KR20220014072A - Smart Diaper, Apparatus and Method for Sensing Urination State - Google Patents

Abstract

Disclosed are a smart diaper, and an apparatus and method for sensing a urination state. According to one aspect of an embodiment of the present invention, provided is a smart diaper which comprises: a diaper which is worn on a patient, absorbs urine output from the patient, and includes a conductor implemented with a component that can conduct a pulse on the opposite side of the surface which absorbs the urine; and a urination state sensing device which applies a pulse to the conductor in the diaper, senses the pulse induced from the conductor, and analyzes a sensing result to determine whether or not urination is in the diaper and the amount of urination.

Description

Smart Diaper, Apparatus and Method for Sensing Urination State

The present invention relates to a smart diaper capable of sensing the urination state, and an apparatus and method for sensing the urination state in the diaper by being mounted on the diaper.

The content described in this section merely provides background information for the present embodiment and does not constitute the prior art.

The rapid increase in dementia patients is a global phenomenon. The number of dementia patients worldwide is 44.35 million in 2013, 75.62 million in 2030, and 135.46 million in 2050, which is expected to more than triple over the next 35 years.

In particular, Korea is aging rapidly so that it is difficult to find a precedent in the world. It is predicted that it will take only 26 years from entering an aging society (in 2000) to entering a super-aged society (expected in 2026), which is 3-4 times faster than in developed countries in Europe and America.

As a result of the 2012 national dementia prevalence survey, the number of dementia patients among the elderly population aged 65 and over in 2015 was estimated to be 648,000, and it is expected to double every 17 years to exceed 1 million in 2024 and 2 million in 2041. It is expected. The dementia incidence rate is 7.9 per 1,000 people aged 65 and over per year, and it is predicted that one new dementia patient will occur every 12 minutes.

As such, as the number of dementia patients increases, various products for dementia patients are being developed. One of these is adult diapers that dementia patients can wear. Since it is difficult for dementia patients to control their urination by their own will, adult diapers solve the inconvenience (of dementia patients and their caregivers) due to unintentional urination of dementia patients.

However, since it is difficult for the dementia patient to clearly recognize whether he or she has urinated, a situation in which the adult diaper is worn for a long time after urination may occur. In this case, skin troubles such as discharge or rashes due to toxins in urine may occur on the part of the adult diaper worn. In order to solve this problem, in the prior art, there was an inconvenience in that the caregiver of the dementia patient had to frequently check the adult diaper of the dementia patient.

An embodiment of the present invention has an object to provide a urination state sensing device and method for sensing the urination state in the diaper and transmitting the sensing result to the terminal of the guardian.

According to one aspect of the present invention, a diaper comprising a conductor that is worn on a patient and absorbs urine discharged from the patient, and is implemented as a component capable of conducting a pulse on the opposite side of the surface that absorbs urine, and a conductor in the diaper It provides a smart diaper comprising a urination state sensing device that applies a pulse, senses a pulse induced from a conductor, and analyzes the sensing result to determine whether or not urination is in the diaper and the amount of urination.

According to one aspect of the present invention, the diaper is characterized in that it comprises a first conductor for conducting an applied pulse and a second conductor for conducting a pulse induced by the pulse applied to the first conductor.

According to one aspect of the present invention, the urination state sensing device is characterized in that it senses a pulse that is induced by the second conductor.

According to one aspect of the present invention, the urination state sensing device is characterized in that the sensing result exceeds a preset reference value to determine whether urination in the diaper has occurred.

According to one aspect of the present invention, the urination state sensing device is characterized in that, when the sensing result exceeds a preset reference value, the urination amount in the diaper is grasped according to the value of the sensing result.

According to one aspect of the present invention, a sensing unit for applying a pulse to a conductor in the diaper, sensing a pulse induced from the conductor, and a control unit for analyzing the sensing result of the sensing unit to determine whether or not urination in the diaper and the amount of urination in the diaper; It provides a urination state sensing device, characterized in that.

According to one aspect of the present invention, the diaper is characterized in that it comprises a first conductor for conducting an applied pulse and a second conductor for conducting a pulse induced by the pulse applied to the first conductor.

According to an aspect of the present invention, the sensing unit is characterized in that it senses a pulse induced by the second conductor is conducted.

According to an aspect of the present invention, the control unit is characterized in that the sensing unit detects whether urination in the diaper has occurred based on whether the sensing result exceeds a preset reference value.

According to one aspect of the present invention, when the sensing result of the sensing unit exceeds a preset reference value, the control unit is characterized in that it grasps the amount of urination in the diaper according to the value of the sensing result of the sensing unit.

According to an aspect of the present invention, in a method for a urination state sensing device to sense a urination state in a diaper, an application process of applying a pulse to a conductor in the diaper and a sensing process of sensing a pulse induced from the conductor by the application process and analyzing the sensing result in the sensing process to determine whether or not urination in the diaper is present and the amount of urination in the diaper.

According to one aspect of the present invention, the identification process is characterized in that it is determined whether urination has occurred in the diaper by whether a sensing result in the sensing process exceeds a preset reference value.

As described above, according to one aspect of the present invention, since the state of urination in the diaper is sensed and the sensing result is transmitted to the terminal of the guardian, there is an advantage in that the state in the diaper can be accurately identified even if the guardian does not directly check it.

1 is a view showing a urination state sensing system according to an embodiment of the present invention.
2 is a diagram showing the configuration of a urination state sensing device according to an embodiment of the present invention.
3 is a diagram illustrating an embodiment of a sensing unit according to an embodiment of the present invention.
4 is a graph illustrating a pulse output from a sensing unit and a sensed pulse according to an embodiment of the present invention.
5 is a graph illustrating sensing values sensed by the sensing unit according to an amount of urination and a position of urination according to an embodiment of the present invention.
6 is a graph illustrating a pulse sensed by a sensing unit and a filtered pulse when a wearer wears a diaper according to an embodiment of the present invention.
7 is a flowchart illustrating a method for sensing a urination state by the urination state sensing device according to an embodiment of the present invention.
8 is a flowchart illustrating a method for a guardian terminal to correct and output a urination state according to an embodiment of the present invention.

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing each figure, like reference numerals have been used for like elements.

Terms such as first, second, A, and B may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when a certain element is referred to as being “directly connected” or “directly connected” to another element, it should be understood that no other element is present in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. It should be understood that terms such as “comprise” or “have” in the present application do not preclude the possibility of addition or existence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification in advance. .

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

In addition, each configuration, process, process or method included in each embodiment of the present invention may be shared within a range that does not technically contradict each other.

1 is a view showing a urination state sensing system according to an embodiment of the present invention.

Referring to FIG. 1 , the urination state sensing system 100 according to an embodiment of the present invention includes a diaper 110 , a urination state sensing device 120 , and a guardian terminal 130 . At this time, the urination state sensing device 120 is connected to the diaper 110, so that both can form a single smart diaper.

The diaper 110 includes a conductor 115 to conduct a pulse output from the urination state sensing device 120 . The diaper 110 is worn by the wearer to absorb urine (or feces) discharged from the wearer. The diaper 110 includes a conductor 115 on the outer surface rather than the inner surface for absorbing urine. The conductor 115 is implemented as a component capable of conducting an applied pulse, and conducts a pulse output from the urination state sensing device 120 . For example, the conductor 115 may include carbon paste conductive ink. The conductor 115 has a constant resistance value, and when a pulse is output as a conductor, the intensity of the pulse decreases as the length of the conduction increases. For example, the conductor may have a resistance value of several tens of kΩ per 10 cm.

The conductor 115 is implemented with first and second conductors, and both conductors are disposed apart from each other by a predetermined distance. Here, the preset interval may be 1 cm. The first conductor 115a receives the pulse output from the urination state sensing device 120 and conducts it. Since both conductors are disposed within a predetermined interval, the voiding occurs regardless of whether the wearer is wearing the diaper and whether urination in the diaper has occurred. When a pulse is applied to the first conductor 115a, a pulse is induced to the second conductor 115b positioned adjacent to the first conductor 115a. The pulse induced by the second conductor 115b is conducted to the urination state sensing device 120 through the second conductor 115b.

At this time, the amount (size) of the pulse induced by the second conductor 115b varies according to the urination state in the diaper 110 . If urine is discharged between the first conductor 115a and the second conductor 115b, urine acts as a ground (ground) in terms of pulse induction. Accordingly, urine increases the induced rate of the pulse from the first conductor 115a to the second conductor 115b. Accordingly, since the induced rate of the pulse to the second conductor 115b varies depending on the presence of urine, whether urination is determined based on the induced pulse size. In addition, as the amount of urine increases and the urine is discharged from a position closer to the urination state sensing device 120, the induction rate of the pulse increases. Accordingly, the amount of urination may be determined by the magnitude of the induced pulse. In this way, the diaper 110 includes two conductors so that the urination state (whether urination and the amount of urination) can be grasped using the induction of pulses.

The urination state sensing device 120 is connected to the conductor 115 in the diaper 110 to sense the urination state in the diaper, and transmits the sensing result to the guardian terminal 130 .

The urination state sensing device 120 senses the urination state in the diaper. Here, the urination state includes whether urination in the diaper and the amount of urination during urination. The urination state sensing device 120 is disposed at one end of the diaper and connected to the conductors 115a and 115b, respectively. The urination state sensing device 120 applies a pulse to the first conductor 115s, and receives a pulse induced by the second conductor 115b from the second conductor 115b. As described above, when the urination in the diaper occurs, the induction rate of the pulse increases. Therefore, the urination state sensing device 120 detects an increase in the size of the preset reference value or more. In addition, as the amount of urination increases, the induced rate of the pulse increases, so that the magnitude of the pulse detected by the urination state sensing device 120 increases. That is, the urination state sensing device 120 may sense the urination state according to whether the induced pulse has an increase width equal to or greater than a preset reference value and to what extent the induced pulse has an increase width greater than a preset reference value.

The urination state sensing device 120 transmits the sensed result of the urination state to the guardian terminal 130 . The diaper 110 is mainly worn by a patient who has difficulty completely controlling urination by his/her own will (eg, a patient with dementia or a severe patient with inconvenient movement). In order to prevent skin troubles from occurring in the patient, the guardian needs to know the urination state of the patient wearing the diaper 110 in real time. The urination state sensing device 120 performs wireless communication with the guardian terminal 130 so that the guardian can check the current urination state of the diaper in real time using the guardian terminal 130 .

The guardian terminal 130 receives the urination state from the urination state sensing device 120, corrects the urination state and outputs it.

The increase in the rate of pulse induction to the second conductor 115b in the diaper significantly affects not only the amount of urination but also the position of urination. As described above, as the urine is discharged from a position closer to the urination state sensing device 120 , the pulse induction rate to the second conductor 115b increases more. However, the location of urination varies depending on the wearer's gender or physical condition. Accordingly, even if the same amount of urine is urinated, the sensed amount of urination may vary depending on the wearer's gender or physical condition. To prevent this, the guardian terminal 130 receives a correction value regarding the urination position from the outside (mainly, the guardian) before the measurement. The correction value may correspond to how far the urination position has an error with respect to a reference point within the diaper (eg, the center of the diaper). The correction value may be obtained by measuring the weight of the previously urinated diaper, or an error in the distance between the urination position and the reference point may be obtained when the wearer actually wears the diaper. When the correction value is calculated in various ways, the guardian terminal 130 receives the correction value once before measurement. In the case of the same wearer, since the urination position hardly changes, the guardian terminal 130 may receive the correction value only once.

When the urination state is received from the urination state sensing device 120, the guardian terminal 130 corrects the urination state using the correction value and outputs it. Since the urination state sensed by the urination state sensing device 120 is a result value sensed by recognizing that the wearer has urinated at the reference point without considering the urination position of the wearer, the guardian terminal 130 outputs the received information as it is. Instead, the urination state is corrected using the correction value. Accordingly, the guardian terminal 130 outputs an accurate urination state to the guardian.

In addition, the guardian terminal 130 may accumulate and store the corrected urination state value. By matching the information of the patient wearing the diaper 110 and accumulating and storing the urination state value, it is possible to provide the guardian with statistics on the amount of urination or the urination time of the patient.

2 is a diagram illustrating the configuration of a urination state sensing device according to an embodiment of the present invention, and FIG. 3 is a diagram showing an embodiment of a sensing unit according to an embodiment of the present invention.

Referring to FIG. 2 , the urination state sensing device 120 according to an embodiment of the present invention includes a sensing unit 210 , a control unit 220 , a communication unit 230 , a battery 240 , and a memory unit 250 . do.

The sensing unit 210 is connected to the conductor 115 in the diaper 110 and senses the urination state of the diaper 110 using a pulse. The sensing unit 210 applies a pulse (voltage) to the first conductor 115a and receives a pulse (voltage) induced by the second conductor 115b from the second conductor 115b. As shown in FIG. 3 , the sensing unit 210 includes a portion 310 for applying a pulse and a portion 320 for sensing the applied pulse, each of which includes a first conductor 115a and a second conductor. (115b) is connected. The sensing unit 210 senses an applied pulse (voltage) to sense an induced rate of the pulse. A pulse applied by the sensing unit 210 and a pulse applied and sensed are shown in FIG. 4 .

4 is a graph illustrating a pulse output from a sensing unit and a sensed pulse according to an embodiment of the present invention.

The sensing unit 210 applies the pulses 410 , 440 , and 470 to the first conductor 115a. When a pulse is applied, a pulse is not always induced to the second conductor 115b, but a pulse is mainly induced at an edge portion where the amplitude of the applied pulse rapidly changes. Accordingly, the sensing unit 210 senses the pulses 420 , 450 , and 480 induced through the second conductor 115b. Referring to the induced pulses 420 , 450 , and 480 , it can be seen that a change in amplitude occurs at the edge portion of the pulses 410 , 440 , and 470 . In general, the sensing unit 210 senses a pulse having a constant average amplitude. At the rising edge of the pulses 410 , 440 , and 470 , the amplitude of the pulses 420 , 450 , and 480 sensed by the sensing unit 210 increases at the same time or after a predetermined time has elapsed. Conversely, at the falling edge of the pulses 410 , 440 , and 470 , the amplitude of the pulses 420 , 450 , and 480 sensed by the sensing unit decreases at the same time or after a predetermined time has elapsed. As described above, the induction rate of the pulse varies according to the state of urination.

When there is no urination, as shown in FIG. 4A , at the falling edge of the pulse 410 , an amplitude change 435 (a decrease from the average value) in the induced pulse 420 occurs below a preset reference value. In particular, in the pulse 420 induced at the moment of the falling edge of the pulse 410 , the amplitude decrease 435 occurs below the preset reference value. Since an increase in the organic rate due to urination does not occur, the decrease in amplitude is not large.

On the other hand, when urination is present as in FIG. 4B or FIG. 4C, at the falling edge of pulses 440 and 470, amplitude changes (465, 495, decreased from the average value) in the induced pulses 450 and 480 are significant. Exceeds the set standard. In particular, since the induced rate of the pulse increases more as the amount of urination increases, the amplitude change (495, decreased from the average value) in the induced pulse 480 is more prominent.

As such, the sensing unit 210 may sense the urination state based on whether the amplitude change of the induced pulse sensed by the sensing unit 210 is greater than or equal to a preset reference value and the amount of change.

Referring back to FIGS. 2 and 3 , the sensing unit 210 may perform filtering on the sensed value in order to reduce an error in sensing the induced pulse. The sensing unit 210 may perform media filtering after sensing an amplitude increase of the induced pulse, sensing a plurality of times for a preset time. As described above, since the applied pulses 410 , 440 , and 470 have a preset width, a decrease in the amplitude of the induced pulse is sensed after a predetermined time after the increase in the amplitude of the induced pulse is sensed. In this case, the sensing unit 210 may perform media filtering after sensing a plurality of times for a preset time in order to reduce an error in sensing the decrease in the amplitude of the induced pulse. For example, the preset time may be 1 second. The sensing unit 210 may improve the accuracy of the sensing result by performing media filtering after sensing a plurality of times for a preset time.

The control unit 220 analyzes the urination state based on the sensing result of the sensing unit 210 .

The control unit 220 analyzes whether urination and the amount of urination in the diaper 110 are based on the sensing result of the sensing unit 210 . As described above, whether or not to urinate is determined according to whether the decrease amount (from the average value) of the pulse induced at the falling edge of the pulse applied according to whether urination exceeds a preset reference value. When it is determined that urination has occurred because the amount decreased from the average value of the induced pulse exceeds the preset reference value, the controller 220 analyzes the amount of urination by identifying the decrease amount. In the memory unit 250, amounts decreased from the average value of pulses induced according to each amount of urination are stored correspondingly. The control unit 220 determines the amount of urination from the reduced amount determined based on the information stored in the memory unit 250 .

In determining the amount of decrease (from the average value) of the induced pulse, the control unit 220 grasps the decrease amount of the pulse at a preset point in the sensing result of the sensing unit 210 . When the urination state sensing device 120 senses the urination state while the diaper 110 is not worn by the patient, it may sense a waveform identical or similar to the waveform shown in FIG. 4 . However, if the diaper 110 is worn on the patient, a waveform in which a triangular waveform having a predetermined frequency is added to the induced pulses 420 , 450 , and 480 due to the human body is sensed. Waveforms sensed when the patient wears the diaper 110 are shown in FIGS. 6 and 7 .

6 is a graph illustrating a pulse sensed by a sensing unit and a filtered pulse when a wearer wears a diaper according to an embodiment of the present invention.

Referring to FIG. 6A , the waveform of the organic pulse sensed by the sensing unit 210 shows the same increase and decrease in amplitude occurring at the rising edge and the falling edge of the applied pulse, but having an average value uniformly in the remaining sections However, it can be confirmed that it has a constant triangular waveform. When the sensed organic pulses do not have a uniform average value and have a triangular waveform, a result in which the amplitude reduction amount of the organic pulse is different may occur according to the amplitude of the triangular waveform. Since the change in amplitude decrease affects the result of urination, the reliability of the test result may be affected.

In order to solve this problem, the controller 220 sets the zero crossing point of the triangular waveform as the measurement point of the amplitude decrease. When a patient wears a diaper, the amplitude of the triangular waveform may vary depending on the patient, but the frequency of the generated triangular waveform is mostly the same or similar. Using these characteristics, the control unit 220 first performs filtering, such as a convolution median filter, on the waveform of the organic pulse sensed by the sensing unit 210. The filtered pulse is shown in FIG. 6B As such, noise generated in the remaining parts except for the rising and decreasing parts of the amplitude generated at the rising edge and the falling edge of the applied pulse is removed.

Thereafter, the controller 220 determines the zero crossing point of the triangular waveform. As described above, since the frequency of the triangular waveform is substantially the same regardless of the patient wearing it, the zero crossing point can be identified regardless of which patient wears it. The control unit 220 identifies a point at which the detected zero crossing point coincides with a portion in which the amplitude of the organic pulse sensed by the sensing unit 210 decreases. As described above, the portion in which the amplitude in the induced pulse decreases necessarily occurs after a time elapsed by the width of the pulse from the portion in which the amplitude in the induced pulse increases. Accordingly, the controller 220 identifies a point at which a portion in which the amplitude of the induced pulse decreases and the identified zero crossing point coincide, and determines the amount of decrease in the induced pulse at the corresponding point. Through this process, even if a change in amplitude occurs because the patient wears the diaper 110 , the controller 220 can accurately determine the amount of decrease in the amplitude of the organic pulse.

Referring back to FIG. 2 , the controller 220 controls the communication unit 230 to transmit the analyzed urination state to the guardian terminal 130 .

The communication unit 230 transmits the urination state of the patient wearing the diaper 110 to the guardian terminal 130 under the control of the control unit 220 . The communication unit 230 may communicate with the guardian terminal 130 using various wireless communications such as Bluetooth. The communication unit 230 transmits the urination state of the patient wearing the diaper 110 to the guardian terminal 130 .

The battery 240 provides power to enable each component in the urination state sensing device 120 to operate. The battery 240 may be detachable or may be charged by receiving power from the outside.

The memory unit 250 stores amounts decreased from the average value of pulses induced according to each amount of urination. Furthermore, the memory unit 250 stores information (such as a frequency) of a triangular waveform generated when the patient wears the diaper 110 .

5 is a graph illustrating sensing values sensed by the sensing unit according to an amount of urination and a position of urination according to an embodiment of the present invention.

5 (a) shows the sensing result at a position where the urination position is relatively close to the urination device sensing device 110 with respect to the center, and FIG. 5 (b) shows the urination position is relative to the center The sensing result at a location far from the device sensing device 110 is shown.

Even in the case of the same amount of urination, it can be seen that the sensed amplitude value becomes larger when the urination position approaches the urination device sensing device 110 . A larger amplitude value means that the amount of increase in the amplitude of the pulse derived from the average value is larger. As described above, as the urination position is closer to the urination device sensing device 110, the induction rate of the pulse increases, so it can be seen that the increase in the amplitude of the induced pulse is large.

Similarly, it can be seen that the increase in the amplitude of the induced pulse increases as the amount of urination increases at the same urination position.

In addition, it can be confirmed that the increase amount of the amplitude of the induced pulse changes when the urination positions are different even for the same amount of urination. The urination device sensing device 110 senses the urination state as if sensed at a reference point within the diaper (eg, the center of the diaper) without considering the position of urination. The result sensed from the urination device sensing device 110 without considering the urination position is transmitted to the guardian terminal 130, and the sensed value (urination state) so that the urination position is reflected using the correction value input from the guardian terminal 130 correct the

7 is a flowchart illustrating a method for sensing a urination state by the urination state sensing device according to an embodiment of the present invention.

The sensing unit 210 applies a pulse to the first conductor 115a in the diaper 110 (S710).

The sensing unit 210 senses a pulse induced in the second conductor 115b by a pulse applied to the first conductor 115a (S720).

The controller 220 analyzes the magnitude of the sensed pulse to determine whether urination and the amount of urination (S730).

The communication unit 230 transmits the analysis result to the guardian terminal 130 (S740).

8 is a flowchart illustrating a method for a guardian terminal to correct and output a urination state according to an embodiment of the present invention.

The guardian terminal 130 receives the urination status and the urination amount analysis result from the urination state sensing device 120 (S810).

The guardian terminal 130 reflects the received correction value to the received result (S820),

The guardian terminal 130 outputs a result in which the correction value is reflected (S830).

Although it is described that each process is sequentially executed in FIGS. 7 and 8 , this is merely illustrative of the technical idea of an embodiment of the present invention. In other words, a person of ordinary skill in the art to which an embodiment of the present invention pertains may change the order described in each drawing within a range that does not depart from the essential characteristics of an embodiment of the present invention, or perform one or more of each process. Since various modifications and variations can be applied by executing in parallel, FIGS. 7 and 8 are not limited to a time-series order.

Meanwhile, the processes shown in FIGS. 7 and 8 can be implemented as computer-readable codes on a computer-readable recording medium. The computer-readable recording medium includes all types of recording devices in which data readable by a computer system is stored. That is, the computer-readable recording medium includes a storage medium such as a magnetic storage medium (eg, ROM, floppy disk, hard disk, etc.) and an optically readable medium (eg, CD-ROM, DVD, etc.). In addition, the computer-readable recording medium is distributed in a network-connected computer system so that the computer-readable code can be stored and executed in a distributed manner.

The above description is merely illustrative of the technical idea of this embodiment, and a person skilled in the art to which this embodiment belongs may make various modifications and variations without departing from the essential characteristics of the present embodiment. Accordingly, the present embodiments are intended to explain rather than limit the technical spirit of the present embodiment, and the scope of the technical spirit of the present embodiment is not limited by these embodiments. The protection scope of this embodiment should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be interpreted as being included in the scope of the present embodiment.

100: urination state sensing system
110: diaper
115: conduction wire
120: urination state sensing device
130: guardian terminal
210: sensing unit
220: control unit
230: communication department
240: battery
250: memory unit

Claims (12)

a diaper that is worn on a patient and absorbs urine discharged from the patient, the diaper including a conductor embodied as a component capable of conducting a pulse on the opposite side of a surface that absorbs urine; and
A urination state sensing device that applies a pulse to the conductor in the diaper, senses a pulse induced from the conductor, and analyzes the sensing result to determine whether or not urination is in the diaper and the amount of urination
A smart diaper comprising a. According to claim 1,
The diaper is
A smart diaper comprising a first conductor conducting an applied pulse and a second conductor conducting a pulse induced by a pulse applied to the first conductor. 3. The method of claim 2,
The urination state sensing device,
Smart diaper, characterized in that sensing a pulse that is induced and conducted by the second conductor. According to claim 1,
The urination state sensing device,
A smart diaper, characterized in that it is determined whether urination has occurred in the diaper by whether the sensing result exceeds a preset reference value. 5. The method of claim 4,
The urination state sensing device,
A smart diaper, characterized in that when the sensing result exceeds a preset reference value, the amount of urination in the diaper is determined according to the value of the sensing result. a sensing unit that applies a pulse to a conductor in the diaper and senses a pulse induced from the conductor; and
A control unit that analyzes the sensing result of the sensing unit to determine whether or not urination in the diaper and the amount of urination
Urination state sensing device comprising a. 7. The method of claim 6,
The diaper is
A urination state sensing device comprising: a first conductor conducting an applied pulse; and a second conductor conducting a pulse induced by a pulse applied to the first conductor. 8. The method of claim 7,
The sensing unit,
Urination state sensing device, characterized in that for sensing a pulse that is induced and conducted by the second conductor. 7. The method of claim 6,
The control unit is
A urination state sensing device, characterized in that it is determined whether urination has occurred in the diaper based on whether the sensing result of the sensing unit exceeds a preset reference value. 10. The method of claim 9,
The control unit is
When the sensing result of the sensing unit exceeds a preset reference value, the urination state sensing device, characterized in that it grasps the amount of urination in the diaper according to the value of the sensing result of the sensing unit. In the method for the urination state sensing device to sense the urination state in the diaper,
an application process of applying a pulse to the conductor in the diaper;
a sensing process of sensing a pulse induced from a conductor by the application process; and
An identification process of analyzing the sensing result in the sensing process to determine whether or not urination in the diaper and the amount of urination in the diaper
Urination state sensing method comprising a. 12. The method of claim 11,
The identification process is
A urination state sensing method, characterized in that it is determined whether urination has occurred in the diaper by whether the sensing result in the sensing process exceeds a preset reference value.

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