WO2023164946A1

WO2023164946A1 - Electronic absorbent system and absorption sensing method therefor

Info

Publication number: WO2023164946A1
Application number: PCT/CN2022/079406
Authority: WO
Inventors: 黄竹熊; 林育德; 李承霖
Original assignee: 黄竹熊
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2023-09-07

Abstract

An electronic absorbent system and an absorption sensing method therefor. The electronic absorbent system comprises an absorbent object (11) and an electronic sensing apparatus (12). The absorbent object (11) comprises a water-absorbing layer (111), a waterproof layer (112), and a sensing electrode (113). The waterproof layer (112) is arranged on the water-absorbing layer (111). The sensing electrode (113) is formed on the waterproof layer (112) and comprises a first electrode portion (1131) and a second electrode portion (1132), wherein the first electrode portion (1131) and the second electrode portion (1132) are arranged spaced apart from each other. The electronic sensing apparatus (12) comes into contact with the sensing electrode (113), and then outputs an electrical signal. The electronic sensing apparatus (12) calculates impedance data of the water-absorbing layer (111) according to a voltage change in the electric signals that pass through the first electrode portion (1131) and the second electrode portion (1132), and generates humidity data according to the impedance data.

Description

Electronic moisture absorption system and moisture absorption sensing method thereof

technical field

The present application relates to an electronic moisture absorption system and its moisture absorption sensing method, in particular to an electronic moisture absorption system capable of measuring the water absorption of a hygroscopic object and its moisture absorption sensing method.

Background technique

For nursing homes or hospitals, incontinence care products, such as diapers, are frequently used. In order to ensure the health of residents or patients, diapers must be changed regularly. However, if the replacement is too frequent, the cost of incontinence products will be very high, which is difficult to bear.

In order to confirm whether the diapers need to be replaced, there are currently several methods besides manual confirmation. As shown in FIG. 11 , the conventional measuring method is to measure the capacitance value of the diaper 91 by means of a measuring device through the electrodes 93 arranged on the waterproof layer 92 of the diaper 91 . However, this measurement method has many inconveniences.

For example, the capacitance value of the diaper is very small, and the coverage of the electrode 93 is narrow. Therefore, how to measure accurately is a very difficult subject. For example, how to set the measurement duration of the designed circuit is a very difficult issue. If the measurement time is too long, the measurement result will be inaccurate. More importantly, since the capacitance value of diapers changes with the change of water absorption, how to accurately design the measurement time is a very difficult problem. Therefore, there is a need for an electronic moisture absorption system and its moisture absorption sensing method to improve the above known problems.

technical problem

In the prior art, how to measure the water absorption of diapers is difficult to measure accurately and difficult to design.

technical solution

The present application provides an electronic moisture absorption system and a moisture absorption sensing method thereof. The electronic moisture absorption system and its moisture absorption sensing method of the present application calculate the water absorption of the hygroscopic object by measuring the impedance of the hygroscopic object, and can be combined with the Internet of Things (IoT) and Big Data (Big Data) analysis to save Nursing manpower.

Based on the above purpose, the present application provides an electronic hygroscopic system, which includes a hygroscopic article and an electronic sensing device. The hygroscopic article includes a water-absorbing layer, a waterproof layer and a sensing electrode. The waterproof layer is arranged on the water-absorbing layer. The sensing electrode is formed on the waterproof layer and includes a first electrode part and a second electrode part. The first electrode portion and the second electrode portion are spaced apart from each other. After the electronic sensing device is in contact with the sensing electrode, it outputs an electrical signal. The electronic sensing device calculates the impedance data of the water-absorbing layer according to the voltage change of the electric signal passing through the first electrode part and the second electrode part, and generates humidity data according to the impedance data.

In an embodiment of the present application, the first electrode portion includes a first main electrode and a plurality of first branch electrodes, the second electrode portion includes a second main electrode and a plurality of second branch electrodes, and the first main electrode and the The second main electrodes are parallel to each other at intervals, a plurality of first branch electrodes extend from one side of the first main electrode to the second main electrode, and a plurality of second branch electrodes extend from one side of the second main electrode to the first main electrode, And each of the plurality of first branch electrodes and each of the plurality of second branch electrodes are arranged at intervals.

In an embodiment of the present application, the plurality of first branch electrodes are perpendicular to the first main electrode, and the plurality of second branch electrodes are perpendicular to the second main electrode.

In an embodiment of the present application, the electronic sensing device may include an arithmetic circuit and a peak detection circuit. The signal output terminal of the operation circuit is electrically connected with the water-absorbing layer and the voltage receiving terminal of the peak detection circuit. The voltage output terminal of the peak detection circuit is electrically connected with the signal input terminal of the operation circuit. The arithmetic circuit outputs electric signals. The peak detection circuit detects the peak voltage of the electrical signal. The calculation circuit generates impedance data of the water-absorbing layer according to the peak voltage calculation, and generates humidity data according to the impedance data.

In an embodiment of the present application, the operation circuit further includes a microprocessor and a first resistor, and the electronic moisture absorption system further includes a first amplifier and a second amplifier. The first end of the first resistor is electrically connected to the microprocessor, and the second end of the first resistor is electrically connected to the water-absorbing layer through the sensing electrode. The microprocessor outputs and receives electric signals, and the microprocessor calculates and generates impedance data according to the first voltage value of the first terminal and the second voltage value of the second terminal. The first positive input terminal of the first amplifier is electrically connected with the second terminal of the first resistor. The first output end of the first amplifier is electrically connected with the peak detection circuit and the first negative input end of the first amplifier. The second positive input terminal of the second amplifier is electrically connected with the peak detection circuit. The second output end of the second amplifier is electrically connected with the second negative input end of the second amplifier and the microprocessor.

In an embodiment of the present application, the electronic moisture absorption system further includes a first amplifier, a peak detection circuit, and a second amplifier. The first positive input end of the first amplifier is electrically connected to the second end of the first resistor, the first output end of the first amplifier is electrically connected to the peak detection circuit and the first negative input end of the first amplifier, and the second amplifier The second positive input end of the second amplifier is electrically connected with the peak detection circuit, and the second output end of the second amplifier is electrically connected with the second negative input end of the second amplifier and the microprocessor.

In one embodiment of the present application, the peak detection circuit includes a third amplifier, a diode, a capacitor, and a second resistor. One of the third positive input terminals of the third amplifier is electrically connected to the first output terminal. The third output end is electrically connected to one end of the diode, the third negative input end of the third amplifier is electrically connected to the other end of the diode, the second positive input end, one end of the capacitor and one end of the second resistor, The capacitor and the second resistor are connected in parallel, and the other end of the capacitor and the other end of the second resistor are grounded.

In an embodiment of the present application, the electrical signal is a square wave electrical signal, the sensing electrode includes conductive ink and silver ions, and the ratio of the area of the sensing electrode to the area of the waterproof layer is greater than 0.3.

In an embodiment of the present application, the electronic sensing device includes a communication unit, and the communication unit transmits the humidity data to the main control device.

Based on the above purpose, the present application further provides a moisture absorption sensing method of an electronic moisture absorption system, which includes the following steps:

The electronic sensing device is brought into contact with the sensing electrodes of the absorbent article.

An electrical signal is output by an electronic sensing device.

The electronic sensing device is used to sense the voltage change of the electrical signal according to the electrical signal passing through the sensing electrode, and calculate and generate the impedance data of the water-absorbing layer of the moisture-absorbing object.

The humidity data is generated by the electronic sensing device according to the impedance data.

To further illustrate, the hygroscopic article includes a water-absorbing layer, a waterproof layer and sensing electrodes, the waterproof layer is disposed on the water-absorbing layer, and the sensing electrodes are formed on the waterproof layer.

In an embodiment of the present application, the sensing electrode includes a first electrode portion and a second electrode portion, and the first electrode portion and the second electrode portion are arranged at intervals from each other. The electronic sensing device includes a microprocessor, a first resistor, a first amplifier, a second amplifier, a third amplifier, a diode, a capacitor and a second resistor. The first end of the first resistor is electrically connected to the microprocessor, the second end of the first resistor is electrically connected to the water-absorbing layer through the sensing electrode, the microprocessor outputs and receives electrical signals, and the microprocessor outputs and receives electrical signals according to the first end. The first voltage value and the second voltage value of the second terminal are calculated to generate impedance data. The first positive input end of the first amplifier is electrically connected to the second end of the first resistor, the second positive input end of the second amplifier is electrically connected to the peak detection circuit, and the second output end of the second amplifier It is electrically connected with the second negative input terminal of the second amplifier and the microprocessor, the third positive input terminal of the third amplifier is electrically connected with the first output terminal of the first amplifier, and the third output terminal of the third amplifier is connected with the two One end of the polar body is electrically connected, the third negative input end of the third amplifier is electrically connected with the other end of the diode, the second positive input end of the second amplifier, one end of the capacitor and one end of the second resistor. The capacitor and the second resistor are connected in parallel, and the other end of the capacitor and the other end of the second resistor are grounded.

Beneficial effect

The electronic moisture absorption system and its moisture absorption sensing method of the present application calculate the water absorption of the hygroscopic object by measuring the impedance of the hygroscopic object, and can be combined with the Internet of Things (IoT) and Big Data (Big Data) analysis to save Nursing manpower.

Description of drawings

Figure 1 is a first schematic view of an absorbent article according to an embodiment of the present application.

Figure 2 is a second schematic view of an absorbent article according to an embodiment of the present application.

Figure 3 is a third schematic view of an absorbent article according to an embodiment of the present application.

Fig. 4 is a first schematic diagram of an electronic moisture absorption system according to an embodiment of the present application.

Fig. 5 is a second schematic diagram of an electronic moisture absorption system according to an embodiment of the present application.

Fig. 6 is a third schematic diagram of an electronic moisture absorption system according to an embodiment of the present application.

FIG. 7 is a first schematic diagram of sensing electrodes according to an embodiment of the present application.

FIG. 8 is a second schematic diagram of sensing electrodes according to an embodiment of the present application.

FIG. 9 is a schematic circuit diagram of an electronic sensing device according to an embodiment of the present application.

FIG. 10 is a schematic circuit diagram of an electronic sensing device according to an embodiment of the present application.

Fig. 11 is a schematic diagram of an electronic diaper in the prior art.

BEST MODE FOR CARRYING OUT THE INVENTION

In order to understand the technical features, content and advantages of this application and the effects it can achieve, this application is hereby combined with the accompanying drawings and described in detail in the form of embodiments as follows, and the purposes of the drawings used therein are only The purpose of illustration and auxiliary explanation is not necessarily the true proportion and precise configuration of this application after implementation, so the scale and configuration relationship of the attached drawings should not be interpreted or limited to the scope of rights of this application in actual implementation. bright.

The following will describe embodiments of the power tool and its safety control circuit module according to the present application with reference to related drawings. For ease of understanding, the same components in the following embodiments are described with the same symbols.

Please refer to Fig. 1 to Fig. 6 together, which are respectively the first to third schematic diagrams of the hygroscopic article and the first to third schematic diagrams of the electronic moisture absorption system according to the embodiment of the present application.

The electronic hygroscopic system of the present application includes a hygroscopic article 11 and an electronic sensing device 12 . To further illustrate, as shown in FIG. 1 and FIG. 2 , the absorbent article 11 can be a water-absorbable article such as a diaper or a nursing pad.

To further illustrate, as shown in FIG. 3 , the hygroscopic article 11 may include a water-absorbing layer 111 , a waterproof layer 112 and a sensing electrode 113 . The water-absorbing layer 111 may include non-woven fabrics, absorbers, etc. to absorb liquids such as urine. The waterproof layer 112 can be made of soft waterproof material, such as plastics, rubber and the like. The waterproof layer 112 may be disposed on the water-absorbing layer 111 . The sensing electrode 113 may be formed on the waterproof layer 112 .

In one embodiment, the sensing electrodes 113 may include conductive ink and be formed on the waterproof layer 112 by spraying. In other words, the conductive ink may penetrate into the waterproof layer 112 and contact the water-absorbing layer 111 .

In another embodiment, the sensing electrode 113 may further include silver ions in addition to the conductive ink. Therefore, the sensing electrode 113 of the present application also has a bactericidal or antibacterial effect, which can reduce the chance of bacterial infection.

In one embodiment, the ratio of the area of the sensing electrode 113 to the area of the waterproof layer 112 is greater than 0.3. In a preferred embodiment, the ratio of the area of the sensing electrode 113 to the area of the waterproof layer 112 is greater than 0.66. Therefore, when the absorbent article 11 is wetted by urine, due to the area of the sensing electrode 113 on the waterproof layer 112 sufficient, and it is easy to detect the electrical change of the water-absorbing layer 111 .

In one embodiment, as shown in FIGS. 4 to 6 , when it is necessary to detect the humidity of the absorbent article 11 , the electronic sensing device 12 can be brought into contact with the sensing electrode 113 . The electronic sensing device 12 can output electrical signals, and calculate and generate impedance data of the water-absorbing layer 111 according to voltage changes of the electrical signals passing through the first electrode part 1131 and the second electrode part 1132 and generate humidity data according to the impedance data.

In one embodiment, as shown in FIG. 4 and FIG. 5 , the electronic sensing device 12 can sense the electrode 113 in contact with the first sensing electrode 131 and the second sensing electrode 132, and the electronic sensing device 12 can include a clip The holding portion 133 is provided so that the electronic sensing device 12 can be fixed on the absorbent article 11.

In one embodiment, as shown in FIG. 6 , the electronic sensing device 12 may include a communication unit 130 . The communication unit 130 can be a Bluetooth communication unit 130 or a wireless network (wireless fidelity, Wi-Fi) communication unit 130. When the electronic sensing device 12 calculates and generates the impedance data of the water-absorbing layer 111 and generates humidity data according to the impedance data, The communication unit 130 can transmit the humidity data to the main control device 13 wirelessly, but not limited thereto.

For example, in other embodiments, after the electronic sensing device 12 calculates and generates the humidity data, the electronic sensing device 12 and the main control device 13 can also be wired to send the humidity data to the main control device 13 .

In one embodiment, the main control device 13 can be a computing device such as a computer, a workstation, or a cloud computing device that can receive multiple pieces of humidity data from the electronic sensing device 12 . In a preferred embodiment, the main control device 13 can be a computing device with the ThingsBoard Internet of Things platform, and the main control device 13 can collect and visualize the data of the Internet of Things devices. Therefore, for nursing homes and hospitals, for example, the main control device 13 and the electronic sensing device 12 can be used to know whether the patient or the resident needs to change their diapers, which can reduce the errors that may be caused by human management, and can use these The data is processed by big data analysis to analyze the physical condition of each patient or resident.

In one embodiment, as shown in FIG. 7 and FIG. 8 , the sensing electrode 113 includes a first electrode portion 1131 and a second electrode portion 1132 , and the first electrode portion 1131 and the second electrode portion 1132 are spaced apart from each other. The first electrode portion 1131 may include a first main electrode 11311 and a plurality of first branch electrodes 11312 . The second electrode part 1132 may include a second main electrode 11321 and a plurality of second branch electrodes 11322 . The first main electrode 11311 and the second main electrode 11321 are spaced apart and parallel to each other. A plurality of first branch electrodes 11312 extend from one side of the first main electrode 11311 to the second main electrode 11321 . A plurality of second branch electrodes 11322 extend from one side of the second main electrode 11321 to the first main electrode 11311 , and each of the plurality of first branch electrodes 11312 and each of the plurality of second branch electrodes 11322 are arranged at intervals.

In addition, in one embodiment, a plurality of first branch electrodes 11312 are perpendicular to the first main electrode 11311 , and a plurality of second branch electrodes 11322 are perpendicular to the second main electrode 11321 .

That is to say, through the arrangement of the above-mentioned first electrode part 1131 and second electrode part 1132, the sensing electrode 113 of the present application can sense whether the absorbent article 11 is wet in a wide range, such as wetted by urine. But the present application is not limited thereto, and the sensing electrodes 113 may also have different shapes or shapes. In other words, even if the configuration, geometric structure, shape, size, etc. Principles, and those with sensing impedance changes should fall within the protection scope of the present invention.

In this application, the sensing electrode 113 can be regarded as a wire for impedance measurement, and the humidity absorbed by the water-absorbing layer 111 between the first electrode part 1131 and the second electrode part 1132 will change the first electrode part 1131 and the second electrode part 1132 The impedance value in the gap.

Therefore, in another embodiment, the distances between the plurality of first branch electrodes 11312 and the plurality of second branch electrodes 11322 can be arranged in configurations of different widths and narrownesses according to the condition requirements of the humidity to be measured. In addition, the actual geometric shape of the sensing electrodes 113 can also be optimally configured according to the spatial characteristics and shape characteristics of the environment to be measured, such as calculating the characteristic length.

As shown in FIG. 9 , in an embodiment, the electronic sensing device 12 may include an arithmetic circuit 120 and a peak detection circuit 124 . The signal output terminal of the computing circuit 120 can be electrically connected with the water-absorbing layer 111 and the peak detection circuit 124 . The voltage output terminal of the peak detection circuit 124 is electrically connected to the signal input terminal of the operation circuit 120 . The arithmetic circuit 120 can output the electrical signal, and the peak detection circuit 124 can detect the peak voltage of the electrical signal. The computing circuit 120 can then calculate the impedance data of the water-absorbing layer 111 according to the peak voltage, and generate humidity data according to the impedance data, so as to determine the degree of humidity of the water-absorbing layer 111 .

In one embodiment, as shown in FIG. 10 , the computing circuit 120 may include a microprocessor 121 and a first resistor 122 . A first end of the first resistor 122 is electrically connected to the microprocessor 121 , and a second end of the first resistor 122 is electrically connected to the water-absorbing layer 111 through the sensing electrode 113 . The microprocessor 121 can output and receive electrical signals, and the microprocessor 121 can calculate and generate impedance data according to the first voltage value Vin of the first terminal and the second voltage value Vo of the second terminal.

In one embodiment, the resistance R of the first resistor 122 is between 50KΩ to 500KΩ, for example, 64.9KΩ. The impedance value Zload of the water-absorbing layer 111 can range from 20KΩ to 800KΩ, or even higher than 800KΩ, depending on the degree of humidity. By measuring the relationship between the first voltage value Vin and the second voltage value Vo, it can be obtained that

Thereby, according to the relationship between the first voltage value Vin and the second voltage value Vo, the resistance value Zload of the water-absorbing layer 111 is obtained.

In other words, when the impedance value Zload of the water-absorbing layer 111 increases with the amount of water absorbed, the second voltage value Vo will change. For example, if the maximum water-absorbed amount of the water-absorbed layer 111 is 200ml, when the water-absorbed amount increases from 0ml to 200ml, The impedance value Zload will increase from 20KΩ to 800KΩ.

To further illustrate, the electronic sensing device 12 may further include a first amplifier 123 , a peak detection circuit 124 and a second amplifier 125 . The first positive input end of the first amplifier 123 is electrically connected to the second end of the first resistor 122, and the first output end of the first amplifier 123 is electrically connected to the peak detection circuit 124 and the first negative input end of the first amplifier 123. connect.

The second positive input terminal of the second amplifier 125 is electrically connected to the peak detection circuit 124 , and the second output terminal of the second amplifier 125 is electrically connected to the second negative input terminal of the second amplifier 125 and the microprocessor 121 .

The peak detection circuit 124 includes a third amplifier 126 , a diode 127 , a capacitor 128 and a second resistor 129 . The third positive input end of the third amplifier 126 is electrically connected to the first output end, the third output end of the third amplifier 126 is electrically connected to one end of the diode 127, and the third negative input end of the third amplifier 126 is electrically connected to the first output end. The other end of the diode 127 , the second positive input end, one end of the capacitor 128 and one end of the second resistor 129 are electrically connected. The capacitor 128 and the second resistor 129 are connected in parallel, and the other end of the capacitor 128 and the other end of the second resistor 129 are grounded.

To further illustrate, the first positive input terminal, the second positive input terminal and the third positive input terminal are the input terminals of the first amplifier 123, the second amplifier 125, and the third amplifier 126 marked with a "+" sign; the first negative input terminal , the second negative input terminal and the third negative input terminal are the input terminals of the first amplifier 123, the second amplifier 125, and the third amplifier 126 marked with a "-" symbol.

In one embodiment, the electrical signal can be a square wave electrical signal, and the frequency of the square wave electrical signal can be adjusted. For example, the frequency of the square wave electrical signal can be adjusted by the microprocessor 121 . To further illustrate, the frequency of the square wave electric signal can be between 1KHz and 100KHz. In a preferred embodiment, the frequency of the square wave electric signal can be between 1KHz and 50KHz, and the frequency of the square wave electric signal can be controlled by the microprocessor 121 according to the characteristics of the hygroscopic article 11, for example, according to the difference in the label of the hygroscopic article 11. Frequency, to measure impedance at different frequencies to achieve more accurate humidity identification.

In one embodiment, the part formed by the third amplifier 126 and the diode 127 can be regarded as a super diode, and this circuit structure can be used to detect the peak voltage of the electrical signal.

In addition, the electrical signal output by the microprocessor 121 of the present application may be direct current or alternating current. For example, if the electrical signal is a square wave electrical signal, the square wave electrical signal can be converted into alternating current through a band-pass filter (Band-pass filter) and various appropriate circuits, and then received by the microprocessor 121 .

In one embodiment, the microprocessor 121 may include a signal output terminal and an Analog-to-Digital (A/D) receiving terminal for outputting and receiving the aforementioned electrical signals.

The above microprocessor 121, first amplifier 123, second amplifier 125, third amplifier 126 and other configurations are only one embodiment of the circuit configuration of the electronic sensing device 12. For example, any circuit structure similar to the present invention that can detect the impedance value can be used. Should be within the protection scope of this application.

The present application further provides a moisture absorption sensing method of an electronic moisture absorption system, which includes the following steps:

S101 : Contact the electronic sensing device 12 with the sensing electrode 113 of the hygroscopic article 11 . For example, in one embodiment, the electronic sensing device 12 is fixed on the absorbent article 11 with the clamping portion 133, so that the electronic sensing device 12 can sense the electrodes 113 and the first sensing electrodes 131 and the second sensing electrodes 132. touch.

S102: Output a telecommunication with the electronic sensing device 12 . For example, in one embodiment, a square wave electrical signal with a frequency ranging from 1 KHz to 50 KHz is output.

S103 : Use the electronic sensing device 12 to sense the voltage change of the electrical signal according to the electrical signal passing through the sensing electrode 113 , and calculate and generate impedance data of the water-absorbing layer 111 of the hygroscopic article 11 .

S103: Using the electronic sensing device 12 to generate humidity data according to the impedance data.

In one embodiment, after the humidity data is generated through the above steps, the communication unit 130 of the electronic sensing device 12 can be used to transmit the humidity data to the main control device 13 .

To sum up, the electronic moisture absorption system and its moisture absorption sensing method of the present application calculate the water absorption capacity of the hygroscopic object by measuring the impedance of the hygroscopic object, and can combine the Internet of Things and big data analysis to save manpower for nursing care. In addition, under the framework of the electronic hygroscopic system of the present application, for different types of hygroscopic articles, such as diapers and nursing pads with different absorption capacities, the first resistor can be changed according to the impedance value of the hygroscopic articles, and the value of the first resistor can be changed according to the demand. The frequency of the electrical signal has reached the best measurement effect.

The above descriptions are illustrative only, not restrictive. Any equivalent amendments or changes that do not deviate from the spirit and scope of this application shall be included in the scope of the appended patent application.

Claims

An electronic moisture absorption system comprising:

Hygroscopic articles, including:

absorbent layer;

a waterproof layer disposed on the water-absorbing layer; and

The sensing electrode is formed on the waterproof layer and includes a first electrode part and a second electrode part, and the first electrode part and the second electrode part are spaced apart from each other; and

The electronic sensing device outputs an electrical signal after being in contact with the sensing electrode,

Wherein, the electronic sensing device calculates and generates impedance data of the water-absorbing layer according to the voltage change of the electrical signal passing through the first electrode part and the second electrode part, and generates humidity according to the impedance data. material.
The electronic moisture absorption system according to claim 1, wherein the first electrode part comprises a first main electrode and a plurality of first branch electrodes, and the second electrode part comprises a second main electrode and a plurality of second branch electrodes , the first main electrode and the second main electrode are spaced apart and parallel to each other.
The electronic hygroscopic system according to claim 2, wherein the plurality of first branch electrodes extend from one side of the first main electrode to the second main electrode, and the plurality of second branch electrodes extend from one side of the first main electrode. One side of the second main electrode extends toward the first main electrode.
The electronic moisture absorption system according to claim 3, wherein each of the plurality of first branch electrodes and each of the plurality of second branch electrodes are arranged at intervals.
The electronic moisture absorption system according to claim 4, wherein the plurality of first branch electrodes are perpendicular to the first main electrode, and the plurality of second branch electrodes are perpendicular to the second main electrode.
The electronic moisture absorption system according to claim 1, wherein the electronic sensing device comprises an operation circuit and a peak detection circuit, the signal output end of the operation circuit is connected to the voltage receiving end of the water absorption layer and the peak detection circuit electrical connection.
The electronic moisture absorption system according to claim 6, wherein the voltage output terminal of the peak detection circuit is electrically connected to the signal input terminal of the operation circuit, the operation circuit outputs the electrical signal, and the peak detection circuit The peak voltage of the electric signal is detected, and the calculation circuit calculates and generates the impedance data of the water-absorbing layer according to the peak voltage, and generates the humidity data according to the impedance data.
The electronic hygroscopic system according to claim 7, wherein the computing circuit further comprises a microprocessor and a first resistor, the first end of the first resistor is electrically connected to the microprocessor, and the first The second end of the resistor is electrically connected to the water-absorbing layer through the sensing electrode, the microprocessor outputs and receives the electrical signal, and the microprocessor is based on the first voltage value of the first end and The second voltage value of the second terminal is calculated to generate the impedance data.
The electronic moisture absorption system according to claim 8, wherein the electronic moisture absorption system comprises a first amplifier, a first positive input terminal of the first amplifier is electrically connected to the second terminal of the first resistor, The first output terminal of the first amplifier is electrically connected with the peak detection circuit and the first negative input terminal of the first amplifier.
The electronic moisture absorption system according to claim 9, wherein the electronic moisture absorption system comprises a second amplifier, the second positive input terminal of the second amplifier is electrically connected to the peak detection circuit, and the second amplifier The second output end is electrically connected with the second negative input end of the second amplifier and the microprocessor.
The electronic moisture absorption system according to claim 10, wherein the peak detection circuit comprises a third amplifier, a diode, a capacitor and a second resistor, the third positive input terminal of the third amplifier is connected to the first output Terminals are electrically connected, the third output terminal of the third amplifier is electrically connected to one terminal of the diode, the third negative input terminal of the third amplifier is connected to the other terminal of the diode, the The second positive input terminal, one terminal of the capacitor and one terminal of the second resistor are electrically connected, the capacitor and the second resistor are connected in parallel, and the other terminal of the capacitor and the other terminal of the second resistor are grounded .
The electronic moisture absorption system according to claim 1, wherein the electrical signal is a square wave electrical signal, the sensing electrode includes conductive ink and silver ions, and the ratio of the area of the sensing electrode to the area of the waterproof layer Greater than 0.3.
The electronic moisture absorption system according to claim 1, wherein the electronic sensing device includes a communication unit, and the communication unit transmits the humidity data to a main control device.
A moisture absorption sensing method for an electronic moisture absorption system, comprising:

contacting the electronic sensing means with the sensing electrodes of the absorbent article;

outputting an electrical signal with the electronic sensing device;

Using the electronic sensing device to sense the voltage change of the electrical signal according to the electrical signal passing through the sensing electrode, and calculate and generate the impedance data of the water-absorbing layer of the hygroscopic article; and

using the electronic sensing device to generate humidity data according to the impedance data;

Wherein, the hygroscopic article includes the water-absorbing layer, a waterproof layer and the sensing electrodes, the waterproof layer is arranged on the water-absorbing layer, and the sensing electrodes are formed on the waterproof layer.
The moisture absorption sensing method of the electronic moisture absorption system according to claim 14, wherein the sensing electrode comprises a first electrode part and a second electrode part, and the first electrode part and the second electrode part are arranged at intervals from each other .
The moisture absorption sensing method of the electronic moisture absorption system according to claim 15, wherein the electronic sensing device includes a microprocessor and a first resistor; the first end of the first resistor is electrically connected to the microprocessor connected, the second end of the first resistor is electrically connected to the water-absorbing layer through the sensing electrode, the microprocessor outputs and receives the electrical signal, and the microprocessor outputs and receives the electrical signal according to the first end The first voltage value and the second voltage value of the second terminal are calculated to generate the impedance data.
The moisture absorption sensing method of the electronic moisture absorption system according to claim 16, wherein the electronic sensing device comprises a first amplifier, and the first positive input terminal of the first amplifier is connected to the first positive input terminal of the first resistor. The two terminals are electrically connected.
The moisture absorption sensing method of the electronic moisture absorption system according to claim 17, wherein the electronic sensing device comprises a second amplifier, the second positive input terminal of the second amplifier is electrically connected to the peak detection circuit, The second output terminal of the second amplifier is electrically connected with the second negative input terminal of the second amplifier and the microprocessor.
The moisture absorption sensing method of the electronic moisture absorption system according to claim 18, wherein the electronic sensing device comprises a third amplifier, the third positive input terminal of the third amplifier is connected to the first output of the first amplifier terminal electrical connection.
The moisture absorption sensing method of the electronic moisture absorption system according to claim 19, wherein the electronic sensing device has a diode, a capacitor, and a second resistor, and the third output terminal of the third amplifier is connected to the diode One end is electrically connected, the third negative input end of the third amplifier is connected to the other end of the diode, the second positive input end of the second amplifier, one end of the capacitor and the second resistor One end is electrically connected, the capacitor and the second resistor are connected in parallel, and the other end of the capacitor and the other end of the second resistor are grounded.