KR20160112687A - Baby care system - Google Patents

Baby care system Download PDF

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Publication number
KR20160112687A
KR20160112687A KR1020150038850A KR20150038850A KR20160112687A KR 20160112687 A KR20160112687 A KR 20160112687A KR 1020150038850 A KR1020150038850 A KR 1020150038850A KR 20150038850 A KR20150038850 A KR 20150038850A KR 20160112687 A KR20160112687 A KR 20160112687A
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KR
South Korea
Prior art keywords
infant
sensor
acceleration sensor
control module
determine whether
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KR1020150038850A
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Korean (ko)
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KR101705865B1 (en
Inventor
정재필
천병일
Original Assignee
가천대학교 산학협력단
천병일
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Priority to KR1020150038850A priority Critical patent/KR101705865B1/en
Publication of KR20160112687A publication Critical patent/KR20160112687A/en
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Publication of KR101705865B1 publication Critical patent/KR101705865B1/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0438—Sensor means for detecting
    • G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0438—Sensor means for detecting
    • G08B21/0453—Sensor means for detecting worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

Abstract

The present invention relates to an infant care system and includes an acceleration sensor for measuring an infant's motion; A control module for analyzing motion information of infants and young children measured by the acceleration sensor to determine whether a fall occurs; And a communication module for transmitting analysis information of the control module to an external server. According to the present invention, it is advantageous to determine whether or not the infant is fallen only by analyzing a simple behavior pattern using a three-axis acceleration sensor.

Description

Baby Care System {BABY CARE SYSTEM}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an infant care system, and more particularly, to a infant care system capable of monitoring infant health safely.

The existing IT industry environment is based on multimedia contents based on the Internet. Recently, ubiquitous technology for building a ubiquitous sensor network has become popular, and the IT industry environment based on the Internet, which is a network composed of people, objects and computers, In the process of transitioning rapidly.

Accordingly, a sensing networking system that configures a wireless network through Bluetooth with information measured by various sensors such as temperature, acceleration, position, and information is introduced. Therefore, it is a system that can provide preventive, diagnosis, treatment, and follow-up healthcare services whenever and wherever by using IT technology, regardless of time and space. U- Healthcare technology is in pursuit of improving the quality of life, and it basically consists of sensing, transmission, analysis and feedback process to make it real. To realize such U-Healthcare Service, systems for measuring and connecting various bio-information should be studied. In particular, there is an urgent need for a system for safely managing infants and toddlers who are threatened with a health hazard by small carelessness.

In this connection, Korean Patent Laid-Open No. 10-2011-0131618 is known as a conventional patent document. The above-mentioned prior art discloses an RFID tag installed in a plurality of dangerous goods and dangerous places, a plurality of sensors attached to a body of a baby, a measuring device for measuring the exposure to a plurality of dangerous goods and dangerous places and transmitting them wirelessly, Discloses a situation processing apparatus that grasps a child's state using accumulated motion information received from a measurement apparatus in response to a confirmation request. Such conventional technology requires an excessively complicated sensor, a sensor processing algorithm, and a large number of RFIDs in order to measure the situation of a child.

Therefore, it is necessary to develop a sensor processing algorithm and a discrimination method so that the infant situation can be processed quickly and accurately with a simple configuration.

Korean Patent Publication No. 10-2011-0131618

The present invention seeks to provide an infant care system capable of monitoring the risk situation of infants and young children. In addition, the present invention provides an infant care system capable of more accurately discriminating a dangerous situation of infants and children by a simplified sensor and a discrimination algorithm.

In order to achieve the above object, the present invention relates to an infant care system, comprising an acceleration sensor for measuring a motion of infants and young children; A control module for analyzing motion information of infants and young children measured by the acceleration sensor to determine whether a fall occurs; And a communication module for transmitting analysis information of the control module to an external server.

Preferably, the infant care system according to the present invention may further include a sound sensor for measuring sounds around infants and young children. In this case, the control module can determine whether the infant is crying by analyzing the surrounding sound information measured by the sound sensor.

Preferably, the infant care system according to the present invention may further include a temperature sensor for measuring a body temperature of the infant. In this case, the control module can determine the high temperature of the infant by analyzing the body temperature information of the infant measured by the temperature sensor.

Preferably, the control module according to the present invention comprises: a signal processing unit for filtering raw data of input information; A determination unit for analyzing a pattern of a signal filtered by the signal processing unit to determine whether the infant is falling; And an alarm unit for visually or auditorily transmitting the determination result of the determination unit.

Preferably, the acceleration sensor according to the present invention is a three-axis acceleration sensor, and the determination unit may compare the amounts of displacement of the x-axis, z-axis, and y-axis data measured by the acceleration sensor to determine whether or not the sensor falls.

According to the present invention, it is advantageous to determine whether or not the infant is fallen only by analyzing a simple behavior pattern using a three-axis acceleration sensor.

In addition, according to the present invention, there is an advantage that a plurality of sensors and a control module for discriminating them can be integrated to provide a monitoring system with a small structure that is easily attached to infants and young children.

1 is a view showing a configuration of an infant care system according to an embodiment of the present invention.
2 shows a data value of a received acceleration sensor according to an embodiment of the present invention. FIG. 2 (a) is an acceleration sensor value when the infant is in a stopped state, FIG. 2 (b) is an acceleration sensor value when the infant is active, and FIG. 2 (c) shows an acceleration sensor value during infancy.
FIG. 3 shows a data value of a sound sensor received by the determination unit according to the embodiment of the present invention.
4 shows a data value of a temperature sensor received by the judging unit according to the embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the exemplary embodiments. Like reference numerals in the drawings denote members performing substantially the same function.

The objects and effects of the present invention can be understood or clarified naturally by the following description, and the purpose and effect of the present invention are not limited by the following description. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 shows a block diagram of an infant care system 1 according to an embodiment of the present invention. Referring to FIG. 1, the infant care system 1 may include an external server 107 for monitoring the infant's situation by communicating with the measuring device 10, the measuring device 10, which is attached to the infant's body.

The measuring device 10 may continuously monitor falling, crying, and body temperature of infants and to transmit the result to a communication terminal such as an external server or a smartphone of a user.

The measuring apparatus 10 may be constituted by a sensor module 101, a control module 103, and a communication module 105. The sensor module 101 may include an acceleration sensor 1011 for measuring the movement of infants and young children, a sound sensor 1013 for measuring sound around infants and young children, and a temperature sensor 1015 for measuring the temperature of infants and young children.

The acceleration sensor 1011 can measure the movement of infants and young children. At this time, the control module 103 analyzes the motion information of infants and young children measured by the acceleration sensor 1011 to determine whether or not the baby falls.

As the acceleration sensor 1011, a three-axis acceleration sensor is preferably used. The three-axis acceleration sensor measures the x-, y-, and z-axis movements of infants over time. The x-axis, y-axis, and z-axis information of the infant can be used to determine whether or not a fall occurs after a displacement amount analysis process is performed in the determination unit 1033 described below.

The sound sensor 1013 can measure the sound around the baby. At this time, the control module 103 analyzes the surrounding sound information measured by the sound sensor 1013 to determine whether or not the infant is crying. The sound sensor 1013 measures a variety of noises of the external environment and thus needs a signal processing process for removing noise. The signal processing may be performed in the signal processing unit 1031 of the control module 103, which will be described below.

The temperature sensor 1015 can measure the body temperature of infants and young children. At this time, the control module 103 analyzes the body temperature information of the infant measured by the temperature sensor 1015 to determine whether the infant has a high fever.

The control module 103 may include a signal processing unit 1031, a determination unit 1033, and an alarm unit 1035. The signal processing unit 1031 may receive the measurement data result of the sensor module 101 and perform an algorithm for filtering the noise. When the noise of the row data value measured by the signal processing unit 1031 is removed, the control module 103 binarizes the binary data, extracts the characteristic points, and analyzes the extracted characteristic data. In this specification, low data means initial measurement data including noise.

The execution algorithm of the signal processing unit 1031 is performed in the following order. Calculates the standard deviation of the raw data received from the sensor module (101), and firstly filters the sensor data with the standard deviation value. Then, a second filtering process is performed using a Kalman filter. Thereafter, the data is binarized and subjected to signal processing.

The signal processor 1031 can estimate an accurate value of the current state of the infant using the standard deviation, variance, and Kalman filter. The signal processed data is transmitted to the determination unit 1033, and an algorithm for determining the situation of the infant and child is performed.

The determination unit 1033 can analyze the pattern of the filtered data from the signal processing unit 1031 and determine whether or not the baby falls. The determination unit 1033 determines from the data value of the acceleration sensor 1011 whether or not the baby falls.

2 shows a data value of the acceleration sensor 1011 received by the determination unit 1033. In FIG. FIG. 2A shows the acceleration sensor 1011 value when the infant is stationary, FIG. 2B shows the acceleration sensor 1011 value when the infant is active, and FIG. 2C shows the acceleration sensor value when the infant is falling. The stop state data values in FIG. 2A are as shown in Table 1 below.

Figure pat00001

[Table 1] By referring to the values, it can be seen that the values of the three-axis sensor are almost constant without any change. In contrast, referring to FIG. 2B, it can be seen that the values of the three-axis sensor exhibit a very large amount of displacement when the baby is in an active state, such as playing or playing games.

Referring to FIG. 2C, when the baby falls, the sensor values in the stopped state change to the active state for a short time and then remain in the rest state. In particular, x-axis and z-axis data show a pattern with a short section rising and y-axis data show a pattern with a short section falling.

Since the baby has no motion due to shocks during the fall, the x, y, and z axis values change significantly and then the stop pattern is maintained. The determination unit 1033 sets this short interval as the sensing area. That is, the first condition compares the relative displacement values of the x, z and y axes, and the second condition is that if the data values of the x, y, and z axes remain constant while the first condition is satisfied, . The result of the determination unit 1033 is transmitted to the alarm unit 1035 and the communication module 105.

3 shows a data value of the sound sensor 1013 received by the determination unit 1033 according to an embodiment of the present invention. The determination unit 1033 may sample the cry of the baby to find a specific crying point.

The sampled data is discriminated from the algorithm of the determination unit 1033 whether it is a general noise or a crying sound. The determination unit 1033 determines that the current baby is crying when a loud sound is detected in addition to the general sound pattern of the sound data and a loud sound waveform of the same shape is repeatedly displayed.

4 shows a data value of the temperature sensor 1015 received by the determination unit 1033 according to an embodiment of the present invention. Referring to FIG. 4, the amount of displacement of the temperature data is not large due to the characteristics of the thermometer. Since the temperature data requires continuous monitoring, the determination unit 1033 continuously transmits the temperature data value under measurement to the communication module 105. [

The determination unit 1033 can set the threshold value of the temperature to 37.. When the measured body temperature exceeds the threshold set by the determination unit 1033, the determination unit 1033 determines that the baby is in a high-temperature state by classifying it as a high body temperature. If the baby is determined to be in a high-temperature state, the result of the determination may be transmitted to the alarm unit 1035 so that the surrounding user can be warned visually or audibly.

The alarm unit 1035 may include an alarm buzzer to audibly alarm the determination result of the determination unit 1033. [ In addition, the alarm unit 1035 may include an LED to visually warn the determination result.

The communication module 105 can transmit the resultant values determined by the control module 103 to an external communication terminal using the Bluetooth or ZigBee method. The communication terminal receiving the situation of infants and young children may be a server provided when managing a plurality of one-to-many, or a smart phone provided when an individual user manages the communication terminal.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. will be. Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by all changes or modifications derived from the scope of the appended claims and equivalents of the following claims.

1: Infant care system 10: Measuring device
101: Control module 1011: Acceleration sensor
1013: Sound sensor 1015: Temperature sensor
103: control module 1031: signal processor
1033: Judgment section 1035: Alarm section
105: Communication module 107: Server or smart phone

Claims (5)

An acceleration sensor for measuring the motion of infants and young children;
A control module for analyzing the motion information of the infant and the infant measured by the acceleration sensor to determine whether a fall occurs; And
And a communication module for transmitting analysis information of the control module to an external server.
The method according to claim 1,
And a sound sensor for measuring a sound around the infant,
Wherein the control module analyzes the surrounding sound information measured by the sound sensor to determine whether the infant is crying.
The method according to claim 1,
Further comprising a temperature sensor for measuring the body temperature of the infant,
Wherein the control module analyzes the body temperature information of the infant measured by the temperature sensor to determine whether the infant has a high fever.
4. The method according to any one of claims 1 to 3,
The control module includes:
A signal processor for filtering raw data of input information;
A determination unit for analyzing a pattern of the filtered data from the signal processing unit to determine whether the infant has fallen; And
And an alarm unit for visually or auditorily transmitting the discrimination result of the judging unit.
5. The method of claim 4,
Wherein the acceleration sensor is a three-axis acceleration sensor,
Wherein,
Axis, y-axis, and y-axis data measured by the acceleration sensor are compared with each other to determine whether or not a fall occurs.
KR1020150038850A 2015-03-20 2015-03-20 Baby care system KR101705865B1 (en)

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Application Number Priority Date Filing Date Title
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KR20220107806A (en) 2021-01-26 2022-08-02 영진전문대학 산학협력단 An alarm device for prevent Malignant hyperthermia

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100736767B1 (en) * 2003-10-28 2007-07-09 이정국 Baby health monitoring system
KR20090053250A (en) * 2007-11-23 2009-05-27 (주)테크바일 Personal emergency alarming system and method thereof
KR20110131618A (en) 2010-05-31 2011-12-07 아주대학교산학협력단 Toddler care system and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100736767B1 (en) * 2003-10-28 2007-07-09 이정국 Baby health monitoring system
KR20090053250A (en) * 2007-11-23 2009-05-27 (주)테크바일 Personal emergency alarming system and method thereof
KR20110131618A (en) 2010-05-31 2011-12-07 아주대학교산학협력단 Toddler care system and method

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