JP2007283071A - Scale with heartbeat and respiration measuring function - Google Patents

Scale with heartbeat and respiration measuring function Download PDF

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JP2007283071A
JP2007283071A JP2006138280A JP2006138280A JP2007283071A JP 2007283071 A JP2007283071 A JP 2007283071A JP 2006138280 A JP2006138280 A JP 2006138280A JP 2006138280 A JP2006138280 A JP 2006138280A JP 2007283071 A JP2007283071 A JP 2007283071A
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respiration
heart rate
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rate
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Osamu Ikeda
修 池田
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a scale with a heartbeat and respiration measuring function, which is a scale for measuring body weight for health management of a newborn baby or an infant, measuring a heart rate and a respiration rate simultaneously. <P>SOLUTION: The scale with the heartbeat and respiration measuring function comprises a body movement sensor for detecting the body movement of a living body and outputting body movement signals to the scale, a heartbeat filtering means for extracting heartbeat signals by the heartbeat of the living body from the body movement signals, a respiration filtering means for extracting respiration signals by the respiration of the living body from the body movement signals, a heart rate computing means for calculating a heart rate on the basis of the heartbeat signals, a respiration rate computing means for calculating a respiration rate on the basis of the respiration signals, and a display means for displaying the heartbeat and the respiration rate. By this invention, in the health management by body weight measurement, the health management by the heart rate and the respiration rate can be performed further. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、生体の心拍および呼吸の計測機能を付加した体重計に関するものである。The present invention relates to a weight scale to which a function for measuring heartbeat and respiration of a living body is added.

人や動物などの生体の体重を測定するためには、体重計が使用され、さらに心拍を計測するには心電計などがあり、呼吸を計測するには呼吸計などが使用されている。In order to measure the weight of a living body such as a human being or an animal, a weight scale is used. Further, an electrocardiograph is used to measure a heartbeat, and a respirometer is used to measure respiration.

体重および心拍数と呼吸数を計測するには、別々の装置で計測しなければならないので不便である。Measuring body weight, heart rate and respiratory rate is inconvenient because it must be measured with separate devices.

そこで本発明は、体重計で体重の測定することと同時に、心拍および呼吸を計測して心拍数および呼吸数を表示する心拍呼吸計測機能付き体重計の提供を目的とする。Therefore, an object of the present invention is to provide a weight scale with a heart rate respiration measurement function that measures heart rate and respiration and displays the heart rate and respiration rate simultaneously with measuring the weight with a weight scale.

上記目的を達成するために本発明の心拍呼吸計測機能付き体重計は、生体の体重を量る体重計において、前記生体の体動を検出し体動信号を出力する体動センサと、前記体動信号から前記生体の心拍による心拍信号を抽出する心拍フィルタ手段と、前記体動信号から前記生体の呼吸による呼吸信号を抽出する呼吸フィルタ手段と、前記心拍信号を基に心拍数を算出する心拍数演算手段と、前記呼吸信号を基に呼吸数を算出する呼吸数演算手段と、前記心拍数および前記呼吸数を表示する表示手段を有することを特徴としている。In order to achieve the above object, a weight scale with a heart rate respiration measurement function of the present invention is a weight scale for measuring the weight of a living body, a body motion sensor for detecting body motion of the living body and outputting a body motion signal, and the body Heartbeat filter means for extracting a heartbeat signal based on the heartbeat of the living body from a motion signal, breathing filter means for extracting a breathing signal based on the breathing of the living body from the body motion signal, and a heartbeat for calculating a heart rate based on the heartbeat signal It has a number calculation means, a respiration rate calculation means for calculating a respiration rate based on the respiration signal, and a display means for displaying the heart rate and the respiration rate.

前記体動センサは、高分子圧電体であるポリフッ化ビニリデンの薄膜であることを特徴としている。The body motion sensor is a thin film of polyvinylidene fluoride which is a polymer piezoelectric material.

さらに、前記体重計で前記生体の体重の検出があることのもとに、前記心拍信号および前記呼吸信号の一方が消滅することで、警報音を発することおよび、公衆通信回線を通して遠隔地へ通報することの緊急通報手段を有することを特徴としている。Furthermore, when the weight of the living body is detected by the weight scale, one of the heartbeat signal and the breathing signal is extinguished so that an alarm sound is generated and a remote location is notified through a public communication line. It is characterized by having an emergency notification means.

本発明によって、体重測定による健康管理において、さらに心拍数および呼吸数による健康管理ができる。新生児や乳児などでの健康管理で体重の測定をするために体重計にのせることと、同時に心拍数および呼吸数の計測ができるので有効である。また、ベッドなどで体重の計測が継続的に行なわれる状態で、心拍数および呼吸数の監視により緊急の事態が感知できる。According to the present invention, in the health management based on the body weight measurement, the health management based on the heart rate and the respiratory rate can be further performed. This is effective because it can be placed on a scale to measure body weight in health care in newborns and infants, and at the same time it can measure heart rate and respiratory rate. In addition, an emergency situation can be detected by monitoring the heart rate and the respiratory rate in a state where weight measurement is continuously performed in a bed or the like.

本発明の心拍呼吸計測機能付き体重計を、図面を基に説明する。図１は実施例における体重計とセンサの構成概要を示す図である。人および動物などの生体の心拍および呼吸による体動を検出する体動センサ２０は、体重を量る体重計１０と重なり接する状態の一体な構造であるが、またはベッドの脚にロードセルなどによる荷重センサ１０を施し体重を量ると共に、寝具の下に体動センサ２０を分離して設置することも、体重と体動を同時に量り計測ことの基本は同じである。体重計１０に体動センサ２０を設置する位置関係は、重力の方向に対しての上下関係をどちらでもよいとする。また、体重計１０で体重を測定する場合は、基本的には身体を静止させているので、体動は、少なくとも心拍および呼吸の体動だけになる。体動センサ２０は、心拍および呼吸による体動を計測するために、フィルム状のポリフッ化ビニリデン（ＰＶＤＦ）で作られた圧電センサである。A weight scale with a heart rate respiration measurement function of the present invention will be described based on the drawings. FIG. 1 is a diagram showing a schematic configuration of a weight scale and a sensor in the embodiment. The body motion sensor 20 that detects body motion due to heartbeat and respiration of a living body such as a human being or an animal has an integral structure in a state of being in contact with the weighing scale 10 that weighs, or a load by a load cell or the like on the leg of the bed. Applying the sensor 10 to measure the weight, and separately installing the body motion sensor 20 under the bedding, the basics of measuring and measuring the body weight and the body motion at the same time are the same. The positional relationship in which the body motion sensor 20 is installed on the weight scale 10 may be either the vertical relationship with respect to the direction of gravity. Further, when the weight is measured by the weight scale 10, the body is basically stationary, so that the body movement is only at least heartbeat and breathing. The body motion sensor 20 is a piezoelectric sensor made of a film-like polyvinylidene fluoride (PVDF) in order to measure body motion due to heartbeat and respiration.

図２は、実施例における心拍と呼吸の計測概要を示すブロック図である。心拍および呼吸による体動を体動センサ１００で検出し体動信号として出力する。また、体重は、体重計２００で量り、その体重計２００の体重計表示器７００で表示する。心拍フィルタ手段３００は、体動信号から心拍信号を抽出するために、体動信号を体動信号Ａ／Ｄ変換部３１０でアナログ信号からデジダル信号へと数量化をする。このデジタル信号に変換された体動信号は、心拍フィルタ演算ＣＰＵ部３２０で演算によるフィルタ処理により選別され心拍信号として出力される。呼吸フィルタ手段４００は、体動信号から呼吸信号を抽出するために、体動信号を体動信号Ａ／Ｄ変換部４１０でアナログ信号からデジダル信号へと数量化をする。このデジタル信号に変換された体動信号は、呼吸フィルタ演算ＣＰＵ部４２０で演算によるフィルタ処理により選別され呼吸信号として出力される。FIG. 2 is a block diagram illustrating an outline of measurement of heart rate and respiration in the embodiment. Body motion due to heartbeat and respiration is detected by the body motion sensor 100 and output as a body motion signal. The body weight is measured by the weight scale 200 and displayed on the weight scale display 700 of the weight scale 200. In order to extract the heartbeat signal from the body motion signal, the heartbeat filter means 300 quantifies the body motion signal from an analog signal to a digital signal by the body motion signal A / D converter 310. The body motion signal converted into the digital signal is selected by filtering processing by the heart rate filter calculation CPU unit 320 and output as a heart rate signal. The respiratory filter means 400 quantifies the body motion signal from an analog signal to a digital signal by the body motion signal A / D conversion unit 410 in order to extract the respiratory signal from the body motion signal. The body motion signal converted into the digital signal is selected by the filtering process by calculation in the respiratory filter calculation CPU unit 420 and output as a respiratory signal.

心拍数演算手段５００の心拍数演算ＣＰＵ部５１０は、心拍信号から１分間当たりの心拍数を算出の演算をする。呼吸数演算手段６００の呼吸数演算ＣＰＵ部６１０は、呼吸信号から１分間当たりの呼吸数を算出の演算をする。表示手段８００の表示制御ＣＰＵ部８１０は、心拍数演算手段５００および呼吸数演算手段６００で算出された心拍数と呼吸数を基に、表示器８２０を制御して表示する。The heart rate calculation CPU unit 510 of the heart rate calculation means 500 calculates the heart rate per minute from the heart rate signal. The respiration rate calculation CPU unit 610 of the respiration rate calculation means 600 calculates the respiration rate per minute from the respiration signal. The display control CPU unit 810 of the display unit 800 controls and displays the display unit 820 based on the heart rate and the respiratory rate calculated by the heart rate calculating unit 500 and the respiration rate calculating unit 600.

図３は、実施例における全体構成の概要を示すブロック図である。Ａ／Ｄ変換機能を搭載した計測ＣＰＵ（中央演算処理装置）３０で構成する。体動センサ１００からの体動信号は、計測ＣＰＵ３０の体動信号Ａ／Ｄ変換部３１でアナログ信号からデジダル信号へと数量化されて体動信号データとする。数量化された体動信号データから、心拍フィルタ手段４０の心拍フィルタ用演算ソフトウエア４１の演算処理によって、心拍信号データが抽出される。心拍信号データは、心拍数演算手段５０の心拍数用演算ソフトウエア５１で１分間当たりの心拍数データが算出される。数量化された体動信号データから、呼吸フィルタ手段６０の呼吸フィルタ用演算ソフトウエア６１の演算処理によって、呼吸信号データが抽出される。呼吸信号データは、呼吸数演算手段５２の呼吸数用演算ソフトウエア５３で１分間当たりの呼吸数データが算出される。また、体重計２００の荷重センサ２１０からの体重信号は、計測ＣＰＵ３０の体重信号Ａ／Ｄ変換部３２でアナログ信号からデジダル信号へと数量化されて体重信号データとする。体重信号データから、体重演算手段５４の体重用演算ソフトウエア５５で体重値データが算出される。表示手段７０の表示用制御ソフトウエア７１は、心拍数データ、呼吸数データ、体重値データを基に、表示器７２へ表示することの制御をする。FIG. 3 is a block diagram showing an overview of the overall configuration in the embodiment. It comprises a measurement CPU (central processing unit) 30 equipped with an A / D conversion function. The body motion signal from the body motion sensor 100 is quantified from an analog signal to a digital signal by the body motion signal A / D conversion unit 31 of the measurement CPU 30 to obtain body motion signal data. Heart rate signal data is extracted from the quantified body motion signal data by calculation processing of the heart rate filter calculation software 41 of the heart rate filter means 40. As the heart rate signal data, heart rate data per minute is calculated by the heart rate calculation software 51 of the heart rate calculation means 50. Respiratory signal data is extracted from the quantified body motion signal data by arithmetic processing of the respiratory filter arithmetic software 61 of the respiratory filter means 60. Respiration rate data per minute is calculated by the respiration rate calculation software 53 of the respiration rate calculation means 52 as the respiration signal data. The weight signal from the load sensor 210 of the scale 200 is quantified from an analog signal to a digital signal by the weight signal A / D conversion unit 32 of the measurement CPU 30 to obtain weight signal data. Weight value data is calculated from the weight signal data by the weight calculation software 55 of the weight calculation means 54. The display control software 71 of the display means 70 controls the display on the display 72 based on the heart rate data, the respiratory rate data, and the weight value data.

また病の人がベッドなどに長く留まる状態においては、体重管理が困難となるので、連続して体重を量る荷重センサ２１０を設置すると共に、体動センサ１００を設置しておけば、緊急事態に対応できる。緊急通報手段８０の緊急通報用制御ソフトウエア８１は、体重計で体重の検出した体重信号データがあるもとに、心拍信号データおよび呼吸信号データのいずれかが消滅すると、緊急の事態が生じたと判断して、ブザー８２から警報音を発する。必要とするならば、公衆通信回線８３を通して遠隔地へと通報する。In addition, when a sick person stays in a bed or the like for a long time, weight management becomes difficult. Therefore, if a load sensor 210 for continuously weighing and a body motion sensor 100 are installed, an emergency situation will occur. It can correspond to. The emergency notification control software 81 of the emergency notification means 80 determines that an emergency situation has occurred when either the heart rate signal data or the respiratory signal data disappears in the presence of the weight signal data whose weight is detected by the scale. Judgment is made and a warning sound is emitted from the buzzer 82. If necessary, a remote location is notified through the public communication line 83.

本発明の心拍呼吸計測機能付き体重計は、日常、体重計で体重を量ることにおいて、心拍数、呼吸数を同時に計測できることで健康管理に有効である。さらに、病人などがベッドで体重と心拍数、呼吸数を常に量れる状態に設置すれば、緊急の事態が感知できる。また人に限らず、犬や猫などと動物も可能である。  The weight scale with a heart rate respiration measurement function of the present invention is effective for health management by being able to measure the heart rate and the respiration rate at the same time when weighing with a weight scale everyday. Furthermore, if a sick person or the like is installed in a bed where his / her weight, heart rate, and respiration rate can always be measured, an emergency situation can be detected. In addition to people, animals such as dogs and cats are also possible.

は、実施例における体重計とセンサの構成概要を示す図である。These are figures which show the structure outline | summary of the weight scale and sensor in an Example. は、実施例における心拍と呼吸の計測概要を示すブロック図である。These are block diagrams which show the measurement outline | summary of the heart rate and respiration in an Example. は、実施例における全体構成の概要を示すブロック図である。These are block diagrams which show the outline | summary of the whole structure in an Example.

符号の説明Explanation of symbols

１０ 体重計 （荷重センサ）
２０ 体動センサ
３０ 計測ＣＰＵ （Ａ／Ｄ変換機能を搭載した中央演算処理装置）
３１ 体動信号Ａ／Ｄ変換部
３２ 体重信号Ａ／Ｄ変換部
４０ 心拍フィルタ手段
４１ 心拍フィルタ用演算ソフトウエア
５０ 心拍数演算手段
５１ 心拍数用演算ソフトウエア
５２ 呼吸数演算手段
５３ 呼吸数用演算ソフトウエア
５４ 体重演算手段
５５ 体重用演算ソフトウエア
６０ 呼吸フィルタ手段
６１ 呼吸フィルタ用演算ソフトウエア
７０ 表示手段
７１ 表示用制御ソフトウエア
７２ 表示器
８０ 緊急通報手段
８１ 緊急通報用制御ソフトウエア
８２ ブザー
８３ 公衆通信回線
１００ 体動センサ
２００ 体重計
２１０ 荷重センサ
３００ 心拍フィルタ手段
３１０ 体動信号Ａ／Ｄ変換部
３２０ 心拍フィルタ演算ＣＰＵ部
４００ 呼吸フィルタ手段
４１０ 体動信号Ａ／Ｄ変換部
４２０ 呼吸フィルタ演算ＣＰＵ部
５００ 心拍数演算手段
５１０ 心拍数演算ＣＰＵ部
６００ 呼吸数演算手段
６１０ 呼吸数演算ＣＰＵ部
７００ 体重計表示器
８００ 表示手段
８１０ 表示制御ＣＰＵ部
８２０ 表示器10 Weight scale (Load sensor)
20 body motion sensor 30 measurement CPU (central processing unit equipped with A / D conversion function)
31 body motion signal A / D conversion unit 32 body weight signal A / D conversion unit 40 heart rate filter means 41 heart rate filter calculation software 50 heart rate calculation means 51 heart rate calculation software 52 respiration rate calculation means 53 respiration rate calculation Software 54 Weight calculation means 55 Weight calculation software 60 Respiration filter means 61 Respiration filter calculation software 70 Display means 71 Display control software 72 Display 80 Emergency notification means 81 Emergency notification control software 82 Buzzer 83 Public Communication line 100 Body motion sensor 200 Weight scale 210 Load sensor 300 Heart rate filter means 310 Body motion signal A / D conversion section 320 Heart rate filter calculation CPU section 400 Respiration filter means 410 Body motion signal A / D conversion section 420 Respiration filter calculation CPU section 500 Heart rate calculation means 51 Heart rate calculating CPU unit 600 respiratory rate calculating means 610 respiration rate calculating CPU unit 700 scales the display 800 display unit 810 display control CPU 820 display

Claims (3)

生体の体重を量る体重計において、前記生体の体動を検出し体動信号を出力する体動センサと、前記体動信号から前記生体の心拍による心拍信号を抽出する心拍フィルタ手段と、前記体動信号から前記生体の呼吸による呼吸信号を抽出する呼吸フィルタ手段と、前記心拍信号を基に心拍数を算出する心拍数演算手段と、前記呼吸信号を基に呼吸数を算出する呼吸数演算手段と、前記心拍数および前記呼吸数を表示する表示手段を有する心拍呼吸計測機能付き体重計。In a weight scale that measures the weight of a living body, a body motion sensor that detects body motion of the living body and outputs a body motion signal, a heart rate filter means that extracts a heart rate signal based on a heart beat of the living body from the body motion signal, Respiration filter means for extracting a respiration signal due to respiration of the living body from a body motion signal, heart rate calculation means for calculating a heart rate based on the heartbeat signal, and respiration rate calculation for calculating a respiration rate based on the respiration signal A weight scale with a heart rate respiration measurement function comprising means and display means for displaying the heart rate and the respiration rate. 前記体動センサは、高分子圧電体であるポリフッ化ビニリデンの薄膜であることを特徴とする請求項１記載の心拍呼吸計測機能付き体重計。The weight scale with a heart rate respiration measuring function according to claim 1, wherein the body motion sensor is a thin film of polyvinylidene fluoride which is a polymer piezoelectric body. 請求項１記載の心拍呼吸計測機能付き体重計において、さらに、前記体重計で前記生体の体重の検出があることのもとに、前記心拍信号および前記呼吸信号の一方が消滅することで、警報音を発することおよび、公衆通信回線を通して遠隔地へ通報することの緊急通報手段を有する心拍呼吸計測機能付き体重計。The weight scale with a heart rate respiration measurement function according to claim 1, further comprising an alarm when one of the heart rate signal and the respiration signal disappears when the weight of the living body is detected by the weight scale. A weight scale with a heart rate respiration measurement function having an emergency notification means for generating sound and reporting to a remote place through a public communication line.
JP2006138280A 2006-04-17 2006-04-17 Scale with heartbeat and respiration measuring function Pending JP2007283071A (en)

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