KR101526071B1 - Bed system for the detection of sleep and sleep state detection method - Google Patents

Abstract

The present invention relates to a bed system and a sleeping state sensing method for detecting a sleeping state capable of promptly handling an emergency situation in a sleeping state, and more particularly, to a bed system and a sleeping state sensing method in which a frame, a baseboard, a headboard, A sleeping state sensing unit for sensing body temperature, brain waves, heart rate (body temperature, brain waves, heart rate) and movement of the subject in bed, sleeping on the bed, An arithmetic control unit for comparing the sleep state body temperature of the subject, the EEG, and the heart rate of the subject to be sensed by a predetermined reference body temperature, an EEG, and a heart rate to determine whether or not the subject is in a sleep state; Which is driven by a control signal selectively transmitted from the arithmetic and control unit, to stimulate a sleeping subject, And a communication means for selectively transmitting a health abnormality message of the subject to the designation receiving unit at the judgment of the operation control unit, wherein the body temperature, heart rate, heart rate, etc. of the subject, And if emergency situations are detected based on the body temperature, brain waves, and heart rate, patients should be alerted in the sleep when they are in an emergency, or signals to medical institutions and related persons to receive emergency and first aid treatment A bed system for detecting a sleep state, and a sleep state detection method.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed system for detecting a sleep state,

The present invention relates to a bed system and a sleeping state sensing method for detecting a sleeping state capable of promptly handling an emergency situation in a sleeping state, and more particularly, to a bed system and a sleeping state sensing method for detecting a sleeping state, Body temperature, heart rhythm, and movement of the subject in a systematic manner, thereby establishing the criteria for the sleep physical activity of the subject, and based on this, not only the health of the subject in the sleep but also the health of the subject during sleep The present invention relates to a bed system and a sleeping state detection method for detecting a sleeping state in which a subject is forced to awaken when an abnormality is found,

Recently, interest in sleep disorders has been increasing.

However, due to the problem of privacy invasion, it is difficult to identify the problem and it is difficult to diagnose accurately.

In particular, accidents that occur due to the risk of sleeping and the inability to respond promptly to emergencies frequently occur.

Therefore, in order to overcome these problems, a method of real-time measurement of the sleeping condition and health condition for people who are in desperate need of periodical probation through homes, nursing homes, hospitals and various welfare facilities, And hospitals and other medical institutions. In case of an emergency, it is urgent to request a system that helps medical activities in connection with medical institutions such as hospitals.

In view of the above-mentioned problem, in the Korean Patent Registration No. 10-1220104 (Mar. 03, 2013), at least one sensor for detecting the state of a protected person in the sleep state, a transmission device for collecting detection results by the at least one sensor, And a server for recognizing the sleep state of the protected person based on the detection result received from the transmission device, wherein the at least one sensor includes at least one of a sound detection sensor, an activity detection sensor, a vibration detection sensor, and an approach detection sensor Wherein the activity detection sensor and the vibration detection sensor detect a movement of the protected person generated at the time of sleep and the approach detection sensor detects whether the protected person is close to a sleeping position, Through at least one of an activity detection sensor and a movement interval and intensity detected by the vibration detection sensor, There is provided a sleep state detection system for identifying at least one of a sleep state and an abnormal state of the protected person and determining whether the protected person has left the sleeping position through the detection result by the approach detection sensor.

However, the above-described conventional technique has a problem that it is difficult to judge whether a potato taking a sleep surface is taking an accurate sleep, and it is not available to a person who lives alone.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the technical limitations and problems of the conventional techniques described above, and it is an object of the present invention to systematically accumulate data on body temperature, brain waves, and heart rate of a subject during sleep and to set a reference value based on the accumulated data After checking the health status of the subject at night based on the reference value, the health condition of the subject is checked in real time to improve the comfort and health of the sleeping activity. Based on the detected body temperature, brain waves, and heart rate, To detect a sleep condition that can be used to forcibly awaken a subject when an abnormality occurs in health or to provide emergency medical care and emergency treatment necessary for the subject's health by sending a signal to an external medical institution or persons concerned And a method of detecting a sleeping state.

A bed system for detecting a sleeping state according to the present invention includes a bed, a base board, a headboard, and a mattress. The bed includes a bed on which a potato is laid, a body temperature, an electroencephalogram, An electroencephalogram sensor positioned on the head of the subject to measure a brain wave of the subject to take a sleep on the bed; a heartbeat sensor located on the chest of the subject to take a sleep on the bed, A body temperature sensor for sensing a body temperature of a subject to be inspected which is mounted on the body of the subject and takes a sleep on the bed; and a body temperature sensor provided on the headboard of the bed, A sleep state detecting unit including a camera for photographing the dynamic state of the potato by an image; An arithmetic and control unit for comparing the sleep state body temperature, brain waves, and heart rate with predetermined reference body temperature, brain waves, and heart rate to determine whether or not the subject is in a state of sleep; A communication unit for selectively transmitting a health abnormality message of the subject to the designation receiving unit at the judgment of the operation control unit; And a motion sensor provided in the mattress of the bed for capturing a motion of the subject to take a sleep on the bed, wherein the magnetic pole portion is mounted inside the mattress of the bed, And is driven by the selectively transmitted control signal, so that the vibrator And a swinging means for swinging the mattress of the bed by reciprocating upward and downward one side of the base board of the bed in the lower part of the base board of the bed, A first base board on which the upper body of the potato is placed and a second base board on which the lower body of the potato is located; And a second base board which is driven by a control signal selectively transmitted by the operation control unit at the judgment of the operation control unit so that the first base board is rotated upward by the pivot axis so as to raise the upper body of the subject As shown in Fig.

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A method for detecting a sleeping state according to the present invention includes the steps of providing a bed system for detecting a sleeping state, collecting a body temperature, an EEG, and a heart rate of a subject in a sleeping state, The arithmetic and control unit calculates an average value of body temperature, brain waves, and heart rate of the subject to be sensed collected for a designated time with the sensing unit, and stores the reference value as a reference body temperature, brain wave, and heart rate. The method of the present invention includes a step of collecting body temperature, brain waves, and heart rate of a potato taking a sleeping sleep in real time, comparing body temperature, brain waves, and heart rate collected by the arithmetic and control unit in real time with reference body temperature, Determining whether or not the potato has a health abnormality based on the result of the determination by the arithmetic and control unit; A step of sending a control signal from the arithmetic control unit to the stimulating unit, a step of stimulating the subject to be awakened by driving the stimulating unit for a designated time according to a control signal sent from the arithmetic control unit, Detecting the body temperature, brain waves, and heart rate of the subject to be sensed by the sleep state sensing unit after stimulating the subject to be stimulated, and detecting the body temperature, brain waves, and heart rate collected by the sleep state sensing unit Determining whether the subject is awakened by analyzing a reference body temperature, an electroencephalogram, and a heart rate; and, if it is determined that the subject does not awaken based on the resultant data value determined by the operation control unit, Means for transmitting a control signal to the communication means, and transmitting the health abnormality message of the subject to the external destination It includes.

The bed system and the sleep state detection method for detecting the sleep state according to the present invention have the following effects.

First, we systematically accumulate data on body temperature, brain waves, and heart rate of the subject during sleep, set a reference value based on the accumulated data, check the health state of the subject in bed on the basis of the reference value, The sleeping activity can be improved and the health can be improved.

Second, based on the sensed body temperature, brain waves, and heart rate, the health status of the subject is determined, and when an abnormality occurs in health, the subject is forcibly awakened or a signal is sent to the external medical institutions and persons concerned , And provides emergency medical care and first aid for the health of the subject.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic illustration of a bed system for detecting a sleeping state according to the present invention; FIG.
FIG. 2 is a schematic view showing a bed configuration according to a bed system for detecting the sleeping state of the present invention.
Fig. 3 is an exemplary diagram showing a configuration example of the rotating means according to the present invention in brief.
Fig. 4 is an exemplary diagram briefly showing an example of a swinging means according to the present invention.
5 is a simplified block diagram of a sleep state detection method according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, at the time of the present application, It should be understood that variations can be made.

FIG. 1 is a schematic view showing a bed system for detecting a sleeping state according to the present invention, FIG. 2 is an exemplary view showing a bed configuration according to a bed system for detecting the sleeping state of the present invention, and FIG. FIG. 4 is a schematic view showing an example of the swinging means according to the present invention, and FIG. 5 is a diagram illustrating a sleeping state detecting method according to the present invention, And is a simplified block diagram.

The present invention systematically accumulates body temperature, brain waves, and heart rate information on physical activity of a subject to take sleep, establishes a criterion for sleep physical activity of the subject by means of which the health of the subject A bed system and a sleeping state detection method for detecting a sleeping state in which a subject is forced to awaken if a health abnormality of the subject is found during sleep, or a contact is made to an external contact in an emergency, The following is a detailed description.

As shown in FIG. 1, a bed system for detecting a sleeping state according to the present invention includes a bed 100 in which a subject is lying down, a sleep state sensing unit 200 for sensing body temperature, brain waves, An arithmetic and control unit 300 for judging whether or not the subject is in a state of being in a sleep state, a stimulation unit 400 for providing a physical stimulus to awaken the subject, a communication for transmitting a health abnormality message of the subject to the designation receiving unit (500).

Referring to FIG. 2, the bed 100 includes a frame 110 that forms left, right, and rear frames of a bed, and a headboard 120 on a front side thereof.

By the combination of the frame 110 and the headboard 120, the frame of the bed is completed like a normal bed.

The base board 130 is accommodated in the frame of the bed formed by the combination of the frame 110 and the headboard 120. The mattress 140 is placed on the upper portion of the base board 130, Lie down to sleep.

The structure of the bed 100 according to the present invention is shown only as an example, and a separate member may be imposed as needed to improve the comfortable sleeping surface of the potato and the durability of the bed, or to enhance aesthetic beauty .

3, the bed 100 according to the present invention includes a base board 130 on which the mattress 140 is placed, a first base board 131 on which the upper body of the potato is placed, And a rear end of the first base board 131 and a front end of the second base board 132 are connected to each other by a pivot shaft 133. [

The first base board 131 of the first base board 131 and the second base board 132 connected to each other by the pivot shaft 133 is rotated by the pivot means 134 to rotate the pivot shaft 133 The turning unit 134 is driven by the control signal selectively transmitted from the arithmetic and control unit 300 according to the judgment of the arithmetic and control unit 300, A force is applied to the lower portion of the first base board 131 so that the first base board 131 is rotated upward by the pivot shaft 133 so as to raise the upper body of the potato.

The bed 100 may include a base board 130 on which the mattress 140 is placed and a first base board 131 on which an upper body of the subject is located, The first base board 131 and the second base board 132 are divided into a first base board 131 and a second base board 132 on which the lower body of the potato is placed, And is configured to fold the shaft of the hinge about the axis.

A frame 110 positioned on the left side of the bed 100 and a pair of guide rails 111 along the longitudinal direction of the frame 110 are disposed on the right side of the bed 100, A pair of support frames 112 are respectively coupled to the pair of support frames 111. One end of each of the pair of support frames 112 is coupled to move along the pair of guide rails 111, Is rotatably connected to the lower end of the front end of the first base board 131 where the upper body of the potato is located.

One end of the piston rod, which is the rotating means 134, is rotatably connected to the first base board 131 on which the upper body of the potato is positioned, the other end of the cylinder is connected to the lower portion of the bed, And a cylinder for expanding and contracting the length of the piston rod by the hydraulic or pneumatic pressure selectively provided according to the control signal of the operation control unit 300 , The length of the piston rod is elongated and the first base board 131 is rotated upward about the axis of the hinge so as to raise the upper body of the potato.

The configuration of the pivot shaft 133 and the pivoting means 134 is not limited to the configuration shown in the example.

The bed system for detecting a sleeping state according to the present invention includes a sleeping state sensing unit 200 for sensing body temperature, brain waves, heart rate, and movement of a subject under sleep in the bed 100.

The sleeping state sensing unit 200 includes an EEG sensor 210, a heart rate sensor 220, a body temperature sensor 230 and a camera 240. In more detail, And measures the brain waves of the subject to take a sleep on the bed.

The brain wave sensor 210 measures a brain wave of the subject to be taken by taking a sleep surface in the form of a band so as to surround the head of the subject.

The heart rate sensor 220 senses and counts the heartbeat of the subject to take sleep on the bed 100. The bed sensor 150 is provided on the bed 150 so as to be positioned on the chest of the subject, The heart rate of the subject is counted.

The body temperature sensor 230 senses the body temperature of the subject to take sleep on the bed 100. The body temperature sensor 230 has a band shape and is mounted on the body of the subject, Or an infrared thermometer may be mounted on the headboard 120 of the bed 100 to indirectly detect the body temperature of the subject.

In addition, the camera 240 is provided on the headboard 120 of the bed 100, so that it can photograph the motion of the subject to take sleep on the bed 100, or grasp the motion.

In addition, the sleeping state sensing unit 200 may further include a motion sensor 250. The motion sensor 250 is provided on the upper surface of the mattress 140 of the bed 100, And captures the movement of the subject on the bed 100.

The body temperature, brain waves, heart rate, and motion data sensed and collected by the sleep state sensing unit 200 are applied to the operation control unit 300, and the operation state of the operation sensed by the sleep state sensing unit 200 in the operation control unit 300 The reference body temperature, brain waves, and heart rate are set based on body temperature, brain waves, and heart rate according to the sleep state of the subject to be inspected, or compared with predetermined reference body temperature, brain waves, and heart rate, do.

The operation control unit 300 includes a memory unit for storing body temperature, brain waves, heart rate, and motion data sensed and collected by the sleeping state sensing unit 200. The sleeping state sensing unit 200 senses the body temperature, A control microcomputer for calculating a heart rate and motion data with reference body temperature, brain waves, and heart rate, and a control microcomputer for generating a control signal from the operation CPU as a result value.

The stimulation unit 400 is driven by the control signal selectively transmitted from the operation control unit 300 according to the judgment of the operation control unit 300, and provides a physical stimulus to awaken the sleeping subject.

In this case, the stimulation unit 400 may be provided in the mattress 140 of the bed 100 as an example. In this case, And vibrating means 410 driven by a control signal selectively transmitted from the operation control unit 300 to provide vibrations to the mattress 140 lying on the subject such as a vibrator.

As shown in FIG. 4, the magnetic pole part 400 may be formed below the base board 130 of the bed 100, and a side of the base board 130 of the bed 100 may be defined as an upper side And a swinging means 420 for swinging the mattress 140 of the bed 100 in a reciprocating motion in a downward direction.

An example of the swinging means 420 includes an electric motor 421 driven by an external power source to generate a rotational force and is mechanically connected to the electric motor 421, The gear box 422 is coupled to the rotation shaft 423 of the gear box 422 and is positioned below the base board 130 of the bed 100. The bed 100 ) Of the bed 100 to reciprocate upward and downward to make the mattress 140 of the bed 100 oscillate.

Accordingly, the electric motor 421 is driven by the control signal selectively transmitted from the operation control unit 300 according to the determination of the operation control unit 300, The gear box 422, which receives the rotational force, rotates the rotational shaft 423.

The eccentric cam 424 coupled to the rotary shaft 423 rotates and reciprocates upward and downward along one side of the base board 130 of the bed 100 as the rotary shaft 423 rotates, 100 of the mattress 140 is rocked.

Then, the communication unit 500 selectively transmits the health abnormality message of the subject to the designation receiving unit according to the judgment of the operation control unit 300, so that the subject having the abnormality of health is required to receive first treatment required.

The sleeping state sensing method using the bed system for detecting the sleeping state according to the present invention will be described with reference to FIG.

In the first step,

The subject may be placed on the mattress 140 of the bed 100 to detect the brain wave sensor 210 of the sleeping state sensing unit 200 and the body temperature sensor 230 and covers the bedding 150 provided with the heart rate sensor 220 to take a sleep surface (S100)

In the second step

The EEG sensor 210 senses the EEG of the subject to be sleeping on the bed 100 by collecting body temperature, brain waves, and heart rate of the subject by the sleep state sensing unit 200 The heart rate sensor 220, and the body temperature sensor 230 included in the sleep state sensing unit 200 for a preset predetermined time when the subject is determined to be in a sleep state, The brain waves, and the heart rate, photographs the state of the subject subject to sleep by the camera 240, and applies the captured state to the operation control unit (S110).

The third step is

The EEG, and the heart rate based on the average value of body temperature, brain waves, and heart rate of the subject to be collected during the designated time. The body temperature, the EEG, and the heart rate of the subject are collected by the sleep state detection unit 200, The operation control unit 300 calculates an average value of the brain waves and the heart rate, stores the reference value, and sets the reference body temperature, the brain wave, and the heart rate.

In the fourth step

EEG, and heart rate of a subject to be sleeped in real time. The sleeping state sensing unit 200 collects body temperature, brain waves, and heart rate of a subject in a bed lying on the bed in real time.

In the fifth step

The reference body temperature, the brain wave, and the heart rate, which are collected in real time, are analyzed and compared with the reference body temperature, the brain wave, and the heart rate, which are collected in real time by the operation control unit 300, , And comparing with the heart rate, it is judged whether or not health of a sleeping potato is abnormal.

At this time, if the health state of the subject under sleep is consistent with the reference body temperature, brain waves, and heart rate, the body temperature, brain waves, and heart rate collected by the operation control unit 300 in real time are compared with reference body temperature, The fourth step is to repeatedly collect body temperature, brain waves, and heart rate of the subject in real time.

If the health state of the sleeping potato is not in agreement with the reference body temperature, brain waves, and heart rate, the body temperature, brain waves, and heart rate collected by the operation control unit 300 in real time are compared with reference body temperature, If so, take the next step.

In the sixth step

The operation control unit 300 detects a health abnormality of a sleeping subject based on a result of the determination by the operation control unit 300, And transmits the control signal to the stimulating unit 400.

In the seventh step

The stimulation unit 400 is driven for a predetermined period of time to awaken a subject under sleep, and the stimulation unit 400 is driven for a designated time according to a control signal sent from the operation control unit 300, Stimulates the subject to be stimulated.

The stimulation is physical, and in the present invention, as described above, a physical stimulus is given to the subject by the vibration means and the swinging means, and a detailed description is omitted.

In the eighth step,

The sleeping state sensing unit 200 senses the body temperature, brain waves, and heart rate of the subject to be sensed again. The stimulation unit 400 is driven to stimulate the subject, EEG, heart rate, and movement of the subject.

At this time, the movement of the subject can be confirmed by analyzing the moving picture photographed by the camera 240 by the arithmetic and control unit 300, but the movement sensor 250 provided on the upper surface of the mattress 140 of the bed 100 It is possible to detect the movement of the potato.

In the ninth step

The EEG and the heart rate collected by the sleep state sensing unit 200 are compared with a reference body temperature, an EEG, and a heart rate set in advance by the arithmetic and control unit 300, And determines whether the subject is awakened by the detected movement.

At this time, the operation control unit 300 compares the body temperature, brain waves, and heart rate collected by the sleep state detection unit 200 with reference body temperature, brain waves, and heart rate set in advance, When the brain waves and heart rate match, the body temperature, brain waves, and heart rate of the subject to take sleep, which is the fourth step, are performed again in the step of collecting in real time.

Also, the operation control unit 300 may compare the body temperature, the brain waves, and the heart rate collected by the sleep state detection unit 200 with a reference body temperature, an EEG, and a heart rate set in advance, When the subject is before sleeping, the sleeping state sensing unit 200 may collect the body temperature, brain waves, and heart rate of the subject for a designated time, if the body temperature, brain wave, and heart rate match .

If the body temperature, brain waves, and heart rate collected by the arithmetic and control unit 300 in real time are compared with reference body temperature, brain waves, and heart rate set in advance, If not, proceed to the next step.

In the tenth step

And transmitting a health abnormality message of the subject to an external destination when the subject is not awakened or is judged to have an abnormality in health, the method comprising the steps of: The arithmetic and control unit 300 sends a control signal to the communication unit 500 so that the communication unit 500 can transmit a health abnormality message of the subject to an external destination To receive an emergency first aid or emergency treatment.

The above-mentioned steps are exemplarily listed, and may be carried out in a different order depending on necessity.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: bed 110: frame
111: guide rail 112: support frame
120: Headboard 130: Baseboard
131: first base board 132: second base board
133: Pivot shaft 134: Pivoting means
140: Mattress 150: Quilt
200: sleeping state sensing unit 210: brain wave sensor
220: heart rate sensor 230: body temperature sensor
240: camera 250: motion sensor
300: operation control unit 400:
410: Vibrating means 420: Swinging means
421: Electric motor 422: Gear box
423: rotating shaft 424: eccentric cam
500: communication means

Claims (7)

A bed that includes a frame, a baseboard, a headboard, and a mattress, the potato lying down to sleep;
A brain wave sensor positioned on the head of the subject so as to detect the body temperature, brain waves, heart rate and movement of the subject in the sleeping state and measuring the brain waves of the subject to take a sleep on the bed; A heart rate sensor for sensing and counting a heart beat of the subject to take a sleep on the bed, a body temperature sensor for sensing the body temperature of the subject to be sleeped on the bed mounted on the body of the subject, A sleep state detection unit, which is provided on a headboard of the bed, and includes a camera for photographing the dynamic state of the subject to take a sleep on the bed;
An arithmetic and control unit for comparing the sleep state body temperature, brain waves, and heart rate of the subject to be sensed by the sleep state sensing unit with a preset reference body temperature, brain waves, and heart rate to determine whether or not the subject is in a state of sleep;
A stimulation unit driven by a control signal selectively sent by the arithmetic and control unit according to the judgment of the arithmetic and control unit to provide a physical stimulus to awaken a sleeping subject;
A communication means for selectively transmitting a health abnormality message of the subject to be inspected to the designation receiving unit at the judgment of the operation control unit;
And a motion sensor provided in the mattress of the bed for capturing the movement of the subject to take a sleep on the bed,
Wherein the magnetic pole portion is mounted in the mattress of the bed and is driven by a control signal selectively transmitted from the arithmetic and control unit at the judgment of the arithmetic and control unit to provide vibration to the mattress lying on the pad, And a swinging means for swinging the mattress of the bed by making upward and downward linear reciprocating motion of one side of the baseboard of the bed,
Wherein the bed is divided into a first base board on which the upper body of the potato is placed and a second base board on which the lower body of the potato is located and a base board on which the mattress is placed, The first base board is rotated by the control shaft to rotate up the axis of the first base board by the control signal selectively transmitted from the arithmetic control unit according to the judgment of the arithmetic and control unit, A bed system for detecting a sleeping condition comprising a rotating means for lifting up an upper body.
delete delete delete delete delete Providing a bed system for sleep state detection of claim 1;
Collecting body temperature, brain waves, and heart rate of a subject to be sleeping lying on the bed with the sleep state detection unit for a designated time;
Calculating a mean value of body temperature, brain waves, and heart rate of the subject to be collected during the designated time with the sleep state sensing unit, storing the reference value, and setting the reference body temperature, brain waves, and heart rate;
Collecting in real time the body temperature, brain waves, and heart rate of a subject subject to sleep lying on the bed with the sleep state sensing unit;
Comparing the body temperature, the brain waves, and the heart rate collected by the arithmetic and control unit with the reference body temperature, the brain wave, and the heart rate set in advance, thereby discriminating the health abnormality of the sleeping subject;
Transmitting a control signal from the arithmetic control unit to the stimulus unit when a health abnormality of the subject is detected based on a result of the determination by the arithmetic control unit;
The stimulation unit is driven for a designated time according to a control signal sent from the operation control unit, thereby stimulating the subject to be awakened;
Sensing the body temperature, brain waves, heart rate collection and movement of the subject by the sleep state sensing unit after the stimulation unit is driven to stimulate the subject to be stimulated;
Comparing the body temperature, brain waves, and heart rate collected by the sleep state detection unit with a reference body temperature, an EEG, and a heart rate set in advance by the arithmetic and control unit to determine whether the subject is awakened; And
Wherein the arithmetic and control unit sends a control signal to the communication unit to transmit the health abnormality message of the subject to the external destination based on the resultant data value determined by the arithmetic and control unit, ≪ / RTI >

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