CN117224320A - Self-powered intelligent reminding paper diaper based on evaporation power generation material and application thereof - Google Patents
Self-powered intelligent reminding paper diaper based on evaporation power generation material and application thereof Download PDFInfo
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- CN117224320A CN117224320A CN202311227214.8A CN202311227214A CN117224320A CN 117224320 A CN117224320 A CN 117224320A CN 202311227214 A CN202311227214 A CN 202311227214A CN 117224320 A CN117224320 A CN 117224320A
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- power generation
- paper diaper
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- 238000010248 power generation Methods 0.000 title claims abstract description 87
- 238000001704 evaporation Methods 0.000 title claims abstract description 72
- 230000008020 evaporation Effects 0.000 title claims abstract description 70
- 239000000463 material Substances 0.000 title claims abstract description 45
- 239000006229 carbon black Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 210000002700 urine Anatomy 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims description 22
- 239000004925 Acrylic resin Substances 0.000 claims description 11
- 229920000178 Acrylic resin Polymers 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 5
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000010419 pet care Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- 206010046543 Urinary incontinence Diseases 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000027939 micturition Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000000474 nursing effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 208000005346 nocturnal enuresis Diseases 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 101100136092 Drosophila melanogaster peng gene Proteins 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000005808 skin problem Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Abstract
A self-powered intelligent reminding paper diaper based on an evaporation power generation material and application thereof are provided, wherein the intelligent paper diaper is composed of a power generation module based on a plurality of serial/parallel small-size carbon black-based water evaporation power generation materials, a low-power Bluetooth reminding module and a commercial water absorption paper diaper. The power generation module embedded in the paper diaper is used as a power supply unit, and can generate an open-circuit voltage of 2.2V and a short-circuit current of 0.72 mA when being contacted with urine, and can directly drive the low-power Bluetooth reminding module to operate. The Bluetooth hardware is driven by electric energy to instantly and wirelessly transmit signals of detected urine conditions to the App terminal of the mobile phone, so that the mobile phone is enabled to display popup window, vibration and sound reminding, and finally a self-powered intelligent reminding function is realized. According to the invention, the evaporation power generation material is used, and is integrated with the low-power consumption Bluetooth device into the intelligent paper diaper, so that a self-powered intelligent reminding function is realized, the pain point of the existing product is perfectly solved, and the intelligent paper diaper can be widely used in the fields of aged care, baby care and pet care.
Description
Technical Field
The invention belongs to the technical field of new materials, and particularly relates to a preparation method and application of a self-powered intelligent reminding paper diaper based on an evaporation power generation material.
Background
With the development of society, the population proportion of the elderly is increased, and the problem of urinary incontinence is also increased. The traditional paper diaper needs to be checked and replaced by a caretaker at regular intervals, so that the workload of the caretaker is increased, and skin problems are easily caused. Similarly, infants and pets have the common characteristic of being unable to autonomously express the excretion requirement, and face the same nursing difficulty. Therefore, the intelligent paper diaper capable of actively reminding the user to replace is designed, and the life of the user and the caretaker is greatly facilitated.
At present, some urine wet reminder products with humidity sensors are on the market, and when the detected urine volume reaches a certain degree, an alarm can be sent out to remind replacement, but some defects in use exist. Most of these products are separate reminiscences, and are not integrated with the diaper, and additional installation is needed, so that convenience is not provided. In addition, the use of metal, plastic housings greatly reduces the wearing comfort. The core problem is that the power supply mode is adopted, and the product is powered by a battery, so that the cost is increased, and the risks of environmental pollution, inconvenient replacement and failure after the electric quantity is exhausted are also present.
With the continual advances in energy harvesting technology and materials science, the advent of self-powered materials has provided new ways of powering low-power wearable devices. In recent years, researchers have discovered a variety of novel power generation technologies, such as photoelectric conversion, piezoelectric effect, thermoelectric conversion, etc., which can convert some low-grade energy or tiny mechanical energy in the environment into electrical energy for application. Some researches start to try to generate electricity by using human energy, for example, a sensor containing piezoelectric materials is designed, and electricity is generated by using body pressure, but the electricity generation efficiency of the method is unstable, and the method cannot meet the requirement of continuous operation of a system. The water evaporation induction power generation technology is an emerging power generation technology developed in recent years, and because water evaporation can be spontaneously performed only under natural conditions, compared with other power generation reactions, the trigger conditions required by the power generation reactions are milder, the output direct current can be utilized without rectification, and the power generation technology is extremely suitable for being applied to wearing equipment in a high-humidity environment.
According to the invention, the water evaporation induction power generation technology is utilized, the evaporation power generation material for generating power by utilizing urine is developed, and is integrated with the low-power consumption Bluetooth module device into the intelligent paper diaper, so that the self-powered intelligent reminding function is realized, and the pain point of the existing product is perfectly solved. The design is innovative and practical, and can be widely used in the fields of aged care, baby care and pet care.
Disclosure of Invention
In order to enrich the functions of the current diaper, urine is monitored in a more intelligent mode, the invention provides a preparation method and application of the self-powered intelligent reminding diaper based on an evaporation power generation material.
The technical scheme for achieving the purpose is as follows: self-powered intelligent reminding paper diaper based on evaporation power generation material, including the paper diaper body, its characterized in that: the paper diaper comprises a paper diaper body and is characterized by further comprising at least one power generation module embedded in the water absorption layer of the paper diaper body, wherein the power generation module comprises carbon black-based water evaporation power generation bodies connected in series or in parallel;
the diaper body is further provided with a communication module in communication connection with the power generation module, and the intelligent reminding diaper further comprises a reminding terminal in communication connection with the power generation module through the communication module.
Further, the preparation method of the power generation module comprises the following steps:
1) Preparing carbon black solution
Mixing carbon black, sodium dodecyl benzene sulfonate, water-soluble acrylic resin and absolute ethyl alcohol, performing ultrasonic treatment, and uniformly stirring after ultrasonic treatment to obtain a carbon black solution;
2) Preparation of evaporating generating material
Soaking the cut absorbent cotton in the carbon black solution to obtain carbon cloth, taking out the carbon cloth, squeezing out redundant carbon black solution, and naturally airing to obtain an evaporation power generation material;
3) Preparation of carbon black-based Water-evaporated Power Generator
Multiple pieces of evaporation power generation materials with the same size are stacked to form parallel connection, and one end of the evaporation power generation materials are coupled with an electrode, and the multiple pieces of evaporation power generation materials are fixed through the coupling electrode to obtain a carbon black-based water evaporation power generation body;
4) Preparation of a Power Module
And connecting a plurality of carbon black-based water evaporation power generators in series or in parallel by using leads to form a power generation module.
Further, in the step 1) of the preparation method, the mass ratio of carbon black, sodium dodecyl benzene sulfonate, water-soluble acrylic resin and absolute ethyl alcohol is 0.7:2.1:0.21:31.
further, the ultrasonic time in step 1) of the preparation method is 1 hour.
Further, in the step 3) of the preparation method, the evaporation power generation material is square, and the length and width are 1.6cm multiplied by 0.8cm.
Further, the power generation module is embedded in the middle of the water absorption layer of the paper diaper in a sewing mode.
Further, the communication module adopts low-power bluetooth module, and the positive negative pole of power module is connected to low-power bluetooth module's BAT foot, GND foot, be provided with the grafting terminal of being connected with the power module electricity on the panty-shape diapers body, low-power bluetooth module passes through the grafting terminal plug on patchcord and the panty-shape diapers body and is connected, and low-power bluetooth module pastes on the panty-shape diapers body through the traceless double faced adhesive tape simultaneously.
Further, the electrode coupled in step 3) of the preparation method is an iron-nickel alloy electrode and is cubic, and the length-width-thickness is 9 mm ×0.21mm×2mm.
Further, the molecular weight of the water-soluble acrylic resin in the step 1) of the preparation method is 72.06266, and the water-soluble acrylic resin is used as a hydrophilic binder for fixing the carbon black material on the absorbent cotton, and is not easy to fall off after meeting water.
Further, the reminding terminal is a mobile phone terminal App, and after urine enters the power generation module, the mobile phone terminal App sends out popup window, vibration or sound reminding.
According to the invention, carbon black is loaded on water-absorbing cotton to prepare an evaporation power generation material by using a dipping method, the size of an evaporation power generation body can be randomly regulated in a cutting mode, then a power generation module is formed in series-parallel connection and is arranged in the middle of an absorption layer of a paper diaper, under the condition of urination, urine passes through a pore structure of carbon cloth and is combined with a primary battery formed by iron and carbon, spontaneous evaporation driving and primary battery power generation are realized, and the rectification and boosting module is not needed to process, during urination, evaporation power generation is realized, a Bluetooth module is powered, a reminding terminal obtains a Bluetooth module connection signal, a reminding signal is sent through a popup window, vibration, sound and the like, and finally the self-powered intelligent reminding function of the paper diaper is realized.
Advantageous effects
1) The single carbon black-based water evaporation power generation body (length and width are 1.6cm multiplied by 0.8 cm) prepared from the carbon black solution prepared according to the proportion has the open circuit voltage reaching 0.82V, the short circuit current reaching 0.27 mA and the electrical property reaching the optimal value.
2) Compared with a large-size evaporation driving power generation module, the small-size (length and width are 1.6cm multiplied by 0.8 cm) carbon black-based water evaporation power generation body prepared by the invention has larger output power density, and the output power density can reach 29.7 mu W/cm under the optimized condition 2， The output power density of the large-size evaporation driving power generation module prepared by the same method is 3.51 mu W/cm under the optimized condition 2 . The evaporation drive power generation module with small size greatly reduces the load weight of the paper diaper while improving the output performance, and improves the use experience of users.
3) Compared with the induction device of a battery and a sensor sold in the market, the self-powered electricity generation material is used, the circuit composition difficulty is reduced, the wearing comfort level is greatly improved, the self-powered electricity generation material is more efficient to use on the premise of realizing the reminding function, and the environment friendliness is reflected.
4) The invention has simple structure, low cost and environmental protection, increases the reminding function of the paper diaper with small cost, provides assistance for urinary incontinence nursing, child bed wetting and pet urination training, and simultaneously, the Bluetooth module is connected with the power supply module through the plug-in terminal, can be repeatedly used, and reduces the cost.
Drawings
Fig. 1 is a test result of the open circuit voltage of the evaporation driving power generation module according to the present invention.
Fig. 2 is a test result of the short-circuit current of the evaporation driving power generation module according to the present invention.
FIG. 3 is a graph showing the power density of various size evaporation driven power generation modules over time.
FIG. 4 is a graph showing the test results of short-circuit current of the carbon black-based water evaporation power generator prepared by the present invention under parallel connection.
Fig. 5 is a test result of open circuit voltage of the carbon black-based water evaporation generator prepared according to the present invention under serial connection.
Fig. 6 is a schematic diagram of a simulation structure of the present invention.
Fig. 7 is a schematic view showing an App in the urination state of the present invention.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the following examples are set forth. The starting materials, reactions and workup procedures used in the examples are those commonly practiced in the market and known to those skilled in the art unless otherwise indicated.
The invention discloses a self-powered intelligent reminding paper diaper based on an evaporation power generation material, which comprises the following specific processes:
1. preparation of small-size evaporation power generation material
0.7. 0.7 g carbon black, 2.1 g sodium dodecylbenzenesulfonate, 0.21 g water-soluble acrylic resin, 31g of absolute ethanol were mixed, sealed with a preservative film, sonicated for 1 hour (100W), and then stirred for 2 hours (600 rpm) to obtain a carbon black solution.
The cut absorbent cotton (2 cm multiplied by 5 cm) is soaked in the carbon black solution for 1 minute, the excess carbon black solution is squeezed out by forceps after being taken out, the carbon black solution is placed in a fume hood, the carbon cloth is naturally dried (25 ℃) for 12 hours, the dried carbon cloth is obtained, and the dried carbon cloth is cut again, so that the small-size power generation material (1.6 cm multiplied by 0.8 cm) is obtained.
The molecular weight of the water-soluble acrylic resin in the step 1) is 72.06266, and the water-soluble acrylic resin is used as a hydrophilic binder for fixing the carbon black material on the absorbent cotton, and is not easy to fall off after meeting water.
2. Embedded power generating module
As shown in fig. 6, three pieces of the same-sized evaporation power generation materials are stacked to form a parallel connection, and one end is coupled with an electrode, a plurality of pieces of the evaporation power generation materials are fixed by the coupling electrode to obtain a carbon black-based water evaporation power generation body, and the three carbon black-based water evaporation power generation bodies are connected in series by a wire to form a power generation module.
3. Power generation module embedding
The power generation module is embedded in the middle of the water absorption layer of the paper diaper in a sewing mode.
4. Connection Bluetooth module
The bluetooth module adopts low-power bluetooth module, specifically can be but not limited to adopt the Peng to be the bluetooth module of model pw02 that thing allies oneself with (Shenzhen) technological limited company produced, bluetooth module's BAT foot, GND foot connect power module's positive negative pole, specifically, be provided with the grafting terminal of being connected with power module electricity on the panty-shape diapers body, bluetooth module passes through the grafting terminal plug on patchcord and the panty-shape diapers body and is connected, bluetooth module pastes on the panty-shape diapers body through the traceless double faced adhesive tape simultaneously, bluetooth module uses on different panty-shape diapers of being convenient for.
5. Signal monitoring
And placing the mobile phone in the signal transmission range of the Bluetooth module, and reminding the user in the modes of popup window, vibration and sound of the mobile phone when the mobile phone monitors the signal of the Bluetooth module.
6. Performance test and result of small-size evaporation driving power generation module:
1) Connecting the anode and the cathode of a single carbon black-based water evaporation power generation body with a current and voltage test instrument, dripping 50 microliters of water into the carbon black-based water evaporation power generation body, wherein the measurement results of the current and voltage test instrument are shown in figures 1 and 2, figure 1 is a graph of the test result of the change of open circuit voltage of the carbon black-based water evaporation power generation body with time, and figure 2 is a graph of the test result of the change of short circuit current of the carbon black-based water evaporation power generation body with time; as can be seen from fig. 1 and 2, the open circuit voltage can reach 0.82 and V, and the short circuit current can reach 0.27 and mA.
Fig. 3 shows the results of testing the power density of a single carbon black-based water evaporation power generator with a length and width of 2cm×1.6cm and 1.6cm×0.8cm, respectively, over time after contacting water, and it can be seen from fig. 3 that the power density of the small-sized evaporation driving power generation module is greater.
Fig. 4 is a test result of short-circuit current in the case of parallel connection of different numbers of carbon black-based water evaporation generators, fig. 5 is a test result of short-circuit current in the case of serial connection of different numbers of carbon black-based water evaporation generators, it can be seen from fig. 4 that the short-circuit current gradually increases when the number of parallel connection of carbon black-based water evaporation generators increases, and it can be seen from fig. 5 that open-circuit voltage gradually increases when the number of serial connection of carbon black-based water evaporation generators increases, so that the carbon black-based water evaporation generators have a serial effect and a parallel effect.
5. Application object
Example 1 urinary incontinence patient
The product can be used for urinary incontinence reminding for urinary incontinence patients with unintentional urinary incontinence.
EXAMPLE 2 unconscious behavioural patient
The product can provide a paper diaper replacement reminding for patient nursing workers who are not conscious of behaviors in bed.
Example 3 infants
The product can provide bed wetting reminding for the infant guardian, and particularly can carry out real-time urine monitoring at night.
Example 4 pets
The product can be used for carrying out urination training on pets, and reminding the owners when the pets urinate.
As shown in FIG. 7, it was tested that 100% of the alarm signal could be smoothly sent out as shown in FIG. 7 during urination in examples 1-4.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. Self-powered intelligent reminding paper diaper based on evaporation power generation material, including the paper diaper body, its characterized in that: the paper diaper comprises a paper diaper body and is characterized by further comprising at least one power generation module embedded in the water absorption layer of the paper diaper body, wherein the power generation module comprises at least one carbon black-based water evaporation power generation body, and a plurality of carbon black-based water evaporation power generation bodies are connected in series or in parallel;
the diaper body is further provided with a communication module in communication connection with the power generation module, and the intelligent reminding diaper further comprises a reminding terminal in communication connection with the power generation module through the communication module.
2. The self-powered intelligent reminding paper diaper based on the evaporation power generation material according to claim 1, wherein the preparation method of the power generation module is as follows:
1) Preparing carbon black solution
Mixing carbon black, sodium dodecyl benzene sulfonate, water-soluble acrylic resin and absolute ethyl alcohol, performing ultrasonic treatment, and uniformly stirring after ultrasonic treatment to obtain a carbon black solution;
2) Preparation of evaporating generating material
Soaking the cut absorbent cotton in the carbon black solution to obtain carbon cloth, taking out the carbon cloth, squeezing out redundant carbon black solution, and naturally airing to obtain an evaporation power generation material;
3) Preparation of carbon black-based Water-evaporated Power Generator
Multiple pieces of evaporation power generation materials with the same size are stacked to form parallel connection, and one end of the evaporation power generation materials are coupled with an electrode, and the multiple pieces of evaporation power generation materials are fixed through the coupling electrode to obtain a carbon black-based water evaporation power generation body;
4) Preparation of a Power Module
And connecting a plurality of carbon black-based water evaporation power generators in series or in parallel by using leads to form a power generation module.
3. The self-powered intelligent reminding paper diaper based on the evaporation power generation material according to claim 2, wherein: in the step 1) of the preparation method, the mass ratio of carbon black to sodium dodecyl benzene sulfonate to water-soluble acrylic resin to absolute ethyl alcohol is 0.7:2.1:0.21:31.
4. the self-powered intelligent reminding paper diaper based on the evaporation power generation material according to claim 2, wherein: the ultrasound time in step 1) of the preparation method is 1 hour.
5. The preparation method according to claim 2, characterized in that: in the step 3) of the preparation method, the evaporation power generation material is square, and the length and width are 1.6cm multiplied by 0.8cm.
6. The self-powered intelligent reminding paper diaper based on the evaporation power generation material according to claim 1, wherein the paper diaper is characterized in that: the power generation module is embedded in the middle of the water absorption layer of the paper diaper in a sewing mode.
7. The self-powered intelligent reminding paper diaper based on the evaporation power generation material according to claim 1, wherein the paper diaper is characterized in that: the communication module adopts low-power bluetooth module, and the positive negative pole of power module is connected to low-power bluetooth module's BAT foot, GND foot, be provided with the grafting terminal of being connected with the power module electricity on the panty-shape diapers body, low-power bluetooth module passes through the grafting terminal plug on patchcord and the panty-shape diapers body and is connected, and low-power bluetooth module pastes on the panty-shape diapers body through the traceless double faced adhesive tape simultaneously.
8. The self-powered intelligent reminding paper diaper based on the evaporation power generation material according to claim 2, wherein: the coupled electrode in the step 3) of the preparation method is an iron-nickel alloy electrode and is cubic, and the length and width are 9 mm multiplied by 0.21mm multiplied by 2mm.
9. The self-powered intelligent reminding paper diaper based on the evaporation power generation material according to claim 2, wherein: the molecular weight of the water-soluble acrylic resin in the step 1) of the preparation method is 72.06266, and the water-soluble acrylic resin is used as a hydrophilic binder for fixing the carbon black material on the absorbent cotton, and is not easy to fall off after meeting water.
10. The self-powered intelligent reminding paper diaper based on the evaporation power generation material of claim 8, wherein: the reminding terminal is a mobile phone terminal App, and after urine enters the power generation module, a popup window, vibration or sound reminding is sent out through the mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311227214.8A CN117224320B (en) | 2023-09-22 | Self-powered intelligent reminding paper diaper based on evaporation power generation material and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311227214.8A CN117224320B (en) | 2023-09-22 | Self-powered intelligent reminding paper diaper based on evaporation power generation material and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117224320A true CN117224320A (en) | 2023-12-15 |
| CN117224320B CN117224320B (en) | 2024-05-17 |
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| US20170071803A1 (en) * | 2015-09-15 | 2017-03-16 | Sinopulsar Technology Inc. | Smart nursing consumable and physiological monitoring device using the same |
| KR101681514B1 (en) * | 2015-09-25 | 2016-12-01 | (주)프로차일드 | Diaper Alarm and Baby temperature monitoring Systems |
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