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Bedridden falling detection method, medium, equipment and device

A detection method and a technology of a detection device, which are applied in measuring devices, radio wave measurement systems, radio wave reflection/re-radiation, etc., can solve problems such as easy false alarms and poor endurance of wristbands, and achieve improved accuracy, The effect of effective detection

Inactive Publication Date: 2021-03-16
SHANDONG ACAD OF SCI INST OF AUTOMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, through wristbands and pressure mattresses; heart rate and blood pressure are monitored through wristbands. Unable to distinguish whether the person got out of bed normally or fell out of bed after getting out of bed

Method used

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  • Bedridden falling detection method, medium, equipment and device
  • Bedridden falling detection method, medium, equipment and device
  • Bedridden falling detection method, medium, equipment and device

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] In the related art, false alarms are prone to occur when detecting a fall in bed, and it is impossible to distinguish whether a person leaves the bed normally or falls in bed; according to the method for detecting a fall in bed according to an embodiment of the present invention, first, obtain the Echo signal data, and obtain the corresponding echo amplitude and first body motion power according to the echo signal data to be detected; then, determine whether the echo amplitude is greater than the preset amplitude threshold,...

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Abstract

The invention discloses a bedridden falling detection method, medium, equipment and device, and the method comprises the steps: obtaining to-be-detected echo signal data, and obtaining the corresponding echo amplitude and first body movement power according to the to-be-detected echo signal data; judging whether the echo amplitude is greater than a preset amplitude threshold value or not, and calculating corresponding body movement negative Doppler power and body movement positive Doppler power according to the first body movement power when the echo amplitude is greater than the preset amplitude threshold value; judging whether the ratio of the body movement negative Doppler power to the body movement positive Doppler power is greater than a preset ratio threshold value or not; if yes, considering that bed-ridden falling occurs, and generating corresponding alarm information. The bedridden falling behavior can be continuously and effectively detected, and the accuracy of a bedridden falling detection result is improved.

Description

technical field [0001] The invention relates to the technical field of radar detection, in particular to a bed-ridden fall detection method, a computer-readable storage medium, a computer device and a bed-ridden fall detection device. Background technique [0002] Falling in bed is a high-risk, sudden and imperceptible abnormal situation. If it is not intervened in time, it will easily lead to serious consequences. [0003] In the related art, a contact method is mostly used when detecting a fall while lying on a bed. For example, through wristbands and pressure mattresses; heart rate and blood pressure are monitored through wristbands. It is impossible to distinguish whether the person leaves the bed normally or falls in bed after leaving the bed. Contents of the invention [0004] The present invention aims to solve one of the technical problems in the above-mentioned technologies at least to a certain extent. Therefore, an object of the present invention is to provid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/04G08B21/18G01S13/50
CPCG01S13/50G08B21/0461G08B21/182
Inventor 田现忠颜广徐丽赵兴文葛兆斌
Owner SHANDONG ACAD OF SCI INST OF AUTOMATION
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