To provide a displacement measuring device which can eliminate routing of a complicated wiring for measuring a compression state (displacement) of a plurality of positions corresponding to a load.SOLUTION: A displacement detecting device 1 comprises: a plurality of reflection members 12 arranged on a detection target; a signal source 21 which transmits a wave of a prescribed frequency which can pass a human body, to each of the reflection members 12; a transmission antenna 22; a reception antenna 23 for receiving the wave which is reflected by each of the plurality of reflection members 12 and returns; a mixer 24; a distance calculating part 25 for calculating distance information to the plurality of reflection members 12 on the basis of time information until the transmitted wave returns; and a displacement distribution measuring part 30 for calculating a displacement amount of each reflection member 12 out of the plurality of reflection members, on the basis of the distance information.SELECTED DRAWING: Figure 1

    【課題】荷重に応じた複数箇所の加圧状態(変位)を測定するための煩雑な配線の引き回しが不要な変位測定装置を提供すること。【解決手段】変位検出装置1は、検出対象物に配置された複数の反射部材12と、複数の反射部材12のそれぞれに向けて、人体を通過可能な所定周波数の電波を送信する信号源21、送信アンテナ22と、複数の反射部材12のそれぞれによって反射されて戻ってくる電波を受信する受信アンテナ23、ミキサ24と、送信された電波が戻ってくるまでの時間情報に基づいて複数の反射部材12までの距離情報を算出する距離算出部25と、距離情報に基づいて、複数の反射部材12のそれぞれの変位量を算出する変位分布測定部30とを備えている。【選択図】図1


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    Title :

    DISPLACEMENT MEASURING DEVICE


    Additional title:

    変位測定装置


    Contributors:

    Publication date :

    2021-09-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / G01S RADIO DIRECTION-FINDING , Funkpeilung



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