CN109259936B - Intelligent diaper and working method thereof - Google Patents
Intelligent diaper and working method thereof Download PDFInfo
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- CN109259936B CN109259936B CN201811269143.7A CN201811269143A CN109259936B CN 109259936 B CN109259936 B CN 109259936B CN 201811269143 A CN201811269143 A CN 201811269143A CN 109259936 B CN109259936 B CN 109259936B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 210000002700 urine Anatomy 0.000 claims abstract description 91
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 239000002344 surface layer Substances 0.000 claims abstract description 23
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 239000012792 core layer Substances 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 12
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052709 silver Inorganic materials 0.000 claims abstract description 10
- 239000004332 silver Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims description 24
- 238000009736 wetting Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 13
- 230000002745 absorbent Effects 0.000 claims description 7
- 239000002250 absorbent Substances 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000027939 micturition Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000474 nursing effect Effects 0.000 description 5
- 206010021639 Incontinence Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 206010012444 Dermatitis diaper Diseases 0.000 description 1
- 208000003105 Diaper Rash Diseases 0.000 description 1
- 206010014198 Eczema infantile Diseases 0.000 description 1
- 201000006347 Intellectual Disability Diseases 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 206010046543 Urinary incontinence Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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- 238000001223 reverse osmosis Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
- A61F2013/421—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm the alarm being a temperature change
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
- A61F2013/424—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm having an electronic device
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention relates to an intelligent diaper and a working method thereof, wherein the intelligent diaper comprises a diaper body, a diaper sensing unit, a control unit and a prompting unit, the diaper body comprises a surface layer, an absorption core layer and a base cloth layer, the diaper sensing unit is connected with the surface layer and is used for detecting the diaper condition; the control unit is used for detecting the voltage value of the urine wet sensing unit and outputting a control signal according to the change condition of the voltage value; and the prompting unit is used for prompting according to the control signal. The invention utilizes the voltage detection module of the control unit to detect the voltage change between the first sensing electrode and the second sensing electrode of the urine-wet sensing unit, compares the detected voltage value with the set threshold value to output the control signal, prompts the urine-wet information and replaces the urine-wet in time by the prompting unit, and the materials of the first sensing electrode and the second sensing electrode are respectively conductive deposited silver fabrics, thereby improving the safety and reducing the cost.
Description
Technical Field
The invention relates to diaper, in particular to intelligent diaper and a working method thereof.
Background
Disposable diaper is a daily necessity for infants, adults suffering from urinary incontinence diseases or lacking self-care ability, and dry diaper plays an important role in healthy growth of infants and incontinent adults lacking self-care ability. The conventional diaper is generally composed of a surface layer, an absorbent core layer and a base fabric layer, wherein the edge of the surface layer is glued with the edge of the base fabric layer, and the absorbent core layer is arranged between the surface layer and the base fabric layer. The surface layer is usually a non-woven fabric surface layer, is clung to the body of a user, is soft and comfortable, does not irritate the skin, can promote urine to quickly permeate and effectively prevent the urine from permeating, keeps the surface of the diaper dry and comfortable, has good air permeability, and can timely diffuse water vapor in the diaper of a baby to the outside, so that the occurrence rate of diaper rash is effectively reduced. The absorbent core layer is a block structure composed of pure wood pulp (fluff pulp) and super absorbent resin (SAP), and can capture and rapidly absorb urine and disperse the urine by capillary action to store the urine. The base cloth layer is a more comfortable non-woven fabric layer or a PE film layer with better adsorptivity.
When the existing diaper is not replaced in time due to the occurrence of the conditions of diaper wetting, fecal wetting, reverse osmosis, side leakage and the like, the existing diaper is easy to induce infantile eczema, even the diseases such as urinary tract infection and the like are possibly caused, serious injury is caused to the health of infants, and great inconvenience or adverse effect is caused to the life of incontinent adults. At present, only a temperature and humidity sensor or other odor sensors or other various sensors can be adopted to detect the wet condition of the urine, but the number of elements is large, the cost is high, the number of times of the wet replacement of the urine is gradually reduced from ten times per day to six times per day in the growth stage of infants, and the long-term use cost is too high for disposable wet prevention; if some reusable high-cost humidity sensors are adopted, the sensors often have the problems that the materials are harmful to the skin, the skin feel uncomfortable, the diaper is replaced after being wetted by the diaper, and the sensors are worried about insanitation and uncleanness, and must be carefully cleaned, so the sensors are not suitable for most families, infant hospitals and nursing homes.
Therefore, it is necessary to design a new diaper, which has the advantages of extremely low cost, high safety and timely prompting of diaper information.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an intelligent diaper and a working method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the intelligent diaper comprises a diaper body, a diaper sensing unit, a control unit and a prompting unit, wherein the diaper body comprises a surface layer, an absorption core layer and a base cloth layer, and the diaper sensing unit is connected with the surface layer; the urine wet sensing unit is used for detecting the urine wet condition; the control unit is used for detecting the voltage value of the urine wet sensing unit and outputting a control signal according to the change condition of the voltage value; and the prompting unit is used for prompting according to the control signal.
The further technical scheme is as follows: the urine wetness sensing unit is located between the facing layer and the absorbent core layer.
The further technical scheme is as follows: the urine wet sensing unit comprises a first sensing electrode and a second sensing electrode, an interval is arranged between the first sensing electrode and the second sensing electrode, one end of the first sensing electrode is connected with the control unit, and one end of the second sensing electrode is also connected with the control unit.
The further technical scheme is as follows: the materials of the first sensing electrode and the second sensing electrode are respectively conductive deposited silver fabrics.
The further technical scheme is as follows: one end of the first induction electrode is connected with the control unit through a first connecting terminal, and one end of the second induction electrode is connected with the control unit through a second connecting terminal.
The further technical scheme is as follows: one end of the first sensing electrode, which is connected with the first connecting terminal, is connected with the control unit through a detection resistor R1.
The further technical scheme is as follows: the control unit comprises a main control chip U1, and the main control chip U1 is respectively connected with the urine wet sensing unit and the prompting unit; the model of the main control chip U1 is CC2640.
The further technical scheme is as follows: the control unit further comprises a voltage detection module, the voltage detection module is respectively connected with the first induction electrode and the second induction electrode, and the voltage detection module is connected with the main control chip U1.
The further technical scheme is as follows: the control unit also comprises a wireless communication module, and the wireless communication module is in wireless connection with the prompting unit.
The invention also provides an intelligent diaper working method, which comprises the following steps:
the main control chip U1 drives the voltage detection module to acquire a voltage value between the first induction electrode and the second induction electrode;
transmitting the voltage value to a main control chip U1;
the main control chip U1 judges whether the voltage value is reduced or not and whether the voltage value is lower than a set threshold value or not;
if yes, the main control chip U1 outputs a control signal to the prompting unit so as to remind that the diaper is changed.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the urine wet sensing unit is arranged between the surface layer and the absorption core layer of the urine non-wet body or on the surface layer, the urine wet sensing unit is used for detecting the urine wet condition, the voltage detection module of the control unit is used for detecting the voltage change between the first sensing electrode and the second sensing electrode of the urine wet sensing unit, the detected voltage value is compared with the set threshold value to output a control signal, the prompting unit is used for prompting the urine wet information in time and replacing the urine non-wet in time, and the materials of the first sensing electrode and the second sensing electrode are respectively conductive deposited silver fabrics, so that the safety can be improved and the cost can be reduced.
The invention is further described below with reference to the drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an intelligent diaper according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of an intelligent diaper provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating connection of a urine wetness sensing unit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a specific circuit of an intelligent diaper according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an intelligent diaper according to a second embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As shown in the specific embodiments of fig. 1 to 5, the intelligent diaper provided by the embodiment can be used in ordinary families, is also suitable for being applied to occasions such as infant and critical patient wards, neonatal nursing wards, nursing homes and the like, has low cost and high safety, and can prompt the diaper information in time.
The intelligent diaper comprises a diaper body, a diaper sensing unit 11, a control unit 14 and a prompting unit 15, wherein the diaper body comprises a surface layer 1, an absorption core layer 2 and a base cloth layer 3, the diaper sensing unit 11 is connected with the surface layer 1, and the diaper sensing unit 11 is used for detecting the diaper condition; a control unit 14 for detecting the voltage value of the urine wetness sensing unit 11 and outputting a control signal according to the change condition of the voltage value; the prompting unit 15 is configured to prompt according to a control signal.
Referring to fig. 1, fig. 1 is a schematic diagram of an intelligent diaper according to an embodiment of the present invention, and a diaper sensing unit 11 is located between a facing layer 1 and an absorbent core layer 2.
In an embodiment, the urine wetness sensing unit 11 includes a first sensing electrode 111 and a second sensing electrode 112, a space is provided between the first sensing electrode 111 and the second sensing electrode 112, one end of the first sensing electrode 111 is connected to the control unit 14, and one end of the second sensing electrode 112 is connected to the control unit 14.
The urine wet sensing unit 11 is a parallel strip-shaped or other shape first sensing electrode 111 and a second sensing electrode 112 which are not connected with each other and are formed by conductive deposited silver fabrics, namely, the materials of the first sensing electrode 111 and the second sensing electrode 112 are respectively conductive deposited silver fabrics, the distance between the two sensing electrodes and the position on the urine non-wet area are determined according to the possible urine wet part of the urine non-wet body and the urine wet detection sensitivity, the two sensing electrodes are pre-buried between the surface layer 1 and the absorption core layer 2 when the urine non-wet body is manufactured, the two sensing electrodes are tightly attached to the absorption core layer 2, and a resistance with a certain distance is formed between the two sensing electrodes, so that the resistance value influenced by the humidity of the surface layer 1 and the absorption core layer 2 is reduced, the cost of the whole urine non-wet area is reduced, and the safety is high.
In one embodiment, one end of the first sensing electrode 111 is connected to the control unit 14 through the first connection terminal 12.
One end of the second sensing electrode 112 is connected to the control unit 14 through a second connection terminal 13.
One end of the first sensing electrode 111 is suspended (i.e. is not connected with any conductive material), the other end of the first sensing electrode is suspended, the other end of the second sensing electrode 112 is suspended, the other end of the second sensing electrode is connected with the second conductive connecting terminal 13, and the two connecting terminals are connected with corresponding input ends of the control unit 14 through inserted or clamped conductive connecting wires; the resistance value between the two mutually unconnected induction electrodes is infinite under the condition that the diaper body is dry, so that the voltage of the two induction electrodes is very large and is close to the power supply voltage of the control unit, the voltage between the two induction electrodes is output to the resistor R1 by the output pin A of the control chip U1 and is added between the induction electrodes, and the voltage is equal to the voltage division of the resistor between the resistor R1 and the induction electrodes, so that the resistor is relatively large when the diaper is dry; the resistance value can be reduced under the condition of the urine wet of the urine non-wet body, and can be reduced along with the increase of the urine absorption quantity of the absorption core layer 2, the voltage of the two sensing electrodes is gradually reduced, a voltage threshold can be set, when the voltage value between the two sensing electrodes is lower than the voltage threshold, the urine wet of the urine non-wet body is serious, the urine wet information can be timely prompted, and the urine changing non-wet operation can be carried out.
In an embodiment, the connection point between the first sensing electrode 111 and the first connection terminal 12 is further connected to the control unit 14 through the detection resistor R1.
In an embodiment, the control unit 14 includes a main control chip U1, and the main control chip U1 is connected to the urine wetness sensing unit and the prompting unit respectively.
Specifically, the main control chip U1 is connected to the first sensing electrode 111 of the urine wet sensing unit 11 through the first connection terminal 12, the main control chip U1 is connected to the second sensing electrode 112 of the urine wet sensing unit 11 through the second connection terminal 13, and the main control chip U1 is connected to the prompt unit 15 in a wireless manner.
In this embodiment, the model of the main control chip U1 includes, but is not limited to, CC2640.
In an embodiment, the control unit 14 further includes a voltage detection module 141, where the voltage detection module 141 is connected to the first sensing electrode 111 and the second sensing electrode 112, and the voltage detection module 141 is connected to the main control chip U1.
Specifically, the voltage detection module 141 is connected to the first connection terminal 12 and the second connection terminal 13, respectively.
The voltage detection module 141 is used for collecting the voltages at the two ends of the first sensing electrode 111 and the second sensing electrode 112 so as to judge the wet condition of urine, and the detection is more accurate and convenient.
In one embodiment, the control unit 14 further includes a wireless communication module 142, and the wireless communication module is wirelessly connected to the prompting unit 15. The wireless communication module 142 includes, but is not limited to, a bluetooth module, and may also be a communication module such as a ZigBee module.
The main control chip U1 can be connected with the mobile terminal through the wireless communication module 142, the mobile terminal is provided with a urine non-wetting APP, the urine non-wetting APP periodically detects the Bluetooth signal intensity of the received wireless communication module 142, the distance between the mobile terminal and the main control chip U1 is calculated according to the received Bluetooth signal intensity, once the distance is lower than a signal intensity set value, the mobile terminal immediately sends out an alarm, and a caretaker is prompted not to leave too far, so that the infant is prevented from being held by the person or a wisdom adult walks out of the monitoring range, and the monitoring range can be set through the urine non-wetting APP so as to adapt to different use environments.
In an embodiment, the diaper further includes a power supply unit, and the power supply unit is connected with the main control chip U1 to meet the electric quantity requirement of the main control chip U1 during working.
The mobile terminal can not receive the preset Bluetooth signal within the set time, and immediately gives out an alarm to prompt the guardian to check the condition of the guardian in time.
In addition, the information of the urine wetting, whether the set distance is exceeded or not and the like can be reported to a plurality of nearby relatives mobile terminals. The urine non-wetting APP of the mobile terminal records the information reported each time and forms a graph, so that the number of urination times of the detected infant or patient in a period of time can be seen.
Or the main control chip U1 can convert the detected voltage value into the urine wet condition and send the urine wet condition to the mobile terminal for recording to form a graph, specifically, a plurality of experiments can be performed in advance to obtain the corresponding relation between the voltage value change between the two sensing electrodes and the urine wet condition, and then the urine wet condition in the actual use process is converted and recorded according to the relation, so that the detection accuracy of the urination times of the detected infants or patients in a period of time is improved.
In addition, the Bluetooth of the mobile terminal or a plurality of main control chips U1 in the coverage range of the Bluetooth access point can be allowed to set detection information (such as urine wetting, connection on-line, battery lack and the like) to the mobile terminal or a computer connected through the Bluetooth access point, so that a centralized nursing staff can know and master the urine non-wetting use condition of a monitored person at any time, and further judge whether the monitored person is in bed wetting, far away or not and the like.
In an embodiment, the diaper further includes a power supply unit and a detection unit, the power supply unit is connected with the main control chip U1, the detection unit is respectively connected with the power supply unit and the main control chip U1, the detection unit is used for detecting the electric quantity of the power supply unit in real time and uploading the electric quantity to the main control chip U1, when the electric quantity is lower than a set value, the main control chip U1 outputs an electric quantity shortage signal to the prompt unit 15, and the prompt unit 15 sends an electric quantity shortage prompt.
In an embodiment, the prompting unit 15 includes, but is not limited to, a mobile terminal, and the prompting unit 15 may also be an LED indicator lamp, so as to perform prompting such as changing urine, not wetting, and insufficient electric quantity according to indicator lamps with different colors or by using a light and sound mode of the mobile terminal. When the mobile terminal is not far away from the diaper, the mobile terminal can play music to calm the emotion of the infant.
The output pin A of the main control chip U1 outputs a voltage detection signal at regular time, and is added to one induction electrode of the diaper body through a resistor R1, and then is connected to the other induction electrode through an interelectrode resistor with the resistance value changing along with the urine humidity degree between the two induction electrodes, the voltage detection module 141 measures a voltage signal between the two induction electrodes, and the change degree of the resistance value between the two induction electrodes is calculated according to the measured voltage signal value. When the diaper body is wet by urine, the resistance value between two sensing electrodes in the diaper body becomes smaller (and the greater the diaper degree is, the smaller the resistance value is), the main control chip U1 calculates the change of the resistance value according to the change of voltage, and judges the diaper condition according to the set voltage threshold or judges the diaper degree according to the set resistance threshold, the wireless communication module of the main control chip U1 sends a diaper prompting signal to the mobile terminal which is in binding connection, and the mobile terminal sends an alarm sound and records the diaper time and the number of times to be shown after receiving the diaper prompting signal, reminds a caretaker to replace the diaper body in time, and automatically updates and displays. The main control chip U1 may send a control signal to the prompt unit 15 to prompt light and sound.
In addition, when the main control chip U1 works, the electric quantity of the battery is periodically detected, the electric quantity of the battery is reported through Bluetooth connected with the mobile terminal, and when the detected electric quantity is lower than a specified value, the main control chip U1 can drive the prompting unit 15 to work except that the battery is required to be replaced when the main control chip U1 reports that the battery is lack of the battery, so that the prompting unit can remind the user of replacing the battery.
In this embodiment, the voltage detection module 141 is integrated in the main control chip, that is, input pins Input1 and Input2 of the main control chip U1 are correspondingly connected to the first sensing electrode 111 and the second sensing electrode 112, and the voltage signal between the two sensing electrodes of the diaper body is measured by the two Input pins Input1 and Input2 received by the main control chip U1.
In an embodiment, the diaper further includes a GPS unit, and the GPS unit is connected to the main control chip U1, so as to implement a positioning function for a person carrying the diaper.
The deposited silver fabric is adopted as the sensing electrode of the urine wet sensing unit 11, and the electrode material is nontoxic, harmless and uncomfortable to human skin, so that the manufacturing cost of disposable intelligent urine wet is greatly reduced; the diaper body, the reusable control unit 14 and the prompting unit 15 are connected by adopting terminals without polarity separation, so that the diaper body is very convenient to replace; the number of times of the wet urine can be intelligently judged, only the body of the wet urine is required to be replaced after the wet urine is wet, only the first connecting terminal 12 and the second connecting terminal 13 are required to be disconnected during replacement, and after the replacement is finished, the first connecting terminal 12 and the second connecting terminal 13 are connected with the first sensing electrode 111 and the second sensing electrode 112, so that the control unit 14 and the prompting unit 15 can be repeatedly used for a long time, and the use cost of the intelligent wet urine is further reduced; besides the urine wet alarming function, the additional infant anti-lost intellectual disability adult anti-lost function and the functions of centralized reporting of a plurality of urine non-wetting caregivers in the Bluetooth coverage area are not only suitable for common families, but also suitable for occasions such as infant and critical patient wards, neonatal care wards, nursing homes and the like.
In this embodiment, the control unit 14 and the prompting unit 15 are integrated on a circuit board, which is located in a housing to form a detector, and a pocket is provided outside the surface layer 1 of the diaper body, and the detector is placed in the pocket.
In other embodiments, the control unit 14 and the prompt unit 15 may be located on different circuit boards, and the two circuit boards are mounted in the same housing to form a detector, where the shape and size of the housing are similar to those of a unitary coin.
The power supply unit includes a power source including, but not limited to, a button cell. Specifically, when the diaper is replaced, the first connection terminal 12 and the first sensing electrode 111, and the second connection terminal 13 and the second sensing electrode 112 need to be separated, the detector is taken out, and after the diaper is replaced, the first connection terminal 12 and the first sensing electrode 111 are connected, and the second connection terminal 13 and the second sensing electrode 112 are connected, so that the replacement is convenient.
Referring to fig. 5, fig. 5 is a schematic diagram of an intelligent diaper according to a second embodiment of the present invention, where the second embodiment is different from the first embodiment in that:
the urine wet sensing unit is connected with the surface layer through a detachable structure, specifically, the detachable structure comprises but is not limited to a magic tape, two mutually unconnected sensing electrodes are attached to the surface layer of the urine wet-proof body, the shape depends on the specific shape and size of the urine wet-proof body, the conductive deposited silver fabric is directly contacted with the skin, the skin cannot be damaged, discomfort does not exist, for the existing urine wet-proof without the urine wet sensing unit, only the first sensing electrode 111, the second sensing electrode 112, the first connecting terminal 12 and the second connecting terminal 13 of the silver fabric are required to be attached to the surface layer, and then the detector is connected through the first connecting terminal 12 and the second connecting terminal 13, so that the real-time detection of the urine wet condition can be realized, and the urine wet-proof device is suitable for urine wet-proof products without pre-buried sensing electrodes of the urine wet-proof body.
According to the intelligent diaper, the diaper sensing unit 11 is arranged between the surface layer 1 and the absorption core layer 2 of the diaper body or between the surface layer 1, the diaper sensing unit 11 is used for detecting the diaper condition, the voltage detection module 141 of the control unit 14 is used for detecting the voltage change between the first sensing electrode 111 and the second sensing electrode 112 of the diaper sensing unit 11, the detected voltage value is compared with the set threshold value, a control signal is output, the prompting unit 15 is used for prompting diaper information in time and replacing diaper in time, and the materials of the first sensing electrode 111 and the second sensing electrode 112 are respectively conductive deposited silver fabrics, so that the safety can be improved and the cost can be reduced.
In an embodiment, there is also provided a working method of intelligent diaper, the method comprising:
the main control chip U1 drives the voltage detection module 141 to acquire a voltage value between the first sensing electrode 111 and the second sensing electrode 112;
transmitting the voltage value to a main control chip U1;
the main control chip U1 judges whether the voltage value is reduced or not and whether the voltage value is lower than a set threshold value or not;
if so, the main control chip U1 outputs a control signal to the prompting unit 15 to prompt the replacement of the diaper.
It should be noted that, as a person skilled in the art can clearly understand, the specific implementation process of the above-mentioned working method of the intelligent diaper may refer to the corresponding description in the foregoing embodiment of the intelligent diaper, and for convenience and brevity of description, the detailed description is omitted here.
The foregoing examples are provided to further illustrate the technical contents of the present invention for the convenience of the reader, but are not intended to limit the embodiments of the present invention thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (6)
1. The intelligent diaper is characterized by comprising a diaper body, a diaper sensing unit, a control unit and a prompting unit, wherein the diaper body comprises a surface layer, an absorption core layer and a base cloth layer, and the diaper sensing unit is connected with the surface layer; the urine wet sensing unit is used for detecting the urine wet condition; the control unit is used for detecting the voltage value of the urine wet sensing unit and outputting a control signal according to the change condition of the voltage value; the prompting unit is used for prompting according to the control signal;
the urine wet sensing unit comprises a first sensing electrode and a second sensing electrode, a gap is arranged between the first sensing electrode and the second sensing electrode, one end of the first sensing electrode is connected with the control unit, and one end of the second sensing electrode is also connected with the control unit;
the materials of the first induction electrode and the second induction electrode are respectively conductive deposited silver fabrics;
under the condition that the diaper body is dry and comfortable, the resistance value between the induction electrodes is infinite, the voltages of the two induction electrodes are very large, the resistance value between the induction electrodes can be reduced along with the increase of the urine absorption quantity of the absorption core layer, and when the voltage value between the induction electrodes is lower than a set voltage threshold value, the diaper is shown to be serious in diaper;
the control unit comprises a main control chip U1, and the main control chip U1 is respectively connected with the urine wet sensing unit and the prompting unit; the model of the main control chip U1 is CC2640;
the control unit further comprises a wireless communication module, the wireless communication module is in wireless connection with the prompting unit, the main control chip U1 is connected with the mobile terminal through the wireless communication module, the mobile terminal is provided with a urine non-wetting APP, the urine non-wetting APP regularly detects Bluetooth signal intensity of the received wireless communication module, the distance between the mobile terminal and the main control chip U1 is calculated according to the received Bluetooth signal intensity, once the distance is lower than a signal intensity set value to indicate that a monitored object exceeds a specified distance, the mobile terminal immediately sends out an alarm, prompts a caretaker not to leave too far, so that an infant is prevented from being held by the person or a wisdom adult leaves a monitoring range, and the monitoring range can be set through the urine non-wetting APP so as to adapt to different use environments;
the urine non-wetting APP of the mobile terminal records the information reported each time, forms a graph, detects the urination times and assists in determining whether the urine non-wetting needs to be replaced;
or the main control chip U1 converts the detected voltage value into a urine wet condition and sends the urine wet condition to the mobile terminal for recording to form a graph, specifically, experiments are carried out for a plurality of times in advance to obtain the corresponding relation between the voltage value change and the urine wet condition between the two sensing electrodes, then the urine wet condition in the actual use process is converted and recorded according to the relation, so that the detection accuracy of the urine discharge times of the detected infant or patient in a period of time is improved, the detection information is set to the mobile terminal or a computer connected through a Bluetooth access point by the plurality of main control chips U1 in the coverage area of the Bluetooth or Bluetooth access point of the mobile terminal, and the detection information comprises the urine wet condition, the connection line and the battery shortage, so that a concentrated care person can know and master the urine non-wet use condition of the monitored person at any time, and further judge whether the monitored person urinates or is far away.
2. The intelligent diaper according to claim 1, wherein said diaper sensor unit is located between said facing layer and said absorbent core layer.
3. The intelligent diaper according to claim 1, wherein one end of the first sensing electrode is connected to the control unit through a first connection terminal, and one end of the second sensing electrode is connected to the control unit through a second connection terminal.
4. A smart diaper according to claim 3, wherein the end of the first sensing electrode connected to the first connection terminal is connected to the control unit via a sensing resistor R1.
5. The intelligent diaper according to claim 1, wherein the control unit further comprises a voltage detection module, the voltage detection module is connected with the first sensing electrode and the second sensing electrode respectively, and the voltage detection module is connected with the main control chip U1.
6. A method of intelligent diaper operation according to claim 5, comprising:
the main control chip U1 drives the voltage detection module to acquire a voltage value between the first induction electrode and the second induction electrode;
transmitting the voltage value to a main control chip U1;
the main control chip U1 judges whether the voltage value is reduced or not and whether the voltage value is lower than a set threshold value or not;
if yes, the main control chip U1 outputs a control signal to the prompting unit so as to remind that the diaper is changed.
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| WO2020177194A1 (en) * | 2019-03-04 | 2020-09-10 | 陈璋 | Health care system and health care product thereof, monitoring device and transmission device |
| CN110538026A (en) * | 2019-08-09 | 2019-12-06 | 边燕 | Soft and safe urine wet alarm and urine volume estimation system |
| CN110632124A (en) * | 2019-09-18 | 2019-12-31 | 江门职业技术学院 | Humidity sensing circuit, humidity sensor, paper diaper and control method |
| CN114948446A (en) * | 2022-04-25 | 2022-08-30 | 深圳市艾科姆斯电子有限公司 | Nursing monitoring device, nursing monitoring system and nursing article |
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