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Exercise heart rate measure method and wearable devices with it

A measurement method and motion frequency technology, applied in diagnostic recording/measurement, medical science, sensors, etc., can solve problems such as low accuracy of heart rate, large noise interference, and easy interference of ECG signals

Inactive Publication Date: 2016-09-14
SKY LIGHT ELECTRONICS SHENZHEN
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Problems solved by technology

The oximeter is mainly suitable for static heart rate measurement, therefore, the accuracy of heart rate measurement during exercise is not high
In addition, the sports chest strap uses the principle of ECG measurement. Since the ECG signal on the body surface is relatively weak, the electrodes used in the sports chest strap are relatively large, and the sports chest strap needs to be close to the skin, so that it is uncomfortable to wear, and the heart rate is detected. The electrical signal is susceptible to interference, and the accuracy of the measured heart rate is not high
In addition, the small size of the sports earbuds, therefore, the signal strength is weak, so that the accuracy of the measured heart rate is not high
In addition, the sports wristband is subject to relatively large noise interference during exercise. For this reason, the Fourier transform is used to suppress the noise interference. However, the Fourier transform has a large amount of calculation, so that it is not suitable for the embedded system of the sports wristband middle

Method used

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  • Exercise heart rate measure method and wearable devices with it
  • Exercise heart rate measure method and wearable devices with it
  • Exercise heart rate measure method and wearable devices with it

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0042] Such as figure 1As shown in , it is a schematic diagram of functional modules of a wearable device in an implementation manner. The wearable device includes a first acquisition module 1, a second acquisition module 2, a first peak detection module 3, a second peak detection module 4, an acquisition module 5, a heart rate weight calculation module 6, an exercise weight calculation module 7, a first probability A density processing module 8 , a second probability density processing module 9 , an average value calculation module 10 , a heart rate calculation module 11 , an adjustment module 13...

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Abstract

An exercise heart rate measure method and a wearable devices with it. The exercise heart rate measure method includes the steps of presetting a heart rate zone including several sub heart rate zones Bi. performing peak value detection to collected heart rate signal and exercise signal to obtain heart frequency, first frequency spectrum peak values, exercise frequency and second frequency spectrum peak values, calculating the first frequency spectrum peak values and the second frequency spectrum peak values to obtain heart rate weight C1 and exercise weight C2, performing ferquency distribution treatment to the heart rate frequency and hte exercise frequency within the preset time according to the preset heart rate zone to obtain heart rate frequency probability density P (Qi) in every sub heart rate zone Bi, and exercise frequency probability density P (Gi); calculating the heart rate on the basis of the P (Qi), the P (Gi) and average value thereof, the C1 and the C2 as input quantities for weighted average calculation.

Description

technical field [0001] The invention relates to the technical field of mobile health, in particular to a method for measuring exercise heart rate and a wearable device thereof. Background technique [0002] Existing wearable devices for measuring heart rate mainly include oximeters, sports chest straps, sports earplugs and sports wristbands. The oximeter is mainly suitable for static heart rate measurement, therefore, the accuracy of heart rate measurement during exercise is not high. In addition, the sports chest strap uses the principle of ECG measurement. Since the ECG signal on the body surface is relatively weak, the electrodes used in the sports chest strap are relatively large, and the sports chest strap needs to be close to the skin, so that it is uncomfortable to wear, and the heart rate is detected. Electrical signals are susceptible to interference, and the accuracy of the measured heart rate is not high. In addition, the sports earbuds are small in size, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0245A61B5/11
CPCA61B5/0245A61B5/11A61B5/6802A61B5/7225A61B5/7271A61B5/742
Inventor 杜凯萌傅荃炜邓志强
Owner SKY LIGHT ELECTRONICS SHENZHEN
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