Abstract
The present invention relates to construction foil (1), in particular for use in the flat roof area, with a single- or multilayer structure (3) comprising a carrier layer (2), wherein the carrier layer (2) comprises an electronic unit (4) and at least one first connecting means (7) projecting beyond the outer side (8) of the carrier layer (2) and electrically connected to the electronic unit (4), and wherein the first connecting means (7) is designed in such a way that the electronic unit (4) can be detachably connected electrically to an external connection device (9) via the first connecting means (7), preferably without tools.
Claims
1. A construction foil, for flat roofs, with a single- or multilayer structure comprising a carrier layer, wherein the carrier layer comprises an electronic unit and at least one first connecting means projecting beyond the outer side of the carrier layer and electrically connected to the electronic unit, and wherein the first connecting means is designed in such a way that the electronic unit can be detachably connected electrically to an external connection device via the first connecting means, preferably without tools, wherein the first connecting means is designed as a connecting means of a complementary connecting system that can preferably be released without destruction and/or without tools, and wherein a push-button connection, a push-button-like connection, a hook-and-loop fastener connection and/or an adhesive connection is provided as the connecting system.
2. The construction foil according to claim 1, wherein in that the first connecting means protrudes between 0.5 to 15 mm, preferably between 1 to 10 mm, more preferably between 2 to 6 mm, beyond the outer side of the carrier layer.
3. The construction foil according to claim 1, wherein the electronic unit is printed on the outer side of the carrier layer.
4. The construction foil according to claim 1, wherein the electronic unit has at least one sensor, preferably a moisture sensor, and/or at least one conductor track, in particular wherein the first connecting means is electrically conductively connected to at least one conductor track and/or in particular wherein the sensor is electrically conductively connected to at least one conductor track and/or the first connecting means.
5. The construction foil according to claim 1, wherein the carrier layer is formed as a, preferably waterproof, film layer, in particular wherein the carrier layer has as material a plastic, preferably a thermoplastic, further preferably polypropylene, polyethylene and/or polyethylene terephthalate, and/or consists thereof.
6. The construction foil according to claim 1, wherein the layer structure has at least one textile layer, preferably a nonwoven layer and/or a fabric layer, which is firmly bonded to the carrier layer, in particular wherein the electronic unit is provided between the textile layer and the carrier layer.
7. The construction foil according to claim 1, wherein the textile layer has a recess in the region of the first connecting means, and/or in that the first connecting means projects beyond the outer side of the textile layer facing away from the carrier layer.
8. The construction foil according to claim 1, wherein the width of the carrier layer extends over at least 3%, preferably between 3% to 50%, more preferably between 5% to 25%, preferably between 8% to 16%, of the width of the textile layer, in particular wherein the carrier layer arranged on the textile layer is spaced apart from the outer edges of the textile layer and/or is arranged centrally on the textile layer and/or in particular wherein the outer edges of the carrier layer and of the textile layer extend at least substantially parallel to one another and/or in particular wherein the longitudinal axis of the carrier layer extends at least substantially parallel to the longitudinal axis of the textile layer.
9. The construction foil according to claim 1, wherein the layer structure has at least one further layer for forming the construction foil as a roofing membrane, roofing film, flat roofing membrane, facade membrane and/or vapor barrier and/or sub-roofing membrane, in particular underlayment and/or sarking membrane.
10. A system with at least one construction foil according to claim 1 and at least one external connection device for electrical contacting of the at least one first connecting means, wherein the connection device has at least one second connecting means formed complementary to the first connecting means and wherein the first and the second connecting means can be detachably connected to one another, preferably without tools, wherein the first and second connecting means form a complementary connecting system which can preferably be released without destruction and/or without tools, and wherein a push-button connection, a push-button-like connection, a hook-and-loop fastener connection and/or an adhesive connection is provided as the connecting system.
11. The system according to claim 10, wherein an evaluation device connected or connectable to the connection device provided, preferably for evaluating the measurement results detected by the sensor of the electronic unit, and/or in that a power supply device connected or connectable to the connection device is provided.
12. The system according to claim 10, wherein the connection device has at least one contacting means, preferably a male or female contacting means of a plug-in connection to be formed, for connecting further electronic components, in particular wherein the contacting means is electrically connected to the second connecting means via at least one conductor cable.
13. The system according to claim 10, wherein the connection device is provided on a further construction foil, in particular in such a way that electrical contact is made between the construction foil and the further construction foil via connection between the first connecting means of the construction foil and the second connecting means of the connection device of the further construction foil.
14. The system according to claim 10, wherein the first and second connecting means can be releasably connected to one another in a form-fitting, friction-fitting, material-fitting and/or latching manner.
15. (canceled)
Description
[0094] Further features, advantages and possible applications of the present invention will be apparent from the following description of examples of embodiments based on the drawing and the drawing itself. In this context, all the features described and/or illustrated constitute the subject-matter of the present invention, either individually or in any combination, irrespective of their summary in the claims or their relation back.
[0095] It shows:
[0096] FIG. 1 a schematic perspective view of a construction foil according to the invention,
[0097] FIG. 2 a schematic perspective cross-sectional view of a further embodiment of the construction foil according to the invention,
[0098] FIG. 3 a schematic representation of a connection device according to the invention,
[0099] FIG. 4 a schematic perspective view of a further embodiment of the construction foil according to the invention,
[0100] FIG. 5 a schematic perspective view of a further embodiment of the connection device according to the invention,
[0101] FIG. 6 a schematic perspective view of a system according to the invention,
[0102] FIG. 7 a schematic cross-sectional view of a further embodiment of the construction foil according to the invention,
[0103] FIG. 8 a schematic cross-sectional view of a further embodiment of the construction foil according to the invention,
[0104] FIG. 9 a schematic top view of a further embodiment of the construction foil according to the invention,
[0105] FIG. 10 a schematic representation of detail A from FIG. 9,
[0106] FIG. 11 a schematic perspective view of a further embodiment of the construction foil according to the invention,
[0107] FIG. 12 a schematic perspective view of a further embodiment of the connection device according to the invention,
[0108] FIG. 13 a schematic perspective view of a further embodiment of the construction foil according to the invention,
[0109] FIG. 14 a schematic perspective view of a further embodiment of a system according to the invention,
[0110] FIG. 15 a schematic top view of a further embodiment of the construction foil according to the invention,
[0111] FIG. 16 a schematic perspective view of a further embodiment of the construction foil according to the invention,
[0112] FIG. 17 a schematic representation of a breakthrough element,
[0113] FIG. 18 a schematic representation of a further embodiment of a breakthrough element,
[0114] FIG. 19 a schematic perspective view of a further embodiment of a breakthrough element,
[0115] FIG. 20 a schematic perspective view of a further embodiment of a breakthrough element,
[0116] FIG. 21 a schematic perspective view of a further embodiment of a breakthrough element,
[0117] FIG. 22 a schematic perspective view of a further embodiment of a breakthrough element, and
[0118] FIG. 23 a schematic perspective view of a further embodiment of a breakthrough element.
[0119] FIG. 1 shows a construction foil 1. The construction foil 1 can be used in particular in the flat roof area and/or within a sub-roofing. Furthermore, FIG. 1 shows that the construction foil 1 has a carrier layer 2, which is integrated in a layer structure 3. The layer structure 3 can be of single-layer or multi-layer design. In the embodiment example shown in FIG. 1, an at least two-layer layer structure 3 is provided.
[0120] FIG. 4 shows a single-layer construction foil 1. The carrier layer 2 has an electronic unit 4.
[0121] In FIG. 9, it is shown that the electronic unit 4 may have a plurality of conductor tracks 5 and/or a sensor 6, in particular a humidity sensor. The sensor 6 may be connected to the conductor tracks 5. In particular, the sensor 6 may also be connected to a plurality of the conductor tracks 5.
[0122] In addition, FIG. 1 shows that the carrier layer 2 has a first connecting means 7 which protrudes over the carrier layer 2—namely over the outer side 8 of the carrier layer 2. The first connecting means 7 is connected to the electronic unit 4, in particular to the conductor tracks 5 and/or the sensor 6 of the electronic unit 4.
[0123] FIG. 1 shows that the first connecting means 7 is designed in such a way that the electronic unit 4 can be electrically connected to an external connection device 9 via the first connecting means 7. The connection of the first connecting means 7 to the external connection device 9 can be made in a detachable manner, in particular in a detachable manner without tools. Via the electrical connection between the first connecting means 7 and the external connection device 9, an electrical contacting of the external connection device 9 to the electronic unit 4 of the construction foil 1 can take place.
[0124] FIG. 3 schematically shows an external connection device 9 that can be connected to the first connecting means 7 of the construction foil 1 shown in FIG. 1.
[0125] Furthermore, FIGS. 4 to 6 also show a complementary configuration of the first connecting means 7 to the second connecting means 10 of the external connection device 9. Thus, the first connecting means 7 may be complementary to a second connecting means 10 of the external connection device 9, wherein the first connecting means 7 may provide the electrical contact between the second connecting means 10 of the external connection device 9 and the electronic unit 4 of the construction foil 1.
[0126] In the embodiment example shown in FIGS. 4 to 6, it is provided that the first connecting means 7 is designed as a connecting means of a complementary connecting system that can preferably be released non-destructively and/or without tools. In the illustrated embodiment example, a push-button connection is provided as the connecting system. The push-button connection has, in particular, a low installation height. For example, the assembly height of the first connecting means 7, which is connected to the second connecting means 10, may in particular not exceed a height of 1 cm.
[0127] In FIGS. 11 and 12, a further schematic representation of a complementary connection system is shown. In FIG. 11, it is shown that the construction foil 1 has a first connecting means 7, which may be formed as a male or female part of a hook-and-loop connection.
[0128] The connection device 9 may have a second connecting means 10 of complementary design, as shown schematically in FIG. 12. The second connecting means 10 shown in FIG. 12 can be detachably connected to the first connecting means 7 of the construction foil 1 shown in FIG. 11. Accordingly, an electrical contact to the electronic unit 4 of the construction foil 1 can be ensured via the connecting means 9.
[0129] It is not shown that an adhesive connection can also be provided as a connection system.
[0130] The first connecting means 7 may protrude between 0.5 to 15 mm beyond the outer surface 8 of the carrier layer 2.
[0131] FIG. 9 shows that the carrier layer 2 has an electronic unit 4 with at least one sensor 6. In the embodiment shown, the sensor 6 is designed as a humidity sensor.
[0132] FIG. 1 shows that the electronic unit 4 has at least one conductor track 5, with the first connecting means 7 being electrically conductively connected to at least one conductor track 5. FIG. 1 does not show that alternatively or additionally the first connecting means 7 can also be electrically connected to the sensor 6.
[0133] FIG. 1 further shows that the construction foil 1 can have between 1 and 20—namely in particular six in the embodiment example shown—first connecting means 7. In FIG. 11, it is shown that a first connecting means 7 is provided on the construction foil 1.
[0134] FIG. 13 shows that the construction foil 1 can comprise both the first connecting means 7 and the second connecting means 10. Thus, the construction foil 1 can comprise the external connection device 9 for another construction foil 25. The connection device 9 comprising the second connecting means 10 may be arranged on the opposite outer side 26 comprising the first connecting means 7, in particular wherein the second connecting means 10 may be electrically connected to the first connecting means 7 and/or the electronic unit 4. In this way, the construction foils 1, 25 can be electrically connected to one another via the first and second connecting means 7, 10, as shown schematically in FIG. 14.
[0135] The carrier layer 2 shown in FIG. 2 is designed as a waterproof film layer. In further embodiments, the carrier layer 2 may comprise and/or consist of a plastic, preferably a thermoplastic, in particular polypropylene, polyethylene and/or polyethylene terephthalate.
[0136] FIG. 2 shows that the layer structure 3 has at least one textile layer 11 firmly bonded to the carrier layer 2. In the embodiment shown, the textile layer 11 is formed as a nonwoven layer. In further embodiments, it may be provided that the textile layer 11 is a fabric layer. In the illustrated embodiment example, the electronic unit 4 is arranged between the textile layer 11 and the carrier layer 2, namely on the outer side 8 of the carrier layer 2.
[0137] In FIGS. 1 and 2, it is shown that the textile layer 11 has a recess 12 in the area of the first connecting means 7 to ultimately provide access to the first connecting means 7.
[0138] Alternatively or additionally, it can be provided that the first connecting means 7 protrudes over the textile layer 11. In the embodiment example shown in FIG. 2, no projection of the first connecting means 7 over the textile layer 11 is provided.
[0139] In particular, in further embodiments, the first connecting means 7 may protrude beyond the outer surface 13 of the textile layer 11 facing away from the carrier layer 2.
[0140] FIG. 15 shows that the width 14 of the carrier layer 2 does not extend over the entire width 15 of the textile layer 11. In the embodiment example shown in FIG. 15, it is provided that the width 14 of the carrier layer 2 extends over at least 3% of the width 15 of the textile layer 11, in particular the width 14 of the carrier layer 2 may extend to between 8% to 16% of the width 15 of the textile layer 11. FIG. 15 further shows that the carrier layer 2 disposed on the textile layer 11 is spaced from the outer edges 16 of the textile layer 11. Ultimately, the carrier layer 2 shown in FIG. 15 is disposed at least substantially centrally on the textile layer 11.
[0141] In addition, FIG. 15 shows that the outer edges 17 of the carrier layer 2 are at least substantially parallel to the outer edges 16 of the textile layer 11. Furthermore, FIG. 15 shows that the longitudinal axis 18, which runs in the direction of the greatest extension of the carrier layer 2, runs parallel to the longitudinal axis 19 of the textile layer 11, in particular wherein the axes 18 and 19 can lie one above the other in further embodiments.
[0142] FIG. 16 shows that the layer structure 3 has a further layer 20 for forming the construction foil 1 as a roofing membrane. In further embodiments, it may be provided that the further layer 20 forms the layer structure 3 as a roofing sheet, facade roofing sheet, facade sheet and/or vapor barrier and/or sub-roofing sheet, in particular underlayment and/or sarking sheet.
[0143] The further layer 20 can be designed as a functional layer, which in particular is designed to be vapor-barrier and/or diffusion-tight. In particular, the roofing membrane as shown in FIG. 16 can be used as a flat roofing membrane.
[0144] FIG. 14 shows a system 21 with at least one construction foil 1 according to one of the embodiments described above and an external connection device 9 for electrical contacting of the at least one first connecting means 7 of the construction foil 1. The connection device 9 has at least one second connecting means 10 designed to be complementary to the first connecting means, wherein the first and second connecting means 7, 10 are detachably connected to one another without tools.
[0145] It is not shown that the connection device 9 can be connected to an evaluation device, preferably for evaluating the measurement results detected by the sensor 6 of the electronic unit 4. Alternatively or additionally, it can be provided that the connection device 9 is connected to a power supply device.
[0146] In FIG. 6, it is shown that the connection device 9 has at least one conductor cable 22. It is not shown that the connection device 9 has at least one connection conductor track for electrical connection. The conductor cable 22 can be connected to the second connecting means 10, as shown schematically in FIG. 3.
[0147] FIG. 3 also shows that the connection device 9 has at least one contacting means 23. In the embodiment example shown in FIG. 14, it is provided that the contacting means 23 is designed as a male or female contacting means 23 of a plug connection to be formed. The contacting means 23 is provided for connecting further electronic components, such as a power supply device. FIG. 3 shows that the contacting means 23 is connected to the second connecting means 10 via at least one conductor cable 22.
[0148] FIG. 13 shows schematically that the connection device 9 can be provided on a further construction foil 25, so that electrical contact is made between the construction foils 1, 25 via the connection between the first connecting means 7 of the construction foil 1 and the second connecting means 10 of the connection device 9 of a further construction foil 25.
[0149] Finally, FIG. 13 shows a construction foil 1 that has both a first connecting means 7 and a second connecting means 10, so that the construction foil 1 shown in FIG. 13 is connected to further construction foils 25. Further, FIG. 13 shows that the construction foil 1 also has a further first connecting means 7, which may be different from the connecting means 7 for connecting the further construction foil 25. This further connecting means 7 can be provided in particular for connecting a connection device 9 which is not arranged on a further construction foil 25, as this is shown schematically in FIG. 14.
[0150] FIG. 14 shows interconnected construction foils 1, 25, which are connected to one another in particular via the first and second connecting means 7, 10. At least one construction foil 1 is connected to an external connection device 9, which has a contacting means 23—namely a part of a plug connection. Via the external connection device 9, which is not provided on a construction foil 1, the electrical supply of all construction foils 1, 25 and/or the data transmission between all construction foils 1, 25 can be ensured.
[0151] In further embodiments, it can be provided that the first and second connecting means 7, 10 can be releasably connected to one another in a form-fitting, friction-fitting, material-fitting and/or latching manner. In the embodiments shown in FIGS. 4 to 6, it is provided that the connecting means 7, 10 can be positively connected to one another.
[0152] The first and second connecting means 7, 10 can form a complementary connecting system, which in particular can be released non-destructively and/or without tools. In the embodiment example shown in FIGS. 11 and 12, it is provided that the first connecting means 7, as shown in FIG. 11, can cooperate with the second connecting means 10 shown in FIG. 12, wherein the connecting means 7, 10 can form a hook-and-loop connection.
[0153] In FIGS. 4 to 6, it is shown that the first and second connecting means 7, 10 can form a complementary connecting system in the form of a push-button connection.
[0154] In FIG. 3, it is shown that the second connecting means 7 of the connection device 9 is arranged in a housing 24. The housing 24 can serve as an abutment that is required when the connection between the first and second connecting means 7, 10 is made. Via the housing 24, the counterpressure required for bringing together or latching the connecting means 7, 10 can be provided.
[0155] The connection device 9 can in particular have a nonwoven layer and/or fabric layer and/or foil layer on which the second connecting means 10 can be arranged. Alternatively or additionally, it can be provided that the nonwoven layer of the connection device 9 has, preferably printed-on, connection conductor tracks for electrical contacting of the second connecting means 10.
[0156] FIG. 7 shows a construction foil 1 with a multilayer structure 3. The layer structure 3 has a carrier layer 2 and a textile layer 11. An electronic unit 4 is printed on the outer side 13 of the carrier layer 2.
[0157] FIG. 9 shows that the imprinted electronic unit 4 has a humidity sensor 6.
[0158] The textile layer 11 shown in FIGS. 7 and 8 is water-absorbent and thus water-permeable. The electronic unit 4 is provided between the carrier layer 2 and the hydrophilic textile layer 11. Thus, the outer side 13 faces the textile layer 11. Schematically, FIG. 9 shows that the moisture sensor 6 is in direct contact with the textile layer 11. In FIG. 7, the moisture sensor 6 is integrated in the electronic unit 4 and is not shown in more detail, wherein the moisture sensor 6 as well as the electronic unit 4 are arranged on the textile layer 11.
[0159] FIG. 10 shows detail A of FIG. 9. The moisture sensor 6 shown in FIG. 10 is designed as a resistive moisture sensor 6. For resistive moisture measurement, the moisture sensor 6 has at least two adjacent electrically conductive measuring conductor tracks 27. In the illustrated embodiment example, the measuring conductor tracks 27 form a rounded, in particular at least substantially circular, sensor field. The sensor field shown has at least a substantially labyrinthine structure.
[0160] FIG. 10 further shows that the two sensing conductor tracks 27 of the humidity sensor 6 mesh with each other. In addition, the illustrated sensing conductor tracks 27 form a plurality of protruding fingers 28. In the embodiment example of FIG. 10, the fingers 28 engage and comb with each other. Furthermore, the fingers 28 are formed at least substantially in the shape of arc sections, in particular in the shape of arc sections. A water line 31 is formed between two immediately adjacent fingers 28.
[0161] FIG. 10 shows that the formed water lines 31 have an at least substantially rounded shape and, in particular, are at least substantially circular ring section-shaped. In particular, a water line 31 can form the shape of a half circular ring.
[0162] Furthermore, FIG. 10 shows that the moisture sensor 6 is connected to at least one conductor track 5 of the electronic unit 4. In the illustrated embodiment, the humidity sensor 6 is connected to a plurality of conductor tracks 5. In further embodiments, the moisture sensor 6 may be connected to three to eight conductor tracks 5.
[0163] Furthermore, FIG. 10 shows that one measuring conductor track 27 (namely the lower measuring conductor track 27) is electrically connected to at least one conductor track 5—in the illustrated embodiment example to exactly one conductor track 5—of the electronic unit 4. The further measuring conductor track 27 (namely the upper measuring conductor track 27) is connected to a plurality of conductor tracks 5. In the illustrated embodiment example, the upper measuring conductor track 27 is connected to five conductor tracks 5.
[0164] In the embodiment shown in FIG. 7, the carrier layer 2 is diffusion-tight. In further embodiments, it may be provided that the carrier layer 2 is diffusion-inhibiting and/or impermeable to water vapor.
[0165] It is not shown that the textile layer 11 is formed as a nonwoven layer and in particular comprises hydrophilic fibers. In particular, fibers comprising polyethylene terephthalate (PET) as the material may be provided as hydrophilic fibers. Alternatively or additionally, it may be provided that the fibers of the textile layer 11 have a hydrophilic coating.
[0166] FIG. 9 shows schematically that a plurality of moisture sensors 6 are provided along the length of the construction foil 1. In further embodiments, the moisture sensors 6 can be equally spaced apart.
[0167] The distance 29 between two directly adjacent humidity sensors 6 can be between 10 cm to 5 m. In the embodiment example shown in FIG. 9, it is provided that the distance 29 is at least substantially 40 cm+/−10 cm.
[0168] The sensor field of the humidity sensor 6 formed in FIG. 10 can have a diameter or a maximum extension between 3 to 8 cm.
[0169] The width 30 of the water line 31, or the distance 30 between two immediately adjacent fingers 28, can range from 1 mm to 20 mm.
[0170] The width 14 of the carrier layer 2 can be between 1 to 100 cm. Furthermore, the width 15 of the textile layer can be between 0.5 to 3 m. However, the widths 14, 15 can vary, especially relative to each other.
[0171] FIG. 7 shows that the layer structure 3 has two layers and consists of the carrier layer 2 and the textile layer 11. The electronic unit 4 is printed on the carrier layer 2 and is ultimately regarded as a component of the carrier layer 2.
[0172] Not shown is a roof structure, which is provided in particular for a flat roof. The roof structure can have a construction foil 1 according to one of the embodiments described above. At least in the installed state of the construction foil 1, the moisture sensor 6 can be arranged on the upper side of the construction foil 1, facing the weather side, or on the lower side, facing away from the weather side.
[0173] Also not shown is that the layer structure 3 has a further textile layer, in particular a further nonwoven layer. The further non-woven layer can be arranged on the side of the construction foil 1 opposite the textile layer 11. Alternatively or additionally, it may be provided that the further textile layer is arranged on the side of the carrier layer 11 facing away from the electronic unit 4—namely the outer side 26.
[0174] FIG. 17 shows the use of a construction foil 1 according to the previously described embodiments according to FIGS. 1 to 16 as a breakthrough element 33. The breakthrough element 33 is used in particular in roof construction, preferably in flat roof construction. The construction foil 1 formed as a breakthrough element 33 has at least one breakthrough 32 of the construction foil 1. The breakthrough 32 serves to arrange and receive a breakthrough body 34. The breakthrough body 34 is not a component of the breakthrough element 33. Accordingly, the breakthrough element 33 can enclose the breakthrough body 34, at least in certain areas, and/or monitor the latter to the effect that any penetration of moisture is detected. In further embodiments, it may also be provided that a further construction foil, further construction foil sections and/or a sealing foil are used to seal the breakthrough body 34, wherein the breakthrough element 33 is used in an area that is to be sealed, whereby the breakthrough element 33 may provide monitoring of moisture penetration. However, in further embodiments, the sealing function, in particular against water, can also be provided by the breakthrough element 33 itself, in particular by the carrier layer 2 and/or at least one further layer 20.
[0175] A drain, for example a flat roof drain, and/or a ventilator, in particular a ventilation pipe, can be provided as a breakthrough body 34. In particular, the breakthrough element 33 functions as a sleeve element for the breakthrough body 34, which can be enclosed or surrounded by the breakthrough element 33 at least in regions, preferably completely. In this context, it can be provided that, at least in certain regions, a distance is produced between the outer side of the breakthrough 32 of the construction foil 1 and the breakthrough body 34, or that the breakthrough 32 of the construction foil 1 is arranged on the outer side 36 of the breakthrough body 34 in such a way that a closure is produced. For example, the construction foil 1 can be led up along the outer side 36 of the breakthrough body 34 so that the construction foil 1 can nestle against the breakthrough body 34 in this area.
[0176] FIG. 17 shows schematically that an area of the construction foil 1 can be formed as a breakthrough 32. This breakthrough 32 can be introduced at the factory or by the user. For example, the user can be shown which “possible” area can “function” as a breakthrough 32. Within this area, the user is then comparatively free to make an incision to form the breakthrough 32, so that the breakthrough 32 can be adapted to the individually provided breakthrough body 34. This allows for an increase in flexibility.
[0177] FIG. 17 shows four moisture sensors 6 arranged adjacent to the area that may form the breakthrough 32 (indicated schematically by hatching in FIG. 17). The moisture sensors 6 may be interconnected via conductive paths 5. In the embodiment example shown in FIG. 17, it is provided that neither the moisture sensors 6 nor the conductor tracks 5 are interrupted and/or pierced by the breakthrough 32. In the embodiment shown in FIG. 17, a one-piece design of the breakthrough element 33 is provided. In further embodiments not shown, the breakthrough element 33 may well be of multi-part design, in particular depending on the outer dimensions of the breakthrough body 34.
[0178] The conductor tracks 5 can electrically connect the humidity sensors 6 to each other.
[0179] In further embodiments, between 3 to 20 moisture sensors 6 can be used at the breakthrough element 33. In particular, the number of moisture sensors 6 used also depends on the outer dimensions of the breakthrough 32.
[0180] FIG. 18 shows that the conductor tracks 5 are arranged around the breakthrough 32.
[0181] In the embodiment shown in FIGS. 19 to 23, different breakthroughs 32 and breakthrough bodies 34 are shown. In FIG. 21, it is shown that the carrier layer 2 has a first breakthrough 35. In FIG. 21, however, the breakthrough body 34 is also visible, so that the breakthrough 35 of the carrier layer 2 can only be recognized in a “concealed” manner. In the embodiment example shown in FIG. 21, the first breakthrough 35 terminates with the breakthrough body 34.
[0182] FIG. 23 shows that the penetration element 33 is arranged below a waterproofing layer 39, in particular a waterproof sub-roofing membrane, and monitors the penetration of moisture below the waterproofing membrane 39.
[0183] Alternatively or additionally, it may be provided that the breakthrough element 33 is arranged on a vapor barrier and/or below a sealing layer, in particular below a sealing sheet 39.
[0184] The carrier layer 2 of the construction foil 1 can be guided up along the outer side 36 of the breakthrough body 34 at least in some areas, in particular the carrier layer 2 nestles against the outer side 36 of the breakthrough body 34 in this area. In addition, the breakthrough body 34 may be bonded and/or connected to the carrier layer 2 in this region, in particular in a sealing manner.
[0185] FIG. 21 shows that the textile layer 11 has a further breakthrough 37 which is larger than the first breakthrough 35 the carrier layer 2. The further breakthrough 37 may be spaced apart from the outer side 36 of the breakthrough body 34, at least in some regions, and may further alternatively or additionally be arranged on the outer side 36 of the breakthrough body 34, at least in some regions.
[0186] In FIG. 22, it is shown that both the first breakthrough 35 and the second breakthrough 37 are at least substantially flush with each other. In FIG. 22, however, the breakthrough body 34 is not shown in more detail.
[0187] In FIG. 20, it is shown that the carrier layer 2 has a breakthrough 32. The textile layer 11 has incisions, in particular a cross incision. The breakthrough body 34 can be guided through these incisions. The sections of the textile layer that are arranged in the breakthrough 32 can be guided up along the outer side 36 of the breakthrough body 34, as shown schematically in FIG. 20.
[0188] The breakthrough body 34 shown in FIG. 23 can have an outer diameter of at least 20 mm, preferably between 100 mm to 300 mm. Thus, the at least one breakthrough 32 of the construction foil 1 may also have an outer diameter 38 between 100 to 300 mm.
[0189] Preferably, the outer diameter of the breakthrough 32 is formed to correspond to the outer diameter 38 of the breakthrough body 34, in particular since the breakthrough 32 at least substantially corresponds to the outer shape of the breakthrough body 34, so that an at least substantially flush closure is formed between the breakthrough 32 and the breakthrough body 34.
[0190] Not shown in more detail is that the breakthrough body 34 can also have a maximum length of at least 1 m and/or a maximum width of at least 1 m. In particular, the breakthrough body 34 may also have an at least substantially rectangular outer shape, in particular wherein the length may be between 1 to 2 m and the width may be between 1 to 2 m. Such outer shapes result, for example, in skylight domes used in flat roof applications.
[0191] Particularly for larger breakthrough bodies 34, it is advantageous if the breakthrough element 33 is formed in at least two parts. In particular, at least two separate sections of the construction foil 1 can form the breakthrough element 38. These elements can be electrically connected to one another via the connection system described below. Ultimately, different sections of the construction foil 1 can form the breakthrough element 33. The breakthrough element 33 may be arranged around the breakthrough body 34 at least in certain areas, preferably completely surrounding the breakthrough body 34. Ultimately, the breakthrough element 33 ensures moisture monitoring in the roof structure in the area of the breakthrough body 34.
[0192] In further embodiments, the breakthrough body 34 may have an at least substantially circular outer cross-section in the region of the construction foil 1. In principle, however, different outer shapes are possible for the breakthrough element 33.
LIST OF REFERENCE SIGNS
[0193] 1 Construction foil [0194] 2 Carrier layer [0195] 3 Layer structure [0196] 4 Electronic unit [0197] 5 Conductor track [0198] 6 Sensor [0199] 7 First connecting means [0200] 8 Outer side of 2 [0201] 9 External connection device [0202] 10 Second connecting means [0203] 11 Textile layer [0204] 12 Recess [0205] 13 Outer side of 11 [0206] 14 Width from 2 [0207] 15 Width from 11 [0208] 16 Outer edge of 11 [0209] 17 Outer edge of 2 [0210] 18 Longitudinal axis from 2 [0211] 19 Longitudinal axis from 11 [0212] 20 Further layer [0213] 21 System [0214] 22 Conductor cable [0215] 23 Contacting means [0216] 24 Housing [0217] 25 Further construction foil [0218] 26 Outer side of 2 [0219] 27 Measuring conductor track [0220] 28 Finger [0221] 29 Distance [0222] 30 Distance [0223] 31 Water line [0224] 32 Breakthrough [0225] 33 Breakthrough element [0226] 34 Breakthrough body [0227] 35 First breakthrough [0228] 36 Outer side [0229] 37 Further breakthrough [0230] 38 (Outer) diameter [0231] 39 Sealing layer
