KR20110011768A - Apparatus and method for measuring of biometric signal based on wireless short distance - Google Patents

Abstract

PURPOSE: A method and a terminal for measuring a biometric signal based on a wireless local distance are provided to improve the accuracy of a biometric signal measurement by applying an equalization mode to a biometric signal measured for an arbitrary time. CONSTITUTION: A sensor unit(130) senses a biometric signal of a user. The sensor unit includes one of a pulse rate sensor, a temperature sensor, an acceleration sensor, or a wearing sensor. A controller(110) checks the abnormality by analyzing the biometric signal measured by the sensor unit. A display unit(140) outputs the information related to the biometric signal measuring terminal on a screen. A wireless local communication unit(120) converts a wireless local communication function to a wake-up mode.

Description

Apparatus and Method for Measuring of Biometric Signal based on Wireless Short Distance}

The present invention relates to a wireless short-range based biosignal measurement terminal and method, and more particularly, to improve the accuracy of the pulse measurement method to improve the accuracy of the pulse measurement method that introduced the optical method or blood flow ion identification method using averaging method The present invention relates to a wireless short-range based biosignal measurement terminal and method for applying a biosignal measurement scheme and enabling low power consumption of a biosignal measurement terminal.

The biometric information collection terminal transmits signals by attaching sensors to various parts of the body such as chest or arm, or receives various biosignals in the form of bracelets. It was hard to confirm.

In addition, a terminal separate from the sensor was required to display a signal obtained from a sensor attached to various parts of the body.

In addition, there is a problem in that the pulse rate meter of the general bio-information collecting terminal is mounted on the wrist, the wrist type pulse rate meter does not measure the accurate pulse using an optical method or a method of checking the ions of blood flow.

The present invention has been made to solve the above-described problems, and provides a wireless short-range based biosignal measuring terminal and method applying an averaging method to a biosignal measured for a certain time during biosignal analysis to increase the accuracy of the biosignal measurement. There is a technical problem.

In addition, the present invention allows the ZigBee module of the terminal to switch to the wake-up state only when measuring the bio-signal so that the bio-signal measuring terminal can operate in a low power manner.

Wireless short-range based bio-signal measurement terminal of the present invention for achieving the above object is a control unit for checking whether the abnormality has occurred by analyzing the biological signal measured by the sensor unit; A sensor unit detecting a user's biosignal; And a display unit for outputting information related to the biosignal measuring terminal on a screen.

The biological signal measuring terminal,

As the measurement time of the bio-signal arrives, the wireless short-range communication unit for switching the wireless short-range communication function to a wake-up mode may be further included.

The wireless local area communication unit,

Preferably, the biosignal analyzed by the controller is transmitted to a biosignal management server that collects and manages the biosignal through communication with an indoor access point (AP) or a gateway.

The sensor unit includes:

At least one of a pulse sensor, a body temperature sensor, an acceleration sensor, and a wear detection sensor,

The pulse sensor detects a pulse rate based on a piezoelectric method, the body temperature sensor detects a body temperature of the back of the hand, and the wear detection sensor detects whether the user wears the terminal using a magnetic sensor and a magnet.

The biological signal measuring terminal is in the form of a wrist watch,

The pulse sensor is built in a watch band that is a position that can directly contact the radial artery of the wrist, the temperature sensor is preferably located at the lower point of the watch body that is a position that can contact the back of the hand of the wrist.

The control unit,

It is preferable to grasp the pulse information by converting the pulse number measured for any time less than the unit time by the pulse sensor into the pulse rate per unit time.

The control unit,

When determining the pulse information, the pulse information per unit time by multiplying the weight of the change amount to determine the pulse information,

The weight f of the change amount is

It is preferable that f = the present measured value x (average value ma / 100) + correction value.

The biological signal measuring terminal,

As a specific button is selected, the emergency call unit for transmitting an emergency message via wireless local area communication; preferably further includes.

The display unit,

It is preferable to display at least one of body temperature information, pulse information, battery remaining amount, time and sensing state.

Another embodiment of the present invention provides a biosignal measuring method in a biosignal measuring terminal, which is connected to a biosignal management server for collecting and managing biosignals through a communication network and is worn on a user's body to measure biosignals, the method comprising: a) a biosignal measuring period; As the arrival, the biosignal measuring terminal switches to the wake-up mode and checks the user's biosignal;

b) checking whether the biosignal measuring terminal is normal by analyzing the biosignal measured in step a);

c) if the result of step b) is normal, the biosignal measurement terminal transmits the analysis result to the biosignal management server as the biosignal information transmission time arrives;

And if the result of step b) is abnormal, immediately transmitting the analysis result to the biosignal management server by the biosignal measuring terminal.

In step a), the biosignal measuring terminal measures a user's biosignal using any one of a pulse sensor, a body temperature sensor, an acceleration sensor, and a wear detection sensor.

In step b), it is preferable that the biosignal measuring terminal grasps the pulse information by converting the pulse number measured for a predetermined time less than the unit time by the pulse sensor into the pulse rate per unit time.

The biological signal measuring terminal,

When determining the pulse information, the pulse information per unit time by multiplying the weight of the change amount to determine the pulse information,

The weight f of the change amount is

It is preferable that f = the present measured value x (average value ma / 100) + correction value.

As described above, the wireless short-range based biosignal measurement terminal and method of the present invention apply the averaging method to a biosignal measured for a certain time during biosignal analysis in order to increase the accuracy of the biosignal measurement. It can be expected to maintain accuracy compared to the method.

In addition, since the ZigBee module of the terminal switches to the wake-up state only when measuring the biosignal, the biosignal measuring terminal may operate in a low power manner, thereby reducing battery consumption. There is this.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, FIG. 1 is a diagram illustrating a connection relationship between a biosignal measuring terminal and a biosignal management server according to the present invention.

As shown, the biosignal measuring terminal 100 is mounted on a user's body (for example, a wrist), detects body temperature, pulse rate, falls, and the like, and measures the measured biometric information in a home access point (AP) ( 310 and the biosignal management server 200 through the gateway 330.

The biosignal measurement terminal 100 includes a module capable of wireless short-range communication, and transmits biometric information measured through a gateway 330 capable of wireless short-range communication and wired / wireless communication through a communication network (for example, a mobile communication network). Transmission to the management server 200. That is, the biosignal measuring terminal 100 may directly communicate with the gateway 330 without passing through the indoor AP 310 and transmit the biosignal information to the biosignal management server 200.

Here, the biosignal measuring terminal 100 performs an initial setting process such as information registration for performing wireless short range communication with the gateway 330.

Meanwhile, the gateway 330 manages whether the biosignal measuring terminal is worn on the user's body based on wearing detection information transmitted from the biosignal measuring terminal 100.

The biosignal management server 200 stores and manages biometric information collected from the biosignal measurement terminal 100.

2 is a view showing the configuration of a biological signal measuring terminal according to the present invention.

As shown, the biosignal measurement terminal 100 includes a control unit 110, a wireless local area communication unit 120, a sensor unit 130, a display unit 140, and an emergency call unit 150.

In more detail, the controller 110 checks whether an abnormality has occurred by analyzing the biosignal measured by the sensor unit 130.

For example, the controller 110 compares the bio signal measured by the sensor unit 130 with a preset reference value to determine whether there is an abnormality.

Although not shown, the sensor unit 130 includes at least one or more of a pulse sensor, a body temperature sensor, an acceleration sensor, and a wear detection sensor.

The controller 110 detects the pulse information by converting the pulse rate measured for a certain time less than the unit time by the pulse sensor into the pulse rate per unit time.

Here, when determining the pulse information, the control unit 110 determines the pulse information by multiplying the number of pulses per unit time by the weight of the change amount, the weight of the change amount (f) is shown in equation (1).

f = current measured value x (mean value (ma) / 100) + correction value

Where f is greater than 0 and less than or equal to 1 (0 <factor (f) ≤ 1).

For example, the pulse sensor measures the pulse for 10 seconds instead of 1 minute, and the controller 110 considers the value obtained by multiplying the measured value by 6 as the measured pulse rate per unit time (1 minute).

In addition, the controller 110 may further apply a weight of the change amount to maintain the accuracy of the pulse measurement value.

The wireless local area communication unit 120 switches the wireless near-field communication function to a wake-up mode as the time for measuring the biological signal arrives.

Here, the wireless local area communication is preferably ZigBee (ZigBee) communication, in this case, the wireless local area communication unit 120 is a Zigbee module.

In addition, the wireless short-range communication unit 120 is analyzed by the controller 110 to the bio-signal management server 200 for collecting and managing the bio-signal through the communication with the indoor access point (310) or gateway 330. Transmit vital signs.

Since the biological signal measuring terminal 100 does not normally measure the biological signal and maintains a sleep state, the biological signal measuring terminal 100 switches to the wake-up mode as the timing of measuring the biological signal arrives, thereby enabling operation at low power. This can be expected to reduce the power consumption. That is, the biosignal measuring terminal 100 applies an interrupt type low power biosignal measuring method.

The sensor unit 130 detects a user's biosignal.

The sensor unit 130 includes at least one or more of a pulse sensor, a body temperature sensor, an acceleration sensor, and a wear detection sensor. The pulse sensor may detect a pulse rate based on a piezoelectric method, and the temperature sensor may detect a body temperature of the back of a hand. The wear detection sensor detects whether the user wears the terminal using a magnetic sensor and a magnet.

In addition, the acceleration sensor detects whether a sudden change in position of the reference value or more occurs.

If the acceleration sensor detects a sudden change in the position of the reference value or more, the sensor unit 130 transmits the corresponding sensing information to the control unit 110. When the controller 110 receives the position change information detected by the acceleration sensor and transmitted from the sensor unit 130, the controller 110 determines that the fall is the user's fall, and immediately transmits the falling information to the biosignal management server 200.

On the other hand, the biological signal measuring terminal 100 is preferably in the form of a wrist watch, in this case, the pulse sensor is built in the watch band which is a position that can directly contact the radial artery of the wrist, the body temperature sensor is in contact with the back of the hand of the wrist At the bottom of the watch body.

Here, since the pulse sensor measures the pulse in a piezoelectric manner, the accuracy can be improved as compared with the pulse measurement of the optical method or the method of checking the ions in the blood flow.

The display unit 140 outputs information related to the biosignal measuring terminal 100 on the screen.

The display unit 140 displays at least one of body temperature information, pulse information, battery remaining amount, time, and sensing state.

The emergency call unit 150 transmits an emergency message through wireless short-range communication as a specific button is selected.

3 to 5 are diagrams for explaining an application example of the biological signal measuring terminal according to the present invention.

As shown, the bio-signal measuring terminal can be implemented in the form of a wrist watch.

3, a is a time setting button, b is an emergency call button, c is an upper board, d is a lower board, e is a pulse sensor, f is a pulse sensor detection unit, h is a sensor wire connecting the pulse sensor and the board, i Means temperature sensor.

The above combination of e and f corresponds to the pulse sensor.

Pulse detection unit (f) has about 3 to 5 in the hemispherical shape to primarily detect the pulse vibration from the wrist, and transmits the pulse vibration to the pulse sensor (e) through the sensor wire biological signal measuring terminal 100 ) To be transmitted to the control unit 110 located in the main body.

The pulse sensor (e) is a piezoelectric sensing method that generates vibration or external force by electricity. A thin film of ceramic material is embedded in the ABS watch band, and the film is directly generated by contacting the radial artery of the wrist. The magnitude of is transformed into voltage, and the voltage is measured by pulse rate.

(A) shown in FIG. 4 shows the display part of a watch, an emergency call button, and a time setting button, (B) shows the pulse sensor of a watch band, (C) shows a temperature sensor, ( D) shows the battery charging and program transfer pin connector, the connection board of the upper board (including the control unit and Zigbee module) and the lower board (including the sensor connection) in more detail.

FIG. 5 illustrates an example of a biosignal and time display of a biosignal measuring terminal in the form of a wrist watch. As shown in the drawing, the biosignal measuring terminal 100 includes temperature information, battery level, time, pulse information, and sensing on a screen. Indicates the display state.

6 is a view for explaining an example of a biological signal measuring method according to the present invention.

As the biosignal measuring cycle arrives, the biosignal measuring terminal 100 switches to the wake-up mode and checks the biosignal of the user (S101 and S103).

Subsequently, the biosignal measurement terminal 100 analyzes the biosignal measured in step S103 and checks whether it is normal (S105 and S107).

If the result of step S107 is normal, the biosignal measurement terminal 100 transmits the analysis result to the biosignal management server 200 as the biosignal information transmission time arrives (S109 and S111).

If the result of step S107 is abnormal, the biosignal measurement terminal 100 immediately transmits the analysis result to the biosignal management server 200.

Meanwhile, in step S103, the biosignal measuring terminal 100 measures a user's biosignal using any one of a pulse sensor, a body temperature sensor, an acceleration sensor, and a wear detection sensor. In step S105, the biosignal measuring terminal 100 is measured. ) Obtains pulse information by converting the number of pulses measured by the pulse sensor for any time less than the unit time into the number of pulses per unit time.

When acquiring the pulse information, the biosignal measuring terminal 100 obtains the pulse information by multiplying the number of pulses per unit time by the weight of the change amount, and the weight of the change amount f is calculated according to Equation (1).

On the other hand, when the biometric information transmission time has not arrived as a result of step S109, the biosignal measurement terminal 100 performs the operation after step S101.

As such, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without changing the technical concept or essential characteristics. Therefore, the above-described embodiments are to be understood as illustrative in all respects and not as restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

As described above, in the wireless short-range based biosignal measuring terminal and method of the present invention, since the Zigbee module of the terminal switches to the wake-up state only when the biosignal is measured, the biosignal measuring terminal may operate in a low power manner. It is suitable for the high need to reduce battery consumption.

1 is a view showing a connection relationship between a biosignal measurement terminal and a biosignal management server according to the present invention;

2 is a view showing the configuration of a biological signal measuring terminal according to the present invention;

3 to 5 are views for explaining an application example of a biosignal measuring terminal according to the present invention;

6 is a view for explaining an example of a biological signal measuring method according to the present invention.

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

100: biological signal measurement terminal 110: control unit

120: wireless local area communication unit 130: sensor unit

140: display unit 150: emergency call unit

200: biological signal management server 310: home AP

330: Gateway

Claims (12)

A controller for analyzing whether the abnormality has occurred by analyzing the biosignal measured by the sensor unit; A sensor unit detecting a user's biosignal; A display unit for outputting information related to the biosignal measuring terminal on a screen; Biological signal measurement terminal comprising a. The method of claim 1, The biological signal measuring terminal, As the measurement time of the bio-signals arrives, the wireless short-range communication unit for switching the wireless short-range communication function to the wake-up mode; Biological signal measuring terminal further comprising. The method of claim 2, The wireless local area communication unit, A biosignal measuring terminal, comprising: transmitting a biosignal analyzed by the controller to a biosignal management server that collects and manages a biosignal through communication with an indoor access point (AP) or a gateway; The method of claim 1, The sensor unit includes: At least one of a pulse sensor, a body temperature sensor, an acceleration sensor, and a wear detection sensor, The pulse sensor detects the pulse rate on the basis of the piezoelectric method, the body temperature sensor detects the body temperature of the back of the hand, the wear detection sensor detects whether the user's terminal wearing by using a magnetic sensor and a magnet Signal measuring terminal. The method of claim 4, wherein The biological signal measuring terminal is in the form of a wrist watch, The pulse sensor is built in the watch band that is a position that can directly contact the radial artery of the wrist, the body temperature sensor is a bio-signal measurement, characterized in that located at the lower point of the watch body that is a position that can contact the back of the hand of the wrist terminal. The method of claim 5, The control unit, And measuring pulse information by converting the number of pulses measured for an arbitrary time less than a unit time by the pulse sensor into the number of pulses per unit time. The method of claim 6, The control unit, When determining the pulse information, the pulse information per unit time by multiplying the weight of the change amount to determine the pulse information, The weight f of the change amount is f = present measurement value x (average value ma / 100) + correction value. The method of claim 5, The biological signal measuring terminal, An emergency call unit for transmitting an emergency message through wireless short-range communication as a specific button is selected; Biological signal measuring terminal further comprising. The method of claim 5, The display unit, And at least one of body temperature information, pulse information, battery level, time, and sensing state. A biosignal measuring method in a biosignal measuring terminal connected to a biosignal management server for collecting and managing biosignals through a communication network and worn on a user's body to measure biosignals, a) the biosignal measuring terminal switches to the wake-up mode and checks the biosignal of the user as the biosignal measuring period arrives; b) checking whether the biosignal measuring terminal is normal by analyzing the biosignal measured in step a); c) if the result of step b) is normal, the biosignal measurement terminal transmits the analysis result to the biosignal management server as the biosignal information transmission time arrives; If abnormal as a result of step b), immediately transmitting the analysis result to the biosignal management server by the biosignal measuring terminal; Biological signal measurement method comprising a. The method of claim 10, In step a), the biosignal measuring terminal measures a user's biosignal using any one of a pulse sensor, a body temperature sensor, an acceleration sensor, and a wear detection sensor. In step b), the bio-signal measuring terminal to determine the pulse information by converting the pulse number measured for any time less than the unit time by the pulse sensor into the pulse rate per unit time. The method of claim 10, The biological signal measuring terminal, When determining the pulse information, the pulse information per unit time by multiplying the weight of the change amount to determine the pulse information, The weight f of the change amount is f = current measurement value x (average value ma / 100) + correction value.

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