KR20230082120A - Multifuntional air mat having snoring and sleep apnea relief functions - Google Patents

Abstract

The present invention relates to a multi-functional air mat with a function of alleviating snoring and sleep apnea, comprising: a mat body having a plurality of air cells arranged in an alignment; a valve block integrating solenoid valves for supplying and discharging air to and from each air cell of the mat body; an air pump supplying the air to the air cells through the valve block; a sensing unit including a pressure sensing part detecting a pressure exerted on each air cell by a user's load, and a sleep state sensing part provided in the mat body and detecting snoring and sleep apnea of the user; and a controller configured to control the operation of the valve block and the air pump to supply the air to each air cell or discharge the air from each air cell according to information detected by the pressure sensing part and the sleep state sensing part, thereby changing an area of the user's body in contact with the air cell to prevent the occurrence of bedsores and inducing the user to change a posture to alleviate snoring and sleep apnea.

Description

Multifunctional air mat having snoring and sleep apnea relief functions}

The present invention relates to a multifunctional air mat, and more particularly, to prevent pressure sores by repeatedly changing the location of pressure applied to the body of a user using the mat by alternately floating a plurality of air cells, and to prevent snoring and sleep It relates to a multi-functional air mat configured to provide functions that can alleviate symptoms of apnea.

In recent years, as the elderly population increases, the number of people living in bed due to diseases such as old age or dementia continues to increase. When lying on the bed in the same posture, excessive pressure is applied to the body part at the position where the patient's weight continuously contacts the mattress of the bed, and blood circulation and metabolism are smooth. As a result, pressure sores in which skin tissue necrosis occurs due to continued blood vessel occlusion.

When pressure ulcers occur, the dermis, which is the lower tissue, is damaged, and the subcutaneous fat layer, muscle, and bone tissue are damaged, resulting in serious problems. Air mat-related technologies are being developed that can prevent bedsores by controlling the supply of air, such as Korean Patent Registration No. 10-0871719, so that the pressured area can be released by changing it.

On the other hand, in recent years, technologies have been developed to provide multi-functions to alleviate snoring in addition to preventing pressure sores in air mats for preventing pressure sores, but this causes air mats to consume more energy and generate noise. There are disadvantages, so improvement is required, and it is also necessary to develop a technology that can provide each function more effectively.

Korean Registered Patent No. 10-0871719 (registered on November 26, 2008) Korean Registered Patent No. 10-2041451 (registered on October 31, 2019)

An object of the present invention is to provide a multifunctional air mat that can effectively provide a function to prevent pressure sores and alleviate symptoms of snoring and sleep apnea.

The problem to be solved by the present invention is not limited to the above-described problem, and may be expanded in various ways without departing from the spirit and scope of the present invention.

In order to achieve the above object of the present invention, a multifunctional air mat equipped with a snoring and sleep apnea relief function includes a mat body in which a plurality of air cells are arranged, and air is supplied and discharged to each air cell of the mat body. A valve block integrated with solenoid valves, an air pump supplying air to the air cell through the valve block, a pressure sensing unit that senses the pressure applied to each air cell by the user's load, and a user provided on the mat body a sensing unit including a sleep state sensing unit to detect snoring and sleep apnea, and the pressure sensing unit and the valve to supply air to or discharge air from each air cell according to information detected by the pressure sensing unit and the sleep state sensing unit. Includes a controller configured to control the driving of the block and the air pump, to prevent the occurrence of bedsores by changing the part where the user's body contacts the air cell, and to induce a change in the user's posture to alleviate snoring and sleep apnea It is characterized by doing.

In addition, the controller, based on the information detected by the pressure sensing unit, frequently changes the distribution of the degree of expansion of the air cells at positions corresponding to the user's location, thereby changing the part where the user's body comes into contact with the air cell to prevent pressure sores from occurring. Includes a bedsore prevention module that prevents pressure sores and a sleep state improvement module that detects snoring or sleep apnea while the user is sleeping based on information detected by the pressure sensing unit and the sleep state sensing unit and induces a change in the user's posture It is characterized by doing.

In addition, the sleep state sensing unit includes a plurality of acoustic sensors arranged spaced apart from each other along the circumference of the mat body, and the sleep state improvement module compares the magnitude of sound detected by the plurality of acoustic sensors, and the plurality of acoustic sensors It is characterized in that it is configured to detect the snoring state and the sleep apnea state of the user by using the acoustic information detected by the acoustic sensor having the largest magnitude of the detected sound.

In addition, the sleep condition improvement module sets an acoustic sensor having the largest detected sound among the plurality of acoustic sensors as a reference acoustic sensor, and sets two sound sensors at the most adjacent positions along the circumference of the mat body based on the set reference acoustic sensor. By setting two acoustic sensors as comparative acoustic sensors, the volume of sound collected from the reference acoustic sensor and comparative acoustic sensor is compared in real time, and when the acoustic sensor with the largest volume of collected sound fluctuates, the corresponding acoustic sensor is selected as the reference acoustic sensor. It is characterized in that the sensor is set to change, and the comparison acoustic sensor is configured to change the comparison acoustic sensor to the comparison acoustic sensor for the two acoustic sensors at the most adjacent positions along the circumference of the mat body based on the variable reference acoustic sensor.

In addition, the controller includes a load area analysis unit that analyzes a load area where the user is located through an air cell location where the user's load is sensed based on the information detected by the pressure sensing unit, and a total load analyzed by the load area analysis unit. If the area of the area below a predetermined ratio corresponds to the preset central area of the mat body, the air cells corresponding to the load area are moved from one side of the mat toward the circumference of the mat body so that the user's body moves toward the center of the mat body. It may further include a fall prevention module including a central movement induction unit configured to control the degree of air injection of the corresponding air cells so that the degree of inflation decreases sequentially toward the other side toward the center of the main body.

In addition, the fall prevention module generates a fall risk alarm and outputs it through an alarm output means when it is confirmed that the entire load area analyzed by the load area analyzer does not have an area corresponding to the preset central area of the mat body. It is characterized in that it further comprises a fall risk notification unit to be.

On the other hand, the multifunctional air mat equipped with a snoring and sleep apnea relieving function according to the present invention further includes an air injection pipe provided to inject air into the space between the air cells of the mat body, and the valve block is provided for air inflow. A valve body having a port, an air exhaust port, and a cell connection port, an air chamber provided inside the valve body, and a spool having an air hole that moves up and down inside the air chamber, and the air hole is formed by moving the spool up and down. A plurality of solenoid valves including a magnet core selectively communicating with the air inlet port or the air exhaust port, an inlet line connected to the air pump and into which the air supplied from the air pump flows, and one end of the inlet line An air inlet including a plurality of branch lines connected to one end and the other end connected to the air inlet port of each solenoid valve, and a plurality of exhaust lines, one end of which is connected to the air exhaust port of each solenoid valve, and one end of the plurality of branch lines. An air exhaust unit including a transfer line connected to the other end of the exhaust line and the other end connected to the air injection pipe so that air exhausted from the air exhaust port of each solenoid valve is collected and supplied to the air injection pipe. to be characterized

In addition, the air exhaust unit is provided with a return line having one end in communication with the transfer line and the other end in communication with the inlet line, and a connection portion between the transfer line and the return line, so that the air transported through the transfer line It is characterized in that it further comprises an on-off valve for controlling to be selectively supplied to any one of the air injection pipe or the inlet line.

The multifunctional air mat equipped with a snoring and sleep apnea relieving function according to the present invention includes a mat body, a valve block, an air pump, a sensing unit and a controller, and can alleviate snoring and sleep apnea with a function to prevent pressure ulcers. There are possible effects that can be provided at the same time.

In addition, the multifunctional air mat equipped with a snoring and sleep apnea relief function according to the present invention includes a plurality of sound sensors disposed along the circumference of the mat body in the sleep state sensing part, and the sleep state improvement module of the controller includes a plurality of It is configured to detect the user's snoring state and sleep apnea state by using the acoustic information detected by the acoustic sensor having the largest volume of the detected sound among the acoustic sensors, so that even if the user's position and posture change in the sleeping state, the user's gogol It has the effect of making it possible to more accurately check abnormal conditions and sleep apnea conditions.

In addition, in the multifunctional air mat equipped with a snoring and sleep apnea relief function according to the present invention, the sleep condition improvement module sets the acoustic sensor having the largest detected sound among the plurality of acoustic sensors as the reference acoustic sensor, and sets the Based on the standard acoustic sensor, a predetermined number of acoustic sensors are set as comparison acoustic sensors in the order of the shortest distances along the circumference of the mat body, and the size of the sound collected from the reference acoustic sensor and the comparative acoustic sensor is compared in real time. , If the acoustic sensor having the largest volume of the collected sound fluctuates, the corresponding acoustic sensor is set as the reference acoustic sensor for variation, and a predetermined number of spaced apart along the circumference of the mat body in order of short distance based on the variable reference acoustic sensor are set. By being configured to be able to change the acoustic sensor of the comparative acoustic sensor, there is an effect of enabling to more accurately determine the user's sleep state and at the same time reducing the energy consumed for this purpose.

In addition, the multifunctional air mat equipped with a snoring and sleep apnea relief function according to the present invention analyzes the load area located on the mat body by the user, and the corresponding ratio between the analyzed load area and the preset central area of the mat body. analysis, and based on this, a fall prevention module configured to induce the user's body to move toward the center of the mat body is included, thereby effectively preventing the user's body from falling to the outside of the air mat. has the effect of improving

In addition, the multifunctional air mat equipped with a snoring and sleep apnea relief function according to the present invention further includes an air injection pipe, and the valve block receives air exhausted from each air cell of the mat body and supplies it to the air injection pipe. It is possible to provide a blowing function supplied to the user's body to improve user convenience, and at the same time, by using the air exhausted from the air cell to provide a blowing function, it has an effect of reducing noise and improving energy efficiency.

In addition, the multifunctional air mat equipped with a snoring and sleep apnea relief function according to the present invention further includes a return line in the air exhaust part of the valve block, so that the air exhausted from the air cell is supplied with air for air cell expansion. By enabling re-supply to the line side, it is possible to further reduce energy consumption, which has an economical effect.

1 is a block diagram showing the configuration of a multifunctional air mat provided with snoring and sleep apnea relief functions according to an embodiment of the present invention.
2 is a perspective view illustratively showing a state in which a multifunctional air mat equipped with functions for relieving snoring and sleep apnea according to an embodiment of the present invention is placed on a bed.
3 is a plan view showing a multifunctional air mat provided with snoring and sleep apnea relief functions according to an embodiment of the present invention.
FIG. 4 is an enlarged view of an air cell portion of a multifunctional air mat equipped with functions for relieving snoring and sleep apnea according to an embodiment of the present invention.
5 is a block diagram showing the configuration of a valve block in more detail in the multifunctional air mat provided with snoring and sleep apnea relief functions according to an embodiment of the present invention.
6 is a cross-sectional view showing a state in which a solenoid valve supplies air to an air cell in a multifunctional air mat provided with functions for relieving snoring and sleep apnea according to an embodiment of the present invention.
7 is a cross-sectional view showing a state in which the solenoid valve discharges the air inside the air cell to the outside in the multifunctional air mat provided with snoring and sleep apnea relief functions according to an embodiment of the present invention.
8 is a side view illustratively illustrating a process of alternately expanding an air cell to prevent pressure sores in a multifunctional air mat equipped with functions for relieving snoring and sleep apnea according to an embodiment of the present invention.
9 is a diagram exemplarily showing before and after changing a reference acoustic sensor among a plurality of acoustic sensors according to a change in a user's position and posture in a multifunctional air mat equipped with a snoring and sleep apnea relief function according to an embodiment of the present invention. .
10 is a view showing a comparative example in which the load area corresponding to the central area of the mat body differs according to the user's position in the multifunctional air mat provided with snoring and sleep apnea relief functions according to an embodiment of the present invention.
FIG. 11 is a diagram showing the degree of expansion of an air cell in the state (b) of FIG. 10 by way of example.

For the embodiments of the present invention published in the text, specific structural or functional descriptions are merely exemplified for the purpose of explaining the embodiments of the present invention, and the embodiments of the present invention may be implemented in various forms, and the text It should not be construed as being limited to the embodiments described above.

Since the present invention can have various changes and various forms, specific embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to a specific form disclosed, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms may be used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle. Other expressions describing the relationship between elements, such as "between" and "directly between" or "adjacent to" and "directly adjacent to", etc., should be interpreted similarly.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as "comprise" or "having" are intended to indicate that the described feature, number, step, operation, component, part, or combination thereof exists, but that one or more other features or numbers are present. However, it should be understood that it does not preclude the presence or addition of steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. In general, terms such as those defined in a dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they are not interpreted in an ideal or excessively formal meaning.

In addition, for convenience of explanation, words referring to each direction, such as left, right, up, down, front, back, and similar names, are based on drawings for convenience of explanation, and may vary depending on the viewing direction or the arrangement of components. can

1 is a block diagram showing the configuration of a multifunctional air mat equipped with functions for relieving snoring and sleep apnea according to an embodiment of the present invention, and FIG. 2 is equipped with functions for relieving snoring and sleep apnea according to an embodiment of the present invention. FIG. 3 is a plan view showing a multifunctional air mat provided with functions for relieving snoring and sleep apnea according to an embodiment of the present invention, and FIG. 4 is a plan view of the present invention. 5 is an enlarged view of an air cell 110 in a multifunctional air mat provided with functions for relieving snoring and sleep apnea according to an embodiment of the present invention, and FIG. 6 is a block diagram showing the configuration of the valve block 200 in the multifunctional air mat in more detail, and FIG. 7 is a cross-sectional view of a state in which air is supplied to the air cell 110, and FIG. 7 is a multifunctional air mat equipped with a snoring and sleep apnea relief function according to an embodiment of the present invention, in which the solenoid valve 220 is inside the air cell 110 8 is a cross-sectional view of a state in which air is discharged to the outside, and FIG. 8 is an operation process of alternately inflating air cells 110 to prevent pressure sores in a multifunctional air mat equipped with a snoring and sleep apnea relieving function according to an embodiment of the present invention. FIG. 9 is a side view showing illustratively, and FIG. 9 is a reference sound among a plurality of acoustic sensors 421 according to changes in the user's position and posture in a multifunctional air mat equipped with a snoring and sleep apnea relief function according to an embodiment of the present invention. Figure 10 is a view showing before and after the change setting of the sensor 421a by way of example, and FIG. 11 is a view showing the degree of expansion of the air cell 110 in the state (b) of FIG. 10 by way of example.

1 to 11, the multifunctional air mat provided with snoring and sleep apnea relieving functions according to an embodiment of the present invention includes a mat body 100, a valve block 200, and an air pump 300. Including the sensing unit 400 and the controller 500, a function to prevent the occurrence of bedsores by varying the contact area of the user's body located on the mat body 100, and the user is in a snoring or sleep apnea state In the case of , it is configured to provide a function that induces a change in posture to alleviate symptoms, and a more detailed look is as follows.

First of all, the mat body 100 constitutes the basic body of the multifunctional air mat of the present invention, and is provided with air cells 110 having independent air pockets and relatively flat upper surfaces aligned, and a plurality of air cells 110 are It may be provided at regular intervals by aligning columns and rows in the direction and the transverse direction, and each air cell 110 is formed in an integrated quadrangular shape with bottom surfaces connected thereto.

Next, the valve block 200 integrates solenoid valves 220 for supplying and discharging air to each air cell 110 of the mat body 100, and includes a plurality of solenoid valves 220, air inflow. It includes a unit 210 and an air exhaust unit 230.

More specifically, each solenoid valve has a valve body 221 provided with an air inlet port 222, an air exhaust port 223 and a cell connection port 224, and air provided inside the valve body 221. The chamber 225, the spool 226 having the air hole 227 that is lifted inside the air chamber 225, and the spool 226 is lifted so that the air hole 227 is connected to the air inlet port 222 or air exhaust. As shown in FIGS. 6 and 7, including a magnet core 228 that selectively communicates with the port 223, the magnet core 228 is controlled by electromagnetic force so that the spool 226 moves up and down, thereby moving the spool 226 up and down. The air hole 227 formed in the air cell 226 selectively communicates with any one of the air inlet port 222 and the air exhaust port 223 to supply air to the air cell 110 or air inside the air cell 110. make it possible to release

In addition, the air inlet 210 is connected to the air pump 300 and has an inlet line 211 into which air supplied from the air pump 300 is introduced, and one end is connected to the end of the inlet line 211 and the other end includes a plurality of branch lines 212 connected to the air inlet port 222 of each solenoid valve 220.

In addition, the air exhaust unit 230 has one end connected to a plurality of exhaust lines 231 connected to the air exhaust port 223 of each solenoid valve 220, and one end connected to the other end of the plurality of exhaust lines 231. The other end is connected to the air injection pipe 600 and includes a transfer line 232 through which air exhausted from the air exhaust port 223 of each solenoid valve 220 is collected and transported.

Next, the air pump 300 is connected to the valve block 200 to supply air to the valve block 200 so that air can be supplied to each air cell 110 through the valve block 200 .

Next, the sensing unit 400 includes a pressure sensing unit 410 that senses the pressure applied to each of the air cells 110 by the user's load and is provided in the mat body 100 to prevent snoring and sleep apnea of the user. It includes a sleep state sensing unit 420 that senses.

At this time, the pressure sensing unit 410 includes a pressure sensor 411 provided at the bottom of each of the plurality of air cells 110 and detecting a pressure applied to each air cell 110 by a user's body weight.

In addition, the sleep state sensing unit 420 includes an acoustic sensor 421 provided on the circumference of the mat body 100, wherein the acoustic sensors 421 are spaced apart from each other along the circumference of the mat body 100. A plurality may be provided.

Next, the controller 500 is for controlling the driving of each component of the multifunctional air mat of the present invention, and basically, each air cell according to information detected by the pressure sensing unit 410 and the sleep state sensing unit 420. It is configured to control the operation of the valve block 200 and the air pump 300 so that air is supplied to the air cell 110 or the air inside each air cell 110 is discharged to the outside of the air cell 110.

More specifically, the controller 500 includes a pressure sore prevention module 510 and a sleep condition improvement module 520, and the pressure sore prevention module 510 controls the user based on information detected by the pressure sensing unit 410. Prevents the occurrence of pressure sores by changing the degree of contact and support of the area where the user's body is in contact with the air cell 110 by allowing the distribution of the degree of expansion of the air cells 110 at positions corresponding to the location of let it do

In addition, the sleep state improvement module 520 detects the snoring state or sleep apnea state when the user sleeps based on the information detected by the pressure sensing unit 410 and the sleep state sensing unit 420, and corresponds to the user's position. It is configured to induce a change in the user's posture by varying the distribution of the degree of expansion of the air cell 110 at the position, and a plurality of acoustic sensors 421 in the load area where the load of the user's body sensed by the pressure sensing unit 410 is sensed. ), the predetermined area adjacent to the acoustic sensor 421 having the largest detected sound is determined as the area corresponding to the user's head, inducing a change in the posture of the head, or the entire body, which is the area corresponding to the entire load area. At this time, the snoring state and the sleep apnea state are detected by the sound sensor 421 of the sleep state sensing unit 420 and collected according to the size, waveform, pattern, etc. of the sound collected. It can be configured to be detected by a program designed to detect sleep apnea, and also, in order to induce a change in the user's posture, the air cells 110 corresponding to the load area where the user's position is detected by the user's load The degree of expansion may be sequentially reduced from one side of the load area to the other side, so that the user's body moves from one side to the other side, or changes in posture such as being able to lie down may be induced.

Through this, the user's body changes the contact part of the air cell 110 to prevent the occurrence of pressure sores and induces a change in the user's posture so that snoring and sleep apnea can be alleviated. The operation process is shown in FIG. As described above, first, the air pump 300 is operated while the solenoid valve 220 is operated so that the supply passage of the valve block 200 is opened through the controller 500 so that air can be supplied. It is supplied to each air cell 110 of the mat body 100 through the block 200, so that the entire air cell 110 of the mat body 100 has a constant air pressure, and then the user presses the mat body 100 When lying on the stomach, the pressure sensing unit 410 detects the pressure change in each air cell 110 to determine the load area where the pressure due to the user's load is sensed, and the air cells 110 corresponding to the load area are preset. As the expansion degree distribution is frequently varied by being inflated or relaxed by cycles, the area where the user's body contacts the air cell 110 and the degree to which the body is in contact with and supported are varied, thereby preventing the occurrence of pressure sores.

On the other hand, in the sleep state improvement module 520, when the sleep state sensing unit 420 includes a plurality of acoustic sensors 421 spaced apart from each other along the circumference of the mat body 100, a plurality of acoustic sensors 421 ), and detects the user's snoring state and sleep apnea state using the acoustic information detected by the acoustic sensor 421 having the largest magnitude of the detected sound among the plurality of acoustic sensors 421. It is configured to do so, so that the user can continuously more accurately determine the user's sleep state, such as snoring and sleep apnea, even if the user's position and posture change in the sleep state.

In addition, the sleep condition improvement module 520 as described above sets the acoustic sensor 421 having the largest detected sound among the plurality of acoustic sensors 421 as the reference acoustic sensor 421a, and sets the set reference acoustic sensor. Based on (421a), a predetermined number of acoustic sensors 421 are set as comparative acoustic sensors 421b in order of the distances spaced apart along the circumference of the mat body 100 in the order of short, and compared with the reference acoustic sensor 421a. The size of the sound collected by the acoustic sensor 421b is compared in real time, and when the acoustic sensor 421 having the largest size of the collected sound changes, the corresponding acoustic sensor 421 is set as the reference acoustic sensor 421a. And, based on the set standard acoustic sensor 421a, the predetermined number of acoustic sensors 421 are changed to comparative acoustic sensors 421b in the order of the shortest distances along the circumference of the mat body 100. In FIG. 9, for example, four acoustic sensors 421 are set as comparison acoustic sensors 421b in order of the distances spaced apart along the circumference of the reference acoustic sensor 421a and the mat body 100 in short order. As an example, FIG. 9 shows a comparison between before and after the reference acoustic sensor 421a fluctuates as the user turns around during the sleep process. is driven, so even if the user's position on the mat body 100 and the user's posture change, the user's sleeping state can be determined more accurately, and energy consumption for this can be minimized, which is more preferable.

On the other hand, the sleep state improvement module 520 detects the user's snoring state or sleep apnea state during sleep based on the information detected by the sleep state sensing unit 420, and the user's pressure sensed by the pressure sensing unit 410. The degree of air supply to the air cell 110 corresponding to all or part of the load area according to the load is controlled to induce a change in the user's posture. At this time, the user's load area detected by the pressure sensing unit 410 is based on As a result, the air cells 110 corresponding to the load area of the field of use are directed from one side toward the circumference of the mat body 100 to the center of the mat body 100 so that the user's body moves toward the center area of the mat body 100. It is configured to control the degree of air injection of the corresponding air cells 110 so that the degree of expansion sequentially decreases toward the other side.

At this time, the multifunctional air mat equipped with a snoring and sleep apnea relief function according to the present invention is further provided with a separate sleep state detection sensor that detects whether the user is in a sleep state or a non-sleep state, so that the controller 500 detects the sleep state The sleep state improvement module 520 is configured to be driven only when the sensor confirms that the user is in a sleep state, or an input means (not shown) provided separately or provided on the controller or mat body so that the user can select and receive a drive mode input. ), it is also possible to configure the sleep state improvement module 520 to be driven only in a state in which the driving mode is selected and input as the sleep state mode by the user.

Meanwhile, the controller 500 may further include a fall prevention module 530 in the configuration as described above, and the fall prevention module 530, based on information detected by the pressure sensing unit 410, controls the user's The load area analysis unit analyzes the load area located on the mat body 100 by the user through the position of the air cell 110 where the load is sensed, and the area below a predetermined ratio among the total load areas analyzed by the load area analysis unit In the case of corresponding to the set central area of the mat body 100, one side of the air cells 110 corresponding to the load area faces the circumference of the mat body 100 so that the user's body moves toward the center of the mat body 100. It includes a center movement induction unit configured to control the degree of air injection of the corresponding air cells 110 so that the degree of expansion sequentially decreases toward the other side toward the center of the mat body 100, thereby changing the position of the user to the mat body. (100) Detects the degree of movement from the center to the outer circumference, and accordingly, when the user's body gradually moves outward from the center of the mat body 100, induces to move back to the center of the mat body 100 By doing so, it is possible to improve safety by preventing in advance the occurrence of a fall accident caused by being separated from the mat body 100 to the outside.

Referring to FIGS. 10 and 11, in the drawings, an example of the central area of the mat body 100 is shown as an area surrounded by a dashed-dot line. For reference, in FIG. 10 (a), the user's load area is a predetermined ratio In (b), when the user's load area corresponds to the central area of the mat body 100 at a predetermined ratio or less, in (c), the user's load The region indicates the case where the region corresponding to the central region of the mat body 100 does not exist, and as shown in FIG. 11, as shown in FIG. 11, the air cells 110 corresponding to the load area of the mat body 100 among the air cells 110 of the corresponding load area are located around the circumference of the mat body 100. The degree of expansion of the air cells 110 is sequentially reduced by controlling the degree of air injection of the corresponding air cells 110 in a state in which the degree of expansion sequentially decreases from one side toward the side toward the center of the mat body 100. In this way, the degree of expansion of the air cells 110 is sequentially reduced toward the center of the mat body 100, so that the user's body can tilt and move toward the center of the mat body 100.

At this time, the fall prevention module 530, in the configuration as described above, is an area in which the entire load area analyzed by the load area analyzer corresponds to the central area of the mat body 100, as shown in FIG. 10(c). If it is confirmed that the fall risk alarm does not exist, a fall risk notification unit for generating a fall risk alarm and outputting the fall risk alarm through an alarm output means (not shown) may be further included. If the user's body is actually located on the outer circumference side of the mat body 100 without moving to the center side after being induced to be located, the user or a guardian with the user immediately recognizes this and responds quickly to prevent a fall accident to make it possible to further improve safety.

On the other hand, in the multifunctional air mat equipped with a snoring and sleep apnea relief function according to an embodiment of the present invention, air is provided to spray air toward the user's body in the space between the air cells 110 of the mat body 100. Further including the officer 600, through which it is possible to further provide a blowing function for spraying air toward the user's body.

At this time, when the air injection pipe 600 is further provided, the transfer line 232 of the air exhaust part 230 of the valve block 200 is connected to the air injection pipe 600, so that the air cell 110 is exhausted. Air can be supplied to the air injection pipe 600 so that air for providing a blowing function can be supplied without additional energy consumption, and at the same time, a separate driving means such as an air pump 300 is used to provide a blowing function Since a blowing function can be provided without driving, noise can also be reduced.

On the other hand, in the above case, the air exhaust unit 230 of the valve block 200 has a return line 233 having one end in communication with the transfer line 232 and the other end in communication with the inlet line 211, and the transfer line ( 232) and the return line 233, provided at the connection part, to control the air transported through the transfer line 232 to be selectively supplied to either the air injection pipe 600 or the inlet line 211 (234). ) may be configured to further include.

In addition, in the above configuration, the valve block 200 is a flow sensor for detecting the amount of air exhausted through the exhaust line 231 at one end of the transfer line 232 connected to the plurality of exhaust lines 231 ( 235), when the flow rate sensor 235 confirms that air exhausted from the air cell 110 exists in a situation where air supply to the air cell 110 of the mat body 100 is required in the controller 500 In this case, the air pump 300 is operated after first supplying the exhausted air to the inlet line 211. In this case, energy efficiency is improved by minimizing energy consumption for supplying air to the air cell 110. In a situation where air supply to the air cell 110 is not required, it is possible to provide a blowing function through an air injection pipe, thereby providing multi-functions and significantly improving economic feasibility.

The above embodiment is merely an example, and other embodiments variously modified therefrom are possible to those skilled in the art.

Therefore, the true technical protection scope of the present invention should include not only the above embodiments but also variously modified other embodiments according to the technical spirit of the invention described in the claims below.

100: mat body
110: air cell
200: valve block
210: air inlet
211: inlet line
212: multiple branch lines
220: solenoid valve
221: valve body
222: air inlet port
223: air exhaust port
224: cell connection port
225: air chamber
226: spool
227: air hole
228: magnet core
230: air exhaust
231: exhaust line
232: transfer line
233: return line
234: on-off valve
235: flow sensor
300: air pump
400: sensing unit
410: pressure sensing unit
411: pressure sensor
420: sleep state sensing unit
421: acoustic sensor
500: controller
510: pressure sore prevention module
520: sleep condition improvement module
530: fall prevention module
600: air injection pipe

Claims (8)

a mat body in which a plurality of air cells are aligned;
a valve block integrated with solenoid valves for supplying and discharging air to each air cell of the mat body;
an air pump supplying air to the air cell through the valve block;
a sensing unit including a pressure sensing unit for sensing pressure applied to each air cell by a user's load, and a sleep state sensing unit provided in the mat body to detect snoring and sleep apnea of the user; and
The operation of the valve block and the air pump is controlled so that air is supplied to or discharged from each air cell according to information detected by the pressure sensing unit and the sleep state sensing unit, so that the user's body comes into contact with the air cell. A controller configured to prevent the occurrence of pressure sores by varying the affected area and induce a change in the user's posture to alleviate snoring and sleep apnea. air mat.
According to claim 1,
The controller,
a pressure sore prevention module that prevents bedsores from occurring by changing the area where the user's body comes in contact with the air cells by changing the distribution of the degree of expansion of the air cells at positions corresponding to the user's position from time to time based on the information detected by the pressure sensing unit; and ,
Based on the information detected by the pressure sensing unit and the sleep state sensing unit, a snoring state or sleep apnea state is detected when the user sleeps, and a sleep state improvement module induces a change in the user's posture. A multifunctional air mat equipped with functions to relieve teeth and sleep apnea.
According to claim 2,
The sleep state sensing unit
Includes a plurality of acoustic sensors spaced apart from each other along the circumference of the mat body,
The sleep condition improvement module
Comparing the loudness of the sound detected by the plurality of acoustic sensors, and detecting the user's snoring state and sleep apnea state using acoustic information detected by the acoustic sensor having the largest loudness of the detected sound among the plurality of acoustic sensors Characterized in that, a multifunctional air mat equipped with a function to relieve snoring and sleep apnea.
According to claim 3,
The sleep condition improvement module
Among the plurality of acoustic sensors, an acoustic sensor having the largest detected sound is set as a reference acoustic sensor, and a predetermined number of acoustic sensors are selected in order of distance along the circumference of the mat body according to the set reference acoustic sensor. By setting it as a comparative acoustic sensor, comparing the volume of the sound collected from the reference acoustic sensor and the comparative acoustic sensor in real time, and setting the acoustic sensor as the reference acoustic sensor when the acoustic sensor with the largest volume of the collected sound fluctuates. And, based on the reference acoustic sensor set to vary, snoring and sleep apnea relief, characterized in that configured to change and set a predetermined number of acoustic sensors to comparative acoustic sensors in the order of short distances spaced along the circumference of the mat body. A multifunctional air mat equipped with various functions.
According to claim 2,
The controller
A load area analysis unit that analyzes the load area located on the mat body by the user through the location of the air cell where the user's load is sensed based on the information detected by the pressure sensing unit, and the total load analyzed by the load area analysis unit. If the area of the area below a predetermined ratio corresponds to the preset central area of the mat body, the air cells corresponding to the load area are moved from one side of the mat toward the circumference of the mat body so that the user's body moves toward the center of the mat body. and a fall prevention module including a center movement induction unit configured to control the degree of air injection of the corresponding air cells so that the degree of inflation decreases sequentially toward the other side toward the center of the main body. Multifunctional air mat with relief function.
According to claim 5,
The fall prevention module
If it is confirmed that the entire load area analyzed by the load area analysis unit does not have an area corresponding to the central area of the mat body set in advance, a fall risk notification unit for generating a fall risk alarm and outputting it through an alarm output means is further added. Characterized in that it comprises, a multifunctional air mat equipped with a snoring and sleep apnea relief function.
According to claim 1,
An air injection pipe provided to inject air into the space between the air cells of the mat body;
The valve block
A valve body having an air inlet port, an air exhaust port, and a cell connection port, an air chamber provided inside the valve body, and a spool having an air hole that moves up and down inside the air chamber, A plurality of solenoid valves including a magnet core allowing holes to selectively communicate with the air inlet port or the air exhaust port;
An air inlet comprising an inlet line connected to the air pump and into which the air supplied from the air pump flows, and a plurality of branch lines having one end connected to the end of the inlet line and the other end connected to the air inlet port of each solenoid valve. wealth; and
One end is connected to a plurality of exhaust lines connected to the air exhaust port of each solenoid valve, one end is connected to the other end of the plurality of exhaust lines, and the other end is connected to the air injection pipe, and air is exhausted from the air exhaust port of each solenoid valve. A multifunctional air mat equipped with a function to relieve snoring and sleep apnea, characterized in that it includes;
According to claim 7,
The air exhaust part
A return line having one end in communication with the transfer line and the other end in communication with the inlet line;
Characterized in that it further comprises an on-off valve provided at the connection part between the transfer line and the return line to selectively control the air transported through the transfer line to be selectively supplied to either the air injection pipe or the inlet line. A multi-functional air mat equipped with functions to relieve snoring and sleep apnea.

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