CN111508208A - Smart diapers and diaper change reminder system - Google Patents

Abstract

The invention discloses a smart paper diaper and a paper diaper replacement reminder system, which mainly solve the defects of high cost, large volume and unsuitability for commercialization of the existing smart paper diaper. The smart diaper is composed of a diaper body (40) and a sensing module (10) for detecting urine and urine, the sensing module (10) being composed of a sensor (11), an NFC chip (12) and an NFC antenna (13). ), the NFC chip is respectively connected with the sensor and the NFC antenna. The diaper replacement reminder system comprises: a sensing module (10) configured on a diaper body (40) for detecting urine and urination; a detection device (20) having an NFC host (21) and a short-range wireless communication module; and A personal terminal (30) with a short-range wireless communication module.

Description

Smart diapers and diaper change reminder system

technical field

The present invention relates to a paper diaper, in particular to an intelligent paper diaper capable of monitoring urine and urination, and to a reminder system for changing the paper diaper.

Background technique

Paper diapers are widely used, including infants and young children and adults who cannot move on their own. Based on the user's basic need for human care, it is necessary to detect the water absorption of the diaper in time and replace it in time to avoid damage to the user's skin. To this end, people have invented smart diapers. The diaper body is provided with a humidity sensor, a controller, a Bluetooth module, and a battery that provides electrical energy for them. The controller is connected to the humidity sensor and the Bluetooth module, and the diaper body is monitored by the humidity sensor. When the humidity reaches the preset value, a reminder message will be sent to the guardian's mobile phone through the Bluetooth module. This solution can make the guardian know that the diaper needs to be replaced in time, but has the following defects: 1. The cost is high and cannot be applied commercially. Since paper diapers are disposable products and consumables, each user needs several diapers per day, and the excessive cost will have no market prospect and cannot be commercialized. 2. The volume is large, which affects the comfort of use. Since the controller, the Bluetooth module and the battery are all installed in the diaper, they occupy a large volume, which will affect the comfort of use. Especially, the user wears the diaper 24 hours a day, and the comfort is very important.

SUMMARY OF THE INVENTION

The present invention provides an intelligent paper diaper on the one hand, and a paper diaper replacement reminder system on the other hand, so as to solve the above-mentioned defects in the related art.

According to an aspect of the present invention, a smart paper diaper is provided, which is composed of a diaper body and a sensing module for detecting urine and urination. The sensing module is composed of a sensor, an NFC (Near Field Communication, near field communication) chip. It is composed of an NFC antenna, and the NFC chip is respectively connected with the sensor and the NFC antenna.

Preferably, the inductor is an impedance inductor. More preferably, the impedance inductor includes first and second wires that are spaced apart.

Preferably, the sensor, the NFC chip and the NFC antenna are arranged on a flexible substrate, and the flexible substrate is sandwiched between two layers of the diaper body. More preferably, the two layers of the diaper body include skin layers close to the human body.

According to another aspect of the present invention, a diaper replacement reminder system is provided, comprising:

an induction module configured on the diaper body for detecting urine and feces, the induction module is composed of a sensor, an NFC chip and an NFC antenna, and the NFC chip is respectively connected with the sensor and the NFC antenna;

a detection device with an NFC host and a short-range wireless communication module; and

Personal terminal with short-range wireless communication module.

In the above diaper replacement reminder system, preferably, the short-range wireless communication module includes a Bluetooth module.

In the above diaper replacement reminder system, preferably, the personal terminal includes a smart phone, a smart bracelet or a smart ring.

In the above diaper replacement reminder system, preferably, the sensor is an impedance sensor. More preferably, the impedance inductor includes first and second wires that are spaced apart.

Compared with the prior art, the present invention at least has the following beneficial effects:

Since there is only an induction module on the diaper, there is no Bluetooth module, battery and controller, so the cost and volume of the smart diaper are greatly reduced, which makes the smart diaper more suitable for commercialization, and can greatly reduce the need for paper diapers. The effect of diaper wearing comfort.

Description of drawings

Fig. 1 is a schematic diagram of a smart paper diaper;

Fig. 2 is the schematic diagram of the induction module;

Fig. 3 is the circuit block diagram of the induction module;

4 is a block diagram of a diaper replacement reminder system;

Reference numerals: 10, induction module; 11, sensor; 111, first wire; 112, second wire; 12, NFC chip; 13, NFC antenna; 20, detection device; 21, NFC host; 22, first A short-range wireless communication module; 30, a personal terminal; 31, a second short-range wireless communication module; 14, a flexible substrate; 40, a diaper body.

Detailed ways

The present invention aims to solve the defects of high cost of the existing smart paper diaper, resulting in incapability of commercial application, and large volume, which affects the comfort of use. A new smart diaper and a diaper replacement reminder system are proposed. The disposable diapers mentioned in this application generally refer to disposable diapers of various shapes such as sheet-shaped and pants-shaped. Since it is a one-time product and the replacement frequency is high, its cost must be low to be practical. At the same time, since the user needs to wear it for a long time, the impact of the added intelligent detection circuit on the comfort should be as small as possible.

The present invention will be further described below with reference to the accompanying drawings and embodiments.

Please refer to FIGS. 1 to 3 , the smart diaper is composed of a diaper body 40 and a sensing module 10 for detecting urine and feces, wherein the sensing module 10 is composed of a sensor 11 , an NFC chip 12 and an NFC antenna 13 , the NFC chip 12 is respectively connected with the sensor 11 and the NFC antenna 13 .

The sensor 11 is preferably an impedance sensor. When there is urine or stool on the diaper, the resistance value will change, and the resistance value will change with the change of the humidity of the diaper. Therefore, by sampling the output value of the impedance sensor , you can judge whether the diaper has urination or stool, and judge the humidity of the diaper. In this embodiment, the impedance sensor specifically adopts the first wire 111 and the second wire 112 arranged at intervals, and the first wire 111 and the second wire 112 are connected to the NFC chip 12. When the first wire 111 and the second wire 112 When there is urination or defecation in the diaper area between, the resistance value of this area will change, and the resistance value will change with the change of humidity, and the change will be transmitted to the NFC chip 12 . The use of two wires as the sensor 11 further reduces the cost on the one hand, and on the other hand, the use of sheet wires, such as copper foil, flexible circuit boards, etc., can further reduce the impact on the comfort of the diaper. .

Further in this embodiment, the sensor 11 , the NFC chip 12 and the NFC antenna 13 are arranged on a flexible substrate 14 , and the flexible substrate 14 is sandwiched between two layers of the diaper body 40 . between. The diaper body 40 usually includes multiple layers, preferably, the two layers of the diaper body 40 include surface layers close to the human body, so that the sensitivity of induction is better. The flexible substrate 14 that can be used includes, but is not limited to, a flexible circuit board, a cloth sheet, and a paper sheet. The NFC antenna 13 , the first wire 111 and the second wire 112 can be directly printed on the flexible substrate 14 , or can be formed on other substrates and then fixed to the flexible substrate 14 by sticking or the like. The manner in which the flexible substrate 14 is secured to the diaper body 40 is preferably, but not limited to, gluing, sewing, and the like.

Please refer to FIG. 4 , the diaper replacement reminder system includes: a sensor module 10 configured on the diaper body 40 for detecting urination and defecation, the sensor module 10 is composed of a sensor 11 , an NFC chip 12 and an NFC antenna 13 , The NFC chip 12 is respectively connected with the sensor 11 and the NFC antenna 13 ; a detection device 20 with an NFC host 21 and a short-range wireless communication module; and a personal terminal 30 with a short-range wireless communication module.

For convenience of description, the short-range wireless communication module in the detection device 20 is called the first short-range wireless communication module 22 , and the short-range wireless communication module in the personal terminal 30 is called the second short-range wireless communication module 31 .

The implementation of the sensing module 10 is the same as that of the previous embodiment.

The first short-range wireless communication module 22 and the second short-range wireless communication module 31 that can be used include, but are not limited to, a Bluetooth module and a WiFi module. It is preferred to be equipped with a Bluetooth module, or with a Bluetooth module and a WiFi module. The Bluetooth module can not only be used in an outdoor environment without a wireless local area network, but also has a one-way and broadcast system, which can support mobile App (Application, application) multi-channel In this way, one guardian can manage multiple guardians, which can be suitable for application environments such as baby rooms and nursing homes.

The personal terminal 30 is preferably a smart phone, a smart wristband or a smart finger ring. These personal terminals 30 are not only worn on the guardian for a long time, but also have various reminder modes such as sound, vibration, and display, which can reduce missed reminders.

The detection device 20 is preferably made into a structure such as a wristband, a finger ring, etc., so that it can be conveniently worn on the diaper user, and its power source 23 is preferably a rechargeable battery.

The usage method of the diaper replacement reminder system is as follows: the guardian wears a smart diaper, the detection device 20 is placed near the smart diaper, within 20 cm, and the guardian wears the personal terminal 30. On the one hand, the NFC host 21 in the detection device 20 provides a radio frequency field (RF-field), and the NFC antenna 13 on the diaper is located in the RF field, and communicates with the NFC host 21 in the near field to realize the monitoring of the diaper. On the one hand, the first short-range wireless communication module 22 in the detection device 20 and the second short-range wireless communication module 31 in the personal terminal 30 perform short-range wireless communication, and transmit the reminder signal to the personal terminal 30 . When the guardian defecates or urinates, the output of the sensor 11 changes. After the change signal is detected by the detection device 20, a reminder signal is sent to the personal terminal 30 through the first short-range wireless communication module 22, so as to achieve the purpose of reminding the guardian. . The reminder signal may be sound, vibration, text, and the like. Preferably, a variety of reminder signals are provided, which correspond to different output values of the sensor 11, so that the guardian can know the humidity of the diaper without checking, and judge whether the diaper needs to be replaced.

As can be seen from the above, in this application, there is no Bluetooth module, power supply and controller on the diaper, so the cost of the smart diaper can be effectively reduced, the volume of the smart diaper can be effectively reduced, and the comfort of using the diaper can be reduced. The degree of influence, and therefore, makes smart diapers more suitable for commercialization. It should be understood that the sensor in the present application can also be a sensor that can only sense urination.

The present invention has been described in detail above through specific embodiments. These detailed descriptions are only intended to help those skilled in the art to understand the content of the present invention, and should not be construed as limiting the protection scope of the present invention. Various modifications, equivalent transformations, etc. performed by those skilled in the art on the above solutions under the concept of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A smart paper diaper, characterized in that, the smart paper diaper is composed of a diaper body (40) and an induction module (10) for detecting urine and feces, and the induction module (10) is composed of a sensor (11) is composed of an NFC chip (12) and an NFC antenna (13), and the NFC chip (12) is respectively connected with the sensor (11) and the NFC antenna (13). 2. The smart diaper according to claim 1, wherein the sensor (11) is an impedance sensor. 3. The smart diaper according to claim 2, wherein the impedance sensor comprises a first wire (111) and a second wire (112) arranged at intervals. 4. The smart diaper according to claim 3, wherein the sensor (11), the NFC chip (12) and the NFC antenna (13) are arranged on a flexible substrate (14) , the flexible substrate (14) is sandwiched between two layers of the diaper body (40). 5. The smart diaper according to claim 4, wherein the two layers of the diaper body (40) comprise a surface layer close to the human body. 6. A diaper replacement reminder system, characterized in that, comprising: A sensing module (10) configured on the diaper body (40) for detecting urination and defecation, the sensing module (10) is composed of a sensor (11), an NFC chip (12) and an NFC antenna (13), the An NFC chip (12) is respectively connected with the sensor (11) and the NFC antenna (13); a detection device (20) having an NFC host (21) and a short-range wireless communication module; and A personal terminal (30) with a short-range wireless communication module. 7. The diaper replacement reminder system according to claim 6, wherein the short-range wireless communication module comprises a Bluetooth module. 8. The diaper replacement reminder system according to claim 7, wherein the personal terminal (30) comprises a smart phone, a smart bracelet or a smart finger ring. 9 . The diaper replacement reminder system according to claim 6 , wherein the sensor ( 11 ) is an impedance sensor. 10 . 10. The smart diaper according to claim 9, wherein the impedance sensor comprises a first wire (111) and a second wire (112) arranged at intervals.

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