KR20070109044A - Portable apparatus of physiology signal measurement - Google Patents

Abstract

A portable biological signal measuring device is provided to enable a user to diagnose a health state by measuring a heart rate, an exercise amount, and a pace number in real-time. A head band is worn on a head of a user. At least one optical sensor(10,20,30) is formed at different portions of the head band and measures a blood flow of the user. An accelerometer(40) is formed on the head band and measures an acceleration due to a movement of the user. A signal processor(120) removes a motion noise from the optical sensor by using the accelerometer and calculates an optimal value for the blood flow result from the optical sensor by using a predetermined optimization formula. A calculator(130) calculates a biological signal of the user based on the optimal value from the signal processor.

Description

Portable Apparatus of Physiology Signal Measurement

1 is a perspective view showing a portable bio-signal measuring apparatus as an embodiment according to the present invention.

2 is a functional block diagram showing a detailed configuration of a portable biosignal measuring apparatus according to the present invention.

3 is a flow chart showing the operation flow of the portable biosignal measuring apparatus according to the present invention.

Explanation of symbols on the main parts of the drawings

10, 20, 30: optical sensor 40: acceleration sensor

100: biological signal measuring device 110: power supply

120: signal processor 130: calculator

140: warning unit 150: wireless transmission unit

170: display unit

The present invention relates to a biosignal measurement, and more particularly, to a biosignal measuring apparatus capable of providing a service for a medical examination, an emergency, and the like by immediately checking a current state of a person wearing it on his body while carrying it. .

In recent years, with increasing interest in health, many people want to know their biological index (eg, blood flow, oxygen saturation, heart rate, etc.) and manage it steadily. In addition, he wants to know his current state (eg, stress level, exercise level, steps per second, etc.).

As a result, much research has been conducted on the effects of exercise. According to these studies, moderate exercise can greatly help a person to be healthy, but too much exercise can harm the body and damage the body. The fact is known.

By the way, the standard of appropriate exercise is applied differently by person, and it is difficult to find the proper standard because it varies depending on the physical strength and physical condition of one person.

In addition, the general public who does not have expertise in exercise cannot know the strength and strength of the exercise they are doing, so they can know whether the exercise is suitable for them and at what level and how long it is appropriate. none.

On the other hand, Korean Patent Publication No. 0430274 (name: watch phone and blood pressure measurement method) as a bio-signal measurement technology discloses a watch phone for detecting the blood pressure of the patient to be diagnosed, 0455998 (name: mobile communication terminal having a biological index measurement function) discloses a mobile communication terminal capable of measuring a biological index using a high sensitivity magnetic field sensor.

However, in the case of the above-mentioned prior art, it is cumbersome to operate an apparatus for measuring. In addition, since the biometric index naturally generated from the subject is detected, the measurement signal is weak, so the accuracy is limited, and the biosignal that can be measured is limited, and it is difficult for the subject to carry the measuring device. Difficulties in monitoring information about their current condition.

In addition, the blood flow measurement for the bioindex detection is well measured at the fingertips, but the fingertips can limit the movement, the hand is more relative than other parts of the body.

In addition, wrists and arms often have a weak signal, which makes measurement difficult.

Therefore, the present invention has been proposed to solve the above-described conventional problems, the present invention provides a bio-index measuring device that can be immediately checked the current state of the body worn by the subject to his body while carrying the There is a purpose.

In addition, the present invention is a non-invasive, non-pressure type blood flow measurement data measured in various parts of the body by combining the biological information that can provide biometric information such as oxygen saturation concentration, heart rate, HRV, stress, exercise amount, steps per second Another object is to provide a signal measuring device.

Furthermore, another object of the present invention is to provide a biosignal measuring apparatus that easily measures a biometric of a subject and warns in a preventive medicine manner when the measured bioindex deviates from a predetermined bioindex change rate. .

As a construction means for achieving the above object, the present invention comprises a headband worn on the head of the human body; At least one optical sensor formed at different portions of the headband to measure blood flow of the wearer; An acceleration sensor formed on the headband to measure acceleration generated by a wearer's movement; The at least one optical sensor removes the movement noise of the at least one optical sensor generated by the wearer's movement when measuring the blood flow rate using the acceleration sensor, and among the blood flow measurement signals of the at least one optical sensor from which the noise signal is removed. Signal processing unit for extracting the optimal value by the optimization formula of; and a calculation unit for calculating the bio-signal of the wearer from the optimal value of the blood flow amount extracted by the signal processing unit.

In addition, the present invention is a hat form worn on the head of the human body; At least one optical sensor formed at different portions of the hat shape to measure blood flow of the wearer; An acceleration sensor formed in the hat shape to measure acceleration generated by a wearer's movement; The at least one optical sensor removes the movement noise of the at least one optical sensor generated by the wearer's movement when measuring the blood flow rate using the acceleration sensor, and among the blood flow measurement signals of the at least one optical sensor from which the noise signal is removed. Signal processing unit for extracting the optimal value by the optimization formula of; and a calculation unit for calculating the bio-signal of the wearer from the optimal value of the blood flow amount extracted by the signal processing unit.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. It should be noted that reference numerals and like elements among the drawings are denoted by the same reference numerals and symbols as much as possible even though they are shown in different drawings. In the following description of the present invention, detailed descriptions of related known functions or configurations will be omitted when it is determined that the present invention may unnecessarily obscure the subject matter.

1 is a perspective view showing a portable bio-signal measuring apparatus according to an embodiment of the present invention.

It is manufactured in the form of headband and hat that the user can wear on the head, and is usually made of elastic and breathable material. This shape is securely fixed so that it does not flow down over the head, both arms are free and convenient to carry.

The present invention is one or more optical sensors 10, 20, 30, the acceleration sensor 40, the signal processing unit 120, the wireless transmitter 150, the calculation unit 130, the warning unit inside the portable bio-signal measuring device In the built-in 140, the power supply unit 110 and the display unit 170, the display unit 170 for visually displaying the bio-signal and exercise amount to the user is exposed, the remaining components are headband and hat It is preferable to be embedded in a form that is inserted into the biological signal measuring apparatus of the form.

In particular, the at least one optical sensor 10, 20, 30 is preferably formed to approach the forehead, both temples of the wearer.

2 is a functional block diagram showing a detailed configuration of a portable biosignal measuring apparatus according to the present invention.

Referring to FIG. 2, the portable biosignal measuring apparatus 100 of the present invention includes one or more optical sensors 10, 20, and 30 formed at different portions of the headband and hat shape to measure blood flow of a wearer. And an acceleration sensor 40 formed in the headband and the hat shape to measure the acceleration generated by the movement of the wearer, and the one or more optical sensors 10, 20, 30 due to the movement of the wearer during blood flow measurement. Measurement of blood flow of one or more optical sensors 10, 20, and 30 by removing the movement noise of the one or more optical sensors 10, 20, and 30 by using the acceleration sensor 40, and removing the noise signal. The signal processor 120 extracts an optimal value by a predetermined optimization formula among the signals, and the optimal value of the blood flow delivered from the signal processor 120 may include a bio signal and an exercise amount of the wearer, for example, blood flow and blood oxygen. density, A calculation unit 130 for calculating heart rate, exercise amount, steps per second, and exercise amount, a warning unit 140 for notifying the wearer of a wearer's physical state based on the wearer's biosignal and the exercise amount output from the calculating unit; The wireless transmitter 140 receives the signal output from the calculator 130 and transmits the signal to an external information transmission device, the display unit 170 that visually displays the bio signal and the exercise amount of the current wearer, and the one or more signals. The optical sensor 10, 20, 30, the acceleration sensor 40, the signal processing unit 120, the calculation unit 130, the warning unit 140, the wireless transmitter 150 and the display unit 170 to supply power It includes a power supply unit 110.

More specifically, the one or more optical sensors 10, 20, 30 are sensors for measuring the current blood flow of the user, and measures the pressure change of the blood vessel in a non-invasive manner.

In the present invention, by using the at least one optical sensor (10, 20, 30), by detecting the signal of the optical sensor at the body part to measure the blood flow of the user at the same time, the measurement signal is preferably amplified and filtered signal to be.

In addition, the one or more optical sensors (10, 20, 30) is preferably attached to any one or more of the wearer's head, more preferably both head and forehead direction in the wearer's head.

Next, the acceleration sensor 40 is a sensor capable of directly detecting a dynamic vibration change (acceleration) of the rotating body, and the measured value of the acceleration sensor 40 removes noise generated by the user's movement, and the user Used to calculate the momentum of

In addition, the signal processor 120 includes an adaptive filter (not shown), and the signal processor 120 combines signals received from the one or more optical sensors 10, 20, and 30. More specifically, in order to eliminate measurement errors, the sum of the signals of the one or more optical sensors 10, 20, and 30 attached to different parts is divided by the number of the optical sensors 10, 20, and 30. By calculating the average of the signal, taking the average of the blood flow of the user, or voting (screening) the remaining signals except for the highest value and the lowest value among the signals of the one or more optical sensors (10, 20, 30) This allows you to measure blood flow more accurately and reliably.

The adaptive filter unit 60, in the at least one optical sensor (10, 20, 30) signal, to remove the acceleration sensor 40 signal to remove the noise caused by the physical change of the blood flow to the user's movement To filter the desired signal.

In addition, the calculator 130 includes a program for calculating a wearer's biosignal and exercise amount from each signal measured by the at least one optical sensor 10, 20, 30. In particular, the calculation unit 130 is a signal and heart rate, the amount of exercise, the number of steps per second measured by the optical sensor (10, 20, 30) and the acceleration sensor 40 in the at least one optical sensor (10, 20, 30) The correlation of is stored in advance, and the bio signal and the exercise amount of the user are calculated from the correlation. Since the calculation principle is generally known, a detailed description thereof will be omitted.

In addition, the warning unit 140 may be configured as a vibration generator or a sound generator.

The warning unit 140 receives the signal output from the calculator 130 and generates a warning signal in the form of vibration by using a vibrator when the biosignal of the current wearer is out of a predetermined value. Receiving a signal output from the vibration generating unit (not shown) or the calculating unit 130, the sound to generate a warning signal in the form of a sound using a sound generator when the biological signal of the current wearer is out of a predetermined value It is made of a generation unit (not shown), the warning unit 140 by combining the bio-signal and exercise amount generates a warning sound when the user's bio-signal is out of the set value so that the user can take appropriate measures. At this time, the setting value, which is a reference for the warning, is a value that can be changed according to the user's state, and the warning unit 140 analyzes the user's profile to calculate an appropriate setting value according to each state. For example, if you are weak or too old, you can lower the setting, and if you are strong or young, you can increase the setting, which can be further refined.

In addition, the set value may set the set value of the signal and the amount of change of the signal as the set value.

3 is a flow chart showing the operation flow of the biosignal measuring apparatus according to the present invention.

Referring to FIG. 3, when a wearer attaches a portable biosignal measuring apparatus to a body and supplies power, operating power is transmitted from the power supply unit 110 to each sensor (S500), and an acceleration sensor and an optical sensor are measured. Start (S510).

The acceleration sensing signal and the optical sensor sensing signal measured by the acceleration sensor and the optical sensor are periodically transmitted to the signal processor 120. When the signal processor 120 is in a standby state and receives a signal transmitted to the at least one optical sensor 10, 20, 30, the signal processor 120 receives the signals of the at least one optical sensor 10, 20, 30. And removing noise caused by user's movement using the acceleration sensor measurement signal (S520), and calculating a calculation program provided from the received acceleration sensor 40 measurement signal and the optical sensor 10, 20, 30 signals. The user's heart rate, exercise amount and steps per second are calculated (S540), and the calculated heart rate, exercise amount and steps are transmitted to an external information device (S540).

In addition, the heart rate of the user, the amount of exercise and the number of steps per second is calculated and transmitted to the warning unit 140 (S600), it is determined whether the deviation from the set value according to the user's state (S600), the determination result is greater than or equal to the set value In this case, the user outputs a warning signal as vibration or sound so as to be recognized by the user (S610), and if it is not equal to or greater than the set value, the current user information is displayed through the display unit 170 (S620). Through this, the user can adjust the prevention of exercise intensity and health care level in advance.

The detailed description and contents of the drawings described above are limited to the preferred embodiments of the present invention, and the present invention is not limited thereto. It will be possible to substitute, change or delete the components according to the present invention within the scope of the technical idea of the present invention.

Therefore, the scope of the present invention should be determined by the appended claims rather than by the foregoing description and drawings.

As described above, the present invention enables the self-diagnosis by measuring its own bio-signals while wearing the headband and hat in the form of a subject, and can be easily and easily checked for health diagnosis and dangerous situations.

In addition, by using the data measured by the present invention, by monitoring the heart rate, exercise amount, steps per second, etc., it is possible to easily and simply check the information on the current state of their own.

Claims (12)

Headband worn on the head of the human body; At least one optical sensor formed at different portions of the headband to measure blood flow of the wearer; An acceleration sensor formed on the headband to measure acceleration generated by a wearer's movement; The at least one optical sensor removes the movement noise of the at least one optical sensor generated by the wearer's movement when measuring the blood flow rate using the acceleration sensor, and among the blood flow measurement signals of the at least one optical sensor from which the noise signal is removed. A signal processor extracting an optimal value by an optimization formula of; And a calculator configured to calculate a biosignal of the wearer from an optimum value of the blood flow extracted by the signal processor. Hat form worn on the head of the human body; At least one optical sensor formed at different portions of the hat shape to measure blood flow of the wearer; An acceleration sensor formed in the hat shape to measure acceleration generated by a wearer's movement; The at least one optical sensor removes the movement noise of the at least one optical sensor generated by the wearer's movement when measuring the blood flow rate using the acceleration sensor, and among the blood flow measurement signals of the at least one optical sensor from which the noise signal is removed. A signal processor extracting an optimal value by an optimization formula of; And a calculator configured to calculate a biosignal of the wearer from an optimum value of the blood flow extracted by the signal processor. The method according to claim 1 or 2, And the calculator calculates an exercise amount of the wearer from an optimal value of the blood flow extracted by the signal processor. The method according to claim 1 or 2, And a warning unit for notifying the wearer of the wearer's body state based on the wearer's biosignal and the exercise amount outputted from the calculator. The method according to claim 1 or 2, And a wireless transmitter for receiving the signal output from the calculator and transmitting the signal to an external information transmission device. The method according to claim 1 or 2, And a display unit which visually displays the bio signal and the exercise amount of the current wearer. The method of claim 1, wherein the signal processing unit, And calculating an average of the one or more photosensor signals, outputting an average of the blood flow of the wearer, and extracting an optimum value. The method of claim 1, wherein the signal processing unit, A portable biosignal measuring apparatus which extracts an optimum value by voting (selecting) an optimal signal except for the highest value and the lowest value among the signals of the at least one optical sensor. The method of claim 1, wherein the signal processing unit, And an adaptive filter unit for removing noise of a physical change in blood flow due to a wearer's movement using the acceleration sensor signal. The method of claim 1, wherein the warning unit, Portable biological signal measuring device, characterized in that the vibration generating unit for generating a warning signal in the form of vibration. The method of claim 1, wherein the warning unit, Portable bio-signal measuring apparatus, characterized in that the sound generating unit is generated in the form of sound. The method of claim 1, wherein the one or more optical sensors, Portable bio-signal measuring apparatus, characterized in that attached to the forehead and both temples of the wearer.

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