KR100962530B1 - Apparatus and method for measuring the physiological signal - Google Patents

Abstract

The present invention relates to an apparatus and a method for measuring a biosignal, by using a band unit wearable on a head equipped with a biosignal measuring sensor and an accelerometer, and measuring a biosignal and a number of steps that can be measured in the head, and measuring a measurement result. It informs the user of the abnormality of the living body in real time through the GPS receiver, and identifies the current location in real time, and in the case of the biological abnormality, informs the current location information to the emergency center by the wireless communication unit, and accesses the biological management server through the wireless communication unit. By uploading the results of abnormalities in the living body, noise caused by movement is filtered to measure more accurate biological signals, and in real time, it is possible to promptly deal with emergencies and to deal with emergencies. To track your changes in momentum in real time Can.

Biometric Signal, GPS, Acceleration Sensor, Bone Conduction Speaker

Description

Apparatus and method for measuring bio-signals {APPARATUS AND METHOD FOR MEASURING THE PHYSIOLOGICAL SIGNAL}

The present invention relates to a biosignal measuring apparatus and a measuring method which can be worn on the head.

The present invention is derived from the research conducted as part of the IT new growth engine core technology development project of the Ministry of Information and Communication and the Ministry of Information and Communication Research and Development. [Task Management Number: 2006-S-032-02, Title: Personal Life Log-based Intelligent Service] Technology].

As is well known, as society becomes more complex and the standard of living increases, there is a growing need for home-based health care services that do not visit specialized institutions such as hospitals. Therefore, a lot of research is being conducted on the development of a biosignal measuring instrument without space-time constraints.

In particular, due to the increase in deaths associated with brain diseases, dietary changes, lack of exercise and various stresses, adult diseases are increasing, and population structure is rapidly aging.

That is, the related cited patent includes a biosignal measuring garment (quotation invention 1), a ring-shaped biosignal sensor and a biosignal measuring device (citation invention 2) equipped with a ring-shaped biosignal sensor.

Cited Invention 1 shows that the biosignal garments to which the biosignal measuring electrode is attached are endothelial composed of a stretchable mesh cloth, a connector connected to an external wire, and an uneven portion to be engaged with the electrode for measuring the biosignal, and the uneven portion is endothelial. It is composed of a biosignal measuring electrode attached to the endothelial and penetrates the mesh grid of the close contact cushion which presses the biosignal measuring electrode located between the outer skin and the endothelium. As a result, poor contact between the biosignal measuring electrode and the human body may be prevented, thereby reducing noise during the biosignal measurement.

In addition, the Cited Invention 2 improves the stability and reliability of the biosignal, can be measured without being restricted by the location and time of the biosignal measurement, and the subject recognizes the physical state or the emotional variation according to the measured result value. It relates to a bio-signal measuring device having a ring-shaped bio-signal detection sensor and a ring-shaped bio-signal detection sensor to enable.

To this end, it provides a bio-signal detection sensor consisting of a ring-type ring body, the ring body is formed in a band so as to be in close contact with the body portion of the subject to be tested, the body of the subject having a circuit board inside the ring body Converts a plurality of skin electrical signals measured in the skin potential signal, analyzes the converted skin potential signal, and controls to display the presence or absence of abnormal state of the body or emotion according to the result of the analyzed skin potential signal.

As described above, the biosignal measuring apparatus in the related art has mainly considered the form of a garment or a ring, but these have a problem in that a lot of noise occurs due to a large amount of movement in a portion to which a sensor is attached.

Accordingly, the technical problem of the present invention has been devised to solve the above-mentioned problems, and measures the biosignal and the number of steps that can be measured in the head using a band means wearable on the head equipped with the biosignal measuring sensor and the acceleration sensor. In addition, the present invention provides a biosignal measuring apparatus and a measuring method which can be worn on the head which can inform in real time whether or not the abnormality of the living body through the measurement result.

In addition, the technical problem of the present invention is to determine the current position in real time through a GPS (Global Positioning System, hereinafter referred to as a GPS) receiver, and in the case of a biological abnormality, in the case of a wireless communication device to inform the current location of the emergency center, and wireless The present invention provides a biosignal measuring apparatus and a measuring method which can be worn on a head capable of uploading a biological abnormal result by accessing a biological management server through a communicator.

According to an aspect of the present invention, a biosignal measuring apparatus includes a biosignal measuring sensor unit measuring a protozoa signal of a user, an acceleration sensor unit measuring an acceleration signal of a user, and a preprocessing filter to filter power noise from the protozoal signal Using the acceleration signal measured in the biological signal as a filter coefficient, the peaks of the pulse wave are measured from the removed biological signal by filtering only the noise signal due to movement, and the heart rate information is obtained using the measured pulse wave peaks. It characterized in that it comprises a control unit for identifying the amount of exercise using the output through the speaker.

According to another aspect of the present invention, a biosignal measuring method includes measuring a protozoa signal of a user, measuring an acceleration signal of the user, receiving current location information of the user, and power source noise from the protozoa signal Filtering the noise signal, amplifying the filtered biosignal, digitally converting the biosignal and the acceleration signal, and filtering only the noise signal due to movement using the acceleration signal measured in the biosignal as a filter coefficient. And measuring pulse peaks of the removed biosignal, obtaining heart rate information using the measured pulse wave peaks, and grasping the momentum information using the converted acceleration signal and outputting the same through a speaker. .

The present invention measures the biological signal and the number of steps that can be measured in the head using a band means that can be worn on the head equipped with the biological signal measuring sensor and the acceleration sensor, and informs in real time whether the abnormality of the living body through the measurement result, In addition, the GPS receiver detects the current location in real time, and in case of a biological abnormality, informs the emergency center of the current location information in the case of a wireless communication unit, and uploads the biological abnormality result by accessing a biological management server through a wireless communication unit. Noise is filtered to measure a more accurate biosignal.

In addition, the present invention can notify in real time whether the abnormality of the living body can quickly deal with the crisis from the emergency, there is an effect that can manage the change in exercise in real time by uploading the biometric information through the server.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating principle of the present invention. In the following description of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. The following terms are defined in consideration of the functions of the present invention, and may be changed according to the intentions or customs of the user, the operator, and the like. Therefore, the definition should be made based on the contents throughout the specification.

1 is a block diagram of a biosignal measuring apparatus 100 which may be worn on a head according to a preferred embodiment of the present invention, and includes a biosignal measuring sensor unit 11, a preprocessing filter unit 13, and an amplifier unit 15. Analog / Digital (A / D) conversion unit 17, acceleration sensor unit 19, control unit 21, storage unit 23, bone conduction speaker 25, GPS receiver 27 and wireless communication unit 29 And a power supply unit 31.

The biosignal measurement sensor unit 11 measures a correlated physiolosical signal of a user, in which a body motion noise signal generated by the user's motion is mixed, and provides the measured signal to the preprocessing filter unit 13. .

The preprocessing filter unit 13 provides the amplifying unit 15 with a biosignal obtained by filtering power source noise and the like from a protozoan signal mixed with a noise signal input from the biosignal measurement sensor unit 11.

The amplifier 15 amplifies the biosignal input from the preprocessing filter 13 and provides the amplified signal to the A / D converter 17.

The A / D converter 17 converts an analog biometric signal input from the amplifier 15 into a digital biosignal and provides it to the controller 21. In addition, the A / D converter 17 converts an analog acceleration signal input from the acceleration sensor unit 19 into a digital acceleration signal and provides it to the controller 21.

The acceleration sensor unit 19 measures the acceleration signal generated by the user's movement and provides it to the A / D converter 17.

The control unit 21 is operated by the power input from the power supply unit 31, and then the A / D from the acceleration sensor unit 19 in the biosignal input from the amplifier 15 through the A / D converter 17. Using the acceleration signal input through the conversion unit 17 as a filter coefficient, the peaks of the pulse wave are measured from the removed biological signal by filtering only the noise signal due to the movement, and how many times the heart beats per minute from the peak of the measured pulse wave Obtain the heart rate information for, and obtain the heart state of the user through the obtained heart rate information and provide it to the bone conduction speaker 25, and store the determined health state in the storage unit 23, When the state exceeds the threshold of the predetermined emergency, the alarm signal is provided through the bone conduction speaker 25 and the user's current location information and the health state input from the GPS receiver 27 are transmitted to the wireless communication unit 29. to provide.

In addition, the controller 21 measures the number of steps by using the acceleration signal input from the A / D converter 17, and grasps the exercise amount information of the user corresponding to the number of steps per day through the measured number of bones After providing the degree to the speaker 25 and storing the measured exercise amount information in the storage unit 23, the alarm is received through the bone conduction speaker 25 when the determined state of health exceeds a threshold value of a predetermined emergency situation. At the same time as the sound is provided to the wireless communication unit 29 of the user's current location information and the exercise amount information input from the GPS receiver 27.

The bone conduction speaker 25 outputs the user's health state and exercise amount information input from the control unit 21 so that the user can listen to the bone conduction speaker 25. In addition, the bone conduction speaker 25 controls the control unit when the reference value of the preset emergency situation is exceeded. 21) The alarm sound input from 21) is output for the user to listen.

The GPS receiver 27 receives the current location of the user in real time and provides it to the controller 21.

The power supply unit 31 applies power to the control unit 21 to operate the control unit 21.

The wireless communication unit 29 transmits the current location information of the user and the health state and the exercise amount information input from the control unit 21 to the mobile communication terminal S2 through the antenna S1 or through the wireless network S3. Notify the emergency center (S4) or upload the state of health and exercise information to the biological management server (S5). Here, the wireless network S3 is configured to include a base station (BTS) and a base station controller (BSC), and all mobile communication to be implemented in the future, including HSDPA network, GSM, and fourth generation, not CDMA network, W-CDMA network. It includes the network of the system.

Therefore, the present invention measures the biological signal and the number of steps that can be measured in the head using a band means that can be worn on the head equipped with the biological signal measuring sensor unit and the acceleration sensor unit, and in real time whether the abnormality of the living body through the measurement result In addition, by knowing the current location in real time through the GPS receiver and in case of a biological abnormality, in the case of a wireless communication unit to inform the current location information to the emergency center, and by accessing the biological management server via a wireless communication unit, uploading the biological abnormal results, The noise caused by the movement is filtered to measure a more accurate biosignal, and it is possible to promptly deal with a crisis from an emergency by informing in real time whether the biomarker is abnormal.

4 is a flowchart illustrating a method of measuring a biosignal wearable on a head according to a preferred embodiment of the present invention.

First, as shown in FIG. 2, the biosignal measuring apparatus 100 is mounted on a user's head wearable means (for example, one of a headband, a hat, and a helmet). ) On the user's head.

Then, the biosignal measurement sensor unit 11 in the biosignal measuring apparatus 100 measures the protozoa signal of the user, in which the noise signal generated by the user's movement is mixed (S401), and the measured protozoa signal. Is provided to the preprocessing filter unit 13, and the acceleration sensor unit 19 measures the acceleration signal generated by the user's movement (S403) and provides it to the A / D conversion unit 17.

The preprocessing filter unit 13 provides the amplifying unit 15 with a biosignal obtained by filtering power source noise and the like from a protozoan signal mixed with a noise signal input from the biosignal measurement sensor unit 11.

The amplifier 15 amplifies (S407) the biosignal input from the preprocessing filter unit 13 and provides it to the A / D converter 17.

The A / D converter 17 converts an analog biometric signal input from the amplifier 15 into a digital biosignal (S409) and provides it to the controller 21. In addition, the A / D converter 17 converts an analog acceleration signal input from the acceleration sensor unit 19 into a digital acceleration signal (S409-1) and provides it to the controller 21.

The control unit 21 operated by the power input from the power supply unit 31 is input from the acceleration sensor unit 19 through the A / D conversion unit 17 in the biosignal input from the A / D conversion unit 17. Using the acceleration signal as a filter coefficient, the peaks of the pulse wave are measured from the removed biological signal by filtering only the noise signal due to the movement, and using the measured pulse wave peaks, heart rate information about how many times the heart beats per minute is obtained ( S411), by grasping the obtained heart rate information to determine the health state of the user and outputs so that the user can listen through the bone conduction speaker 25 (S413). In addition, the controller 21 measures the number of steps using the acceleration signal input from the A / D converter 17, and grasps the exercise amount information of the user corresponding to the number of steps per day through the measured steps (S415). ) To output the user through the bone conduction speaker 25 (S417).

In addition, the controller 21 stores the determined health state and the number of steps in the storage unit 23, and then determines whether the determined health state and the exercise amount information exceed the reference value of the predetermined emergency situation (S419).

As a result of the determination (S419), if the reference value is not exceeded, the process of determining whether the threshold value of the emergency situation is exceeded is continuously performed.

On the other hand, if the result of the determination (S419) exceeds the reference value (for example, a heart attack occurs due to a large amount of exercise), the alarm sound is output so that the user can listen through the bone conduction speaker 25 (S421). .

In addition, the controller 21 provides the wireless communication unit 29 with the current location information, the health state, and the exercise information of the user input in real time from the GPS receiver 27 (S423). Then, as shown in FIG. 3, the wireless communication unit 29 transmits the current location information of the user and the health state and the exercise amount information input from the control unit 21 to the mobile communication terminal S2 through the antenna S1 ( S425), or notify the emergency center (S4) via the wireless network (S3) (S427) or uploads the state of health and exercise information to the biological management server (S5) (S429).

Therefore, the present invention measures the biological signal and the number of steps that can be measured in the head using a band means that can be worn on the head equipped with the biological signal measuring sensor unit and the acceleration sensor unit, and in real time whether the abnormality of the living body through the measurement result In addition, by knowing the current location in real time through the GPS receiver and in case of a biological abnormality, in the case of a wireless communication unit to inform the current location information to the emergency center, and by accessing the biological management server via a wireless communication unit, uploading the biological abnormal results, The noise caused by the movement is filtered to measure a more accurate biosignal, and the biometric information can be uploaded through the server to manage the change in exercise in real time.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by those equivalent to the scope of the claims.

1 is a block diagram of an apparatus for measuring a biosignal wearable on a head according to a preferred embodiment of the present invention;

2 is a view showing that the biosignal measuring apparatus according to the present invention is mounted on a user wearable means on a user's head;

3 is an exemplary view of a service using a biosignal measuring apparatus according to the present invention;

Figure 4 is a flow chart illustrating in detail the method for measuring the bio-signal wearable on the head in accordance with a preferred embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

11: biosignal measurement sensor unit 13: preprocessing filter unit

15: amplification unit 17: A / D conversion unit

19: acceleration sensor unit 21: control unit

23: storage unit 25: bone conduction speaker

27: GPS receiver 29: wireless communication unit

31: power supply unit 100: biological signal measuring device

S1: antenna S2: mobile communication terminal

S3: Wireless Network S4: Emergency Center

S5: Biometric Management Server

Claims (12)

A biological signal measuring sensor unit mounted on a user's head to measure protozoa signals, An acceleration sensor unit measuring the acceleration signal of the user; A preprocessing filter unit to filter power noise from the protozoa signal; Using the measured acceleration signal as the filter coefficient in the biosignal, the peaks of the pulse wave are measured from the removed biosignal by filtering only the noise signal due to movement, and the heart rate information is obtained using the measured pulse wave peaks. A controller for measuring the number of steps using the signal, calculating the amount of exercise information corresponding to the measured number of steps, and outputting the measured amount of information through a speaker; An amplifier for amplifying the filtered biosignal; An A / D converter configured to digitally convert the biosignal and the acceleration signal and provide the digital signal to the controller; A GPS receiver for receiving the current location information of the user and providing it to the controller Biological signal measuring apparatus comprising a. delete The method of claim 1, The control unit, When the heart rate information and exercise amount information exceeds a predetermined threshold value of the emergency situation outputs an alarm sound through the speaker, and provides the current location information and health status and exercise amount information of the user to the wireless communication unit Biological signal measuring device. The method of claim 3, wherein The wireless communication unit, the biological signal measuring apparatus, characterized in that for transmitting the current location information of the user, health status and exercise information to the mobile communication terminal. The method of claim 3, wherein The wireless communication unit, the biological signal measuring device, characterized in that to inform the emergency center of the user's current location information, health status and exercise information through a wireless network. The method of claim 3, wherein The wireless communication unit, the bio-signal measuring apparatus, characterized in that to upload the current location information of the user, health status and exercise information to the biometric management server via a wireless network. The method of claim 3, wherein The speaker is a biological signal measuring apparatus, characterized in that the bone conduction speaker. The method of claim 1, The apparatus comprises: Biosignal measuring apparatus, characterized in that attached to any one of the headband, hat, helmet that can be worn on the user's head. (a) measuring the protozoic signal of the user, (b) measuring the acceleration signal of the user; (c) receiving current location information of the user; (d) filtering power noise from the protozoa signal; (e) amplifying the filtered biosignal; (f) digitally converting the biosignal and the acceleration signal; (g) measuring peaks of pulse waves of the bio signals removed by filtering only a noise signal due to movement using the measured acceleration signal as a filter coefficient in the bio signal, and obtaining heart rate information using the measured pulse wave peaks; Using the converted acceleration signal, grasping the momentum information and outputting through the speaker Biological signal measuring method comprising a. The method of claim 9, The method, (h) when the heart rate information and the exercise amount information exceed a preset threshold value, output an alarm sound through the speaker, and transmit the current location information, health state, and exercise information of the user to the mobile communication terminal; The biosignal measuring method further comprising the step of. The method of claim 9, The method, (i) when the heart rate information and the exercise amount information exceed a preset emergency threshold value, an alarm sound is output through the speaker, and the current location information, the health state, and the exercise information of the received user are transmitted through a wireless network. The biosignal measuring method further comprising the step of notifying to the center. The method of claim 9, The method, (j) when the heart rate information and the exercise amount information exceed a predetermined threshold value of an emergency situation, an alarm sound is output through the speaker, and the current location information, the health state, and the exercise amount information of the user are received through a wireless network. The biosignal measuring method further comprising the step of uploading to the management server.

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