CN203777169U - Intelligent fluid guiding film and intelligent fluid guiding nursing pad comprising same - Google Patents

Abstract

An intelligent fluid guiding film is composed of at least one of a flow guiding dry and comfortable net face (8), an integral film and a tenacity layer (9). Many seams are arranged on the surface of the integral film and will automatically open or close according to the judgment whether water exists on the surface or not, and then a channel of fluid and water vapor can automatically open or close. The intelligent fluid guiding film is used for replacing or covering the top face layer of a nursing pad manufactured in the prior art to form an intelligent fluid guiding nursing pad. In this way, the body does not suffer dampness and hotness any more, and the nursing pad is more suitable for an ultra-thin design. The intelligent fluid guiding nursing pad can be classified into an intelligent fluid guiding sanitary pad, an intelligent fluid guiding baby diaper, an intelligent fluid guiding paper diaper and an intelligent fluid guiding baby diaper pad according to different application objects.

Description

A kind of intelligent drain film and the intelligent drain nursing pad that contains this intelligence drain film

Technical field

This utility model relates to a kind of nursing materials; the intelligent drain nursing pad that relates in particular to a kind of intelligent drain film and contain this intelligence drain film; the former is except for the latter; also can be used for mask, intelligence control wet environment etc.; the latter belongs to disposable nursing materials, relates to the fields such as daily nursing, women and children's nursing, health care.

Background technology

Existing sanitary towel, diaper, diaper, though the products such as baby diaper pad have effect of absorb body fluids, its body fluid absorbing also can be absorbed by water-absorbing resin, but because these nursing pads and contact skin, body temperature can play to these body fluid the effect of heating, under the baking of body temperature, these absorbed body fluid can give out a large amount of water vapour, water vapour is can be not locked by water-absorbing resin, it can be oppositely stained with on skin, cause skin can feel sultry humidity, thereby cause skin to itch uncomfortable, even there is eczema, even if these nursing pad surfaces touch up very dry and comfortable, do not stop the reverse circulated of water vapour yet, these nursing pads moisture of can not fixing a point to absorb in addition, absorbtivity is little, be unfavorable for the shortcomings such as ultrathin design.

Summary of the invention

In order to overcome the deficiency of background technology, the intelligent drain nursing pad that this utility model provides a kind of intelligent drain film and contains this intelligence drain film, it can unidirectional fixed point absorb liquid, prevention side leakage, can whether there is liquid to carry out the opening and closing of passage according to surface, effectively intercepted the reverse circulated of water vapour, at utmost kept the dry and comfortable of skin, can also fix a point to absorb moisture, absorbtivity large, be beneficial to ultrathin design etc.

This utility model, for solving its technical problem, has adopted following technical scheme:

one, the intelligent drain film of following technical scheme is provided

(1) provide a kind of intelligent drain film, form at interior at least one deck by comprising integral membrane in water conservancy diversion liquid absorbing net face, integral membrane, toughness layer three, water conservancy diversion liquid absorbing net face, integral membrane and toughness layer from top to down successively, each layer or wherein two interlayers connect by adhesive or connect by heat seal mode.

(2) provide a kind of (1) described intelligent drain film, it is characterized in that: described integral membrane is formed by connecting by many compound bars, every compound bar comprises that by water guide layer, expansion piece and water barrier expansion piece and water barrier, in interior at least two-layer composition, are called water guide layer, expansion piece and water barrier from top to down.

(3) provide the intelligent drain film described in any one in a kind of (1)-(2), it is characterized in that: described integral membrane is overrided to form by many compound bars, when adjacent two described compound bars connect, wherein the expansion piece on a compound bar along the center line of two expansion piece spacing on center line and another compound bar of this compound bar width roughly at same, every limit that is not inflated the water barrier of sheet covering should be towards same direction, and be crushed on below adjacent compound bar, adjacent two compound bars have lap, each expansion piece upper surface along the center line of this expansion piece place compound bar width extend to be not inflated sheet cover water barrier marginal position be connected with the water barrier back side, upper strata.

(4) provide the intelligent drain film described in any one in a kind of (1)-(2), it is characterized in that: described integral membrane is made up of many compound bars, when adjacent two described compound bars connect, two water barriers are close to alignment in same plane, wherein the expansion piece on a compound bar roughly overlaps with the center line of two expansion piece spacing on another compound bar along the center line of this expansion piece place water barrier width, article two, compound bar connects by the strip-shaped membrane of its gap downside, strip-shaped membrane and compound bar are wherein engaged in both intersection completely, be engaged in the corresponding water barrier back portion of midline position of any two adjacent expansion piece spacing under this compound bar with another compound bar, when many compound bar combinations, it is consistent that every compound bar and the strip-shaped membrane engaging completely with it are done orientation when as a whole.

In the intelligent drain film that (1) above-(4) provide, between adjacent two compound bars, there are a lot of seams, when surface does not have water, these seams are closed, when there is water on surface, under the surface tension of water and the dual function of expansion piece expansion bending, these seams will be opened automatically, water will flow to lower floor along seam, because there is water repellency at the integral membrane back side (closing on water accepting layer), flow backwards if waterishlogging is raw again, the seam between compound bar can be forced to close, so water can not flow backwards, thereby intercept contacting of water and skin.

(5) provide a kind of (1) described intelligent drain film, it is characterized in that: described integral membrane is made up of upper partition and lower partition, upper partition and the lower partition surface geometric figure that distributing respectively, hollow out geometric figure and not hollow out geometric figure are alternately distributed, in hollow out geometric figure, do not fill expansion piece, not hollow out geometric figure (expansion piece) position of lower partition is corresponding with the hollow out geometric figure position of upper partition, and described geometric figure refers to line segment or line segment combination, triangle, tetragon, polygon or other irregular figure.

(6) provide a kind of (1) described intelligent drain film, it is characterized in that: described integral membrane is made up of partition and the expansion piece that is uniformly distributed its upper surface, expansion piece ovalize or other geometric figures, have forward joint-cutting at expansion piece center, and joint-cutting runs through integral membrane upper and lower surface.

(7) provide a kind of (1) described intelligent drain film, it is characterized in that: described integral membrane is made up of through the water swelling partition of refusing water treatment lower surface, upper surface is evenly distributed with countless joint-cuttings, joint-cutting runs through integral membrane upper and lower surface, whole upper surface all can expand after meeting water, lower surface is not because being subject to the impact of moisture content through refusing water treatment, this water swelling partition is identical with the expansion piece material in (1)-(6), but area is suitable with the integral membrane in (1)-(6).

Each layer of role of intelligent drain film that (1) above-(7) provide is: the effect of water conservancy diversion liquid absorbing net face has: 1. make skin dry and comfortable.2. conductive liquid, makes liquid be passed to rapidly lower floor or expansion piece surface, makes expansion piece rapid that water expands.The effect of water guide layer has: 1. conductive liquid: make liquid be passed to rapidly lower floor and expansion piece surface, make expansion piece rapid that water expands.2. make skin and film keep at a distance so that ventilative, be conducive to distributing of top layer liquid and perspiration.The effect of expansion piece has: 1. water-swellable: the water barrier engaging is bent, thereby make to form arcuation seam between adjacent two layers compound bar, form the path of water.2. initiatively from absorbing moisture with it, be discharged to lower floor.The effect of water barrier has: 1. open passage for supernatant liquid, allow liquid flow to lower floor.2. intercept lower floor's liquid and flow backward to upper strata.3. under the effect of expansion piece, form arcuation seam, form fluid path.4. ventilative: to make top layer residual liquid and perspiration be distributed to lower floor with gas form.The effect of partition has: 1. open passage for supernatant liquid, allow liquid flow to lower floor.2. intercept lower floor's liquid and flow backward to upper strata.3. ventilative: to make top layer residual liquid and perspiration be distributed to lower floor with gas form. water-swellable: upper surface expands rapidly after meeting water, and joint-cutting edge is curling downwards, forms poroid.

Each layer of intelligent drain film that (1) above-(7) provide all has multiple material selective.For example: water conservancy diversion liquid absorbing net face is selected skin not to be produced to the material stimulating, comprise making hole film and the saturating liquid non-woven fabrics of various materials.Water guide layer can select to have the materials such as cotton, artificial silk, paper pulp, synthetic resin, natural fiber or the chemical fibre of water guide permeation functions.Expansion piece can be selected to have and meet the raw volumetric expansion of waterishlogging and the good material of tack, as hydrophilic polyurethane, water-soluble polypropylene acid, hydro-expansive rubber, high-molecular coating etc.Water barrier, upper partition and lower partition can be thin film or the waterproof ventilated membranes that the macromolecular material such as polyolefin, polyurethane is made, can be also by acupuncture, water thorn, the nonwoven cloth material that manufacture method obtains such as melt-blown, spunbond, gas is worn or it is compound after material.

two, the intelligent drain nursing pad of following technical scheme is provided

(a) provide a kind of intelligent drain nursing pad, the top coat that it substituted or be covered in by the intelligent drain film described in any one in above-mentioned (1)-(7) nursing pad being made by known technology forms.The nursing pad that described known technology makes refers to: by the top coat of liquid permeability, be incorporated into this top coat opaque liquid impervious barrier and in be contained in water accepting layer between above-mentioned top coat and impervious barrier composition.

(b) provide a kind of above-mentioned (a) described intelligent drain nursing pad, it is characterized in that: its profile is the same with common sanitary towel (protective pad), is generally approximate ellipsoidal or rectangle, be mainly used in female menstrual period nursing.Except having the function of common sanitary towel, it also has unidirectional fixed point to absorb liquid, and whether prevention side leakage can have liquid to carry out the functions such as intellectuality absorption and liquid barrier according to surface, thereby keep the dry and comfortable and ventilative of skin.

(c) provide a kind of above-mentioned (a) described intelligent drain nursing pad; it is characterized in that: its profile is the same with common paper urine pants (diaper); generally be approximate rectangle; surrounding has fold; sticky gather into folds and as underwear; with it can being through; be mainly used in infant or patient's daily nursing; except having the function of common paper urine pants (diaper); it also has unidirectional fixed point to absorb liquid; whether prevention side leakage, can have liquid to carry out the functions such as intellectuality absorption and liquid barrier according to surface, thereby keep the dry and comfortable and ventilative of skin.

(d) provide a kind of above-mentioned (a) described intelligent drain nursing pad; it is characterized in that: its profile is the same with common baby diaper pad; generally be rectangle; can be laid on bed upper, be mainly used in the daily nursing of patient, puerpera or infant, except having the function of common baby diaper pad; it also has unidirectional fixed point to absorb liquid; whether prevention side leakage, can have liquid to carry out the functions such as intellectuality absorption and liquid barrier according to surface, thereby keep the dry and comfortable and ventilative of skin.

Whether the beneficial effects of the utility model are: a, can have liquid to carry out intelligentized unidirectional absorption liquid and liquid barrier according to surface.When there is water on b, surface, intelligent drain nursing pad surrounding can be upturned automatically, effectively prevents side leakage.C, intelligent drain nursing pad can keep surface dry to greatest extent, increase skin comfort level, effectively prevent eczema.D, the intelligent drain nursing pad surface liquid of can fixing a point to absorb, liquid spreads to surrounding in surperficial lower floor, and it is dry and comfortable that surface still keeps.E, intelligent drain nursing pad, equating, under the prerequisite of liquid storage amount, to save a part of absorbent material, play and subtract material effect.The antiperspirant steam that f, intelligent drain nursing pad energy active absorption human body distribute, is conducive to perspire.G, the equal cheapness of intelligent drain nursing pad material therefor are easily purchased and can degrade, environmental sound.

brief description of the drawings

Fig. 1 is the partial exploded view of adjacent two compound bars in embodiment (1), (2), (3).

Fig. 2 is that the part of adjacent two compound bars in embodiment (1), (2), (3) laminates schematic diagram.

Fig. 3 is the upper surface (having water conservancy diversion liquid absorbing net face) of integral membrane in embodiment (1)-(4).

Fig. 4 is the lower surface (having toughness layer) of integral membrane in embodiment (1)-(4).

Fig. 5 is that the described intelligent drain film of embodiment (4) comprises two local disassembly diagrams of adjacent compound bar.

Fig. 6 is that the described intelligent drain film of embodiment (4) comprises two local constitutional diagrams of adjacent compound bar.

Fig. 7 is the floor map of the described intelligent drain single partition that film comprises of embodiment (5).

Fig. 8 is that the described intelligent drain film of embodiment (5) comprises two floor map after partition combination.

Fig. 9 is the intelligent drain nursing pad local structural graph that embodiment (a) provides.

Figure 10 is the partial enlarged drawing of integral membrane in embodiment (6).

Figure 11 is the partial enlarged drawing of integral membrane in embodiment (7).

Figure 12 is the one intelligence drain nursing pad outline drawing that embodiment (b) provides.

Figure 13 is the one intelligence drain nursing pad outline drawing that embodiment (c) provides.

Figure 14 is the one intelligence drain nursing pad outline drawing that embodiment (d) provides.

1. water guide layers in figure, 2. expansion piece, 3. water barrier, 4. adhesive, 5. upper surface compound bar laminates seam, 6. lower surface compound bar laminates seam, 7. strip-shaped membrane, 8. water conservancy diversion liquid absorbing net face, 9. toughness layer, a. water barrier than water guide layer wide go out length, 10. strip-shaped membrane and the position that overlaps of a compound bar wherein, the connecting portion of 11. strip-shaped membrane and another compound bar, the geometric figure of hollow out on 12. partitions, 13. hollow outs and be not coated with the partition at expansion piece position not, 14. intelligent drain films, 15. water accepting layers, 16. impervious barriers, 17. oval-shaped expansion pieces, 18. joint-cuttings, 19. partitions, 20. joint-cuttings, 21. lower surfaces are through refusing the water swelling partition of water treatment.

detailed description of the invention

Below in conjunction with drawings and Examples, this utility model is described further.

In embodiment (1)-(3), as shown in Figure 1 and Figure 2, the upper stickup of water barrier (3) (spraying) in bar shaped has expansion piece (2), expansion piece (2) can water-swellable, dehydration is shunk, it is discontinuous and is less than water barrier (3) along the width of water barrier width, and there is longitudinal stricture of vagina on surface, to absorb liquid.On expansion piece (2), be coated with water guide layer (1), water guide layer (1) width is also less than water barrier (3), with corresponding the linking together of expansion piece (2), like this, water guide layer (1), expansion piece (2) and water barrier (3) can be bonded as one, and are referred to as compound bar (Fig. 2).And the mutual stack of multiple compound bars (Fig. 2) has just formed an integral membrane (Fig. 3, Fig. 4), when adjacent two described compound bars (Fig. 2) connect, wherein the expansion piece (2) on a compound bar (Fig. 2) along the center line of two expansion pieces (2) spacing on center line and another compound bar (Fig. 2) of place water barrier (3) width roughly at same, the water barrier limit that is not inflated sheet (2) covering should be towards same direction, and be crushed on below adjacent layer, link position is positioned at each expansion piece (2) along the midline position of water barrier width and extends to the edge of water barrier, connect or heat seal connection by the adhesive (4) coating in advance.

In embodiment (4), as Fig. 5, shown in Fig. 6, integral membrane is made up of many compound bars, when adjacent two described compound bars connect, two water barriers (3) are close to alignment in same plane, wherein the expansion piece (2) on a compound bar roughly overlaps with the center line of two expansion piece spacing on another compound bar along the center line of this expansion piece (2) place water barrier (3) width, article two, compound bar connects by the strip-shaped membrane (7) of its gap downside, strip-shaped membrane (7) and compound bar are wherein engaged in both positions that overlaps (10) completely, be engaged in connecting portion (11) with another compound bar, when many compound bar combinations, it is consistent that every compound bar and the strip-shaped membrane (7) engaging completely with it are done orientation when as a whole, when production, first (spraying) continuous expansion piece will longitudinally be pasted on whole water barrier, lateral shear and form many compound bars again, carry out again the combination as upper type, after combination, water treatment is refused in its whole bottom surface.

In embodiment (1)-(4), described compound bar also can be obtained by following methods, contained water barrier (3) adopts water swelling material, identical with expansion piece (2) material in (1)-(6), lower surface and originally all do not refuse water treatment containing the upper surface portion of expansion piece (2), leaves the position of refusing water treatment and is the position of original expansion piece (2).Other aspects and connected mode are still by the above.

In embodiment (1)-(4), when skin side has liquid discharge current, the expansion piece (2) that the water guide layer (1) on intelligence drain film surface can be in contact with it guiding fluid, expansion piece (2) obtains water and expands rapidly, because the water barrier bonding with it (3) can not be elongated, so being stained with the part of expansion piece (2), water barrier (3) will upwards arch, the part that is not stained with expansion piece (2) will cave in relatively, like this, between two adjacent compound bars, will form the seam of a lot of arches, water flows to lower floor along seam, meanwhile, under the pulling force effect of expansion piece (2), whole integral membrane (Fig. 3, Fig. 4) also can shrink to centre, when intelligence drain nursing pad contacts with human body, edge will upwards have been lifted up, play the effect of anti-side leakage.Most of liquid is all let out water accepting layer (15) below, surface is residual a small amount of liquid only, along with the conduction of water guide layer (1) and the evaporation of body temperature, residual liquid will soon be by evaporate to dryness, expansion piece (2) also can be contracted to original shape because losing liquid, the water accepting layer (15) of lower floor is though there is liquid, but what contact with it is the water barrier (3) with repellency, if liquid flows backwards, water barrier (3) will be forced to close two seams between compound bar, so liquid can not flow back to surface.

In embodiment (5), integral membrane is made up of upper partition and lower partition, as Fig. 7, shown in Fig. 8, upper partition and the lower partition surface geometric figure that distributing respectively, hollow out geometric figure (12) and not hollow out geometric figure are alternately distributed, in hollow out geometric figure, do not fill expansion piece (2), when combination, be positioned at expansion piece (2) position of lower partition and hollow out geometric figure (12) position of upper partition is corresponding, like this, expansion piece (2) on upper partition and lower partition is all exposed to the surface of partition, each expansion piece (2) has very large chance to touch liquid, after combining, lower surface does according to water treatment, when upper surface contacts with liquid, expansion piece (2) will drive adhered to partition up to arch together, hollow out and the partition (13) that is not coated with expansion piece (2) position will not cave in relatively, simultaneously, geometric figure on two partitions also starts to be shifted, even the hollow out geometric figure on two partitions can be overlapping, at this moment, expansion piece (2) on lower partition will produce gap with upper partition around, liquid can flow to lower partition surface, and then flow to water accepting layer (15) below by the hollow out geometric figure (12) on lower partition.It is worth mentioning that, in the present embodiment, geometric figure on two partitions might not be identical, hollow out geometric figure (12) on each partition is also not necessarily identical with the shape of expansion piece (2), just to accomplish that the expansion piece (2) on lower partition is just in time inserted in the hollow out geometric figure (12) of partition, and when expansion piece (2) upwards arches, between two partitions, can produce maximum fluid passage and be only the original idea place of design, Fig. 7, shown in Fig. 8 is numerous combinations a kind of specific combination wherein, described geometric figure refers to line segment or line segment combination, triangle, tetragon, polygon or other irregular figure.

In embodiment (6)-(7), integral membrane lower surface has all passed through to be refused water treatment and has stretch-resistance, can be because of contact water and deformation occur, but when upper surface contact water, joint-cutting around can expand because having contacted water, joint-cutting edge is forced to curling and form hole downwards, water can flow to lower floor along hole, and when current are complete, upper surface can return to the original form because drying out, joint-cutting around also can slowly return to the original form on curling limit, and hole has become again joint-cutting again.

In embodiment (1)-(7), according to season and regional difference, above-mentioned intelligent drain film (Fig. 3, Fig. 4) contained each layer can regulate according to practical situation, water conservancy diversion liquid absorbing net face (8), toughness layer (9), water guide layer (1), expansion piece (2), water barrier (3) and partition thickness are generally at 0-3mm, for example: in high temperature season and area, because having a large amount of perspiration, human body produces, water guide layer (1) and expansion piece (2) need thicker, water barrier (3) needs thinner, be conducive to like this antiperspirant vapour transmission water barrier (3), the effect of water conservancy diversion liquid absorbing net face (8) also can be more obvious, contrary at low temperature season and regional situation.

From entirety, the upper surface of integral membrane (Fig. 3) (closing on the face of skin) is water guide layer (1), soft and loose ventilative, under the good prerequisite of water conservancy diversion effect, water guide layer (1) can be ignored, and the lower surface of integral membrane (Fig. 4) is refused water treatment, more can suppress the refluence of water.Before not dry, still keep surface dry in order to ensure remained on surface liquid, can on integral membrane (Fig. 3), add one deck water conservancy diversion liquid absorbing net face (8) again, this water conservancy diversion liquid absorbing net face (8) is little with contact skin area, so also have ventilative and water guiding action concurrently.Meanwhile, in order to increase the fastness of whole intelligent drain film (Fig. 3, Fig. 4), can below whole intelligent drain film (Fig. 3, Fig. 4), paste and add one deck toughness layer (9), under the prerequisite of toughness abundance, toughness layer (9) often can be ignored.

Whole Zhang Zhineng drain film (14) is substituted or is covered in the nursing pad surface being made by known technology, just become the intelligent drain nursing pad of one provided by the utility model (Fig. 9), under the effect of intelligent drain film (14), liquid just can not flow back to surface after being absorbed water accepting layer (15) by unidirectional fixed point, thereby having cut off liquid contacts with the direct of skin, even after having absorbed large quantity of fluid, it also can keep surface dry, and be more suitable for ultrathin design, intelligence drain nursing pad (Fig. 9) lower surface is impervious barrier (16), there is airing function, accompany water accepting layer (15) between the two, absorbent material is contained in the inside, can absorb storing liquid.When skin side has liquid discharge current, the seam on intelligent drain film (14) will be opened rapidly, and water flows to water accepting layer (15) along seam, and meanwhile, intelligent drain film (14) also can shrink to centre, and edge will upwards have been lifted up, and plays the effect of anti-side leakage.Most of liquid is all excreted to water accepting layer below, a surface residual minim moisture, along with the evaporation of body temperature, residual moisture will soon be by evaporate to dryness, and the seam on intelligent drain film (14) will be closed, at this moment, water accepting layer (15) though in have liquid, but intelligent drain film (14) lower surface has repellency, so liquid can not be penetrated into surface, and be stored among water accepting layer (15).

According to application difference, this intelligent drain nursing pad (Fig. 9) has three kinds of display forms, i.e. intelligent drain sanitary towel (Figure 12), intelligent drain diaper (Figure 13) and intelligent drain baby diaper pad (Figure 14).

Intelligent drain nursing pad as shown in figure 12, its profile is the same with common sanitary towel (protective pad), is generally approximate ellipsoidal or rectangle, is mainly used in female menstrual period nursing.Except having the function of common sanitary towel, it can also unidirectional fixed point absorb liquid, and whether prevention side leakage can have liquid to carry out the functions such as intellectuality absorption and liquid barrier according to surface, thereby keep the dry and comfortable and ventilative of skin.

Intelligent drain nursing pad as shown in figure 13; its profile is the same with common paper urine pants (diaper); generally be approximate rectangle; surrounding has fold; sticky gather into folds and as underwear; with it can being through; be mainly used in infant or patient's daily nursing; except having the function of common paper urine pants (diaper); it can also unidirectional fixed point absorb liquid; whether prevention side leakage, can have liquid to carry out the functions such as intellectuality absorption and liquid barrier according to surface, thereby keep the dry and comfortable and ventilative of skin.

Intelligent drain nursing pad as shown in figure 14; its profile is the same with common baby diaper pad; generally be rectangle; can be laid on bed upper, be mainly used in the daily nursing of patient, puerpera or infant, except having the function of common baby diaper pad; it can also unidirectional fixed point absorb liquid; whether prevention side leakage, can have liquid to carry out the functions such as intellectuality absorption and liquid barrier according to surface, thereby keep the dry and comfortable and ventilative of skin.

Description to each embodiment above; be only to do in order to understand this utility model, but not the institute of this utility model flesh and blood limit, not departing from the variation of doing in flesh and blood of the present utility model and scope; all apparent, within all falling into protection domain of the present utility model.

Claims (8)

1. an intelligent drain film, form at interior at least one deck by comprising integral membrane in water conservancy diversion liquid absorbing net face (8), integral membrane, toughness layer (9) three, water conservancy diversion liquid absorbing net face (8), integral membrane and toughness layer (9) from top to down successively, each layer or wherein two interlayers connect by adhesive (4) or connect by heat seal mode.

2. intelligent drain film according to claim 1, it is characterized in that: described integral membrane is formed by connecting by many compound bars, every compound bar comprises that by water guide layer, expansion piece and water barrier expansion piece and water barrier, in interior at least two-layer composition, are called water guide layer, expansion piece and water barrier from top to down.

3. according to the intelligent drain film described in any one in claim 1-2, it is characterized in that: described integral membrane is overrided to form by many compound bars, when adjacent two described compound bars connect, wherein the expansion piece (2) on a compound bar along the center line of two expansion pieces (2) spacing on center line and another compound bar of this compound bar width at same, every limit that is not inflated the water barrier (3) of sheet (2) covering should be towards same direction, and be crushed on below adjacent layer, each expansion piece (2) upper surface along the center line of this expansion piece (2) place compound bar width extend to be not inflated sheet (2) cover water barrier (3) marginal position be connected with upper strata water barrier (3) back side.

4. according to the intelligent drain film described in any one in claim 1-2, it is characterized in that: described integral membrane is made up of many compound bars, when adjacent two described compound bars connect, two water barriers (3) are close to alignment in same plane, wherein the expansion piece (2) on a compound bar roughly overlaps with the center line of two expansion pieces (2) spacing on another compound bar along the center line of this expansion piece (2) place water barrier (3) width, article two, compound bar connects by the strip-shaped membrane (7) of its gap downside, strip-shaped membrane (7) and compound bar are wherein engaged in both positions that overlaps (10) completely, be engaged in the corresponding water barrier of midline position (3) back portion of any two adjacent expansion piece (2) spacing under this compound bar with another compound bar, when multiple compound bar combination, it is consistent that each compound bar and the strip-shaped membrane engaging completely with it are done orientation when as a whole.

5. intelligent drain film according to claim 1, it is characterized in that: described integral membrane is made up of upper partition and lower partition, upper partition and the lower partition surface geometric figure that distributing respectively, hollow out geometric figure and not hollow out geometric figure are alternately distributed, in hollow out geometric figure, do not fill expansion piece (2), expansion piece (2) position of lower partition is corresponding with the hollow out geometric figure position of upper partition, and described geometric figure refers to line segment or line segment combination, triangle, tetragon and polygon.

6. intelligent drain film according to claim 1, it is characterized in that: described integral membrane is made up of partition (19) and the expansion piece (17) that is uniformly distributed its upper surface, expansion piece ovalize or other geometric figures, have forward joint-cutting (18) at expansion piece center, joint-cutting (18) runs through integral membrane upper and lower surface.

7. intelligent drain film according to claim 1, is characterized in that: described integral membrane is made up of through the water swelling partition (21) of refusing water treatment lower surface, and upper surface is evenly distributed with countless joint-cuttings (20), and joint-cutting (20) runs through integral membrane upper and lower surface.

8. an intelligent drain nursing pad, it was substituted or be covered in the nursing pad being made by known technology top coat by the intelligent drain film described in any one in claim 1-7 forms, the nursing pad that described known technology makes refers to: by the top coat of liquid permeability, be incorporated into the opaque liquid of this top coat impervious barrier (16) and in be contained in water accepting layer (15) between above-mentioned top coat and impervious barrier (16) composition.