KR20080099674A - Body composition analysis device with accurate measurement posture induction and its method - Google Patents
Body composition analysis device with accurate measurement posture induction and its method Download PDFInfo
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Abstract
본 발명은 피 측정자의 임피던스를 측정하여 체내 구성 성분을 산출하는 장비에 있어서, 가속도센서를 손전극에 부착하여 임피던스 측정 중 피 측정자의 움직임을 감지하여, 정확한 자세로 임피던스를 측정할 수 있도록 구성된 정확한 측정자세 유도기능이 있는 체성분 분석 장치 및 그 방법에 관한 것이다. 상기한 목적을 달성하기 위하여 본 발명에 의한 가속도 센서를 체성분분석기의 손전극에 부착하여 피 측정자의 움직임과 팔의 기울어진 각도를 감지하는 체성분분석기는, 임피던스 측정 중 피 측정자의 움직임과 팔의 기울어짐을 감지하는 센서부가 손전극에 설치되고, 피 측정자의 인체 임피던스를 측정하기 위한 손전극과, 피 측정자의 움직임 정보, 측정 중 피 측정자의 팔이 기울어진 각도정보 및 전극부에서 측정된 피 측정자의 생체임피던스 측정정보와 피 측정자의 체성분분석결과, 움직임 정보, 움직임 교정정보를 알려주는 디스플레이부와, 피 측정자의 개인 신상정보 예컨대 신장, 체중, 성별, 연령을 입력받는 입력수단을 구비하여, 연산 처리부와 디스플레이부를 통하여 체성분의 산출 및 측정 중 올바른 측정자세를 유도하도록 안내하며, 체성분분석 결과와 측정 중 피 측정자의 움직인 정도를 출력하여 측정결과의 신뢰도를 판단할 수 있도록 도움을 주는 효과를 제공한다. The present invention is a device for measuring the impedance of the subject to calculate the components in the body, by attaching an acceleration sensor to the hand electrode to detect the movement of the subject during the impedance measurement, it is configured to measure the impedance in the correct posture The present invention relates to an apparatus for analyzing body composition having a measurement posture inducing function and a method thereof. In order to achieve the above object, a body composition analyzer for attaching an accelerometer according to the present invention to a hand electrode of a body composition analyzer to detect the movement of the subject and the inclination angle of the arm is an inclination of the movement of the subject and the tilt of the arm during impedance measurement. Sensor unit for detecting the load is installed on the hand electrode, the hand electrode for measuring the human body impedance of the subject, the movement information of the subject, the angle information of the inclined arm of the subject during measurement and the measurement of the subject Comprising a display unit for indicating the bio-impedance measurement information, the body composition analysis results of the subject, motion information, motion correction information, and input means for inputting the subject's personal information such as height, weight, gender, age And guides the user to derive the correct measuring posture during the calculation and measurement of body composition through the display unit. The results of the component analysis and the degree of movement of the subject during the measurement are output to help determine the reliability of the measurement results.
Description
도 1은 임피던스 방식으로 체성분을 측정하는 일반적인 체성분 분석장치로써, 지정된 측정자세와 상이하게 체성분을 측정한 경우를 나타내는 예,1 is a general body composition analyzer for measuring body composition by an impedance method, and shows an example in which a body component is measured differently from a designated measurement posture,
도 2는 본 발명에 의한 인체의 움직임 감지하는 센서가 부착된 손전극을 구비한 체성분분석기의 실시예,2 is an embodiment of a body composition analyzer having a hand electrode with a sensor for detecting the movement of the human body according to the present invention,
도 3 은 본 발명의 또다른 실시예로써 피 측정자에게 측정 중 바른 자세를 유도하기 위하여 안내하여주는 안내화면의 예,3 is an example of a guide screen for guiding a subject to induce a correct posture during measurement as another embodiment of the present invention;
도 4는 본 발명에 따라 피 측정자의 움직인 정보와 혈압측정치를 함께 출력하여 주는 실시예로서 혈압 측정 중 움직임이 있었을 경우와 없었을 경우를 나타낸 예이다.Figure 4 is an embodiment that outputs the movement information and the blood pressure measurement of the subject in accordance with the present invention is an example showing the case with and without movement during blood pressure measurement.
본 발명은 정확한 측정자세 유도기능이 있는 체성분 분석 장치 및 그 방법에 관한 것으로서, 특히 측정오차를 판별할 수 있는 체성분 분석 장치 및 그 방법에 관한 것이다.The present invention relates to a body composition analyzer and a method having an accurate measurement posture induction function, and more particularly, to a body composition analyzer and a method for determining a measurement error.
임피던스 방식으로 피 측정자의 체성분을 측정하는 장치는 피 측정자의 신장, 체중, 성별, 연령의 개인 정보와 측정된 임피던스를 바탕으로 아래의 공식에 따라 체성분을 산출하는 방법의 예이다. An apparatus for measuring a subject's body composition by an impedance method is an example of a method of calculating a body component according to the following formula based on personal information of the subject's height, weight, gender, and age and measured impedance.
여기서 A,B,C,D,E,F는 기기 특성에 따른 계산 상수 이고, 성별과 연령을 무시하기 위하여 C,D값을 0으로 할 수도 있다. Here, A, B, C, D, E, and F are calculation constants according to device characteristics, and C and D values may be set to 0 to ignore gender and age.
여기서 피 측정자의 연령과 성별은 직접 입력하고, 신장과 체중은 신장측정부와 체중측정부로 직접 측정할 수도 있고, 키보드, 키패드, 터치스크린과 같은 입력부를 통하여 피 측정자가 직접 입력할 수도 있다. Here, the age and gender of the subject may be directly input, and the height and weight may be directly measured by the height measuring unit and the weight measuring unit, or may be directly input by the subject through an input unit such as a keyboard, a keypad, and a touch screen.
피 측정자에게 미세한 전류를 흘렸을 때 발생하는 임피던스는 체성분의 측정시 측정오차를 유발하는 주요항목으로, 신장의 제곱을 임피던스로 나눈값을 특히 임피던스 인덱스라 하여 체성분의 산출식에서 가장 중요한 항목으로 사용하는 값이다. Impedance generated when a small current flows to the subject is a major item that causes measurement errors when measuring body composition.The value used as the most important item in the formula for calculating body composition is the value obtained by dividing the square of the height by the impedance, especially the impedance index. to be.
그러므로, 피 측정자의 정확한 체성분 측정치를 구하기 위해서는 임피던스 값을 정확히 측정하는 것이 가장 중요하며, 임피던스 측정시 발생되는 측정오차를 관리하면 정확한 체성분 측정에 큰 도움이 되는 것이다. Therefore, in order to obtain accurate body composition measurement value of the subject, it is most important to measure the impedance value accurately, and managing the measurement error generated during impedance measurement is a great help for accurate body composition measurement.
표 1은 피 측정자의 측정 자세에 따른 임피던스의 차이를 보여준다.Table 1 shows the difference in impedance according to the measurement posture of the subject.
표 1은 피 측정자의 측정 자세별로 변화하는 임피던스 값을 5명의 측정자에 대하여 실측하여 나타낸 값이다. Table 1 shows the measured values of the impedances that change according to the measurement postures of five subjects.
표 1을 참조해 보면, 측정자세에 따라 임피던스가 변화하는 것을 알 수 있고, 팔을 벌린각도가 커질수록 임피던스가 커지고, 팔을 벌린 각도가 적을 수록 임피던스가 작아짐을 알 수 있다. 그러나, 피 측정자의 개인차 때문에, 이 변화하는 임피던스의 폭은 모두 다름을 알 수 있다. 그러므로, 부정확한 측정자세에 따라 개인별 체성분 측정 결과는 모두 차이가 발생하며, 그 편차를 정확히 파악하기가 곤란한 실정이다. Referring to Table 1, it can be seen that the impedance changes according to the measurement posture. The greater the angle of the open arms, the greater the impedance, and the smaller the angle of the open arms, the smaller the impedance. However, it can be seen that the widths of these varying impedances are all different because of individual differences of the subjects. Therefore, according to the inaccurate measurement posture, the individual body composition measurement results are all different, and it is difficult to accurately grasp the deviation.
비만에 대하여 관심이 많아지고, 비만이 성인병의 가장 큰 원인으로 인식되어, 많은 사람들이 변화하는 몸상태를 체크하기 위하여 임피던스 방식의 체성분 분석기를 통하여 체지방량, 근육량, 단백질량, 무기질량 등의 체성분 값을 바탕으로 다이어트에 활용하고 있다. 식사처방 운동처방을 통하여 자신의 변화하는 체성분에 따라 식사 및 운동의 성취도를 판단하는 등 체성분 분석 값은 지방의 변화정도를 평가하는 중요한 값으로 인식되고 있다. 비만을 관리하기 위하여 주당 0.5kg을 감량하는 것이 가장 효과적이라는 보고가 있으며, 이를 위하여 하루에 식사로 300kcal, 운동으로 200kcal를 소모하기를 권장하고 있는 곳이 많다. 그러나, 상기 표1과 같이 체성분 측정시 발생된 피 측정자의 측정오차로 인하여 체성분 값이 1~2kg까지 차이가 발생될 수 있고, 그 값은 한달동안 지방을 빼야하는 값에 해당될 만큼 큰 측정오차를 유발하고 있으므로, 정확한 임피던스의 측정이 얼마나 중요한지는 누구나 공감하고 있는 사실이다. 또한, 측정중 피 측정자가 움직일 경우 움직인 정도의 크고 작음에 따라 임피던스가 변화하기 때문에 피 측정자의 정확한 임피던스값을 측정하기가 곤란하다.Obesity is increasing, obesity is recognized as the biggest cause of adult disease, and many people use body impedance analyzers to check body condition, such as body fat, muscle, protein, and inorganic mass Based on the diet is utilized. Meal Prescription Exercise The body composition analysis value, such as judging the achievement of the meal and exercise according to their changing body composition is recognized as an important value for evaluating the degree of change of fat. In order to manage obesity, it is reported that reducing 0.5kg per week is the most effective. To this end, many places recommend to consume 300kcal per day and 200kcal for exercise. However, due to the measurement error of the subject measured when measuring the body composition as shown in Table 1, there may be a difference in the body composition value by 1 ~ 2kg, the value is large enough to correspond to the value to remove fat for a month Everyone agrees on how important accurate impedance measurements are. In addition, it is difficult to measure the exact impedance value of the subject because the impedance changes as the subject moves during the measurement.
이를 해소하기 위하여, 체성분을 측정할 때 전문가가 옆에서 피 측정자의 측정자세를 관찰하면서 올바른 자세로 측정하는지, 측정 중 움직임이 없었는지를 관찰하여 측정 정확도를 올리려고 노력하고 있으나, 정확한 측정이라는 것을 파악할 정량화된 데이터가 없기 때문에 전문가들의 경험이나 눈대중으로 정확한 측정자세를 판별하고 있으므로, 정확도를 높이기가 쉽지 않은 실정이다. In order to solve this problem, when measuring the body composition, an expert tries to increase the measurement accuracy by observing the measurement posture of the subject and observing whether the measurement is made in the correct posture or no movement during the measurement. Since there is no quantified data, it is not easy to increase the accuracy because the accurate measurement posture is determined by the experience of the experts or the public.
본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 피 측정자의 임피던스를 측정하여 체성분을 산출하는 장비에 있어서, 가속도센서를 손전극에 부착하여 임피던스의 측정 시 피 측정자가 팔을 어느 정도나 벌렸는지 정보를 파악하고, 정확한 측정자세를 취하기 위하여, 예컨대 팔을 오므리라든지, 팔을 더 벌리라든지를 음성이나, 디스플레이부를 통하여 안내하여 주며, 피 측정자가 측정자세를 취하면, 임피던스 측정을 시작하며, 측정 중에도 움직임이 있었는지를 파악하여, 체성분 측정결과가 변화가 있을 시 움직임 때문에 변화한 것인지, 몸매관리에 따라 체성분이 변화한 것인지를 정확히 정량화 하여 구별할 수 있으므로, 정확한 체성분의 측정이 가능하게 되는 것이다. The present invention has been made to solve the above problems of the prior art, in the equipment for calculating the body composition by measuring the impedance of the subject, the accelerometer is attached to the hand electrode to measure which arm In order to determine the degree of openness and to obtain accurate measurement posture, for example, to lift or extend the arm, the voice or display unit guides the user. Beginning, it is possible to determine whether there was movement even during the measurement, and to accurately quantify whether the body composition measurement result is changed due to movement when the change is made or whether the body composition has changed according to the shape management. It becomes possible.
본 발명에서는 가속도 센서를 활용하게 피 측정자의 팔의 기울인 정도와 움직임 정보를 정량화하는데, 단축, 2축, 3축 등으로 구성된 가속도 센서를 체성분 분석기의 손전극에 부착하면, 피 측정자가 팔을 얼마나 기울이고 있는지 기울임 정보를 측정할 수 있고, 임피던스 측정을 시작했을 때, 움직임 정보를 가속도 신호 [g]로 받아들여 움직임이 얼마나 있었는지 가속도센서로 측정된 가속도의 크기를 파악하면 움직임의 유무는 물론 움직임의 크기가 얼마나 되는지도 알 수 있으므로, 이러한 정보를 연산처리부에서 연산처리하여, 피 측정자에게 알려주어 정확한 자세를 유도하면, 측정오차가 거의 없이 체성분의 측정이 가능한 것이다. In the present invention, by using the acceleration sensor to quantify the degree of inclination and motion information of the subject's arm, if the acceleration sensor consisting of a single axis, two axes, three axes, etc. is attached to the hand electrode of the body composition analyzer, It is possible to measure the tilting information whether it is tilted, and when the impedance measurement is started, if the motion information is received as the acceleration signal [g] and the magnitude of the acceleration measured by the acceleration sensor is measured, the movement is detected as well as the movement. Since it is possible to know how much the size of the information is calculated by the calculation processing unit, and informs the subject to derive the correct posture, it is possible to measure the body composition with almost no measurement error.
본 발명에 의한 정확한 측정자세 유도기능이 있는 체성분 분석 장치 및 그 방법은 피 측정자의 팔의 기울인 정도나 움직임 정보를 측정하기 위하여 가속도 센서부가 구비된 손전극을 포함하고, 전극을 통하여 피 측정자의 임피던스를 측정하며, 피 측정자가 정확한 자세를 취할 수 있도록 유도하기 위하여 디스플레이부를 포함하며, 피 측정자의 움직임정보, 팔의 기울어진 정보, 체성분의 연산등을 수행하는 연산처리부를 포함하는 것을 특징으로 한다. Body composition analysis device having a precise measurement posture induction function and method according to the present invention includes a hand electrode having an acceleration sensor unit for measuring the degree of inclination or movement of the subject's arm, the impedance of the subject through the electrode And a display unit for inducing the subject to take an accurate posture, and including an arithmetic processing unit for performing movement information of the subject, tilted information of the arm, and calculation of body composition.
한편, 피 측정자에게 보다 편리하게 정확한 측정자세를 취하도록 안내하기 위하여 스피커를 포함한 음성처리부를 추가할 수 있고, 측정된 체성분 측정결과와 움직임 정보를 비교한 것을 외부출력부를 추가하여 외부프린터로 출력할 수도 있으며, 컴퓨터와 연결하기 위한 통신부를 추가하여 상기 정보들을 컴퓨터로 정리하여 저장 및 관리 할 수도 있다.On the other hand, a voice processing unit including a speaker may be added to guide the subject to take an accurate measurement posture more conveniently, and an external output unit may be added to an external printer to compare the measured body composition measurement result with motion information. In addition, by adding a communication unit for connecting with the computer may organize and store the information in a computer.
이하, 본 발명의 실시 예를 참조된 도면을 참조하여 설명하면 다음과 같다.Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
우선 참조된 도면, 도 1은 종래의 체성분 분석기의에서 체성분을 측정하는 예를 나타낸 것으로써, (A)는 임피던스 측정 시 팔을 넓게 벌렸을 때의 예를 나타낸 것이고, (B)는 임피던스 측정 시 팔을 좁게 벌렸을 때의 예를 나타낸 것이며, (C)는 임피던스 측정 시 정확한 자세로 팔을 벌린 것에 대한 예를 나타낸 것이다. 도 2는 본 발명에 따라 체성분분석기의 손전극에 가속도 센서부(10)가 구비된 실시예를 타나낸 것이다. 본 실시예에서는 손전극에 가속도 센서부를 설치하였으나, 손전극을 연결하는 케이블에도 가속도 센서부를 설치할 수도 있고, 또 손전극이 케이블이 아닌 봉과 같은 것에 설치된 경우에도 그 봉에 센서를 설치할 수도 있다. 중요한 것은 가속도 센서가 피측정자의 자세를 확인할 수 있는 위치에 설치된다는 것이다.Referring first to Figure 1, Figure 1 shows an example of measuring the body composition in the conventional body composition analyzer, (A) shows an example when the arm is wide open during the impedance measurement, (B) An example is shown with arms wide open, and (C) shows an example of arms open in a correct posture when measuring impedance. 2 shows an embodiment in which the
도 3은 본 발명에 따른 체성분분석기의 디스플레이부에서 정확한 자세를 취하도록 안내하는 화면을 나타낸 것으로, (A)는 피 측정자의 팔이 너무 벌어져 있으므로, 팔을 정확한 자세로 오므릴 것을 안내하는 화면에 대한 실시예, (B)는 피 측정자의 팔이 너무 오므려져 있으므로, 팔을 정확한 자세로 벌릴 것을 안내하는 화면에 대한 실시예이다. Figure 3 shows a screen for guiding the correct posture in the display unit of the body composition analyzer according to the present invention, (A) is because the arm of the subject is too open, the screen for guiding the arm in the correct posture For example, (B) is an embodiment of the screen for guiding the arms open in the correct posture, because the subject's arm is too closed.
도 4는 본 발명에 따른 체성분분석기의 또 다른 실시예로서, 피 측정자의 임피던스 측정 중 피 측정자의 움직임 유무를 판별하는 것을 나타낸 것이다. FIG. 4 shows another embodiment of the body composition analyzer according to the present invention.
(A)는 측정 중 피 측정자의 움직임이 있었음을 가속도센서로 감지한 것을 타 나낸 실시예 이고, (B)는 측정 중 피 측정자의 움직임이 없었을 경우를 가속도센서로 감지한 것을 타나낸 실시예 이다.(A) shows an example in which the acceleration sensor detects the movement of the subject during measurement, and (B) shows an example in which the acceleration sensor detects the movement of the subject during measurement. .
도 5 및 도 6은 본 발명에 따라 피 측정자가 정확한 자세를 취하도록 유도하기 위하여 피 측정자를 유도하고, 측정 중 움직임이 있었는지를 감지하여 피 측정자에게 움직이지 말 것을 요구하는 단계와, 움직임정보를 정량화하여 저장하는 단계를 나타낸 블록도로서, 정확한 측정 자세를 유도한 후 측정 중 움직임이 있었는지 유무에 따라 움직이지 말 것을 요구하는 실시예와 움직인 정보를 기록하는 실시예를 나타낸 것으로, 도 5는 측정 중 움직임이 있었을 때 다시 측정하도록 피 측정자에게 안내하며, 정확한 측정을 하는 단계를 나타낸 블록도, 도 6은 측정 중 움직임이 있었을 때 움직인 정보를 연산처리부를 통하여 기록하는 단계를 나타낸 블록도이다. 5 and 6 are the steps of inducing the subject to induce the subject to take the correct posture according to the present invention, detecting whether there was a movement during the measurement and requesting the subject not to move; Is a block diagram showing a step of quantifying and storing the present invention, which shows an embodiment in which an accurate measurement posture is induced and a motion is requested according to whether there is a movement during measurement and an example of recording the movement information. 5 is a block diagram illustrating a step of making an accurate measurement, and FIG. 6 is a block showing a step of recording information moved when there is a movement during measurement through a calculation processing unit. It is also.
본 발명에서 따른 정확한 측정자세 유도기능이 있는 체성분 분석 장치 및 그 방법은 가속도 센서를 활용하여 피 측정자의 임피던스 측정 시 정확한 측정 자세를 유도하여 측정오차를 줄여 정확한 몸매관리를 할 수 있는 체성분 측정 데이터를 제공할 수 있고, 측정오차에 따른 체성분 산출의 오류를 줄일 수 있으며, 측정오차라고 의심될 경우 움직임정보와 비교하여 정량화된 움직임 정보를 활용하여 측정오차를 판별할 수 있는 효과가 있다. Body composition analysis apparatus and method having an accurate measurement posture induction function according to the present invention by using an acceleration sensor to induce the correct measurement posture when measuring the impedance of the subject to reduce the measurement error to obtain a body composition measurement data that can be accurate body care It is possible to provide, to reduce the error in the calculation of the body composition according to the measurement error, if there is a suspected measurement error by using the quantified motion information compared to the motion information has the effect of determining the measurement error.
본 발명은 상기 실시예에 한정되지 않고, 예컨대 가속도 센서를 대신하여 기울기센서, 자이로센서등을 활용하거나, 움직임 감지센서로 변형되어 실시될 수 있고, 본 발명의 기술적 요지를 벗어나지 않는 범위 내에서 당해 기술 분야의 통상의 지식을 가진 자에 의해 다양하게 변형 실시될 수 있다.The present invention is not limited to the above embodiments, and for example, may be implemented by using a tilt sensor, a gyro sensor, or the like instead of an acceleration sensor, or modified by a motion sensor, without departing from the technical spirit of the present invention. Various modifications can be made by those skilled in the art.
Claims (7)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20120021821A (en) * | 2010-08-18 | 2012-03-09 | 주식회사 바이오스페이스 | Body composition analyzer had at least one camera |
| KR20180136765A (en) | 2017-06-15 | 2018-12-26 | (주)대우루컴즈 | Portable body composition analyzer and its method |
| CN113631091A (en) * | 2019-03-29 | 2021-11-09 | 株式会社百利达 | Biological data measuring apparatus, biological data measuring method, and program |
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| JP2002328134A (en) * | 2001-04-27 | 2002-11-15 | Nec Tokin Corp | Attitude state and orientation detection device |
| KR20040001610A (en) * | 2002-06-28 | 2004-01-07 | 박원희 | Body composition analyzing device and the same method |
| KR200361688Y1 (en) | 2004-06-15 | 2004-09-13 | 주식회사 바이오스페이스 | Body composition analyzer for correct measurement position |
| KR20060028230A (en) * | 2004-09-24 | 2006-03-29 | 주식회사 자원메디칼 | Body composition measuring instrument and measuring method |
| JP4734977B2 (en) * | 2005-03-11 | 2011-07-27 | オムロンヘルスケア株式会社 | Body composition measuring device |
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| KR20120021821A (en) * | 2010-08-18 | 2012-03-09 | 주식회사 바이오스페이스 | Body composition analyzer had at least one camera |
| KR20180136765A (en) | 2017-06-15 | 2018-12-26 | (주)대우루컴즈 | Portable body composition analyzer and its method |
| CN113631091A (en) * | 2019-03-29 | 2021-11-09 | 株式会社百利达 | Biological data measuring apparatus, biological data measuring method, and program |
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