Intelligent measurement and control system for exercise intensity of fitness equipment
A technology of fitness equipment and exercise intensity, which is applied to gymnastics equipment, sports accessories, heavy objects, etc., can solve the problems of lack of exercise intensity, and the exercise effect cannot reach the best state.
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Embodiment 1
[0029] The exercise intensity intelligent measurement and control system for fitness equipment is applied to fitness equipment, and includes a force-strain sensing device and a life-signature sensor.
[0030] Among them, the fitness equipment can be a common elliptical machine, a spinning bike, a bird training machine, etc., and is not limited to the several fitness equipment disclosed in this application.
[0031] Specifically, the force-bearing strain sensing device includes a force-bearing structure arranged at the force-bearing surface or the force-bearing arm of the fitness equipment and a processing circuit for processing and amplifying the force-bearing change signal of the force-bearing structure. In order to obtain the force change signal generated under the action of stress and output it to the processing circuit.
[0032] Among them, the force-bearing structure includes a plurality of strain gauges 2, and the strain gauges 2 are evenly distributed on the force-beari...
Embodiment 2
[0043] As shown in 1-5, on the basis of Embodiment 1, when this embodiment is applied to the pedal of a fitness equipment, the force-bearing structure includes a pedal spindle 1 connected with the fitness equipment, and a pedal shell rotatably connected with the pedal spindle 1 The body and a plurality of strain gauges 2 arranged under the inner wall of the top of the pedal housing, each strain gauge 2 is electrically connected to the processing circuit. For fitness equipment with pedals, the strain gauge 2 is placed on the force-bearing surface of the pedal, so as to easily obtain the force change.
[0044] Specifically, the pedal housing is divided into a pedal upper cover 6 and a pedal lower cover 7 that is detachably connected to the pedal upper cover 6 . Spindle 1 is connected in rotation. A pedal gravity cover 9 is also provided on the pedal upper cover 6 , and the pedal gravity cover 9 abuts on the top of the strain gauge 2 .
[0045] In this embodiment, not only the ...
Embodiment 1 or Embodiment 2
[0048] Based on Embodiment 1 or Embodiment 2, this embodiment discloses an application example applied to a spinning bike. The force-strain sensing device of the present application is arranged on the pedal of the spinning bike, and the vital sign sensor is arranged on the handle of the spinning bike or is worn on the body of the exerciser as a wearable device, so that the damping device of the spinning bike can be controlled ( Magnetic powder controller, etc.) to achieve adjustment.
[0049] When exercising on a spinning bike, four strain gauges 2 are set inside the pedal. When the pedal is stressed, the strain gauge 2 outputs the force change signal, which is amplified by the operational amplifier and input to the single-chip microcomputer for data processing. The single-chip microcomputer outputs The exercise intensity signal is sent to the mobile APP via the Bluetooth module. Realize the measurement and control function of using strain gauge 2 to detect exercise intensity...
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