Lightning protection system for aluminum-magnesium-manganese upright lockrand metal roof

Abstract

A lightning protection system for an aluminum-magnesium-manganese upright lockrand metal roof comprises a lightning protection copper strip and a Z-shaped metal guide sheet, and is characterized in that the lightning protection copper strip is fixed on a secondary purlin and a purlin support; one end of the Z-shaped metal guide piece is installed on the aluminum alloy support, the other end of the Z-shaped metal guide piece is fixed to the secondary purline, the conductive effect from the aluminum alloy support to the secondary purline is guaranteed, the lightning protection folding piece is covered with the cut TPO waterproof roll, and water leakage is prevented. The lightning protection system for the aluminum-magnesium-manganese upright lockrand metal roof has the advantages that during installation of the secondary purlins of the roof, the lightning protection copper strips are installed between the secondary purlins and the purlin supports, and the conductive metal blocks are installed on the aluminum alloy supports of the roof panels, so that a large conductive section is formed, the conductive effect is enhanced, and the service life of the roof is prolonged. The problems of time-consuming, labor-consuming and high-cost lightning protection measures of frequent lightning protection construction are solved, and the lightning protection requirement is effectively ensured.

Description

Technical Field

[0001] The invention relates to a lightning protection system, in particular to a lightning protection system for aluminum-magnesium-manganese standing seam metal roofs. Background Art

[0002] Large structures like exhibition halls require a certain level of lightning protection. While various designs exist, some are time-consuming and labor-intensive, resulting in high costs. In areas prone to frequent thunderstorms, lightning protection is often less effective. When it comes to metal roofs, which require high electrical conductivity, most lightning protection methods either fail to meet these requirements or require costly and inefficient methods to ensure adequate lightning protection.

[0003] Therefore, the known lightning protection methods have the above-mentioned inconveniences and problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a safe and reliable lightning protection system for aluminum-magnesium-manganese standing seam metal roofs.

[0005] To achieve the above objectives, the technical solution of the present invention is: 1. A lightning protection system for aluminum-magnesium-manganese standing seam metal roof, comprising a lightning protection copper strip and a Z-shaped metal guide, characterized in that: The lightning protection copper strip is fixed on the secondary purlin and the purlin support; One end of the Z-shaped metal guide is installed on the aluminum alloy support, and the other end is fixed on the secondary purlin to ensure the conductive effect from the aluminum alloy support to the secondary purlin. The lightning protection fold is covered with a cut TPO waterproof membrane to prevent water leakage.

[0006] The aluminum-magnesium-manganese standing seam metal roof lightning protection system of the present invention can be further implemented by adopting the following technical measures.

[0007] The aforementioned aluminum-magnesium-manganese standing seam metal roof lightning protection system, wherein the lightning protection copper tape has a cross-section of not less than 80mm 2 .

[0008] The aforementioned aluminum-magnesium-manganese standing seam metal roof lightning protection system, wherein the aluminum alloy support is a high-strength aluminum alloy fixed support, 60 mm high, and anodized.

[0009] The aforementioned aluminum-magnesium-manganese standing seam metal roof lightning protection system, wherein the waterproof membrane is a 1.5 mm thick waterproof membrane.

[0010] After adopting the above technical solution, the aluminum-magnesium-manganese standing seam metal roof lightning protection system of the present invention has the following advantages: 1. During the installation of the secondary purlins on the roof, lightning protection copper strips are installed between the secondary purlins and the purlin supports, and conductive metal blocks are installed on the aluminum alloy supports of the roof panels to form a large conductive cross-section and enhance the conductive effect; 2. It solves the time-consuming, labor-intensive and costly lightning protection measures of conventional lightning protection construction, and effectively guarantees the lightning protection requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 Schematic diagram of the lightning protection system structure according to an embodiment of the present invention.

[0012] In the picture: 1 aluminum alloy lightning protection T-type connecting code, 2 wiring copper terminal, 3 support, 4 self-tapping screw, 5 lightning rod, 6 waterproof membrane, 7 lightning protection copper strip, 8 main purlin. DETAILED DESCRIPTION

[0013] The present invention will be further described below with reference to the embodiments and the accompanying drawings.

[0014] Example 1 Please refer to Figure 1 The setting principle of the aluminum-magnesium-manganese standing seam metal roof lightning protection system of the present invention is as follows: 1. The structural layers of the metal roof system from outdoor to indoor are as follows: roofing layer, waterproof layer, secondary purlin, insulation layer, sound absorption layer, vapor barrier layer, aluminum-zinc corrugated steel bottom plate, main purlin 8, and main steel structure.

[0015] 2. According to the "Building Lightning Protection Design Code," there must be no flammable materials beneath the metal roof panels, and the panels must be at least 0.5mm thick. The metal panels must not have an insulating coating, and the roof panels can serve as lightning arresters. Curtain wall lightning protection design is based on the "Building Lightning Protection Design Code" GB50057-2010.

[0016] 3. The roof lightning protection down conductor points are distributed in a grid no larger than 5Mx5M. At each lightning protection down conductor position on the metal roof, that is, the intersection of the lightning protection grid, the insulation pad under the fixing seat should be removed to ensure that the current can be conducted from the roof to the main steel structure and the grounding point.

[0017] 4. Lightning protection copper strip is used between the fixing seat and the main purlin, with a cross-sectional area of not less than 80mm 2 .

[0018] 5. Schematic diagram of current guidance: lightning - roof panel - fixing seat - lightning protection lead - purlin - steel structure - grounding point.

[0019] The roof of the present invention is composed of the following components from top to bottom: roofing layer: 0.9mm thick aluminum-magnesium-manganese standing seam roofing board 65 / 400 (base material thickness 0.9mm, surface fluorocarbon spraying); waterproof layer: 1.5mm thick TPO waterproof membrane (reinforced); supporting purlins: 80x60x4mm steel tubes (hot-dip galvanized, large area @1200mm, edge area @≤800mm); insulation layer: 2 layers of 50mm thick rock wool, bulk density 160kg / m 3 , single-sided aluminum foil (cross-laid, level with the purlin); sound absorption layer: 30mm thick (5mm after compression) glass fiber sound-absorbing cotton, bulk density 32kg / m 3 ; Vapor barrier: 0.3mm thick PE vapor barrier and moisture-proof membrane; Base plate: 0.8mm thick YX70-200-600 aluminum-zinc perforated corrugated steel plate (base material thickness 0.8mm, surface PE polyester spray treatment).

[0020] Material requirements for the aluminum-magnesium-manganese standing seam metal roof lightning protection system of the present invention: 1. Lightning protection copper tape (cross-section not less than 80mm).

[0021] 2. 4mm thick Z-shaped galvanized steel folding piece (lightning rod), 60mm long.

[0022] 3. S5.5*30 self-tapping screws 4 (remove the gasket).

[0023] 4. 1.5mm thick TPO waterproof membrane.

[0024] 5. High-strength aluminum alloy fixed support (L=60mm, 6061-T6, anodized).

[0025] 6. 0.9mm thick aluminum-magnesium-manganese standing seam roof panels.

[0026] The process flow of the aluminum-magnesium-manganese standing seam metal roof lightning protection system of the present invention is as follows: Measure and lay out → Install lightning protection copper tape → Install aluminum alloy supports → Install conductive lightning protection folding parts → Cover lightning protection folding parts with TPO → Install roof panels.

[0027] The installation method of the aluminum-magnesium-manganese standing seam metal roof lightning protection system of the present invention: 1. Measurement and layout According to the position of the lightning protection system in the design drawings, professional surveyors will locate and lay out the lightning protection installation points and take positioning control measures.

[0028] 2. Install lightning protection copper tape Fix the lightning protection copper tape on the secondary purlin and purlin support, and complete the hidden acceptance.

[0029] 3. Install aluminum alloy supports Complete the installation of the aluminum alloy support 3 according to the design drawings.

[0030] 4. Install a lightning rod Use self-tapping screws to fix one end of the lightning rod to the aluminum alloy support, and the other end to the secondary purlin. After completing the hidden acceptance, use the cut TPO waterproof membrane to cover the lightning rod fold to prevent water leakage.

[0031] 5. Install roof panels After the installation of the aluminum alloy supports and lightning protection components is completed, the aluminum-magnesium-manganese roof panels are installed and snapped onto the aluminum alloy supports.

[0032] The present invention has substantial characteristics and significant technological progress. Compared with the traditional method of installing lightning protection plates under aluminum alloy supports, the aluminum-magnesium-manganese standing seam metal roof lightning protection system of the present invention effectively solves the problem of poor lightning protection effect in areas prone to thunderstorms, ensures the stability of lightning protection after installation and reinforcement, and the dimensions and specifications of the lightning protection copper strips and lightning protection folding parts meet the requirements of the specifications, have better conductive effect, are convenient to construct, shorten construction time, and are conducive to construction period control.

[0033] The aluminum-magnesium-manganese standing seam metal roof lightning protection system of the present invention was used in the roofing project of Hall 7 of the Guangzhou Convention and Exhibition Center project. Lightning protection copper strips were installed between the secondary purlins and the purlin supports, and conductive metal blocks were installed on the aluminum alloy supports of the roof panels, thereby forming a large conductive cross-section and enhancing the conductive effect, with significant results.

[0034] The above embodiments are intended to illustrate the present invention only and are not intended to limit the present invention. Persons skilled in the art may make various modifications or variations without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions are intended to fall within the scope of the present invention and are defined by the claims.

Claims

1. A lightning protection system for aluminum-magnesium-manganese standing seam metal roof, comprising a lightning protection copper strip and a Z-shaped metal guide, characterized in that: The lightning protection copper strip is fixed on the secondary purlin and the purlin support; One end of the Z-shaped metal guide is installed on the aluminum alloy support, and the other end is fixed on the secondary purlin to ensure the conductive effect from the aluminum alloy support to the secondary purlin. The lightning protection fold is covered with a cut TPO waterproof membrane to prevent water leakage.

2. The aluminum-magnesium-manganese standing seam metal roof lightning protection system according to claim 1, characterized in that: The cross-section of the lightning protection copper tape is not less than 80mm 2 .

3. The lightning protection system for aluminum-magnesium-manganese standing seam metal roof according to claim 1, characterized in that: The aluminum alloy support is a high-strength aluminum alloy fixed support, 60 mm high, and is anodized.

4. The lightning protection system for aluminum-magnesium-manganese standing seam metal roof according to claim 1, characterized in that: The waterproof roll is 1.5 mm thick.

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