Ankle type step counter based on single-shaft micro-mechanical accelerometer
A technology for accelerometers and pedometers, which is applied to measuring devices, instruments, surveying and navigation, etc., can solve problems such as complex calculation methods, high costs, and complex structures of 3-axis MEMS micro-mechanical accelerometers, and achieve simple measurement methods, Low cost, the effect of eliminating external vibration interference
Inactive Publication Date: 2016-09-21
UNISPLENDOUR CO LTD
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Abstract
The invention relates to an ankle type step counter based on a single-shaft micro-mechanical accelerometer, belonging to the technical field of detection of human motion information. The ankle type step counter comprises a shell, a circuit board, a single-shaft acceleration sensor, a Bluetooth module and a Bluetooth antenna, wherein the shell is worn on an ankle by virtue of an ankle strip, the circuit board is fixed on the shell, and electronic components including the single-shaft acceleration sensor, the Bluetooth module and the Bluetooth antenna are fixed on the circuit board; and a signal output end of the single-shaft acceleration sensor is connected with a signal input end of a single chip microcomputer in the Bluetooth module, and a radio-frequency signal output end of the Bluetooth module is connected with a signal input end of the Bluetooth antenna. According to the ankle type step counter, the step is counted by directly detecting the impacting number of times between the sole of a foot and the ground, the single-shaft acceleration sensor approaches a vibration source, and then the attenuation of a human body to the vibration of the sole of the foot is substantially reduced, so that the detection sensitivity is improved, and the anti-interference capacity is relatively strong.
Application Domain
Distance measurement
Technology Topic
AccelerometerComputer science +13
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