CN106652375B - A kind of baby's bed-wetting warning device - Google Patents
A kind of baby's bed-wetting warning device Download PDFInfo
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- CN106652375B CN106652375B CN201710094940.5A CN201710094940A CN106652375B CN 106652375 B CN106652375 B CN 106652375B CN 201710094940 A CN201710094940 A CN 201710094940A CN 106652375 B CN106652375 B CN 106652375B
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- bed
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/20—Status alarms responsive to moisture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
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Abstract
The present invention relates to a kind of baby's bed-wetting warning devices, including the bed-wetting detecting pad being arranged on bed board, the signal processor connecting with bed-wetting detecting pad, and the warning indicator connecting with signal processor；Wherein, the bed-wetting detecting pad real-time monitoring wets the bed and will test information and is transmitted in the signal processor, and the signal processor handles signal, determines bed-wetting situation, and be transmitted to warning indicator and indicated；The bed-wetting detecting pad includes the air-and water-permeable layer, the first protective layer being arranged in below air-and water-permeable layer, the flexible sensor being arranged in below the first protective layer that top layer is arranged in, and the second protective layer, waterproof ventilative layer are set gradually below the flexible sensor.The present invention uses the flexible sensor of special substance, preferable to baby's physical fitness, and comfort level is high；When baby its posture changes, can accurately determine wet position is urinated.
Description
Technical field
The invention belongs to automatic detection fields, provide a kind of automatic makeup wet the bed and sounded an alarm for detecting baby
It sets.
Background technique
With the development of social modernization, parent is more and more careful for the treatment of baby.Before baby association speaks,
Guardian can only be judged by the facial expression and crying of baby baby state quality, but baby cry and scream it is often more
Kind reason, whether guardian directly effectively can not occur wetting the bed according to the situation accurate judgement of crying and screaming of baby.
Traditional checks mode for manual inspection, for example, protruding into inspection with hand or directly being observed with eyes, but is above two
Method all haves the defects that certain, and the method manually checked first needs guardian greatly patient and careful, to reach not
The effect of bed-wetting needs very high inspection frequency, increases the labor intensity of guardian；In addition, being directly protruding into bed-wetting position with hand
When setting inspection, the problems such as guardian's hand germ can be infected with therewith in baby's skin surface, cause bacterium infection, and also baby is tender
Tender skin is also easy the hard nail of custodial person and scratches, scratches, and aggravates germ gradient of infection, on the other hand, baby's urine
Also can on the contrary pollution guardian hand, therefore, the safety and wholesomeness directly checked with hand is all poor；And it is straight with eyes
Observation method is connect, is primarily due to urine in the phenomenon of osmosis of cloth material, so that bed-wetting degree is not easy to differentiate, in addition, if eye
If eyeball can directly be seen that, also imply that the infancy of package baby or diaper are in the open state, ambient enviroment suddenly
Temperature change will increase the risk that baby infects the diseases such as flu, chill, and therefore, the method is also not ideal enough.
In addition to this, baby's autoreactivity is only relied on as judging that it is greatly uncertain that foundation that whether it wet the bed exists
Property, due to the difference of each baby's individual, after some babies wet the bed, can't make a response in time, guardian is not having
Under the prompting of crying signal, the bed-wetting situation of baby possibly can not be discovered in time, such baby just can only be immersed in wet bad of urine
In border, if overlong time, the adverse reactions such as eczema, flu are easily caused.In addition, diaper is to wet the bed to ask for baby
Inscribe the product that is widely used now, it is easy to use, it is larger to the absorbability of urine, if but replacement also will appear not in time
Because urine saturation immersion phenomenon, and its wrap up it is strict design have a degree of negative shadow to the physiological development of baby
It rings.For these problems, in order to reduce the frequency that guardian checks repeatedly, prompting can be detected in time after baby wets the bed and mitigates baby
Discomfort after child's bed-wetting, devises a kind of detection device with bed-wetting automatic detection warning ability, wherein detection sensor is
The core of the device, the levels of precision of detection are the important evidence and standard for judging baby's bed-wetting warning device quality.
Two kinds of baby bedwetting alarms have been disclosed in Chinese patent CN201320890639 and CN201520223789.Its
Device in middle patent CN201320890639 include measuring head, alarm device shell, detection amplifying circuit, delay amplifying circuit,
Voice alarm circuit and power circuit, detecting in amplifying circuit has humistor, if baby wets the bed, humistor passes through inspection
Surveying perception humidity variation degree reduces its resistance value, while under subsequent conditioning circuit cooperation, loudspeaker alarm prompts more changing babies' napkin.
Device in patent CN201520223789 includes humidity detector and warning device, when humidity detector detects humidity
When variation, electric signal is passed into alarm, it is made to sound the alarm, while lighting diode, causes the attention of guardian.
But in actual application environment, baby can not remain stationary for a long time it is motionless, posture it occur frequently that change,
So occur to urinate wet position be generally also impossible to it is identical, in addition, also have can not be pre- for urine flow direction and degree after urine is wet
The property surveyed, so that it is above two subject to conditions using the detection warning device of humidity sensing element, in actual use process
In can not accurately and rapidly detect whether baby wets the bed, and the setting of sensing element and position also easily cause baby
The sense of discomfort of child, in addition to this, the long-time stability of humidity sensing element are insufficient, vulnerable to pollution object in this working environment
The influence of matter, for a long time using will appear problem of aging, accuracy decline, service life is also reduced therewith.In view of existing baby
The deficiency of bed-wetting warning device, has quick and precisely detectability, and baby uses comfortable, water-fastness, the urine that the service life is longer
Designing and manufacturing for detection warning device of bed is current urgent problem to be solved.
Summary of the invention
Aiming at the problem that existing demand proposes, the technical issues of present invention intends to solve, is: providing a kind of baby and wets the bed alarm
Device.The device is high with detection accuracy, reaction is fast, durability is good, water-fastness, soft, comfortable, special with people's touch-safe etc.
Point.
The present invention provides a kind of baby's bed-wetting warning device, the bed-wetting detecting pad including being arranged on bed board and inspection of wetting the bed
Survey the signal processor of pad connection, and the warning indicator connecting with signal processor；
Wherein, the bed-wetting detecting pad real-time monitoring, which wets the bed and will test information, is transmitted to the signal processor
In, the signal processor handles signal, determines bed-wetting situation, and be transmitted to warning indicator and referred to
Show；
The bed-wetting detecting pad includes the air-and water-permeable layer that top layer is arranged in, be arranged in below air-and water-permeable layer
One protective layer, the flexible sensor being arranged in below the first protective layer, set gradually second below the flexible sensor
Protective layer, waterproof ventilative layer.
Further, first protective layer, the second protective layer be located at the flexible sensor upside and under
Side；
Two protective layers are made of functional polymer film, and can air-and water-permeable.The air-and water-permeable layer is graphite
Alkene layer；Protective layer is made of functional polymer film；The air-and water-permeable layer and the first protective layer are integrally formed, graphene
Layer is bonded integrally by applying adhesive with first protective layer；
The adhesive is mixed by tetraethoxysilane, deionized water, titanate coupling agent PN-105 according to molar ratio,
Molar ratio is 1:40:1.2；Graphene layer is impregnated in the above solution, is added and urges in mixed liquor by above-mentioned solution mixed hydrolysis
Agent potassium permanganate is heated to 200 DEG C, bakes 60s；Graphene layer is taken out, and thin in the upper surface covering macromolecule
Film is immersed in dehydrated alcohol；It is cooled to 20-25 DEG C, then the good graphene of air-and water-permeable, macromolecule membrane layer is made.
Further, the flexible sensor includes two symmetrical comb teeth shape conductive electrodes, two comb teeth shapes
It is intertwined between each comb teeth of conductive electrode, adjacent fingers are located on the different conductive electrodes of described two, described
Between adjacent fingers there are gap not in contact with.
Further, the conductive electrode is laid in the substrate of polyurethane material using printing technology, and described two
A print electrode is exported by two printed circuit cables respectively；
Described two are mutually powered between printing electrode, and provide signal to the signal processor.
Further, the air-and water-permeable layer is made of water permeable polymer material；
The flexible sensor is made using conductive cloth or rubber film.
Further, the signal processor includes a relay, two power supplys, two relay contacts and a double-pole
Commutator；
It further include a wireless signal transmitter or Wire alarming device.
Further, the decision circuitry obtains M1Each current instantaneous value c in a period, decision circuitry, which is appointed, takes three
Current instantaneous value in a period, respectively first group of current value, second group of current value, third group current value, and according to following
Calculate the coincident-current angle value in the arbitrary period.
The first and second two groups of coincident-current measures P21,
In formula, P21Indicate the coincidence angle value of the first and second two groups of electric currents, i1Indicate the real-time sampling value of first group of current value,
i2Indicate the real-time sampling value of second group of current value；i3Indicate the real-time sampling value of third group current value；T indicates mean square deviation operation,
I indicates integral operation.
Compared with prior art, baby's bed-wetting warning device of the present invention is attainable has the beneficial effect that
1) flexible sensor of special substance is used, preferable to baby's physical fitness, comfort level is high, to people's safety nothing
Evil；When baby its posture changes, can accurately determine wet position is urinated；
2) it prints electrode on flexible sensor intensive, therefore, urinating wet rear urine flow direction and degree can predict；To urine
Bed perception is sensitive, and detection accuracy is high, speed is fast, water-fastness, long service life.
3) signal processor circuit is simple, low in cost, high reliablity.
4) wireless alarm can be used, longer conducting wire is not required to, it is easy for installation flexible, it can not frighten, not harass baby
It is sounded an alarm under the premise of child.
5) electromagnetism of the device is harmless to the people of surrounding and other electronic equipments, and not by Electromagnetic Interference around.
Detailed description of the invention
Fig. 1 is the overall structure diagram of baby's bed-wetting warning device of the present invention；
Fig. 2 is the bed-wetting detecting pad structural schematic diagram of baby's bed-wetting warning device of the present invention；
Fig. 3 is the flexible sensor structural schematic diagram of baby's bed-wetting warning device of the present invention；
Fig. 4 is message handler circuit (wireless alarm) schematic diagram of baby's bed-wetting warning device of the present invention；
Fig. 5 is message handler circuit (Wire alarming device) schematic diagram of baby's bed-wetting warning device of the present invention.
Specific embodiment
Combined with specific embodiments below and attached drawing is further elaborated on the present invention.
Refering to Figure 1, baby's bed-wetting warning device of the embodiment of the present invention includes the bed-wetting inspection being arranged on bed board
Survey pad 1, the signal processor 2 that connect with bed-wetting detecting pad 1, and the first warning indicator 3 for being connect with signal processor and
Second warning indicator 4.Wherein, 1 real-time monitoring of bed-wetting detecting pad, which wets the bed and will test information, is transmitted to the letter
In number processor 2, the signal processor 2 handles signal, determines bed-wetting situation, and be transmitted to alarm and refer to
Show that device is indicated.
It please refers to shown in Fig. 2-3, the bed-wetting detecting pad 1 includes the air-and water-permeable layer 11 that top layer is arranged in, setting
The first protective layer 12 below air-and water-permeable layer 11, the flexible sensor 13 being arranged in below the first protective layer 12, described
Flexible sensor 13 below set gradually the second protective layer 14, waterproof ventilative layer 15.
In embodiments of the present invention, the air-and water-permeable layer 11 is located at the most upper of 1 total of bed-wetting detecting pad
Layer, be with the direct contact layer of user, consider that it is directly contacted with human skin, need to meet comfort and gas permeability requirements；
The air-and water-permeable layer needs to acquire urine for the flexible sensor, should have water penetration, using water permeable polymer material
Production.
First protective layer 12, the second protective layer 14 are located at the upper side and lower side of the flexible sensor 13；
Incorporated by reference to shown in Fig. 3, two protective layers are required to air-and water-permeable and can protect the conduction on the flexible sensor 13
Electrode 131 (132)；Two protective layers are made of functional polymer film.
In the present embodiment, the air-and water-permeable layer is graphene layer.
In production, the air-and water-permeable layer and the first protective layer 12 are integrally formed, and graphene layer is by applying gluing
Agent is bonded integrally with first protective layer 12.
The adhesive is mixed by tetraethoxysilane, deionized water, titanate coupling agent PN-105 according to molar ratio,
Molar ratio is 1:40:1.2.
By above-mentioned solution mixed hydrolysis, graphene layer is impregnated in the above solution, it is high that catalyst is added in mixed liquor
Potassium manganate is heated to 200 DEG C, bakes 60s；Graphene layer is taken out, and the macromolecule membrane described in upper surface covering, is impregnated
In dehydrated alcohol；It is cooled to 20-25 DEG C, then the good graphene of air-and water-permeable, macromolecule membrane layer is made.
Incorporated by reference to shown in Fig. 3, the flexible sensor 13 is made using conductive cloth or rubber film.
The flexible sensor 13 includes two symmetrical comb teeth shape conductive electrodes 131 (132), described two comb teeth
It is intertwined between each comb teeth of shape conductive electrode 131 (132), adjacent fingers are located at the different conductive electricity of described two
On extremely, between the adjacent fingers there are gap not in contact with.
The use of above-mentioned comb teeth shape conductive electrode can cover bed-wetting detecting pad 1 on a large scale as far as possible, detect each position
It sets.
The conductive electrode 131 (132) is laid in the substrate 133 of polyurethane material using printing technology, described
Two 131 (132) of printing electrode are exported by two printed circuit cables 134 (135) respectively, when conductive liquid penetrates into above-mentioned printing
Electrode two-by-two between adjacent comb teeth when, the gap between the comb teeth is filled by conductive liquid, so that being located at described two
Comb teeth on different printing electrode 131 (132) is connected to open circuit.
Described two print electrode and are mutually powered between 131 (132), provide signal to the signal processor 2, described
Flexible sensor 13 has the characteristics that water-fastness.
The waterproof ventilative layer 15 is located at the lower section of second layer protective layer 14, the top of mattress.Consider comfort, it is described
Waterproof ventilative layer 15 should have gas permeability, and in order to avoid the mattress that lower section is soaked in urine infiltration, the waterproof ventilative layer 15 is answered
It is made with waterproofness, therefore using Water-proof breathable fabric.
Above-mentioned each layer bracket bonds together.
It please refers to shown in Fig. 4-5, the signal processor 2 is disposed in proximity on the desk of infanette or other are fixed and put down
On face, including 21, two power supplys 22 (23) of a relay, two relay contacts 211 (212) and a double-point double-throw switch
24, it in the signal processor 2 further include a wireless signal transmitter 25 if using wireless alarm 4, if using wired
Then the signal processor 2 connects the Wire alarming device 3 to alarm 3.
Wherein, the power supply 22 (23) is dry cell, and the signal processor 2 is divided to for two circuits, is referred to as
Circuit 1 and circuit 2, the circuit 1 is by the described 22, relay contacts 211 of power supply of 21, one, a relay
Formed with the double-point double-throw switch 24, be in open-circuit condition under 1 normality of circuit, both ends by conducting wire with it is described soft
The extraction wire 134 (135) of two 131 (132) of printing electrode of property sensor 13 is connected, with conducting wire by a relay
Device 21, one power supplys 22, one relay contact 211 and a double-point double-throw switch 24 are connected, described
Circuit 2 is also series circuit, by conducting wire that one relay contact 212, one power supply 23 and one is described double
Double-pole double throw switch 24 forms, if the alarm uses wireless alarm 4, is contacted described in one again in the circuit 2
One Wire alarming device 3 is series at by wireless signal transmitter 25 if the alarm uses Wire alarming device 3
In the circuit 2.
The alarm can be Wire alarming device 3, be also possible to wireless alarm 4, is set to guardian and is easy observation
The place arrived, conveniently looks after the children, and alarm uses music box or indicator light, from market purchasing.
The embodiment of the present invention is additionally provided with Acquisition Circuit in the present embodiment in order to ensure the maloperation of signal processor
And decision circuitry, wherein the Acquisition Circuit is connect with conductive electrode 131 (132), the output end and judgement electricity of Acquisition Circuit
Road connection, decision circuitry are connect with relay coil 21.
The Acquisition Circuit two print electrode 131 (132) can be mutually conductive when acquire current signal, with continuous
N1Time is to be sampled in a period, continuous sampling M1A period takes an instantaneous value c within each period, according to the following equation into
Average current value C is calculated in rowm,
In formula, c indicates the current instantaneous value in any period, Cm0kIt indicates in N1Electric current average amplitude in time, Cm
It indicates to calculate averaging of income current value, N1Indicate the time cycle of every sub-sampling, M1Indicate that sampling number, w indicate signal transmitting pin
Rate.
The decision circuitry obtains M1Each current instantaneous value c in a period, decision circuitry, which is appointed, to be taken in three periods
Current instantaneous value, respectively first group of current value, second group of current value, third group current value, and according to following calculating this
Coincident-current angle value in the period of meaning.
The first and second two groups of coincident-current measures P21,
In formula, P21Indicate the coincidence angle value of the first and second two groups of electric currents, i1Indicate the real-time sampling value of first group of current value,
i2Indicate the real-time sampling value of second group of current value；i3Indicate the real-time sampling value of third group current value；T indicates mean square deviation operation,
I indicates integral operation.
The first and third two groups of coincident-current measures P31,
In formula, P31Indicate the coincidence angle value of the first and third two groups of electric currents, i1Indicate the real-time sampling value of first group of current value,
i2Indicate the real-time sampling value of second group of current value；i3Indicate the real-time sampling value of third group current value；T indicates mean square deviation operation,
I indicates integral operation.
Second and third two groups coincident-current measures P23,
In formula, P21Indicate the coincidence angle value of second and third group of electric current, i1Indicate the real-time sampling value of first group of current value, i2
Indicate the real-time sampling value of second group of current value；i3Indicate the real-time sampling value of third group current value；T indicates mean square deviation operation, I
Indicate integral operation.
The average current value CmAs the threshold value compared, by three groups of coincidence angle value respectively with average current value CmIt carries out
Comparison, the decision circuitry calculate the resulting absolute value differences of actual current two-by-two and average current value C for describedmCompared
It is right, if the actual current value absolute value differences are less than threshold value, conclude really there is urine, then the circuit 1 of signal processor 2 is led
Logical, relay coil 21 charges；If the actual current absolute value differences are greater than threshold value, appearance monitoring error is concluded, at this time
Circuit disconnects, not alert.
The present invention excludes decision errors by way of above-mentioned redundancy is arranged and determines, avoids that error detection occurs, improves report
Alert accuracy.
The work step of baby's bed-wetting warning device of the present invention is as follows:
1) preparation
Bed-wetting detecting pad 1 is layered on baby as sheet in the following, double-point double-throw switch 24 is pressed, bed-wetting detection device
It is in the open state.
2) when baby does not urinate wet
Baby does not urinate wet, and two conductive electrodes 131 (132) having on flexible sensor 13 keep open circuit, at signal
Circuit 1, the circuit 2 of reason device 2 keep open circuit, i.e. alarm 3 or 4 unregulated powers drives or be not received by open signal and will not then send out
Alerting signal out.
3) when baby's urine is wet
Baby's urine is wet, has the urine of conduction property and prints electrode 131 (132) full of accompanying by flexible sensor 13 two
Between, two print electrode 131 (132) can be mutually conductive, and the circuit 1 of signal processor 2 is connected at this time, and relay coil 21 fills
Electricity, the relay contact 211 in circuit 1 are closed self-locking, tend to remain on, while relay contact 212 is also closed in circuit 2
And be connected, so that Wire alarming device 3 is obtained electric-opening signal an alert or is sent a signal to wirelessly by wireless signal generator 25
Alarm 4 makes it receive open signal and enters alarm condition, signal an alert.
4) close and reopen baby bed-wetting reminding device
Guardian has found after wetting the bed, and reopens double-point double-throw switch 24, keeps two circuits in signal processor 2 disconnected
It opens, alarm 3 or 4 enters closed state stop alarm, by the cleaning of bed-wetting detecting pad 1, dries rear and signal processor 2 and report
Alert device 3 or 4 connects, and re-closes double-point double-throw switch, reuses.
Experiment shows that the detection accuracy for baby's bed-wetting warning device that the present invention designs is higher, and reaction speed is fast, water-fast
It washes, the service life is long, and easy to operate, baby uses comfortable.
Implementation of the invention is described in detail above, but the content is preferable implementation process of the invention, no
The protection scope of the claim of this application can be construed as limiting.All equalizations done with the present patent application scope of the claims
Variation and improvement, should all belong within the protection scope of the claim of this application.
Claims (5)
1. a kind of baby's bed-wetting warning device, which is characterized in that including the bed-wetting detecting pad being arranged on bed board and detection of wetting the bed
Pad the signal processor of connection, and the warning indicator connecting with signal processor；
Wherein, the bed-wetting detecting pad real-time monitoring wets the bed and will test information and is transmitted in the signal processor, institute
The signal processor stated handles signal, determines bed-wetting situation, and is transmitted to warning indicator and is indicated；
The bed-wetting detecting pad includes the air-and water-permeable layer that top layer is arranged in, first be arranged in below air-and water-permeable layer guarantor
Sheath, the flexible sensor being arranged in below the first protective layer, set gradually the second protection below the flexible sensor
Layer, waterproof ventilative layer；
Be additionally provided with Acquisition Circuit and decision circuitry, wherein the Acquisition Circuit is connect with conductive electrode, Acquisition Circuit it is defeated
Outlet is connect with decision circuitry, and decision circuitry is connect with relay coil；
The flexible sensor includes two symmetrical comb teeth shape conductive electrodes, two comb teeth shape conductive electrodes it is each
Be intertwined between comb teeth, adjacent fingers are located on two difference conductive electrodes, between the adjacent fingers there are
Gap not in contact with；
The air-and water-permeable layer is graphene layer；Protective layer is made of functional polymer film；The air-and water-permeable layer
It is integrally formed with the first protective layer, graphene layer is bonded integrally by applying adhesive with first protective layer；
The adhesive is mixed by tetraethoxysilane, deionized water, titanate coupling agent PN-105 according to molar ratio, mole
Than forming mixed liquor for 1:40:1.2 mixed hydrolysis, graphene layer is immersed in mixed liquor, catalyst is added in mixed liquor
Potassium permanganate is heated to 200 DEG C, bakes 60s；Graphene layer is taken out, and the macromolecule membrane described in upper surface covering, leaching
Bubble is in dehydrated alcohol；It is cooled to 20-25 DEG C, then the good graphene of air-and water-permeable, macromolecule membrane layer is made.
2. baby's bed-wetting warning device according to claim 1, which is characterized in that first protective layer, second protect
Sheath is located at the upper side and lower side of the flexible sensor；
Two protective layers are made of functional polymer film, and can air-and water-permeable.
3. baby's bed-wetting warning device according to claim 1, which is characterized in that the conductive electrode uses printer
Skill is laid in the substrate of polyurethane material, and two conductive electrodes are exported by two printed circuit cables respectively；
It is mutually powered between two conductive electrodes, provides signal to the signal processor.
4. baby's bed-wetting warning device according to claim 1, which is characterized in that the air-and water-permeable layer is using permeable
Property high molecular material production；
The flexible sensor is made using conductive cloth or rubber film.
5. baby's bed-wetting warning device according to claim 1, which is characterized in that the signal processor include one after
Electric appliance, two power supplys, two relay contacts and double-pole double-throw switch；
It further include a wireless signal transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094940.5A CN106652375B (en) | 2017-02-22 | 2017-02-22 | A kind of baby's bed-wetting warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094940.5A CN106652375B (en) | 2017-02-22 | 2017-02-22 | A kind of baby's bed-wetting warning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106652375A CN106652375A (en) | 2017-05-10 |
| CN106652375B true CN106652375B (en) | 2019-02-05 |
Family
ID=58845916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710094940.5A Expired - Fee Related CN106652375B (en) | 2017-02-22 | 2017-02-22 | A kind of baby's bed-wetting warning device |
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| CN (1) | CN106652375B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108967341A (en) * | 2017-05-31 | 2018-12-11 | 范石军 | It is a kind of for accurately measuring group's feeding type measurement device of animal feed intake |
| CN107802408B (en) * | 2017-11-30 | 2023-05-23 | 北京蓝天腾麟医疗科技有限公司 | Multi-sensing-point intelligent diaper and monitoring method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294219C (en) * | 2005-05-27 | 2007-01-10 | 吉林大学 | High strength organic / inorganic nano composite transparent film layer materials and method for preparing same |
| CN201662874U (en) * | 2010-04-27 | 2010-12-01 | 河北师范大学 | Wet diaper alarm |
| CN202843929U (en) * | 2012-11-06 | 2013-04-03 | 马建英 | Novel automatic alarming nursing pad |
| BR112015023477A2 (en) * | 2013-03-15 | 2017-07-18 | Medline Ind Inc | disposable flexible sheet with absorbent core |
| GB2532502A (en) * | 2014-11-21 | 2016-05-25 | Susnjar Timea | An incontinence monitoring device |
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