CN212186905U - Intelligent diaper with multiple induction points - Google Patents
Intelligent diaper with multiple induction points Download PDFInfo
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- CN212186905U CN212186905U CN201721639511.3U CN201721639511U CN212186905U CN 212186905 U CN212186905 U CN 212186905U CN 201721639511 U CN201721639511 U CN 201721639511U CN 212186905 U CN212186905 U CN 212186905U
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- diaper
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Abstract
The utility model discloses a many induction points intelligence diaper. The utility model adopts the technical scheme that a plurality of groups of detection electrodes are arranged on a hollowed-out substrate and are placed on the surface of the diaper, and the plurality of groups of detection electrodes are distributed along the central axis of the diaper from front to back; when defecation occurs, the multiplexing unit collects the resistance value between the detection electrodes, judges whether the defecation occurs or not according to the change of the resistance value within a period of time, and judges whether the defecation is defecation or urination; the utility model adopts the hollowed-out substrate, realizes the air permeability of the electrode plate, is beneficial to the diaper to quickly absorb excrement and urine, and is also beneficial to improving the comfort level of the baby; has the capability of distinguishing the excrement from the urine, and can realize different function prompts aiming at the difference of the excrement and the urine.
Description
Technical Field
The utility model relates to an intelligence diaper, concretely relates to many induction points intelligence diaper.
Background
Because the traditional diaper is frequently changed, the cleaning amount is large, the skin of a baby is easy to soak in urine stains and feces stains carelessly, the cleaning and airing conditions are not good, and bacteria are easy to breed. Disposable diapers are produced in the future and are becoming more and more popular with young parents. Many times, adults often forget to change diapers for babies due to negligence or other reasons, and these factors can harm the health of the babies. The intelligent paper diaper meets the market demand.
The existing intelligent diaper adopts a pair of sensing electrodes with a certain distance to be placed in a sensing area, whether defecation occurs or not is judged within a set threshold range by detecting the resistance value of the sensing electrodes, and the principle is similar to that of a raindrop sensor. The change of the resistance value of the induction electrode means the humidity change of the electrode environment, so another humidity detection mode is to directly adopt a humidity sensor and detect whether defecation exists or not by combining the humidity sensor with the temperature change. However, the existing method can only detect whether the defecation exists or not, and cannot analyze the defecation quantity; and has no ability to distinguish between urination and defecation, which may not be detected if the infant merely defecates; the humidity sensor is combined with the temperature sensor, so that false alarm or false alarm can be easily generated. Moreover, the induction electrode is arranged on the whole substrate, so that the air permeability is poor, and the skin of the baby is greatly damaged.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above prior art, the utility model provides a many induction points intelligence diaper adopts a plurality of induction areas, carries out accurate judgement to having the defecation to have stool and urine resolving power.
The utility model discloses a many induction points intelligence diaper includes: the device comprises a substrate, a plurality of groups of detection electrodes and a multiplexing unit; the surface of the substrate is distributed with a plurality of groups of detection electrodes from front to back to form a sensing structure, and each group of detection electrodes comprises two independent sensing electrodes; the substrate is discontinuous, and gaps are formed among the induction electrodes to form a hollow or strip-shaped structure; the sensing structure is arranged on the surface of the diaper, which is attached to the skin, and the multiple groups of detection electrodes are uniformly distributed from front to back along the central axis of the diaper or are non-uniformly distributed as required; laying insulating water-permeable surface layers on the surfaces of the multiple groups of detection electrodes; each induction electrode is connected to the multiplexing unit through a lead respectively; the multiplexing unit selects every two induction electrodes to form a detection electrode pair, and each detection electrode pair is connected to a single channel of the multiplexing unit; the multiplexing unit is arranged at the position where the surface of the diaper faces the abdomen of the baby and does not influence the movement of the baby.
When defecation occurs, the resistance value between a pair of induction electrodes in the same detection electrode pair is changed and is transmitted to the multiplexing unit through a lead; the multiplexing unit obtains the humidity through the change of the resistance value, judges whether defecating and defecating or urinating according to the change condition of the humidity within a period of time, and transmits the result to the external equipment.
The multiplexing unit comprises a switching circuit, a signal processing circuit, an A/D converter, a processor and a communication circuit which are connected in sequence; each induction electrode is respectively connected to the switching circuit of the multiplexing unit through a lead; the switching circuit is also connected to the processor; the signal processing circuit adopts a preprocessing circuit composed of an analog operational amplifier; the communication circuit is connected to an external device.
The processor selects two sensing electrodes in each group of sensing electrodes to form a sensing electrode pair, and controls the switching circuit to connect the two sensing electrodes in the same group to an independent channel of the signal processing circuit of the multiplexing unit; or the processor selects one induction electrode from each two adjacent groups of detection electrodes to form a detection electrode pair, and controls the switching circuit to connect the two corresponding induction electrodes in the two adjacent groups of detection electrodes to an independent channel of the signal processing circuit of the multiplexing unit; when defecation occurs, the resistance value between two induction electrodes in one detection electrode pair is changed, the signal processing circuit adopts a preprocessing circuit formed by an analog operational amplifier, the input signal and the output signal of the preprocessing circuit are in a function relation of proportion, logarithm or exponent, and the output signal of the preprocessing circuit is transmitted to an A/D converter; the A/D converter converts the analog signal into a digital signal and transmits the digital signal to the processor; the processor obtains the resistance value by calculating the digital signal value according to the A/D converter, thereby obtaining the humidity, and judges whether defecating or urinating is performed or not according to the change condition of the humidity within a period of time; the processor is connected to a communication circuit, which delivers the results to an external device.
The multiplexing unit is in a small, exquisite and light shape, the switching circuit, the signal processing circuit, the A/D converter, the processor and the communication circuit are integrated on a high-density circuit board, and a shell is sleeved outside the circuit board.
The external equipment is a mobile phone or a repeater; the multiplexing unit is connected with the mobile phone or the repeater in a Bluetooth mode, or the multiplexing unit is connected with the repeater through wireless connection technologies such as Zigbee, 6LowPAN or Lora, and the mobile phone or the repeater is accessed to the Internet through wireless fidelity (WIFI) or a mobile network; or the multiplexing unit directly accesses the Internet in a narrow-band Internet of things NB-IoT mode based on WIFI and honeycomb. Through the network, the guardian remotely inquires various related information of the baby to know the real-time condition of the baby.
The position of the multiplexing unit does not influence the comfort of the baby as much as possible, the multiplexing unit is arranged on the diaper facing the baby belly, and the multiplexing unit is clamped between the diaper and the baby belly after the diaper is worn.
The insulating water-permeable surface layer is made of cotton material.
The sensing structure is externally arranged on the surface of the diaper or is internally arranged in the diaper; in the peripheral mode, the substrate of the sensing structure is arranged on the surface, attached to the skin, of the diaper, the multiple groups of detection electrodes respectively face the skin outwards and face the diaper inwards, and the surfaces of the multiple groups of sensing electrodes are paved with insulating water-permeable surface layers; in the built-in mode, a sensing structure is arranged in a flow guide layer of the diaper, a plurality of groups of sensing electrodes face the skin, and an insulating water-permeable surface layer is arranged on the surfaces of the plurality of groups of sensing electrodes on the flow guide layer.
The size of the substrate hollow is 0.1-40 mm; the multiple groups of detection electrodes are prepared on the substrate in a photoetching, compression joint, printing or corrosion mode.
The multi-group detection electrodes of the utility model can be designed into different arrangement modes according to the difference of the babies of men and women. The density of the detection electrode at the front position is designed to be higher for the boy baby, so that a small amount of urination can be more sensitively monitored, the density of the detection electrode at the middle part and the rear part is designed to be lower, materials are saved under the condition that the situation that the male baby does not miss reports is ensured, and the cost and the design difficulty are reduced. By the same token, the detection electrodes at two ends are designed for the treasure for women to have low density, and the detection electrodes at the middle position are designed to have high density.
In addition, the density of the detection electrode is directly related to the lower limit of urine volume for triggering alarm. Denser electrodes may have better sensitivity but may cause problems with excessive wiring; sparser electrodes may reduce the number of wires, but may miss reports when urine volume is too low. Therefore, the electrodes are arranged in a non-uniform distribution mode, so that the defecation detection sensitivity is high while the number of connecting wires is small.
The utility model has the advantages that:
the utility model adopts the technical scheme that a plurality of groups of detection electrodes are arranged on a hollowed-out substrate and are placed on the surface of the diaper, and the plurality of groups of detection electrodes are distributed along the central axis of the diaper from front to back; when defecation occurs, the multiplexing unit collects the resistance value between the detection electrodes, judges whether the defecation occurs or not according to the change of the resistance value within a period of time, and judges whether the defecation is defecation or urination; the utility model adopts the hollowed-out substrate, realizes the air permeability of the electrode plate, is beneficial to the diaper to quickly absorb excrement and urine, and is also beneficial to improving the comfort level of the baby; has the capability of distinguishing the excrement from the urine, and can realize different function prompts aiming at the difference of the excrement and the urine.
Drawings
FIG. 1 is a block diagram of a multi-sensor intelligent diaper of the present invention;
fig. 2 is a schematic view of a plurality of sets of detection electrodes according to a first embodiment of the multi-sensing-point intelligent diaper of the present invention;
fig. 3 is a schematic view of a plurality of sets of detection electrodes of a second embodiment of the multi-sensing-point intelligent diaper of the present invention;
fig. 4 is a schematic view of a plurality of sets of detection electrodes according to a third embodiment of the multi-sensing-point intelligent diaper of the present invention.
Detailed Description
The invention will be further elucidated by means of specific embodiments in the following with reference to the drawings.
Example one
In this embodiment, the set of detecting electrodes includes two sensing electrodes independent of each other.
As shown in fig. 1, the multi-induction-point smart diaper of the present embodiment includes: the device comprises a substrate, a plurality of groups of detection electrodes and a multiplexing unit; wherein, a plurality of groups of detection electrodes are uniformly distributed on the surface of the substrate from front to back to form a sensing structure; the substrate is discontinuous, and gaps are formed among the induction electrodes to form a hollow or strip-shaped structure; the sensing structure is arranged on the surface of the diaper, which is attached to the skin, and the multiple groups of detection electrodes are uniformly distributed from front to back along the central axis of the diaper; laying insulating water-permeable surface layers on the surfaces of the multiple groups of detection electrodes; each group of detection electrodes is respectively connected to a single channel of the multiplexing unit through a lead; the multiplexing unit is in a small, exquisite, light and thin shape, is arranged on the surface of the diaper, faces the abdomen of the baby and does not influence the movement of the baby.
The multiplexing unit comprises a switching circuit, a signal processing circuit, an A/D converter, a processor and a communication circuit; each induction electrode is respectively connected to the switching circuit of the multiplexing unit through a lead; two sensing electrodes in each group of sensing electrodes form a sensing electrode pair, and the processor controls the switching circuit to connect the two sensing electrodes in the same group to an independent channel of the signal processing circuit of the multiplexing unit; or, in two adjacent groups of detection electrodes, one induction electrode is taken to form one detection electrode pair, and the processor controls the switching circuit to connect two corresponding induction electrodes in the two adjacent groups of detection electrodes to an independent channel of the signal processing circuit of the multiplexing unit; when defecation occurs, the resistance value between two sensing electrodes in one detection electrode pair is changed, the signal processing circuit adopts a preprocessing circuit formed by an analog operational amplifier, the input signal and the output signal of the preprocessing circuit are in a function relation of proportion, logarithm or exponent, and the output signal of the preprocessing circuit is transmitted to an A/D converter to convert the analog signal into a digital signal and then transmitted to a processor; the processor obtains a resistance value through calculation according to the digital signal value of the A/D converter, thereby obtaining the humidity, and judges whether defecating or defecating is performed or not according to the change condition of the humidity within a period of time; the processor is connected to a communication circuit, which delivers the results to an external device.
The multiplexing unit is small, light and thin, and the switching circuit, the signal processing circuit, the a/D converter, the processor, and the communication circuit are integrated on a High Density Interconnect (HDI) board, which in this embodiment is 40 × 25 × 5mm in size.
As shown in fig. 2, in the present embodiment, three sets of detection electrodes are provided, and each set of detection electrodes includes two independent and relatively parallel strip-shaped sensing electrodes.
Example two
In the present embodiment, as shown in fig. 3, 8 sets of sensing electrodes are provided, each set of sensing electrodes including two independent sensing electrodes with complementary shapes. The other steps are the same as those of the first embodiment.
EXAMPLE III
As shown in fig. 4, in the present embodiment, 2 sets of detecting electrodes are provided, and each set of detecting electrodes includes two independent sensing electrodes interlaced with each other. The other steps are the same as those of the first embodiment.
Finally, it is noted that the disclosed embodiments are intended to aid in further understanding of the invention, but will be understood by those skilled in the art that: various substitutions and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the present invention should not be limited to the embodiments disclosed, and the scope of the present invention is defined by the appended claims.
Claims (6)
1. A multi-induction-point intelligent diaper, comprising: the device comprises a substrate, a plurality of groups of detection electrodes and a multiplexing unit; the surface of the substrate is distributed with a plurality of groups of detection electrodes from front to back to form a sensing structure, and each group of detection electrodes comprises two independent sensing electrodes; the substrate is discontinuous, and gaps are formed among the induction electrodes to form a hollow or strip-shaped structure; the sensing structure is arranged on the surface of the diaper, which is attached to the skin, and the multiple groups of detection electrodes are uniformly distributed from front to back along the central axis of the diaper or are non-uniformly distributed as required; laying insulating water-permeable surface layers on the surfaces of the multiple groups of detection electrodes; each induction electrode is connected to the multiplexing unit through a lead respectively; the multiplexing unit selects every two induction electrodes to form a detection electrode pair, and each detection electrode pair is connected to a single channel of the multiplexing unit; the multiplexing unit is arranged at a position where the surface of the diaper faces the abdomen of the baby and does not influence the movement of the baby;
the multiplexing unit comprises a switching circuit, a signal processing circuit, an A/D converter, a processor and a communication circuit which are connected in sequence; each induction electrode is respectively connected to the switching circuit of the multiplexing unit through a lead; the switching circuit is also connected to the processor; the signal processing circuit adopts a preprocessing circuit composed of an analog operational amplifier; the communication circuit is connected to an external device;
the switching circuit, the signal processing circuit, the A/D converter, the processor and the communication circuit of the multiplexing unit are integrated on a circuit board, and a shell is sleeved outside the circuit board.
2. The multi-induction-point smart diaper of claim 1, wherein the external device is a cell phone or a repeater; the multiplexing unit is connected with the mobile phone or the repeater in a Bluetooth mode, or the multiplexing unit is connected with the repeater through a wireless connection technology, and the mobile phone or the repeater is accessed to the Internet through wireless fidelity (WIFI) or a mobile network; or the multiplexing unit directly accesses the Internet in a narrow-band Internet of things NB-IoT mode based on WIFI and honeycomb.
3. The multi-induction-point intelligent diaper of claim 1, wherein the insulating water-permeable surface layer is made of a cotton material.
4. The multi-sensing-point intelligent diaper of claim 1, wherein the sensing structure is disposed externally to the surface of the diaper or internally within the diaper; in the peripheral mode, the substrate of the sensing structure is arranged on the surface, attached to the skin, of the diaper, the multiple groups of detection electrodes respectively face the skin outwards and face the diaper inwards, and the surfaces of the multiple groups of sensing electrodes are paved with insulating water-permeable surface layers; in the built-in mode, a sensing structure is arranged in a flow guide layer of the diaper, a plurality of groups of sensing electrodes face the skin, and an insulating water-permeable surface layer is arranged on the surfaces of the plurality of groups of sensing electrodes on the flow guide layer.
5. The intelligent diaper with multiple sensing points of claim 1, wherein the size of the base openwork is 0.1-40 mm; the multiple groups of detection electrodes are prepared on the substrate in a photoetching, compression joint, printing or corrosion mode.
6. The intelligent diaper of claim 1, wherein the plurality of sets of detection electrodes are arranged differently for different babies: the density of the detection electrodes at the front part of the multi-group detection electrodes of the diaper for the boy baby is higher, and the density of the detection electrodes at the middle part and the rear part is lower; the detection electrodes at both ends of the plurality of groups of detection electrodes of the diaper for the female baby have low density, and the detection electrodes at the middle position have high density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721639511.3U CN212186905U (en) | 2017-11-30 | 2017-11-30 | Intelligent diaper with multiple induction points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721639511.3U CN212186905U (en) | 2017-11-30 | 2017-11-30 | Intelligent diaper with multiple induction points |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212186905U true CN212186905U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721639511.3U Active CN212186905U (en) | 2017-11-30 | 2017-11-30 | Intelligent diaper with multiple induction points |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212186905U (en) |
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2017
- 2017-11-30 CN CN201721639511.3U patent/CN212186905U/en active Active
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