Metal wall surface system with electromagnetic shielding function

Abstract

The metal wall surface system with the electromagnetic shielding function comprises a wall surface transverse main purline and vertical keels vertically fixed to the upper end face and the lower end face of the wall surface transverse main purline, fireproof flame-retardant plates are arranged on the two sides of the wall surface transverse main purline respectively, and a waterproof breathable film is laid on the outer side face of the fireproof flame-retardant plate on one side of the wall surface transverse main purline. An outer-layer profiled steel sheet is laid on the outdoor side face of the waterproof breathable film, an inner-layer profiled steel sheet is laid on the indoor side face of the vapor-proof layer, and the inner-layer profiled steel sheet and the outer-layer profiled steel sheet are fixedly connected with the wall face transverse main purline through fastening connecting pieces respectively. Depainting and degreasing the contact surface of the fastening connecting piece and the inner-layer profiled steel sheet; and heat-insulating cotton is filled between the two fireproof flame-retardant plates. Through reasonable combination of all structural layers of the wall surface, the waterproof function, the heat preservation function, the noise reduction function, the air tightness function, the wind uplift resistance function, the electromagnetic shielding function and the like of the building wall surface are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building metal enclosure system, concretely relates to a metal wall system with electromagnetic shielding function, and has air tightness function. BACKGROUND

[0002] In industrial and public buildings, with the popularity and development of steel structure buildings, various metal wall systems with profiled metal plate and additional insulation layer structure are applied more and more widely. In addition to safety, the functional requirements of metal walls in industrial and public buildings of different functions are not limited to waterproof function and insulation function, and further requirements for noise reduction function, air tightness function, wind lifting resistance function, electromagnetic shielding function and the like of metal walls are also made.

[0003] The insulation function and the noise reduction function are common and easy to realize for general metal wall systems, and in the use of special functional electrical industrial and public buildings, the requirements of air tightness function and electromagnetic shielding function are often made. Therefore, it is an urgent technical problem to make the metal wall system have air tightness function and electromagnetic shielding function. SUMMARY

[0004] In view of the problem that the existing metal wall system cannot meet the performance requirements of buildings on electromagnetic shielding function, air tightness function and the like, the utility model provides a metal wall system with electromagnetic shielding function, which can meet the performance requirements of buildings on electromagnetic shielding, air tightness, waterproof and the like.

[0005] The utility model adopts the following technical scheme:

[0006] A metal wall system with electromagnetic shielding function, the system comprises a wall surface horizontal main purlin and a vertical keel vertically fixed to the upper and lower two end surfaces of the wall surface horizontal main purlin, fireproof flame-retardant plates are arranged on the two sides of the wall surface horizontal main purlin respectively, a waterproof and breathable film is laid at the outer side of the fireproof flame-retardant plate on one side, a vapor barrier layer is laid at the outer side of the fireproof flame-retardant plate on the other side, an outer layer of profiled steel plate is laid on the outdoor side of the waterproof and breathable film, an inner layer of profiled steel plate is laid on the indoor side of the vapor barrier layer, the inner layer of profiled steel plate and the outer layer of profiled steel plate are fixedly connected with the wall surface horizontal main purlin through a tight connection piece, and the contact surface of the tight connection piece and the inner layer of profiled steel plate is degreased and delacquered; thermal insulation cotton is filled between the two fireproof flame-retardant plates.

[0007] Further, a heat insulation gasket is arranged on the outdoor side of the wall surface horizontal main purlin.

[0008] Preferably, the fireproof flame-retardant plate is a fiber reinforced silicate board.

[0009] Preferably, the thermal insulation wool is rock wool, which is provided in two layers, and the two layers of thermal insulation wool are laid in a staggered manner.

[0010] Furthermore, both layers of thermal insulation cotton are provided with W58 flame retardant, moisture-proof and corrosion-resistant veneer.

[0011] Preferably, the vapor barrier layer and the waterproof breathable membrane are both flash-spun high-density spunbonded polyethylene non-woven fabrics.

[0012] The technical solution of this utility model has the following advantages:

[0013] The inner side of the inner corrugated steel plate and the outer corrugated steel plate provided by the utility model are provided with a vapor barrier membrane and a waterproof breathable membrane, which improves the waterproof function of the building wall; at the same time, thermal insulation cotton, two layers of fire-retardant panels, and thermal insulation gaskets are also provided, so that the building has thermal insulation, noise reduction, airtightness and fire prevention functions; at the same time, the contact surface between the fastening connector and the inner corrugated steel plate is depainted and degreased, so that it has an important electromagnetic shielding function, and through the reasonable combination of the various structural layers of the wall, the waterproof function, thermal insulation function, noise reduction function, airtightness function, wind resistance function, electromagnetic shielding and other functions of the building wall are realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the present invention, the following will briefly introduce the drawings required for use in the specific implementation methods. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a detailed structural drawing of the metal wall system provided by the utility model;

[0016] Attachment Figure 2 It is a schematic diagram of the metal wall system provided by the utility model.

[0017] The following are marked in the figure:

[0018] 1-External corrugated steel plate; 2-Waterproof breathable membrane; 3-Fire retardant board; 4-Insulation cotton

[0019] 5-vertical keel; 6-horizontal main purlin on the wall; 7-insulation gasket; 8-vapor barrier

[0020] 9-Inner corrugated steel plate; 10-Fixed connector. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] like Figure 1 、 Figure 2 As shown, the present invention provides a metal wall system with electromagnetic shielding function, including a wall transverse main purlin 6 and a vertical keel 5 vertically fixed to the upper and lower end surfaces of the wall transverse main purlin 6. Preferably, a full-length thermal insulation gasket 7 is provided on the side of the wall transverse main purlin 6 facing the outside, and a fire retardant board 3 is provided on both sides of the wall transverse main purlin 6. The fire retardant board 3 is preferably a fiber reinforced silicate board, that is, a fire retardant gypsum board, and the fire retardant board on one side thereof is preferably a fiber reinforced silicate board, that is, a fire retardant gypsum board. A waterproof, breathable membrane 2 is laid on the outer side of the fire-retardant panel 3, and a vapor barrier 8 is laid on the outer side of the fire-retardant panel on the other side. The outer side of the waterproof, breathable membrane 2 is laid with an outer laminated steel sheet 1, and the inner side of the vapor barrier 8 is laid with an inner laminated steel sheet 9. The inner and outer laminated steel sheets 9 and 1 are each fixedly connected to the transverse main purlins 6 of the wall surface via fasteners 10. The contact surface between the fasteners 10 and the inner laminated steel sheet 9 is degreased and painted. Insulation 4 is filled between the two layers of fire-retardant panel 3. The insulation 4 is rock wool, and two layers are shown in the figure, with the two layers laid with staggered seams. Of course, more layers of insulation can be provided, but this will not be discussed here.

[0025] In order to achieve better flame retardant and moisture-proof effects, the utility model also lays W58 flame retardant, moisture-proof and anti-corrosion veneer on the thermal insulation cotton.

[0026] The vapor barrier layer 8 and the waterproof breathable membrane 2 used in the above-mentioned utility model are both flash-steamed high-density spunbonded polyethylene non-woven fabrics, which can achieve better vapor barrier and waterproof functions.

[0027] like Figure 2 As shown, the structural layers of the wall system from inside to outside are:

[0028] a. The inner corrugated steel plate is fixed to the purlin with self-tapping screws. The nail spacing is ≤200mm. The contact surface between the corrugated steel plate and the nails is required to be painted and degreased. This layer also serves as a shield.

[0029] b. Flash-steamed high-density spunbond polyethylene non-woven fabric vapor barrier, with an overlap width of not less than 100mm, bonded and sealed with special acrylic tape;

[0030] c. Fiber reinforced silicate board;

[0031] d. Vertical keel, perpendicular to the horizontal main purlin of the wall, used to fix the silicate board;

[0032] e. Rock wool insulation is laid in two layers with staggered joints. The thickness must meet the insulation requirements according to thermal engineering calculations. W58 flame-retardant moisture-proof and anti-corrosion veneer is installed on both sides of the rock wool facing indoors and outdoors;

[0033] f. For the horizontal main purlins on the wall, glue full-length polyurethane thermal insulation gaskets on the side facing the outside of the room;

[0034] g. Vertical keels, perpendicular to the horizontal main purlins of the wall, used to fix the silicate board;

[0035] h. Fiber reinforced silicate board;

[0036] i. Flash-steamed high-density spunbond polyethylene non-woven waterproof and breathable membrane, with an overlap width of not less than 100mm, bonded with special acrylic tape;

[0037] j. External corrugated steel sheet.

[0038] like Figure 1 、 Figure 2 As shown, the specific assembly steps are as follows:

[0039] After the main structure and the transverse main purlins on the wall are installed, the vertical keels (i.e. vertical secondary purlins) are installed on the inner side of the transverse main purlins on the wall. The spacing between the vertical keels is determined according to the specifications of the fiber reinforced silicate board.

[0040] After the vertical keels on the inner side of the wall are installed, the inner layer of fiber-reinforced silicate board is installed.

[0041] Lay flash-steamed high-density spunbond polyethylene non-woven fabric on the inner side of the fiber-reinforced silicate board with an overlap width of not less than 100mm, and use special acrylic tape for bonding and sealing; at the same time, use self-tapping nails to fix the inner laminated steel plate to the main horizontal purlins of the wall, with a nail spacing of ≤200mm, and the contact surface between the inner laminated steel plate and the nails must be paint-removed and degreased.

[0042] From the outside of the wall, paste the thermal insulation gasket 7 on the main transverse purlin of the wall along its entire length.

[0043] Double layers of rock wool are filled between the vertical studs from the outside of the wall, and then fiber-reinforced silicate boards are installed.

[0044] A flash-steamed high-density spunbond polyethylene non-woven waterproof and breathable membrane is laid on the outside of the fiber-reinforced silicate board, with an overlap width of not less than 100mm, and is bonded and sealed with a special acrylic tape; at the same time, the outer laminated steel plate is fixed to the transverse main purlin of the wall with self-tapping nails, with a nail spacing of ≤200mm.

[0045] The functional systems of this utility model are described in detail as follows:

[0046] In order to realize the electromagnetic shielding function of the utility model, the contact surface between the inner corrugated steel plate and the self-tapping screws is depainted and degreased, and then connected to the roof purlin and steel structure and grounded, which can effectively prevent external electromagnetic waves from penetrating into the interior of the building; the eaves are made of steel plates of the same material as the corrugated steel plates as the edge plates, and overlapped with the corrugated steel plates by more than 200mm to ensure the conductive performance; the inner corrugated steel plates should be a whole plate with no overlap in the length direction.

[0047] To achieve the airtightness and wind-resistant performance of this utility model, the wall panels are equipped with dense fixings at the eaves, gables, terrace walls, and around door and window openings to further improve the wall panels' wind resistance. In addition, these areas are sealed to prevent wind and dust from penetrating.

[0048] In order to achieve the waterproof performance of the utility model, the outer corrugated steel plate has no overlap in the length direction, and special nodes are adopted in the eaves, gables, terrace walls and around door and window openings to ensure that the waterproof performance of the entire wall meets the requirements.

[0049] In order to achieve the fireproof performance of the utility model, the materials in the structural layer should all be Class A non-combustible materials. In addition, the double-layer fiber-reinforced silicate board serves as a special fireproof layer to play a flame retardant role.

[0050] In order to achieve the thermal insulation and sound insulation functions of the utility model, double-layer rock wool is laid in two layers with staggered joints. The rock wool should meet the standard of GB / T25975 "Rock wool products for external insulation of building exterior walls"; W58 flame-retardant moisture-proof and anti-corrosion veneer is provided on both sides of the rock wool near the indoor and outdoor sides; a full-length thermal insulation gasket is provided between the outer laminated steel plate of the wall and the horizontal main purlin.

[0051] The fastener 10 is a self-tapping screw made of carbon steel with a galvanized passivation or stainless steel surface treatment. A closed-cell aluminum blind rivet is used. To address sealing issues when using aluminum alloy rivets on pre-painted steel components, a sealing gasket with excellent aging resistance is installed on the rivet.

[0052] Any matters not described in the present invention are applicable to the prior art.

[0053] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A metal wall system with electromagnetic shielding function, characterized in that: The system comprises a transverse main purlin (6) on the wall and a vertical keel (5) vertically fixed on the upper and lower end surfaces of the transverse main purlin (6) on the wall, and a fire-retardant board (3) is provided on both sides of the transverse main purlin (6). A waterproof breathable membrane (2) is laid on the outer side of the fire-retardant board (3) on one side, and a vapor barrier layer (8) is laid on the outer side of the fire-retardant board on the other side. The outdoor side of the waterproof breathable membrane (2) is An outer laminated profiled steel plate (1) is laid on the inner side of the vapor barrier (8), and an inner laminated profiled steel plate (9) is laid on the indoor side of the vapor barrier (8). The inner laminated profiled steel plate (9) and the outer laminated profiled steel plate (1) are fixedly connected to the transverse main purlin (6) of the wall surface through fastening connectors (10), and the contact surface between the fastening connector (10) and the inner laminated profiled steel plate (9) is depainted and degreased; and thermal insulation cotton (4) is filled between the two layers of the fire retardant panels (3).

2. The metal wall system with electromagnetic shielding function according to claim 1, characterized in that: A full-length heat-insulating gasket (7) is provided on the side of the wall transverse main purlin (6) facing the outside.

3. The metal wall system with electromagnetic shielding function according to claim 2, characterized in that: The fireproof and flame-retardant board (3) is a fiber-reinforced silicate board.

4. The metal wall system with electromagnetic shielding function according to claim 2, characterized in that: The thermal insulation cotton (4) is rock wool, which is provided in two layers, and the two layers of thermal insulation cotton (4) are laid in a staggered manner.

5. The metal wall system with electromagnetic shielding function according to claim 4, characterized in that: Both layers of the thermal insulation cotton (4) are provided with W58 flame retardant moisture-proof and corrosion-resistant veneer.

6. The metal wall system with electromagnetic shielding function according to any one of claims 1 to 5, characterized in that: The vapor barrier layer (8) and the waterproof breathable membrane (2) are both flash-steamed high-density spunbonded polyethylene non-woven fabrics.

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