaling of a bicycle - Google Patents

Abstract

The present invention provides a self-powered automatic derailleur device of a bicycle, which is mainly provided with a derailleur. A fixing base of the derailleur is mounted on a frame of the bicycle by a fixing component. The fixing seat is provided with a control unit. The control unit is provided with a servo motor, a battery, a first circuit board and a speed sensor. The servo motor is provided with a driving link bar which is disposed outside the control unit. The driving link bar is connected with a driven link bar, the driven link bar is coupled to a steering arm of the derailleur. The first circuit board is provided with a microprocessor and a memory unit. The derailleur is further provided with a positioning base, the positioning base is provided with a steering guide wheel and a tension guide wheel. A power generator is disposed on the positioning base, the rotating shaft of the power generator is a shaft of the steering guide wheel or a shaft of the tension guide wheel, the power generator is provided with a first transmission line for electrically connecting to the first circuit board of the control unit. In this way, the power generator is used as a multi-purpose sensor of the automatic derailleur device, and the speed sensor, the control unit, the battery and the power generator are integrated in the automatic derailleur device. As long as pedaling the bicycle, power can be generated and supplied to the automatic derailleur device for automatic gear shifting.

Description

Bicycle self-powered automatic transmission

The invention relates to a self-powered automatic transmission device for bicycles, in particular to a self-powered automatic transmission device which can be assembled on a bicycle frame, and uses a generator as a multi-purpose sensor for an automatic transmission device, and the speed sensor is used. The control unit, the battery and the generator are integrated in the automatic transmission. As long as the bicycle has a pedaling ride, it can supply power to the automatic transmission for automatic shifting.

According to the bicycle, the bicycle has the functions of transportation and fitness, so it is loved by many people. In order to make riding easier and smoother, most bicycles are equipped with shifting devices. Most of the bicycle shifting devices are manual shifting, and manual shifting. If the gear is changed to an unsuitable gear position, and the frequent shifting action imposes a great burden on the rider, the manual shifting device often cannot be switched to the optimal riding gear position in conjunction with the riding speed; The conventional automatic shifting technology is used in the operation of the shifting device to adjust the light and heavy gear ratio of the transmission to achieve the shifting speed based on the speed change. The user can avoid the manual shifting, and can solve the problem of being inferior to the shifter. Known bicycle automatic transmission is a decentralized installation design, need to install a variety of sensors on all parts of the bicycle, including speed sensor (mounted on the wheel), torque sensor (mounted on the pedal), return speed sensing (mounted on the front chainring), slope sensor (mounted on the body), generator (mounted on the wheel) Power supply battery equipment (mounted on the frame), etc., so the complicated wiring of the various types of sensors and power supply equipment on the bicycle caused difficulties in installation and maintenance, for a bicycle driven by human power It is too complicated, and the whole of the automatic transmission has the problems of large volume, heavy weight and battery storage, which causes great disadvantages in use and installation, and cannot be widely accepted by the market.

The main object of the present invention is to provide a self-powered automatic transmission for a bicycle, which can effectively solve the shortcomings of the conventional automatic transmission of the bicycle.

The self-powered automatic transmission of the bicycle of the present invention is mainly provided with a transmission, and the transmission is provided with a fixing seat, and the fixing seat is provided with a fixing component for mounting the fixing seat on the frame of the bicycle, the fixing seat The control unit is provided with a servo motor, a battery, a first circuit board and a speed sensor. The servo motor is provided with a transmission link, and the transmission link is disposed outside the control unit. The connecting rod is connected with a driven connecting rod, and the driven connecting rod is connected to the guiding arm of the transmission. The first circuit board is provided with a microprocessor and a memory unit, and the speed sensor is connected to the first circuit board. Electrically connected, the bicycle is provided with an induction body at a position corresponding to the speed sensor on the wheel, and the transmission is further provided with a positioning seat, and the positioning seat is provided with a guiding wheel and a force guiding wheel, and a generator The generator is disposed on the positioning base, and the rotating shaft of the generator is an axle of the guiding guide wheel or an axle of the tension guiding wheel. The generator is provided with a second circuit board, and the generator is provided with a first transmission line for providing The first circuit board is electrically connected to the control unit.

The self-powered automatic transmission device of the bicycle of the present invention, wherein the control unit can control the transmission to be non-shifted when the bicycle pedal is stepped on and the pedal is not stepped on, thereby preventing the chain from being chained and the transmission from being damaged, and avoiding The transmission is malfunctioning.

The self-powered automatic transmission device of the bicycle of the present invention, wherein the microprocessor is configured to process the shaft rotation speed of the generator and the ratio of the large gear to the guide gear to calculate the return speed, calculate the voltage of the battery, and The speed sensor senses parameters such as the driving speed of the rear wheel speed.

The self-powered automatic transmission device of the bicycle of the present invention, wherein the control unit is connected to the mobile device, wherein the memory unit of the control unit records information of the plurality of sets of shift position tables, and the user selects the suitable device through the mobile device. The best gear position table for rides can also be set and modified by the dedicated adjustment software of the mobile device to match the matching table of the riding speed and gear position that is most suitable for you, and transmitted to the memory unit for recording. Automatic shifting effect.

The self-powered automatic transmission device of the bicycle of the invention, wherein the control unit can select the gear position information of different shifting according to the state of power generation of the generator to change the frequency and speed of the operation of the transmission, thereby effectively reducing power loss and ensuring The automatic transmission continues to operate uninterruptedly.

The self-powered automatic transmission device of the bicycle of the present invention, wherein after the bicycle stops pedaling for a period of time, the control unit enters a sleep state until after being stepped on again, the generator activates to wake up the control unit, and the control unit will go before going to sleep. Recording the last gear information when the bicycle is stopped in the memory unit, when waking up, according to the last gear position recorded as the basis for shifting, reducing the shift frequency to achieve the power saving effect.

The self-powered automatic transmission of the bicycle of the present invention, wherein the control unit is provided with a second transmission line for use in connection with a mobile device or other electrical device.

The self-powered automatic transmission of the bicycle of the invention has the following advantages: 1. The invention integrates a transmission, a speed sensor, a control unit, a battery, a transmission unit and a generator into an automatic transmission, so that the overall volume is small and the weight is small. Light, does not increase the physical burden of the rider, can effectively solve the installation and weight problems. 2. The automatic transmission of the present invention can be installed on most bicycles without compatibility problems. 3. The control unit of the present invention enters the sleep state after the bicycle stops being stepped on for a period of time, thereby reducing the power loss and reducing the shift frequency, thereby achieving the power saving effect. 4. The invention utilizes a generator as a main multi-purpose sensor and generates power to the control unit for power generation to automatically shift to the optimal gear position when riding, without frequent manual adjustment of the shifting device. It can save effort and easy riding, and don't bother to think about the shifting problem in riding. Focus on road safety, reduce traffic accidents and ensure personal safety. 5. The present invention can generate electric power by itself when riding the generator, in addition to supplying power to the automatic transmission, and also providing the rider's mobile device charging demand, front and rear lamp power source or bicycle related company. The network equipment can achieve the function of positioning and anti-theft, and can effectively solve the power supply source of the bicycle.

For the purpose of the present invention, the preferred embodiments of the invention are as follows:

For the embodiment of the present invention, as shown in the first, second, third and fourth figures, the self-powered automatic transmission 1 is mainly provided with a transmission 10, and the transmission 10 is provided with a fixing seat 11 which is provided There is a fixing component 111 for assembling the fixing base 11 to the frame 20 of the bicycle 2 (as shown in the third figure). The fixing base 11 is provided with a control unit 12, and the control unit 12 is provided with a servo motor. 120, the battery 121, the first circuit board 122 and the speed sensor 123, the servo motor 120 is provided with a transmission link 124, the transmission link 124 is external to the control unit 12, the transmission link 124 is connected with The movable link 125 is connected to the guiding arm 101 of the transmission 10. The first circuit board 122 is provided with a microprocessor 126 and a memory unit 127. The speed sensor 123 is connected to the first A circuit board 122 is electrically connected to the bicycle 2, and an inductive body 24 is disposed on the wheel 21 corresponding to the speed sensor 123. The transmission 10 is further provided with a positioning seat 13, and the positioning seat 13 is provided with a guiding body. a guide wheel 131 and a force guide wheel 132, a generator 14 is The rotating shaft 140 of the generator 14 is the axle of the guiding guide wheel 131 or the axle of the tension guiding wheel 132 (the generator 14 of the embodiment is disposed on the tension guiding wheel 132). A second circuit board 141 is disposed in the device 14. The first transmission line 142 is electrically connected to the first circuit board 122 of the control unit 12, and the control unit 12 is provided with a second transmission line 128. The transmission line 128 is connected to other electrical devices on the bicycle 2 (such as the mobile device 3, the lights, etc.), and thus is a bicycle self-powered automatic transmission.

When in use, please refer to the third, fourth, fifth, and sixth figures, and the automatic transmission device 1 is directly assembled on the frame 20 of the bicycle 2 by the fixing member 111 on the fixing base 11, and the generator is 14 is mounted on one of the guide wheels 131 or the tension guide wheels 132 on the positioning seat 13. When the user is riding the bicycle 2, the front toothed disc 24 is rotated by the pedal pedal 23, and the front toothed disc 24 is rotated. The rear shifting gear 26 is rotated by the chain 25, and the guide wheel 131 on the side of the transmission 10 and the tension guide wheel 132 on the lower side are also linked by the chain 25, and the tension guide wheel 132 rotates to drive the coaxial generator. The rotation shaft 140 of the 14 rotates accordingly, and the rotation of the rotating shaft 140 is directly connected by the tension guide wheel 132, so that the generator 14 provided on the positioning seat 13 can be generated immediately, and the electric power generated by the generator 14 is generated by the internal second circuit board. The 141 is rectified and transmitted to the control unit 12 via the first transmission line 142, and the outputted power is directly supplied to the servo motor 120 in the control unit 12, the speed sensor 123, and the microprocessor 126 and the memory unit 127 on the first circuit board 122. And other components are used to control the transmission 10 The variable speed is used, and the excess power is stored and reserved by the battery 121. Therefore, when the bicycle 2 is stepped on, the power can be directly generated and supplied to the automatic transmission 1 without using a battery charging device, and when the bicycle is stepped on, There is almost no frictional resistance and pedaling loss, which can easily convert kinetic energy into electric energy, provide power to the automatic transmission device 1 on the bicycle 2, and various electric devices, and when the pedal 23 of the bicycle 2 is stepped on, the automatic transmission is performed. The control unit 12 on the device 1 can convert the positive and negative directions generated by the guide wheel 131 or the tension guide wheel 132 and the amount of electric power generated by the generator 14 into positive and negative reversal, revolving speed and torque. The parameter source serves as a basis for driving the transmission 10 to shift, and the pedaling force at the time of riding is judged by the power generation amount and the power generation size of the power generator 14, and the power is supplied and sensed by the power generator 14, and the power generator 14 is used by the first transmission line 142. The power generation information is transmitted to the microprocessor 126 and the memory unit 127 on the first circuit board 122 of the control unit 12 for information processing, thereby driving the transmission of the servo motor 120. The connecting rod 124 rotates and drives the driven link 125 to act to control the movement of the guiding arm 101 of the transmission 10 to automatically shift to the optimal gear position (as shown in the fifth and sixth figures), without being limited by the power consumption of the power supply, as long as The bicycle 2 has a pedaling ride, and can be powered by the self-powered transmission device. The invention also solves the power source of the bicycle, provides the charging requirement of the bicycle user's mobile device 3, and can also provide the power source of the front and rear lights or It is a bicycle-related networking device that meets the needs of positioning and anti-theft.

The operation flowchart of the automatic transmission device 1 of the present invention is as shown in the seventh figure. When the pedal 23 of the bicycle 2 performs the pedaling operation, the control unit 12 determines whether there is a power-on, and when it is determined that the vehicle is turned on, the hardware is started. When it is judged that it is 〞, it receives various data, and then judges whether there is a connection with the mobile device. If it is 〞, then it transmits information and receives information with the mobile device. If it is 〝, then the control unit 12 performs Parameter calculation: 1. Calculate the return speed with the shaft speed of the generator 14 and the gear ratio of the front sprocket 24 to the guide wheel 131 or the tension guide wheel 132, 2. Calculate the voltage of the battery 121, 3. Sense the rear wheel 21 Calculate the driving speed by the rotational speed, and then judge whether the shifting is needed according to the calculated parameters (such as speed). If it is 〞, then judge whether it is positive stepping. If it is 〝 no, then return to judge whether it is necessary to shut down, judge If it is positively stepping on, if it is 〞 则, then it is judged whether the power is normal. If it is 〝 〞 or 〞, then it is judged whether it is necessary to shut down, and it is judged whether the power is normal or not. If it is 〝 〞 〞 When judging whether to shut down, after switching the gear position, it will return to judge whether it is necessary to shut down. If it is 〞 〞, then the hardware will be shut down. If it is 〝 〞, then it will return to receive the data, and then the above action The automatic shifting mechanism is shown. When the pedal 23 of the bicycle 2 is stepped on in the reverse direction and the pedal 23 is not stepped on, the control unit 12 can control the transmission 10 to be non-shifting, thereby preventing the chain 25 from being disconnected and the transmission 10 from being damaged. The malfunction of the transmission 10 is avoided, so that when the user rides the bicycle 2, the automatic transmission 1 can automatically control the transmission 10 to automatically switch to the optimal gear position according to the riding speed, so that the bicycle is more relaxed and happy. .

The present invention can input a plurality of sets of shift position tables in the memory unit 127 of the control unit 12, and the control unit 12 is connected to the mobile device 3 (shown in the third figure), the memory in the control unit 12 The unit 127 records the information of the plurality of sets of shift position tables (as shown in the eighth figure, which is a seven-speed shift speed shift table), and selects an appropriate optimal gear table through the mobile device 3, for example: a chart In the A field, when the riding speed is 1-4km/hr, the transmission of the automatic transmission controls the gear in the 7th gear (the maximum gear of the rear wheel), and if the riding speed reaches 5-6km/hr, the transmission Then it will maintain the 7th gear without shifting. If the riding speed reaches 7-10km/hr, the transmission will change to 6th gear. If the riding speed is reduced from 7km/hr to 5-6km/hr, it will remain at 6th gear. When the speed is not changed, or the riding speed reaches 11-12km/hr, it will also maintain the 6th gear without shifting. When the riding speed reaches 13-16km/hr, the transmission will change to 5th gear, and so on, step by step. Bit, 〝0〞 in the chart of the eighth figure indicates that the transmission does not move, it is a buffer section, which can avoid excessive shifting during riding. The chart can be set to A: light and fast, suitable for urban cycling, seniors, students, etc., with an average speed of 10km/hr. B: general type, suitable for urban cycling, commuting to work, average speed is 20km/ Hr applies; C: strong type, suitable for suburban field, exercise fitness, average speed is above 25km/hr; D: user-defined according to riding conditions, physical fitness and bicycle type from the line; the shift position table is available The system can be set according to the different needs of the user, and the user can also adjust the corresponding table of the speed and the gear position by the mobile device 3, and upload it to the automatic transmission device 1 of the present invention through the dedicated adjustment software. The need to set the speed table suitable for you, to achieve the most suitable gear shift, making riding easier and more enjoyable.

In view of the above, the present invention has achieved the intended use and efficacy, and is more desirable and practical than the prior art, but the above embodiments are only specifically described for the preferred embodiment of the present invention. The present invention is not intended to limit the scope of the invention, and all other equivalents and modifications may be included in the scope of the invention covered by the invention.

1‧‧‧Automatic transmission

10‧‧‧Transmission

101‧‧‧guide arm

11‧‧‧ Fixed seat

111‧‧‧Fixed components

12‧‧‧Control unit

120‧‧‧Servo motor

121‧‧‧Battery

122‧‧‧First board

123‧‧‧Speed sensor

124‧‧‧Drive connecting rod

125‧‧‧Driver connecting rod

126‧‧‧Microprocessor

127‧‧‧ memory unit

128‧‧‧second transmission line

13‧‧‧ Positioning Block

131‧‧‧guide wheel

132‧‧‧Tensile guide wheel

14‧‧‧Power generator

140‧‧‧ shaft

141‧‧‧Second circuit board

142‧‧‧First transmission line

2‧‧‧Bicycle

20‧‧‧ frame

21‧‧‧ rear wheel

22‧‧‧Inductive body

23‧‧‧ pedal

24‧‧‧ front sprocket

25‧‧‧Chain

26‧‧‧ rear shifting gear

3‧‧‧Mobile devices

The first figure is a perspective view of an embodiment of the present invention. The second figure is a perspective view of another angle of an embodiment of the present invention. The third figure is a schematic view of an embodiment of the invention assembled on a bicycle. The fourth figure is an enlarged schematic view of the embodiment of the present invention assembled on the rear wheel. The fifth figure is a bottom view of the embodiment of the present invention assembled on the rear wheel. The sixth figure shows a shifting diagram of the embodiment of the present invention on the rear wheel. The seventh figure is a flow chart of the operation of the embodiment of the present invention. The eighth figure shows the shift position table of the embodiment of the present invention.

Claims (8)

The utility model relates to a self-powered automatic transmission device for bicycle, which mainly comprises a transmission, wherein the transmission is provided with a fixing seat, and the fixing seat is provided with a fixing component for mounting the fixing seat on the frame of the bicycle, the fixing seat The control unit is provided with a servo motor, a battery, a first circuit board and a speed sensor. The servo motor is provided with a transmission link, and the transmission link is disposed outside the control unit. The rod is connected with a driven link, and the driven link is connected to the guiding arm of the transmission. The first circuit board is provided with a microprocessor and a memory unit, and the speed sensor is electrically connected to the first circuit board. Sexually connected, the bicycle is provided with an induction body at a position corresponding to the speed sensor on the wheel, and the transmission is further provided with a positioning seat, and the positioning seat is provided with a guiding wheel and a force guiding wheel, and a generator system Provided on the positioning base, the rotating shaft of the generator is the axle of the guiding guide wheel or the axle of the tension guiding wheel, and the generator is provided with a second circuit board, and the generator is provided with a first transmission line for The first circuit board is electrically connected to the system unit. The self-powered automatic transmission of the bicycle according to claim 1, wherein the control unit controls the transmission to be non-shifted when the pedal of the bicycle is stepped on and the pedal is not stepped on. The self-powered automatic transmission device for bicycles according to claim 1, wherein the microprocessor is configured to process the shaft rotation speed of the generator and the ratio of the large gear and the guide gear to calculate the return speed, and calculate The voltage of the battery and the parameter of the driving speed of the wheel speed sensed by the speed sensor are calculated. The self-powered automatic transmission of the bicycle according to claim 1, wherein the control unit is connected to the mobile device, and the memory unit in the control unit records information of the plurality of sets of shift position tables through the action. The device to select the appropriate best gear table. The self-powered automatic transmission device for bicycles according to claim 4, wherein the special adjustment software of the mobile device can automatically set and modify the corresponding table of the optimum riding speed and gear position, and transmit to the corresponding table. Recorded in this memory unit. The self-powered automatic transmission of the bicycle according to the fourth aspect of the invention, wherein the control unit selects different shift gear table information according to the power generation state of the generator to change the frequency and speed of the transmission. The self-powered automatic transmission of the bicycle according to the first aspect of the invention, wherein the control unit enters a sleep state after the bicycle stops being stepped on for a period of time, and the generator is activated to wake up the control unit after being stepped on again. The control unit records the last gear position information when the bicycle is stopped in the memory unit before entering the sleep state, and records the basis for the shifting according to the last gear position when waking up. The self-powered automatic transmission of the bicycle according to claim 1, wherein the control unit is provided with a second transmission line for use in connection with the mobile device and other electrical devices.