CN108917877B - Urine detection device - Google Patents
Urine detection device Download PDFInfo
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- CN108917877B CN108917877B CN201810913023.XA CN201810913023A CN108917877B CN 108917877 B CN108917877 B CN 108917877B CN 201810913023 A CN201810913023 A CN 201810913023A CN 108917877 B CN108917877 B CN 108917877B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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Abstract
The invention discloses a urine detection device, which comprises a urine collection groove, a concentration detection device and an alarm device, wherein the concentration detection device is arranged on the groove wall of the urine collection groove, the alarm device is fixed on a waistband of a paper diaper, the urine collection groove is arranged below a urine absorption area of the paper diaper, a notch of the urine collection groove is in contact with a urine absorption layer in the urine absorption area, the concentration detection device comprises a light source and a photoresistor, the light source is arranged on the groove wall on one side of the urine collection groove, the photoresistor is arranged on the groove wall on the opposite side and is opposite to the light source, and the photoresistor is coupled with. According to the urine detection device, the urine collection can be effectively realized through the arrangement of the urine collection groove, then the concentration of urine is effectively detected through the concentration detection device in the urine collection groove, and then timely and effective alarming is carried out through the urine alarm device and the concentration alarm device in the alarm device.
Description
Technical Field
The invention relates to a detection device, in particular to a urine detection device.
Background
The paper diaper is a very common article for newborn babies at present, has the main function of absorbing urine of the babies in time, so as to avoid urine remaining on the skin of the baby and keep the skin of the baby dry and comfortable, but the prior paper diaper has a certain absorption amount, namely, when the urine on the paper diaper is fully absorbed, the paper diaper can not continuously absorb the urine, so that the paper diaper needs to be replaced in order to avoid the problem that the paper diaper can not absorb the urine, the urination of the baby does not have corresponding regularity, so that the urine which cannot be absorbed is remained on the skin of the baby only after the paper diaper absorbs the urine, then the baby can know that the diaper needs to be replaced effectively only if the skin of the baby is uncomfortable and crying, but the method has the serious problem of untimely replacement, thus, prior art devices have been provided to detect when a diaper has become full of urine to indicate a timely diaper change by an adult.
However, the conventional device for detecting urine on a diaper is realized by arranging a power supply and two electrodes, that is, after the urine on the diaper is fully absorbed, the diaper has conductivity due to the presence of the urine, so that the two electrodes are switched on, and thus, an effect of detecting whether the urine on the diaper is fully absorbed is realized.
Disclosure of Invention
In view of the disadvantages of the prior art, the present invention aims to provide a urine detection device capable of detecting not only whether urine on a diaper is full, but also detecting the concentration of urine.
In order to achieve the purpose, the invention provides the following technical scheme: a urine detection device comprises a urine collection groove, a concentration detection device and an alarm device, wherein the concentration detection device is arranged on the groove wall of the urine collection groove, the alarm device is fixed on a waistband of a paper diaper, the urine collection groove is arranged below a urine absorption area of the paper diaper, a notch of the urine collection groove is in contact with a urine absorption layer in the urine absorption area, the concentration detection device comprises a light source arranged on the groove wall on one side of the urine collection groove and a photoresistor arranged on the groove wall on the opposite side and opposite to the light source, the photoresistor is coupled with the alarm device to output a signal to the alarm device for alarming, the alarm device comprises a urine alarm device and a concentration alarm device which are both arranged on the waistband of the paper diaper, the photoresistor is coupled with a judgment circuit to input a detected brightness signal to the judgment circuit, the judgment circuit is internally provided with a first brightness threshold value and a second brightness threshold value, and the second brightness threshold value is larger, the judgment circuit is coupled with the urine alarm device and the concentration alarm device, when the judgment circuit judges that the brightness signal of the photosensitive resistor reaches a first brightness threshold value, the judgment circuit outputs a signal to the urine alarm device to drive the urine alarm device to give an alarm, and when the judgment circuit judges that the brightness signal of the photosensitive resistor reaches a second brightness threshold value, the judgment circuit outputs a signal to the concentration alarm device to drive the concentration alarm device to give an alarm.
As a further improvement of the present invention, the judgment circuit includes:
a first comparator U1, in which a first reference voltage as a first brightness threshold is input to an inverting input terminal of the first comparator U1, a non-inverting input terminal of the first comparator U1 is coupled to the photo-resistor, and an output terminal is coupled to the urine alarm device;
a PNP triode Q, the collector of which is coupled with the output end of the first comparator U, the emitter of which is coupled with the urine alarm device, and the base of which is coupled with the voltage reduction resistor and then is coupled with the photosensitive resistor;
a second comparator U2, in which a second reference voltage as a second brightness threshold is inputted to an inverting input terminal of the second comparator U2, a non-inverting input terminal of the second comparator U2 is coupled to the photo-resistor, and an output terminal is coupled to the concentration alarm device.
As a further improvement of the invention, the urine alarm device is a yellow LED lamp, the concentration alarm device is a red LED lamp, wherein the yellow LED lamp, the red LED lamp and the judgment circuit are integrated on a lamp strip, a sticking buckle for sticking on a waistband of a diaper is arranged on one side of the lamp strip opposite to the yellow LED lamp and the red LED lamp, the yellow LED lamp and the red LED lamp are respectively connected with an output end of the first comparator U and an output end of the second comparator U through leads, and a plurality of sticking pieces for sticking on the diaper are arranged on the leads. As a further improvement of the invention, the urine collection groove is in a hollow cylindrical shape with an opening at the upper end, a collection ring is arranged on a notch of the urine collection groove, the collection ring is in a funnel shape, a water leakage port is fixedly connected with the edge of the notch of the urine collection groove, and when the urine collection groove is arranged below a urine absorption area of the paper diaper, the inner annular wall of the collection ring is attached to the urine absorption area of the paper diaper.
As a further improvement of the invention, the collecting ring is made of a silica gel material, a pressing part pressed by a hand is arranged on the outer ring wall of the collecting ring, when the pressing part is pressed by the hand, the collecting ring shrinks and presses the urine absorbing area of the paper diaper, so that urine in the urine absorbing area is extruded out through the collecting ring and flows into the urine collecting groove.
The invention has the advantages that through the arrangement of the urine collecting groove, the redundant urine can be effectively collected after the urine absorbing area of the paper diaper is full, then the concentration of the urine is detected through the concentration detection device in the urine collecting groove, and then the alarm is given through the urine alarm device and the concentration alarm device in the alarm device, wherein the alarm of the urine alarm device indicates that the urine absorbing area of the paper diaper at the moment is full, and if the concentration alarm device gives an alarm, the alarm indicates that the body of the baby at the moment is in an unhealthy state, so compared with the structure which only adopts the electrode to detect whether the urine is full in the prior art, the invention has the function of detecting the urine concentration condition of the baby, greatly enhances the function of the urine detection device, and simultaneously through the arrangement of the judgment circuit, the urine at the moment can be effectively judged whether the urine is full or not, still the too high condition of urine concentration, alright avoid having the concentration alarm device that the urine just leads to like this to produce the warning, the problem that the unable clear condition of distinguishing of adult is made in urine alarm device and the synchronous warning of concentration alarm device that leads to.
Drawings
FIG. 1 is an overall configuration view of a urine testing device according to the present invention;
fig. 2 is a circuit diagram of the judgment circuit in fig. 1.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1 to 2, a urine detecting device of this embodiment includes a urine collecting tank 1, a concentration detecting device 2 disposed on a tank wall of the urine collecting tank 1, and an alarm device 3 fixed on a waistband of a paper diaper, wherein the urine collecting tank 1 is disposed below a urine absorbing region of the paper diaper, and a notch of the urine collecting tank 1 contacts with a urine absorbing layer in the urine absorbing region, the concentration detecting device 2 includes a light source 21 disposed on a tank wall on one side of the urine collecting tank 1 and a photo resistor 22 disposed on a tank wall on an opposite side and opposite to the light source 21, the photo resistor 22 is coupled to the alarm device 3 to output a signal to the alarm device 3 for alarm, the alarm device 3 includes a urine alarm device 31 and a concentration alarm device 32 both disposed on the waistband of the paper diaper, the photo resistor 22 is coupled to a judging circuit 23 to input a detected brightness signal to the judging circuit 23, the judging circuit 23 has a first brightness threshold and a second brightness threshold, wherein the second brightness threshold is greater than the first brightness threshold, the judging circuit 23 is coupled to the urine alarm device 31 and the concentration alarm device 32, when the judging circuit 23 judges that the brightness signal of the photosensitive resistor 22 reaches the first brightness threshold, the judging circuit 23 outputs a signal to the urine alarm device 31 to drive the urine alarm device 31 to give an alarm, when the judging circuit 23 judges that the brightness signal of the photosensitive resistor 22 reaches the second brightness threshold, the judging circuit 23 outputs a signal to the concentration alarm device 32 to drive the concentration alarm device 32 to give an alarm, in the process of using the urine detection device of the present embodiment, only the alarm device 3 needs to be mounted on the belt of the paper diaper, then the urine collecting tank 1 with the concentration detection device 2 is mounted below the urine absorption area, and then the concentration detection device 2 and the alarm device 3 will operate, in the working process of the concentration detection device 2, the concentration detection device is realized by matching the light source 21 and the photoresistor 22, that is, when no urine exists in the urine collection tank 1, only air exists in the urine collection tank 1, so that the light on the light source 21 can irradiate the photoresistor 22, and the photoresistor 22 can generate resistance value change according to the brightness of the light source 21 after sensing the light, so that after the urine absorption area of the paper diaper is fully absorbed with the urine, redundant urine can enter the urine collection tank 1, and therefore the urine can be filled between the light source 21 and the photoresistor 22, so that the illumination intensity of the light source 21 irradiating the photoresistor 22 is changed, and when the concentration of the urine is increased, the illumination intensity of the light source 21 irradiating the photoresistor 22 is reduced, so that the judgment circuit 23 can judge whether the urine exists or the urine with higher concentration according to the output resistance of the photoresistor 22, make urine alarm device 31 and concentration alarm device 32 in alarm device 3 send out the warning as required, so compare the mode that adopts bipolar electrode detection among the prior art, on the one hand not only effectual realized whether the urine absorbs the full condition, on the other hand effectual realized to the detection of urine concentration, great promotion urine detection device's function.
As a specific embodiment of the improvement, the judging circuit 23 includes:
a first comparator U1, in which a first reference voltage as a first brightness threshold is input to an inverting input terminal of the first comparator U1, a non-inverting input terminal of the first comparator U1 is coupled to the photo-resistor 22, and an output terminal is coupled to the urine alarm device 31;
a PNP transistor Q having a collector coupled to the output terminal of the first comparator U1, an emitter coupled to the urine alarm device 31, and a base coupled to the voltage dropping resistor and then to the photo resistor 22;
a second comparator U2, in which a second reference voltage as a second brightness threshold is inputted to an inverting input terminal of the second comparator U2, a non-inverting input terminal of the second comparator U2 is coupled to the photo resistor 22, and an output terminal is coupled to the concentration alarm device 32, the photo resistor 22 of this embodiment is a photo resistor with a positive coefficient, so that when urine fills the urine collection tank 1, the intensity of light on the photo resistor 22 will decrease, and when the output resistance of the photo resistor 22 becomes smaller, the divided voltage will also become smaller, and therefore, the first comparator U1 and the second comparator U2 and the arrangement of the first reference voltage and the second reference voltage are adopted in this embodiment, so as to effectively determine whether the output resistance of the photo resistor 22 at this time is smaller than the threshold, that is indicative of whether there is urine in the urine collection tank 1 or whether the concentration of urine exceeds the threshold, meanwhile, the problem that when the urine concentration is high, the urine alarm device 31 still gives an alarm to make people unclear by the aid of the output end of the first comparator U1 still outputting signals can be solved by the aid of the PNP triode Q, and the urine alarm device can be effectively stuck and fixed to a paper diaper by the aid of the three parts, namely the first comparator U1, the second comparator U2 and the PNP triode, wherein the first reference voltage and the second reference voltage can be obtained by means of voltage division of a power supply, or various modes such as the power supply is additionally arranged can be achieved.
As an improved specific embodiment, the urine alarm device 31 is a yellow LED lamp, the concentration alarm device 32 is a red LED lamp, wherein the yellow LED lamp, the red LED lamp and the determination circuit 23 are integrated on a lamp strip, a sticky button for sticking to a waistband of a diaper is disposed on a side of the lamp strip opposite to the yellow LED lamp and the red LED lamp, the yellow LED lamp and the red LED lamp are respectively connected to an output end of the first comparator U1 and an output end of the second comparator U2 through wires, and a plurality of sticky pieces 4 for sticking to the diaper are disposed on the wires, and the LED lamps of two colors are adopted for alarm warning, so that an adult only needs to check the color of the lighted LED lamp to determine which alarm is generated at that time, and the overall structure is simple, and the sticky button can be pasted and fixed to the waistband of the diaper simply and effectively, the effect of recycling is realized.
As an improved specific embodiment, the urine collection tank 1 is a hollow cylinder with an open upper end, a collection ring 5 is arranged on a notch of the urine collection tank 1, the collection ring 5 is funnel-shaped, a water leakage port is fixedly connected with the edge of the notch of the urine collection tank 1, when the urine collection tank 1 is arranged below a urine absorption area of a paper diaper, an inner ring wall of the collection ring 5 is attached to the urine absorption area of the paper diaper, and through the arrangement of the collection ring 5, the urine which is excessive in the urine absorption area of the paper diaper can be effectively drained into the urine collection tank 1.
As an improved specific embodiment, the collecting ring 5 is made of a silicone material, the pressing portion 6 pressed by a hand is arranged on the outer annular wall of the collecting ring 5, when the pressing portion 6 is pressed by the hand, the collecting ring 5 contracts and presses the urine absorption area of the paper diaper, so that urine in the urine absorption area is extruded and flows into the urine collection groove 1 through the collecting ring 5, and when an adult suspects that the body of the infant is on fire, the urine absorption area is often squeezed by observing the urine concentration of the infant, therefore, in the embodiment, a manner that the collecting ring 5 can be squeezed is adopted, so that the adult can squeeze the urine absorbed and stored in the paper diaper onto the urine collection groove 1 by squeezing the collecting ring 5, and then directly detect the urine concentration through the urine collection groove 1, thereby realizing rapid judgment on whether the infant is on fire or not.
In conclusion, the urine detection device of this embodiment, whether the urine that not only can effectual detection panty-shape diapers is inhaled and is full, can also the effectual concentration condition that detects the urine, compares the mode that detects in the bipolar electrode among the prior art, and the function has obtained very big promotion.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. A urine detection device is characterized by comprising a urine collection groove (1), a concentration detection device (2) arranged on the groove wall of the urine collection groove (1) and an alarm device (3) fixed on a waistband of a paper diaper, wherein the urine collection groove (1) is arranged below a urine absorption area of the paper diaper, a notch of the urine collection groove is in contact with a urine absorption layer in the urine absorption area, the concentration detection device (2) comprises a light source (21) arranged on the groove wall on one side of the urine collection groove (1) and a photoresistor (22) arranged on the groove wall on the opposite side and opposite to the light source (21), the photoresistor (22) is coupled with the alarm device (3) to output a signal to the alarm device (3) for alarming, the alarm device (3) comprises a urine alarm device (31) and a concentration alarm device (32) which are both arranged on the waistband of the paper diaper, and a judgment circuit (23) is coupled with the photoresistor (22), when the judgment circuit (23) judges that the brightness signal of the photoresistor (22) reaches the first brightness threshold value, the judgment circuit (23) outputs a signal to the urine alarm device (31) to drive the urine alarm device (31) to give an alarm, and when the judgment circuit (23) judges that the brightness signal of the photoresistor (22) reaches the second brightness threshold value, the judgment circuit (23) outputs a signal to the concentration alarm device (32) to drive the concentration alarm device (32) to give an alarm;
the judgment circuit (23) includes:
a first comparator U1, in which a first reference voltage as a first brightness threshold is inputted to an inverting input terminal of the first comparator U1, a non-inverting input terminal of the first comparator U1 is coupled to the photo resistor (22), and an output terminal is coupled to the urine alarm device (31);
a PNP triode Q, the collector of which is coupled with the output end of the first comparator U1, the emitter of which is coupled with the urine alarm device (31), and the base of which is coupled with the step-down resistor and then is coupled with the photoresistor (22);
a second comparator U2, in which a second reference voltage as a second brightness threshold is inputted to an inverting input terminal of the second comparator U2, a non-inverting input terminal of the second comparator U2 is coupled to the photo resistor (22), and an output terminal is coupled to the concentration alarm device (32).
2. The urine testing device according to claim 1, wherein: urine alarm device (31) are yellow LED lamp, concentration alarm device (32) are red LED lamp, and wherein, yellow LED lamp and red LED lamp and judge that circuit (23) are integrated on a lamp area, and one side of this lamp area yellow LED lamp and red LED lamp dorsad is equipped with and is used for pasting the button of pasting on the panty-shape diapers waistband, yellow LED lamp and red LED lamp are connected with the output of first comparator U1 and the output of second comparator U2 through the wire respectively to be equipped with a plurality of on the wire and be used for pasting adhesive sheet (4) on the panty-shape diapers.
3. The urine testing device according to claim 1 or 2, wherein: the urine collection groove (1) is in a hollow cylindrical shape with an open upper end, a collection ring (5) is arranged on a notch of the urine collection groove (1), the collection ring (5) is funnel-shaped, a water leakage port is fixedly connected with the edge of the notch of the urine collection groove (1), the urine collection groove (1) is arranged below a urine absorption area of a paper diaper, and an inner ring wall of the collection ring (5) is attached to the urine absorption area of the paper diaper.
4. The urine testing device according to claim 3, wherein: the collecting ring (5) is made of a silica gel material, the outer annular wall of the collecting ring (5) is provided with a pressing part (6) pressed by a hand, when the pressing part (6) is pressed by the hand, the collecting ring (5) shrinks and extrudes the urine absorbing area of the paper diaper, so that urine in the urine absorbing area is extruded out and flows into the urine collecting groove (1) through the collecting ring (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810913023.XA CN108917877B (en) | 2018-08-10 | 2018-08-10 | Urine detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810913023.XA CN108917877B (en) | 2018-08-10 | 2018-08-10 | Urine detection device |
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| CN108917877A CN108917877A (en) | 2018-11-30 |
| CN108917877B true CN108917877B (en) | 2020-04-10 |
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| CN201810913023.XA Active CN108917877B (en) | 2018-08-10 | 2018-08-10 | Urine detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111637951B (en) * | 2020-05-27 | 2022-03-22 | 广州大学 | Photosensitive emulsion liquid level detection device and atomization method |
| CN115024899A (en) * | 2022-05-20 | 2022-09-09 | 小护士(天津)科技股份有限公司 | Automatic radio frequency signal panty-shape diapers based on bioelectricity |
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| CN105361999A (en) * | 2014-08-19 | 2016-03-02 | 北京小鹿科技有限公司 | Intelligent paper diaper with function of wetness reminding |
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| CN204218937U (en) * | 2014-11-20 | 2015-03-25 | 邢雅娜 | Neonate urine collector |
| US10028865B2 (en) * | 2016-06-13 | 2018-07-24 | Verily Life Sciences Llc | Hardware to determine when a diaper needs to be changed and provide electronic notification |
| CN107468424A (en) * | 2017-06-12 | 2017-12-15 | 杭州龙鑫科技有限公司 | A kind of neonatal urine collecting function type paper diaper |
| CN107703068A (en) * | 2017-12-08 | 2018-02-16 | 成都工业学院 | A kind of Intellectual feeding bottle and milk concentration detection method |
| CN207649722U (en) * | 2017-12-28 | 2018-07-24 | 广东科翔电子科技有限公司 | A kind of PCB etching liquid level sensing device synchronous with concentration |
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| CN102202627A (en) * | 2008-10-31 | 2011-09-28 | 金伯利-克拉克环球有限公司 | Absorbent articles with impending leakage sensors |
| CN105361999A (en) * | 2014-08-19 | 2016-03-02 | 北京小鹿科技有限公司 | Intelligent paper diaper with function of wetness reminding |
| WO2017160399A1 (en) * | 2016-03-15 | 2017-09-21 | Byunghoo Jung | Devices, systems, and methods for detecting targeted compounds |
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