Heart rate detection method and wearable device
AssigneeGoertek Inc.
InventorXianwei Tang
Life of this patent
Estimating the term…
Abstract
Provided are a heart rate detection method and a wearable device. The wearable device includes a casing, a processor installed in the casing, and an optical heart rate sensing module and a distance sensing module connected to the processor and installed on a side of the casing facing a wearing part of a user. The method includes: detecting, by the distance sensing module, a positional relationship between the optical heart rate sensing module and the wearing part of the user to obtain relative position data of the optical heart rate sensing module relative to the wearing part of the user; and adjusting a signal transmission power of the optical heart rate sensing module according to the relative position data, and detecting, by the optical heart rate sensing module, a heart rate of the user.
Claims16
A heart rate detection method, which is applied to a wearable device, wherein the wearable device comprises a casing, a processor installed in the casing, and an optical heart rate sensing module and a distance sensing module connected to the processor and installed on a side of the casing facing a wearing part of a user;
- the method comprising:
- detecting, by the distance sensing module, a positional relationship between the optical heart rate sensing module and the wearing part of the user to obtain relative position data of the optical heart rate sensing module relative to the wearing part of the user;
- and
- adjusting a signal transmission power of the optical heart rate sensing module according to the relative position data, and detecting, by the optical heart rate sensing module, a heart rate of the user;
- wherein the relative position data of the optical heart rate sensing module relative to the wearing part of the user comprises a relative offset distance and a relative offset angle;
- the adjusting the signal transmission power of the optical heart rate sensing module according to the relative position data, and the detecting, by the optical heart rate sensing module, the heart rate of the user comprises:
- determining an attenuation coefficient corresponding to the relative offset distance according to a preset attenuation parameter adjustment rule;
- wherein, the preset attenuation parameter adjustment rule is stored in the wearable device in advance, and the preset attenuation parameter adjustment rule comprises a corresponding relationship between the relative offset distance and the attenuation coefficient;
- calculating attenuation multiple of a reflection intensity based on the attenuation coefficient and the relative offset angle;
- and
- adjusting the signal transmission power of the optical heart rate sensing module in accordance with the attenuation multiple, and detecting, by the optical heart rate sensing module, the heart rate of the user.
A wearable device, comprising a casing, a processor installed in the casing, and an optical heart rate sensing module and a distance sensing module connected to the processor and installed on a side of the casing facing a wearing part of a user;
- wherein
- the optical heart rate sensing module is used for emitting an optical signal and detecting a reflection intensity of the optical signal;
- and sending the reflection intensity to the processor;
- the distance sensing module is used for sending a positional relationship between the optical heart rate sensing module and a wearing part of the user to the processor;
- and
- the processor is used for detecting the positional relationship between the optical heart rate sensing module and the wearing part of the user according to the distance sensing module, to obtain relative position data of the optical heart rate sensing module relative to the wearing part of the user;
- and adjusting a signal transmission power of the optical heart rate sensing module according to the relative position data, and detecting the heart rate of the user through the optical heart rate sensing module;
- wherein the relative position data of the optical heart rate sensing module relative to the wearing part of the user comprises a relative offset distance and a relative offset angle;
- the adjusting the signal transmission power of the optical heart rate sensing module according to the relative position data, and the detecting, by the optical heart rate sensing module, the heart rate of the user comprises:
- determining an attenuation coefficient corresponding to the relative offset distance according to a preset attenuation parameter adjustment rule;
- wherein, the preset attenuation parameter adjustment rule is stored in the wearable device in advance, and the preset attenuation parameter adjustment rule comprises a corresponding relationship between the relative offset distance and the attenuation coefficient;
- calculating attenuation multiple of a reflection intensity based on the attenuation coefficient and the relative offset angle;
- and
- adjusting the signal transmission power of the optical heart rate sensing module in accordance with the attenuation multiple, and detecting, by the optical heart rate sensing module, the heart rate of the user.
Dependencies are inferred from the claim text.