A sports pulley signal sensing device includes a flywheel mounted on an exercise equipment. A pulley is mounted on the flywheel and has a mounting area. A strain module is mounted in the mounting area of the pulley and configured to sense the deformation of the pulley during rotation.
Legal claims defining the scope of protection, as filed with the USPTO.
. A sports pulley signal sensing device comprising:
. The sports pulley signal sensing device as claimed in, wherein the mounting area () is recessed within the pulley (), the mounting area () has a second transmission part () and an accommodation groove (), the second transmission part () is located at a center position of the pulley () and includes a plurality of ribs () extending outward, each rib () is connected to an inner wall of the accommodation groove (), each rib () has a first surface () and a second surface (), the strain module () has a plurality of first strain gauges (), each first strain gauge () is mounted on the first surface ().
. The sports pulley signal sensing device as claimed in, wherein the mounting area () is recessed within the pulley (), the mounting area () has a second transmission part () and an accommodation groove (), the second transmission part () is located at a center position of the pulley () and includes a plurality of ribs () extending outward, each rib () is connected to an inner wall of the accommodation groove (), each rib () has a first surface () and a second surface (), the strain module () has a plurality of second strain gauges (), each second strain gauge () is mounted on the second surface ().
. The sports pulley signal sensing device as claimed in, wherein the mounting area () is recessed within the pulley (), the mounting area () has a second transmission part () and an accommodation groove (), the second transmission part () is located at a center position of the pulley () and includes a plurality of ribs () extending outward, each rib () is connected to an inner wall of the accommodation groove (), and each rib () has a first surface () and a second surface (), the strain module () has a plurality of third strain gauges () and fourth strain gauges (), each third strain gauge () and each fourth strain gauge () are respectively mounted on the first surface () and the second surface ().
. The sports pulley signal sensing device as claimed in, wherein the mounting area () is recessed within the pulley (), the mounting area () has a second transmission part () and an accommodation groove (), the second transmission part () is located at a center position of the pulley () and includes a receiving surface () extending outward, the receiving surface () is connected to an inner wall of the accommodation groove (), the receiving surface () has a plurality of receiving holes (), the strain module () has a plurality of fifth strain gauges (), each fifth strain gauge () is mounted in each receiving hole ().
. The sports pulley signal sensing device as claimed in, wherein the flywheel () has a first transmission part () connected to the second transmission part ().
. The sports pulley signal sensing device as claimed infurther comprising a transmission module (), the transmission module () mounted on the second transmission part () of the pulley ().
. The sports pulley signal sensing device as claimed infurther comprising a wireless power supply unit () and a power unit (), the wireless power supply unit () being a resonant wireless power supply, configured to wirelessly transmit power to the power unit ().
. The sports pulley signal sensing device as claimed in, wherein the wireless power supply unit () has electrically connected wireless charging receiver and wireless charging transmitter.
. The sports pulley signal sensing device as claimed infurther comprising a first cover (), a second cover () and a third cover (), the first cover (), the second cover () and the third cover () enclose the wireless power supply unit () and the power unit () therein to prevent damage to the wireless power supply unit () and the power unit ().
. The sports pulley signal sensing device as claimed in, wherein the power unit () is a USB device or battery.
. The sports pulley signal sensing device as claimed in, wherein the wireless power supply unit () is a power generation device (), the power generation device () is integrated with the flywheel (), and the power generation device () is adapted to be used for other electronic devices.
. The sports pulley signal sensing device as claimed infurther comprising a control module (), the control module () electrically connected to the strain module () and the transmission module () respectively, the control module () having a Wheatstone bridge unit () for signal transmission, an analog-to-digital conversion unit (), a processing unit (), a first display unit () and a second display unit (), the strain module () sensing the deformation of the pulley () during rotation and generating a stress signal by the Wheatstone bridge unit () and the analog-to-digital conversion unit (), the first display unit () displaying data from the processing unit (), the second display unit () receiving the stress signal through the transmission module ().
. The sports pulley signal sensing device as claimed in, wherein the second display unit () is a bike computer, a smartphone, a network gateway, a cloud or a wireless network receiver.
. The sports pulley signal sensing device as described infurther comprising a wearable device () having an ID identification code, the wearable device () is adapted to be worn on a user's left hand, right hand, left foot, or right foot, the ID identification code is used to determine a wearing position of the wearable device () to obtain an exercise amount of the user's left foot or right foot, and further calculate a percentage of work done by the left and right feet.
. The sports pulley signal sensing device as claimed in, wherein the exercise equipment () is a treadmill, a stepper (), a non-motorized treadmill, a rowing machine, a spin bike, a fan bike or a recumbent bike.
Complete technical specification and implementation details from the patent document.
The present invention relates to the technical field of exercise equipment, and more particularly to a sports pulley signal sensing device.
In recent years, with the rise of sports and fitness trends, most people either go to gyms or purchase exercise equipment for home workouts. Traditional treadmills typically install numerous strain gauges on the running deck. When users step on it, each strain gauge senses the strain and calculates the force applied to the flywheel, allowing users to adjust exercise intensity to achieve fitness effects. Therefore, how to design a system that can conveniently assemble strain gauges with the flywheel of exercise equipment while maintaining good sensing performance has become the most important issue at present.
The present invention intends to provide a sports pulley signal sensing device to eliminate the shortcomings mentioned above.
The present invention relates to a sports pulley signal sensing device and comprises a flywheel, a pulley and a strain module. The flywheel is mounted on an exercise equipment. The pulley is mounted on the flywheel and has a mounting area. The strain module is mounted in the mounting area of the pulley and senses a deformation of the pulley during rotation.
Preferably, the mounting area is recessed within the pulley, and the mounting area has a second transmission part and an accommodation groove. The second transmission part is located at a center position of the pulley and includes a plurality of ribs extending outward. Each rib is connected to an inner wall of the accommodation groove. Each rib has a first surface and a second surface. The strain module has a plurality of first strain gauges, and each first strain gauge is mounted on the first surface.
Preferably, the mounting area is recessed within the pulley, and the mounting area has a second transmission part and an accommodation groove. The second transmission part is located at a center position of the pulley and includes a plurality of ribs extending outward. Each rib is connected to an inner wall of the accommodation groove. Each rib has a first surface and a second surface. The strain module has a plurality of second strain gauges, and each second strain gauge is mounted on the second surface.
Preferably, the mounting area is recessed within the pulley, and the mounting area has a second transmission part and an accommodation groove. The second transmission part is located at a center position of the pulley and includes a plurality of ribs extending outward. Each rib is connected to an inner wall of the accommodation groove. Each rib has a first surface and a second surface. The strain module has a plurality of third strain gauges and fourth strain gauges. Each third strain gauge and each fourth strain gauge are respectively mounted on the first surface and the second surface.
Preferably, the mounting area is recessed within the pulley, and the mounting area has a second transmission part and an accommodation groove. The second transmission part is located at a center position of the pulley and includes a receiving surface extending outward. The receiving surface is connected to an inner wall of the accommodation groove. The receiving surface has a plurality of receiving holes. The strain module has a plurality of fifth strain gauges, and each fifth strain gauge is mounted in each receiving hole.
The primary object of the present invention is to provide a system for exercise equipment that can accurately and effectively measure the force applied by users to the flywheel, thereby achieving high-quality requirements.
The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.
Please refer to, the sports pulley signal sensing device of the first embodiment of the present invention comprises a flywheelmounted on an exercise equipmentand having a first transmission part. In this embodiment, the exercise equipmentcan be an exercise bike, a stepper, a non-motorized treadmill, a rowing machine, a spin bike, a fan bike or a recumbent bike. A pulleyhas a mounting arearecessed within the pulley, and the mounting areahas a second transmission partand an accommodation groove. The second transmission partis located at the center position of the pulleyand assembled to the first transmission partof the flywheel. The second transmission partextends outward with a plurality of ribs, and each ribis connected to the groove wall of the accommodation groove. Each ribhas a first surfaceand a second surface(as shown in). A strain moduleis mounted in the mounting areaof the pulley. The strain modulehas a plurality of first strain gauges, a plurality of second strain gauges, a plurality of third strain gaugesand a plurality of fourth strain gauges. Furthermore, each first strain gaugeis mounted on the first surface, or each second strain gaugeis mounted on the second surface, or each third strain gaugeand each fourth strain gaugeare respectively mounted on the first surfaceand the second surface.
In use, the user wears a wearable deviceon his/her left hand, right hand, left foot, or right foot. The wearable devicehas an ID identification code, and the wearing position of the wearable deviceis determined by the ID identification code to obtain the exercise amount of the user's left foot or right foot, and further calculate the percentage of work done by the left and right feet. When the user exercises on the exercise bike, the flywheelsynchronously drives the pulleyto rotate with the first transmission partas the center, at this time the first strain gaugeto the fourth strain gaugeof the strain modulerespectively sense the deformation of the pulleyduring rotation, while the wearable devicesenses the user's exercise state (such as exercise count) and calculates the deformation and wattage values of the strain gauges during left foot/right foot exercise.
The sports pulley signal sensing device of the present invention further comprises a transmission module, a wireless power supply unitand a power unit. The transmission moduleis mounted on the second transmission partof the pulley. In this embodiment, the wireless power supply unitcan be a resonant wireless power supply for wirelessly transmitting power to the power unit. The wireless power supply unitand the power unitare enclosed within the first cover, the second coverand the third coverto prevent damage to the wireless power supply unitand the power unit. In this embodiment, the power unitcan be a USB device or battery.
Furthermore, please refer to, the wireless power supply unitof the present invention can adopt the following power generation devicefor power generation, comprising a flywheel rotor, a magnet rotorand a power generation stator. The flywheel rotorhas a bearingat its axis, the bearingis for the shaftto pass through, so that the flywheel rotorcan rotate on the shaftwith the shaftas the axis through the bearing. The magnet rotoris disposed on one side of the flywheel rotor, and is composed of a plurality of magnetsarranged around the axis of the flywheel rotorand disposed on the surface of the flywheel rotor. The plurality of magnetsare fixed or embedded on the surface of the flywheel rotor, or the plurality of magnetsare integrally formed with the flywheel rotor. The power generation statoris disposed in the direction of the side of the flywheel rotorwhere the magnet rotoris provided, and the axis of the power generation statoris disposed on the shaft. In addition, the power generation statorhas a plurality of power generation coilsdisposed on the side facing the flywheel rotor. The position and number of the plurality of power generation coilscorrespond to the position and number of the plurality of magnetsof the magnet rotor. Each power generation coilincludes an iron coreand an annular coilwrapped around the outer edge of the iron core.
Accordingly, the flywheel rotoris driven by external driving force to rotate on the shaftby using the bearing, and the plurality of magnetsof the magnet rotordisposed on the flywheel rotoralso rotate with the flywheel rotor. At this time, since the plurality of power generation coilsdisposed on the side of the power generation statorfacing the flywheel rotorcorrespond to the position and number of the plurality of magnets, when the flywheel rotordrives the plurality of magnetsto rotate, the plurality of magnetsinteract with the plurality of power generation coilsto generate magnetic field cutting changes and produce voltage and current to achieve power generation effect. In this embodiment, the power generation devicecan be integrated with the flywheel, and the power generation devicecan also be used for other electronic devices.
Furthermore, the sports pulley signal sensing device of the present invention further comprises a control modulewhich is electrically connected to the strain moduleand the transmission modulerespectively. The control modulehas a Wheatstone bridge unitfor signal transmission, an analog-to-digital conversion unit, a processing unit, a first display unitand a second display unit. The strain modulesenses the deformation of the pulleyduring rotation and after passing through the Wheatstone bridge unitand the analog-to-digital conversion unit, generates a stress signal and transmits it to the second display unitthrough the transmission module. In this embodiment, the first display unitis used to display data from the processing unit, and the second display unitcan be a bike computer, a smartphone, a wearable device, a network gateway, a cloud or a wireless network receiver.
The second embodiment of the sports pulley signal sensing device of the present invention comprises a flywheelmounted on exercise equipmentand having a first transmission part. In this embodiment, the exercise equipmentcan be an exercise bikeor a stepper. A pulleyhas a mounting arearecessed within the pulley, and the mounting areahas a second transmission partand an accommodation groove. The second transmission partis connected to the center position of the pulleyand assembled to the first transmission partof the flywheel. The second transmission partextends outward to form a full-surface receiving surface. The receiving surfaceis connected to the inner wall of the accommodation grooveand has a plurality of receiving holes(as shown in). A strain moduleis mounted in the mounting areaof the pulley, and the strain modulehas a plurality of fifth strain gauges. Furthermore, each fifth strain gaugeis mounted in each receiving holeof the receiving surface.
In use, the user wears a wearable devicewith an ID identification code on the hand or leg, when the user exercises on the exercise bike, the flywheelsynchronously drives the pulleyto rotate with the first transmission partas the center. Each strain gauge of the strain modulecan sense the deformation of the pulleyduring rotation, while the wearable devicesenses the user's exercise state and calculates the deformation and wattage values of the strain gauges during left foot/right foot exercise.
The sports pulley signal sensing device of the present invention further comprises a transmission module, a wireless power supply unitand a power unit. The transmission moduleis mounted on the second transmission partof the pulley. In this embodiment, the wireless power supply unitcan be a resonant wireless power supply for wirelessly transmitting power to the power unit, or the wireless power supply unithas electrically connected wireless charging receiver and wireless charging transmitter. The wireless power supply unitand the power unitare enclosed within the first cover, the second coverand the third coverto prevent damage to the wireless power supply unitand the power unit. In this embodiment, the power unitcan be a USB device or battery.
The sports pulley signal sensing device of the present invention further comprises a control modulewhich is electrically connected to the strain moduleand the transmission modulerespectively. The control modulehas a Wheatstone bridge unitfor signal transmission, an analog-to-digital conversion unit, a processing unitand a first display unit. The strain modulesenses the deformation of the pulleyduring rotation and after passing through the Wheatstone bridge unitand the analog-to-digital conversion unit, generates a stress signal and transmits it to the second display unitthrough the transmission module. In this embodiment, the first display unitis used to display data from the processing unit, and the second display unitcan be a bike computer, a smartphone, a wearable device, a network gateway, a cloud or a wireless network receiver.
While we have shown and described the embodiment in accordance with the present invention, it should be clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention.
Unknown
December 25, 2025
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