Lightning protection metal roof structure

Abstract

The invention discloses a lightning protection metal roof structure which comprises a roof purline, a roof waterproof roll located on the roof purline and a metal roof board located on the roof waterproof roll. The metal roof panel is fixed on the roof purline through a fixing seat of a roof panel rib, and a lightning conductor structure is connected between the fixing seat and the roof purline; the lightning conductor structure comprises an upper-section lightning conductor located on a roof waterproof coiled material, a lower-section lightning conductor located below the roof waterproof coiled material and a conversion piece arranged on the roof waterproof coiled material in a penetrating mode, and the upper-section lightning conductor and the lower-section lightning conductor are connected through the conversion piece, so that punching on the upper surface of a roof board is avoided; lossless installation is guaranteed, damage to a waterproof layer of the roof panel is effectively avoided, and therefore the requirement for lightning protection and grounding of the metal roof is met, and meanwhile the waterproof requirement of the metal roof structure is met.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a lightning protection metal roof structure. Background Art

[0002] With the rapid development of the times, many large buildings such as high-speed railway stations, stadiums, airports, etc. use metal panels as roof panels. Metal roof panels make the buildings unique in shape, beautiful, corrosion-resistant, heat-insulating, sound-insulating, flame-retardant, and have a short construction period. At the same time, they can prevent the weak current system in the building from being interfered by external signals, so they are widely used. However, metal roof panels are easily struck by lightning, and their lightning protection requirements are higher than those of ordinary buildings. At the same time, they must meet the waterproof function of the roof panels. The installation of traditional lightning protection systems will cause perforation of the roof panels, which will have a certain adverse effect on the waterproof function. Summary of the invention

[0003] In view of the above problems, the present invention discloses a lightning protection metal roof structure to overcome the problem that the traditional lightning protection metal roof structure may cause perforation of the roof panel when installing a lightning protection system, and the roof panel cannot meet the waterproof function.

[0004] A lightning protection metal roof structure, comprising a roof purlin, a roof waterproofing coiled material located above the roof purlin, and a metal roof panel located above the roof waterproofing coiled material;

[0005] The metal roof panel is fixed on the roof purlin through a fixing seat of the roof panel rib, and a lightning protection wire structure is connected between the fixing seat and the roof purlin;

[0006] The lightning conductor structure includes an upper lightning conductor located above the roof waterproofing membrane, a lower lightning conductor located below the roof waterproofing membrane, and a conversion member passed through the roof waterproofing membrane, and the upper lightning conductor and the lower lightning conductor are connected via the conversion member.

[0007] In some of the embodiments, one end of the upper lightning conductor is fixedly connected to the fixing seat, the other end of the upper lightning conductor is connected to the upper part of the conversion member, one end of the lower lightning conductor is connected to the lower part of the conversion member, and the other end of the lower lightning conductor is connected to the side wall of the roof purlin.

[0008] In some of the embodiments, one end of the upper lightning conductor is fixedly connected to the fixing seat by self-tapping screws, and the other end of the lower lightning conductor is fixedly connected to the side wall of the roof purlin by self-tapping screws.

[0009] In some of the embodiments, the conversion member includes a screw and a nut, and the screw sequentially passes through the lower lightning conductor, the roof waterproofing membrane and the upper lightning conductor and is fastened to the nut.

[0010] In some of the embodiments, a gasket is provided between the nut and the upper lightning conductor and between the head of the screw and the lower lightning conductor.

[0011] In some of the embodiments, sealant is applied at the position where the conversion member contacts the roof waterproof membrane.

[0012] In some embodiments, the sealant is a silicone weather-resistant sealant.

[0013] In some embodiments, the upper lightning conductor and the lower lightning conductor are both copper stranded wires.

[0014] In some embodiments, the roofing waterproofing membrane is a TPO waterproofing membrane.

[0015] In some embodiments, the roof structure includes a plurality of the lightning protection wire structures, and the distance between adjacent lightning protection wire structures is less than 10 m.

[0016] Compared with the prior art, the above invention has at least one of the following advantages or beneficial effects:

[0017] 1. The lightning protection metal roof structure disclosed in the present invention avoids drilling holes on the upper surface of the roof panel, ensures lossless installation, and effectively avoids damage to the waterproof layer of the roof panel. Therefore, while meeting the requirements of the metal roof lightning protection grounding, it also meets the waterproof requirements of the metal roof structure, conforms to the development concept of modern architecture, and can be widely used in the installation of various metal roof lightning protection systems.

[0018] 2. The lightning protection metal roof structure disclosed in the present invention has a simple lightning protection system structure and is easy to install, which improves work efficiency and reduces labor costs. The materials are easy to purchase, which is conducive to saving construction time and environmentally friendly construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention and its features, appearance and advantages will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings. The same reference numerals indicate the same parts in all the drawings. The drawings are not drawn to scale, and emphasis is placed on illustrating the subject matter of the present invention.

[0020] Figure 1 It is an elevation view of the metal roof structure used for lightning protection in this embodiment.

[0021] Figure 2 is a cross-sectional view of a metal roof structure for lightning protection in this embodiment;

[0022] Among them, 1 is the metal roof panel; 2 is the fixing seat; 3 is the waterproof membrane; 4 is the roof purlin; 5 is the upper lightning conductor; 6 is the lower lightning conductor; 7 is the conversion part; 8 is lightning; 9 is the steel purlin; 10 is the conductive path. DETAILED DESCRIPTION

[0023] The present invention is further described below with reference to the accompanying drawings and specific embodiments, but is not intended to be a limitation of the present invention.

[0024] like Figure 1 and 2 As shown, the present invention discloses a lightning protection metal roof structure. Specifically, the lightning protection metal roof structure includes a roof purlin 4, a roof waterproofing membrane 3 located above the roof purlin 4, and a metal roof panel 1 located above the roof waterproofing membrane 3; the metal roof panel 1 is fixed on the roof purlin 4 through a fixing seat 2 of a roof panel rib, and a lightning conductor structure is connected between the fixing seat 2 and the roof purlin 4; the lightning conductor structure includes an upper lightning conductor 5 located above the roof waterproofing membrane 3, a lower lightning conductor 6 located below the roof waterproofing membrane 3, and a conversion member 7 penetrated through the roof waterproofing membrane 3, and the upper lightning conductor 5 and the lower lightning conductor 6 are connected through the conversion member 7, the upper lightning conductor 5 and the lower lightning conductor 6 are both copper stranded wires, and the roof waterproofing membrane 3 is a TPO waterproofing membrane; the metal roof structure includes a plurality of lightning conductor structures, and the spacing between adjacent lightning conductor structures is less than 10m.

[0025] Specifically, the upper lightning conductor 5 is located between the metal roof panel and the roof waterproofing membrane 3, and one end of the upper lightning conductor 5 is fixedly connected to the fixing seat 2, and the other end of the upper lightning conductor 5 is connected to the upper part of the conversion member 7, and the lower lightning conductor 6 is located between the roof waterproofing membrane 3 and the roof purlin 4, one end of the lower lightning conductor 6 is connected to the lower part of the conversion member 7, and the other end of the lower lightning conductor 6 is connected to the side wall of the roof purlin 4; and one end of the upper lightning conductor 5 is fixedly connected to the fixing seat 2 by self-tapping screws (that is, one end of the upper lightning conductor 5 is driven by self-tapping screws to the lower part of the fixing seat 2 fixed at intervals at the roof panel rib), and the other end of the lower lightning conductor 6 is fixedly connected to the side wall of the roof purlin 4 by self-tapping screws (that is, the other end of the lower lightning conductor 6 is driven by self-tapping screws to the side wall of the roof purlin 4). The conversion member 7 includes a screw and a nut, the screw sequentially passes through the lower lightning conductor 6, the roof waterproofing membrane 3 and the upper lightning conductor 5 and is fastened to the nut, and a gasket is provided between the nut and the upper lightning conductor 5 and between the head of the screw and the lower lightning conductor 6 to press and fix the upper lightning conductor 5 and the lower lightning conductor 6 on the roof waterproofing membrane 3. The position where the conversion member 7 contacts the roof waterproofing membrane 3 is coated with silicone weatherproof sealant; that is, after the lightning conductor structure is installed, silicone weatherproof sealant can be applied around the contact between the conversion member 7 and the roof waterproofing membrane 3 to further improve the waterproof performance.

[0026] When in use, when lightning 8 strikes, the metal roof panel 1 acts as a lightning arrester, and the lightning Figure 2 The conductive path 10 in the steel purlin 9 enters the steel purlin 9 and is then grounded through the steel grid.

[0027] In summary, the lightning protection metal roof structure of the present invention forms a set of lightning protection system by arranging a lightning protection wire structure on the fixing seat of the roof panel rib and connecting the two sections of lightning protection wires above and below the roof waterproofing coiled material through a conversion piece, which not only plays the role of lightning protection grounding, but also avoids the hidden danger of water leakage caused by penetrating the roof panel, thereby effectively solving the problem of fixing the roof lightning protection belt, avoiding drilling holes on the roof panel, and ensuring lossless installation. The method is simple to install, the materials are easy to obtain, the construction is convenient, the scope of application is wide, and it is easy to promote.

[0028] Those skilled in the art should understand that those skilled in the art can implement variations by combining the prior art and the above embodiments, which will not be described in detail here. Such variations do not affect the essential content of the present invention, and will not be described in detail here.

[0029] The above describes the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the above-mentioned specific embodiments, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can use the above-disclosed methods and technical contents to make many possible changes and modifications to the technical solutions of the present invention without departing from the scope of the technical solutions of the present invention, or modify them into equivalent embodiments of equivalent changes, which does not affect the essential content of the present invention. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solutions of the present invention are still within the scope of protection of the technical solutions of the present invention.

Claims

1. A lightning protection metal roof structure, characterized in that: It includes a roof purlin, a roof waterproofing membrane located on the roof purlin, and a metal roof panel located on the roof waterproofing membrane; The metal roof panel is fixed on the roof purlin through a fixing seat of the roof panel rib, and a lightning protection wire structure is connected between the fixing seat and the roof purlin; The lightning conductor structure includes an upper lightning conductor located above the roof waterproofing membrane, a lower lightning conductor located below the roof waterproofing membrane, and a conversion member passed through the roof waterproofing membrane, and the upper lightning conductor and the lower lightning conductor are connected via the conversion member.

2. The lightning protection metal roof structure according to claim 1, characterized in that: One end of the upper lightning conductor is fixedly connected to the fixing seat, the other end of the upper lightning conductor is connected to the upper part of the conversion member, one end of the lower lightning conductor is connected to the lower part of the conversion member, and the other end of the lower lightning conductor is connected to the side wall of the roof purlin.

3. The lightning protection metal roof structure according to claim 2, characterized in that: One end of the upper lightning conductor is fixedly connected to the fixing seat by self-tapping screws, and the other end of the lower lightning conductor is fixedly connected to the side wall of the roof purlin by self-tapping screws.

4. The lightning protection metal roof structure according to claim 1, characterized in that: The conversion member comprises a screw and a nut. The screw sequentially passes through the lower lightning conductor, the roof waterproofing membrane and the upper lightning conductor and is fastened to the nut.

5. The lightning protection metal roof structure according to claim 4, characterized in that: Gaskets are arranged between the nut and the upper lightning conductor and between the head of the screw and the lower lightning conductor.

6. The lightning protection metal roof structure according to claim 1, characterized in that: Sealant is applied at the position where the conversion piece contacts the roof waterproofing membrane.

7. The lightning protection metal roof structure according to claim 6, characterized in that: The sealant is a silicone weather-resistant sealant.

8. The lightning protection metal roof structure according to claim 1, characterized in that: The upper lightning conductor and the lower lightning conductor are both copper stranded wires.

9. The lightning protection metal roof structure according to claim 1, characterized in that: The roof waterproofing membrane is a TPO waterproofing membrane.

10. The lightning protection metal roof structure according to claim 1, characterized in that: The metal roof structure includes a plurality of lightning protection wire structures, and the spacing between adjacent lightning protection wire structures is less than 10m.

Images