TWI654420B - Absorbent-type moisture sensing module and moisture sensing sticker thaving the same - Google Patents

Abstract

A moisture absorption type humidity sensing module and a humidity sensing sticker having the same, the moisture absorption type humidity sensing module comprises: a conductive silver glue layer, a protective layer and a humidity sensing material. The conductive silver adhesive layer comprises two conductive segments, and a first gap is formed between the two conductive segments; the protective layer covers the conductive silver adhesive layer and is provided with a second notch, and the first and second notches communicate with each other to form a moisture absorption hole. The humidity sensing material which is hygroscopic and can be exposed to moisture to be electrically conductive is filled into the moisture absorption hole; when the humidity sensing material absorbs moisture through the moisture absorption hole, the two conductive segments can pass through the moisture-absorbing humidity sensing material And turned on. The humidity sensing sticker includes: a water-absorbing carrier layer and a plurality of moisture-absorbing humidity sensing modules. Thereby, the effect that the humidity sensing result tends to conform to the reality can be achieved.

Description

Hygroscopic humidity sensing module and humidity sensing sticker with the same

The invention relates to humidity sensing, in particular to a moisture absorption type humidity sensing module and a humidity sensing sticker having the same.

Regarding humidity sensing, it can be applied to any place where humidity is required, such as raincoats, diapers, or if there is any leak or rain.

Although the existing humidity sensor can have the effect of humidity sensing, the humidity sensor is basically inconsistent with the actual situation. It is often detected after it has been flooded, and it has been criticized for a long time.

Therefore, how to design a invention which can improve the above-mentioned defects is a major problem that the inventors of the present invention are trying to solve.

The object of the present invention is to provide a moisture absorption type humidity sensing module and a humidity sensing sticker having the same, which can be actively absorbed by a humidity sensing material and turned on after moisture absorption, so that the humidity sensing result tends to conform to the actual situation. .

In order to achieve the above object, the present invention provides an absorbent moisture sensing module comprising: a conductive silver paste layer comprising two conductive segments spaced apart from each other, a first gap formed between the two conductive segments; a protective layer, Covering the conductive silver adhesive layer and opening a second gap, the second gap is connected Forming a moisture absorbing hole together with the first notch; and a humidity sensing material having hygroscopicity and being capable of being wet to generate electrical conductivity, wherein the humidity sensing material is filled in the moisture absorbing hole; wherein the moisture sensing material is passed through When the moisture absorbing hole absorbs moisture, the two conductive segments can be electrically connected via the moisture absorbing material that has been absorbed.

The invention further provides a humidity sensing sticker with a moisture absorption type humidity sensing module, comprising: a water absorption carrier layer and a plurality of moisture absorption type humidity sensing modules.

The water absorbing carrier layer has a front surface; the plurality of moisture absorbing humidity sensing modules are disposed side by side on the front side, and each of the moisture absorbing moisture sensing modules comprises: a conductive silver glue layer laminated on the front surface And a first conductive gap is formed between the two conductive segments, the first gap is connected to the water-absorbing carrier layer; a protective layer covers the conductive silver adhesive layer and defines a second gap. The second gap is connected to the first notch to form a moisture absorption hole together; and a humidity sensing material is hygroscopic and can be wet to generate conductivity, and the humidity sensing material is filled into the moisture absorption hole; When the humidity sensing material of each of the moisture absorbing humidity sensing modules absorbs moisture through the moisture absorbing hole, the two conductive segments of the conductive silver rubber layer can be electrically connected via the moisture absorbing moisture sensing material. .

Compared with the prior art, the present invention has the effect of making the humidity sensing result tend to conform to the actual situation, so as to avoid, for example, the situation that has been induced by flooding.

100, 100a‧‧‧ humidity sensor sticker

1‧‧‧Water-absorbing carrier layer

11‧‧‧ positive

12‧‧‧ Back

2‧‧‧ Conductive silver glue layer

21‧‧‧Electrical section

211‧‧‧ first gap

22‧‧‧Connecting Department

3‧‧‧Protective layer

3a‧‧‧Insulating resin layer

3b‧‧‧carbon layer

31‧‧‧ second gap

4‧‧‧Humidity sensing materials

41‧‧‧ Filling Department

42‧‧‧ Inter-section

5‧‧‧Adhesive layer

51‧‧‧ third gap

6‧‧‧Separate sheet layer

7‧‧‧ Receiver

A1~A5‧‧‧first to fifth large area sensing area

S‧‧‧ Wet hole

T1, T2‧‧‧hygroscopic humidity sensing module

1 is a plan perspective view of a first embodiment of a humidity sensing sticker of the present invention.

2 is a cross-sectional view of a moisture-sensitive humidity sensing module according to a first embodiment of the humidity sensing sticker of the present invention.

3 is a plan view of the present invention in a plan view according to FIG. 1, in which the protective layer is omitted.

Figure 4 is a partial enlarged view of the present invention in accordance with Figure 3.

Figure 5 is a plan perspective view of the first embodiment of the humidity sensing sticker of the present invention with a receiver attached thereto.

Fig. 6 is a plan view showing a second embodiment of the humidity sensing sticker of the present invention in a plan view, in which the protective layer is omitted.

7 is a cross-sectional view of a moisture-sensitive humidity sensing module according to a third embodiment of the humidity sensing sticker of the present invention.

Figure 8 is a partial enlarged view of a fourth embodiment of the humidity sensing sticker of the present invention.

Figure 9 is a partial enlarged view of a fifth embodiment of the humidity sensing sticker of the present invention.

The detailed description and technical content of the present invention are set forth below with reference to the accompanying drawings.

The invention provides a moisture absorption type humidity sensing module and a moisture absorption type humidity sensing sticker, as shown in FIG. 1 to FIG. 5, which is a first embodiment of the humidity sensing sticker of the present invention, as shown in FIG. 6, FIG. 7, FIG. 8 and Figure 9 shows the second, third, fourth and fifth embodiments of the humidity sensing sticker of the present invention, respectively.

As shown in FIG. 1 to FIG. 5, the first embodiment of the humidity sensing sticker 100 of the present invention comprises: a water absorbing carrier layer 1 and a plurality of moisture absorbing humidity sensing modules T1. The water absorbing carrier layer 1 has a front surface 11 and a back surface 12 opposite to each other, and each of the moisture absorbing humidity sensing modules T1 is disposed side by side to the front surface 11 of the water absorbing carrier layer 1.

The moisture absorption type humidity sensing module T1 comprises a conductive silver glue layer 2, a protective layer 3 and a humidity sensing material 4, which are described below.

The conductive silver paste layer 2 includes two (or a pair of) conductive segments 21 spaced apart from each other to form a first gap 211 between the two conductive segments 21, so that the first conductive segments 21 of the conductive silver paste layer 2 are first The notches 211 are separated from each other and are temporarily incapable of being turned on.

The protective layer 3 covers the conductive silver paste layer 2 and defines a second notch 31, and the second notch 31 communicates with the first notch 211 to form a moisture absorbing hole S, and the second notch 31 is linearly connected to the first A gap 211. Preferably, the protective layer 3 may include an insulating resin layer 3a and a conductive carbon layer 3b, and the carbon adhesive layer 3b is sandwiched between the insulating resin layer 3a and the conductive silver paste layer 2, and The carbon glue layer 3b is covered on the conductive silver glue layer 2. The protective layer 3 is used to protect the conductive silver paste layer 2 and has an insulating effect.

The humidity sensing material 4 is correspondingly filled into the moisture absorption hole S, so that the humidity sensing material 4 is connected between the two conductive segments 21 and the second notch 31 is connected to the carbon glue layer 3b. Turn on, explain the following paragraph. The height of the humidity sensing material 4 is preferably higher than or equal to the carbon adhesive layer 3b and lower than the insulating resin layer 3a (as shown in FIG. 2) to form a fracture on the outer surface of the protective layer 3.

The humidity sensing material 4 is a material which can undergo chemical changes in the presence of moisture and produces an excellent conductive material. In this embodiment, a hydrophilic polymer containing at least one polar or charged functional group is taken as an example to describe the humidity sensing. Material 4 has active hygroscopicity. The polymer main or side chains often contain hydrophilic functional groups, such as CONH2 -, - OH, -CONH, -COOH, -SO 3 H, -NH 2. For example, acrylics include acrylic acid, acrylamide, polyethylene, and the like, and copolymers modified or formed by copolymerization of the above polymer precursors with each other. Amine functional polymers include allylamine, ethyleneimine, enol, and other polymers containing an amine group in their backbone or side chain.

Thereby, when the moisture absorption type humidity sensing module T1 encounters a liquid (not shown), the humidity sensing material 4 absorbs the liquid through the moisture absorption hole S to actively absorb moisture, and chemically changes and generates after moisture absorption. An excellent conductive material, which in turn is electrically connected between the two conductive segments 21 and turns on the carbon glue layer 3b to make the conductive conductive The silver glue layer 2 forms a conduction loop. At this time, if a receiver 7 is electrically connected between the two conductive segments 21 of the conduction loop (as shown in FIG. 5), the receiver 7 will be turned on to emit sound, light or emit sound and light. Alerts or warning signals, and even wireless transmission to, for example, smart mobile phones for notification and warning.

As for the first embodiment of the humidity sensing sticker 100 of the present invention having the moisture-absorbing humidity sensing module T1, the water-absorbing carrier layer 1 and the plurality of moisture-absorbing humidity sensing modules T1 are preferably included as described above, and preferably include an adhesive. Layer 5 and a release sheet layer 6. Moreover, the present invention does not limit the shape of the humidity sensing sticker 100. In the present embodiment, a straight strip shape (see FIG. 1 or FIG. 3) will be described as an example.

The water absorbing carrier layer 1 can be any article having water absorbing properties and used to carry other structural layers. In the present embodiment, the ash fiber absorbent paper is taken as an example for description.

The conductive silver paste layers 2 of the moisture absorbing moisture sensing modules T1 are stacked one on another on the front surface 11 of the water absorbing carrier layer 1 and the first notches 211 are communicated with the water absorbing carrier layer 1. It must be noted (as shown in Figures 1 and 3): the so-called two-conducting segment 21, except that the conductive silver-clad layer 2 itself presents the two-conducting segment 21 in the main line (or trunk) type, and of course can also be in the branch line type. In the present embodiment, the two conductive segments 21 are not limited. In the present embodiment, the main wire and the branch wires are mixed and used as an example, and the conductive silver rubber layer 2 can also include several pairs of conductive segments as shown. twenty one.

The protective layer 3 is disposed on the conductive silver layer 2 of the moisture absorbing moisture sensing module T1, and corresponding to the first notch 211 of each moisture absorbing humidity sensing module T1 is provided with a corresponding number of second notches 31, and further A plurality of moisture absorbing holes S are formed together.

The humidity sensing material 4 is correspondingly filled into the moisture absorption holes S of the moisture absorption type humidity sensing modules T1 and connected between the pair of conductive segments 21, respectively.

The adhesive layer 5 is disposed on the back surface 12 of the water-absorbing carrier layer 1, so that the humidity-sensing sticker 100 can be attached and adhered to any place where humidity is required. For example, it can be attached, adhered to a raincoat, a diaper, or whether or not There are leaks or leaks. Preferably, the adhesive layer 5 is further provided with a plurality of third notches 51, and each of the third notches 51 and the first notches 211 respectively correspond to each other via the water-absorbing carrier layer 1 so as to The liquid on the back surface 12 of the water absorbing carrier layer 1 can be adsorbed by the humidity sensing material 4 via the third notch 51 and the water absorbing carrier layer 1 to absorb moisture, in other words, the humidity sensing material 4 can pass through the water absorbing carrier layer 1 The three notches 51 absorb moisture. In addition, the adhesive layer 5 can be any adhesive material. In the present embodiment, the water gel is taken as an example for description.

The release sheet layer 6 is detachably attached and adhered to the bottom surface of the adhesive layer 5, and the release sheet layer 6 is peeled off when the humidity sensing sticker 100 of the present invention is to be adhered. In addition, the release sheet layer 6 can be provided with the third notch 51 (as shown) together with the adhesive layer 5, and no gap (not shown) can be formed.

In addition, the conductive silver paste layer 2 can be in various shapes. In the present embodiment, the designed pattern layer (not labeled with the component symbol) is taken as an example, and any one of the pattern layers is spaced apart from each other and respectively A large area of sensing area is formed, and the ends are gathered to form a connecting portion 22 (see FIG. 1) to facilitate electrical connection to the aforementioned receiver 7 as shown in FIG. For example, as shown in FIG. 1 and FIG. 3, a plurality of first large-area sensing areas A1 and a second large area may be gathered around the main sensing part (in the case of a diaper, which refers to a part corresponding to a human urination organ). The sensing area A2 is surrounded by a circular fifth large-area sensing area A5, and the detailed shapes of the first and second large-area sensing areas A1 and A2 are elongated strip-shaped convex shapes which are alternately staggered with each other. As for the fifth large area sensing area A5, it is a combination of a circle and a multi-astronomical star; it can also be separated from each other by another main sensing part (in the case of a diaper, which refers to a part corresponding to the human body). The staggered swirls form a fourth large area sensing area A4; and a third large area sensing area A3 is formed between the two main sensing points.

Therefore, the present invention can provide a warning according to the conduction of each area by including a plurality of large-area sensing areas (first to fifth large-area sensing areas A1 to A5), thereby making the user or the notified person clear. Know the extent of the wet or the degree of wetness.

FIG. 6 is a second embodiment of the moisture-absorbing humidity sensing module T1 of the present invention and the humidity sensing sticker 100 having the module T1. The second embodiment is substantially the same as the first embodiment described above, and the difference is only in The overall shape is changed from the straight strip shape of the first embodiment to the L-shaped transition shape of the second embodiment.

FIG. 7 is a third embodiment of the moisture-absorbing humidity sensing module T2 of the present invention and the humidity sensing sticker 100 having the module T2. The third embodiment is substantially the same as the first or second embodiment. The difference is that the structures of the protective layer 3 and the humidity sensing material 4 are different. Hereinafter, a moisture-absorbing humidity sensing module T2 will be described in detail as an example.

The protective layer 3 contains an insulating resin layer 3a. The two conductive segments 21 are respectively covered with a two-carbon adhesive layer 3b which is also electrically conductive, and the first notch 211 is formed between the two carbon adhesive layers 3b. The insulating resin layer 3a is further covered on the second carbon adhesive layer 3b and the second notch 31 is opened, so that the first notch 211 and the second notch 31 communicate with each other, and the two-carbon adhesive layer 3b is sandwiched between the insulating resin layer 3a and Between the two conductive segments 21, and the humidity sensing material 4 is connected between the two carbon adhesive layers 3b.

It should be noted that the carbon glue layer 3b is also electrically conductive, and because the carbon glue layer 3b is covered on the conductive portion 21, the conductive sequence is the carbon glue layer 3b first, and the conductive silver glue layer 2 is behind, so When the humidity sensing material 4 absorbs moisture through the moisture absorbing holes S, the two conductive segments 21 can be electrically connected via the two-carbon adhesive layer 3b. Moreover, the carbon glue layer 3b has the effect of protecting (protecting the conductive silver glue layer 2 from oxidation) and conducting electricity, and the main function of the conductive silver glue layer 2 is to strengthen the signal.

As for the humidity sensing material 4, a packing portion 41 and a span portion 42 are connected to each other, and the caulking portion 41 is filled in the moisture absorption hole S and adjacent to one side of the two-carbon rubber layer 3b (in the figure, the left side and the On the right side, the straddle portion 42 extends into the insulating resin layer 3a to bridge the two-carbon adhesive layer 3b and is adjacent to the other side of the two-carbon adhesive layer 3b (in the figure, the top side).

As shown in FIG. 8 and FIG. 9, respectively, a partial enlarged view of the third embodiment and the fourth embodiment of the humidity sensing sticker 100a of the present invention, which also has a plurality of the aforementioned moisture absorbing holes S. The third and fourth embodiments are substantially the same as the first, second or third embodiment described above, except that the conductive silver paste layer 2 is designed to have a pattern layer (not labeled with a symbol) whose shape and number tend to be simplified. It has the effect of reducing costs, but still has basic humidity sensing.

In summary, the hygroscopic humidity sensing module and the hygroscopic humidity sensing sticker of the present invention can achieve the intended use purpose, and solve the lack of the prior art, and are completely consistent with the novelty and the progressiveness. The application for the invention patent is filed in accordance with the Patent Law. Please check and grant the patent in this case to protect the rights of the inventor.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structural changes of the present invention and the contents of the drawings are all included in the present invention. Within the scope of the rights, it is given to Chen Ming.

Claims (12)

A moisture-absorbing humidity sensing module comprising: a conductive silver adhesive layer comprising two conductive segments spaced apart from each other, wherein the two conductive segments are respectively covered with a two-carbon adhesive layer and a first layer is formed between the two carbon adhesive layers a protective layer comprising an insulating resin layer covering the two carbon adhesive layer and opening a second notch, wherein the second notch communicates with the first notch to form a moisture absorbing hole, a two-carbon adhesive layer is sandwiched between the insulating resin layer and the two conductive segments; and a humidity sensing material that is hygroscopic and capable of being wet to generate electrical conductivity, the humidity sensing material comprising a plugging portion connected to each other and a straddle portion, the tamping portion is filled in the moisture absorbing hole and adjacent to a side of the two carbon glue layer, the straddle portion extends into the insulating resin layer to bridge the two carbon glue layer and is adjacent to the The other side of the two-carbon adhesive layer; wherein, when the moisture-sensing material absorbs moisture through the moisture-absorbing hole, the two conductive segments can be electrically connected via the moisture-sensing material that has been absorbed. The moisture absorption type humidity sensing module according to claim 1, wherein the humidity sensing material is a hydrophilic polymer. The moisture-absorbing humidity sensing module according to claim 2, wherein the hydrophilic polymer contains at least one polar or charged functional group. The moisture-absorbing humidity sensing module of claim 1, further comprising a water-absorbing carrier layer having a front surface, the conductive silver paste being laminated on the front surface, the first gap being connected to the water-absorbing carrier layer . The moisture absorption type humidity sensing module according to claim 4, wherein the water absorbing carrier layer is a grass fiber absorbent paper. A humidity sensing sticker having the moisture-absorbing humidity sensing module according to any one of claims 1 to 3, comprising: a water-absorbing carrier layer having a front surface; and a plurality of moisture-absorbing humidity sensing modules, each other Each of the moisture-absorbing humidity sensing modules comprises: a conductive silver adhesive layer laminated on the front surface and including two conductive segments spaced apart from each other, the two conductive segments are respectively covered with a two-carbon adhesive layer And forming a first gap between the two carbon glue layers, the first gap is connected to the water absorption carrier layer; a protective layer comprising an insulating resin layer covering the two carbon glue layer and opening a second gap, the second gap is connected to the first gap to form a moisture absorption hole, the two carbon glue layer is sandwiched between the insulating resin layer and the two conductive segments; and a humidity sensing material, Having hygroscopicity and being wettable to produce electrical conductivity, the humidity sensing material comprises a plug portion and a span connected to each other, the plug portion being filled in the moisture absorbing hole and adjacent to one side of the two carbon adhesive layer The span extends into the insulating tree The layer is connected to the other side of the second carbon layer and adjacent to the other side of the second carbon layer; wherein the humidity sensing material of each of the moisture absorption type humidity sensing modules absorbs moisture through the moisture absorption hole, The two conductive segments of the conductive silver paste layer can be electrically connected via the moisture-sensing material that has been absorbed. The humidity sensing sticker of claim 6, further comprising an adhesive layer, the water absorbing carrier layer further having a back surface, the adhesive layer being disposed on the back surface of the water absorbing carrier layer for adhesion. The humidity sensing sticker of claim 7, wherein the adhesive layer is provided with a plurality of third notches, and each of the third notches and the first notch respectively correspond to each other via the water-absorbing carrier layer, so that the humidity sensing materials are further The water absorbing carrier layer can be absorbed through the third notch through the water absorbing layer. The humidity sensing sticker of claim 7, further comprising a release sheet layer, the release sheet layer being detachably attached to the adhesive layer. The humidity sensing sticker of claim 6, wherein the conductive silver adhesive layer is a patterned layer. The humidity sensing sticker of claim 10, wherein any one of the pattern layers is spaced apart from each other to form a large area sensing area. The humidity sensing sticker of claim 6, wherein the water absorbing carrier layer is a straw fiber absorbent paper.