Roof construction method with a snap-fit panel structur
The interlocking assembly method with thermal insulation and sound-absorbing materials facilitates quick, sturdy, and leak-proof roof construction by employing a series of panel fixing and joining steps, overcoming the inefficiencies and vulnerabilities of traditional tile-based construction.
Patent Information
- Authority / Receiving Office
- KR · KR
- Patent Type
- Applications
- Current Assignee / Owner
- AGM CO LTD
- Filing Date
- 2025-01-14
- Publication Date
- 2026-07-21
AI Technical Summary
Conventional roof construction methods involving sequential laying of tiles from the eaves to the ridge are time-consuming, labor-intensive, and prone to leakage if a single tile is damaged, lacking secure fixation.
A method comprising pretreatment, panel fixing bar construction, bottom and central roof panel fixing and joining steps, top roof panel insertion and fixing, and ridge fitting, using interlocking assembly with thermal insulation and sound-absorbing materials, ensuring quick, sturdy, and leak-proof construction.
Enables rapid, robust, and leak-proof roof construction by employing an interlocking assembly with thermal insulation and sound-absorbing materials, addressing the inefficiencies and vulnerabilities of traditional methods.
Smart Images
Figure PAT00001_ABST
Abstract
Description
Technology Field
[0001] The present invention relates to an interlocking assembly type roof panel equipped with thermal insulation and sound-absorbing materials and a construction method. More specifically, the invention relates to an interlocking assembly type roof panel equipped with thermal insulation and sound-absorbing materials and a construction method, comprising: a bottom roof panel fixing construction step in which a male part of the roof panel is coupled to an upper female part of a roof panel fixing bar fixed through a panel fixing bar construction step; a bottom roof panel side coupling step and a bottom roof panel upper fixing step in which the bottom roof panel is constructed; a central roof panel is constructed through a central roof panel lower coupling step, a central roof panel side coupling step and a central roof panel upper fixing step; a top roof panel is constructed through a top roof panel interlocking construction step, a top roof panel side coupling step and a top roof panel upper fixing step; and a construction step comprising interlocking and coupling the top female part of the top roof panel. The purpose is to enable the construction of a roof that is quick, easy, sturdy, and leak-proof on the roof of a building by constructing the ridge through the ridge fitting joint step. Background Technology
[0003] Generally, the roof is located at the top of a building to prevent rainwater from entering the interior, provide heat insulation, and protect the building.
[0005] The roof described above is constructed by assembling tiles made of stone or metal.
[0007] This roof construction method involves laying tiles sequentially from the eaves to the ridge of the roof.
[0009] However, the conventional roof construction method described above involves laying tiles sequentially from the eaves to the ridge of the roof, which requires a lot of time and labor costs for construction, does not provide secure fixation, and if a single tile is damaged, leakage occurs and it is difficult to find. Prior art literature
[0011] Republic of Korea Patent No. 10-2019-0085722 The problem to be solved
[0012] Accordingly, the present invention aims to solve the problems of the conventional roof construction method described above, which involves laying tiles sequentially from the eaves to the ridge of the roof, resulting in a long construction time and high labor costs, lack of secure fixation, and the occurrence of leakage if a single tile is damaged, which cannot be easily detected. means of solving the problem
[0014] That is, the present invention relates to a method for constructing a roof panel, comprising: a pretreatment step of removing moisture and contaminants from the building roof to prepare the floor surface of the building roof; a panel fixing bar construction step comprising a step of fixing a roof panel fixing bar having a female fitting portion on the eave side of the roof to the roof; a bottom roof panel fixing construction step comprising a step of constructing by inserting and joining the female fitting portion of a roof panel, having a male fitting portion at the bottom and a female fitting portion at the top, to the upper female fitting portion of the roof panel fixing bar fixed through the panel fixing bar construction step; a bottom roof panel side joining step comprising a step of constructing by inserting and joining the lower male fitting portion of a roof panel, which is continuously constructed along the side of the roof panel constructed through the bottom roof panel fixing construction step, to the female fitting portion of the roof panel fixing bar, and connecting and joining to the previously constructed roof panel by a side waterproofing joining plate; and the bottom roof panel fixing construction step. A bottom roof panel upper fixing step comprising the step of fixing the top of the roof panel installed on the roof to the roof by driving a fastener into the top of the roof panel installed on the roof through the bottom roof panel side joining step; a central roof panel lower joining step comprising the step of installing by inserting and joining the bottom male fitting of the roof panel to the top female fitting of the roof panel fixed through the bottom roof panel upper fixing step; a central roof panel side joining step comprising the step of installing by inserting and joining the bottom male fitting of the roof panel, which is continuously installed along the side of the roof panel installed through the central roof panel lower joining step, to the top female fitting of the roof panel, and connecting and joining it to the previously installed roof panel by means of a side cutoff joining plate; a central roof panel upper fixing step comprising the step of fixing the top of the roof panel installed on the roof to the roof by driving a fastener into the top of the roof panel installed on the roof through the central roof panel lower joining step and the central roof panel side joining step; and through the central roof panel upper fixing step The uppermost roof panel installation step, consisting of the step of installing by fitting the lower male part of the roof panel into the upper female part of the fixed roof panel.The uppermost roof panel side joining step comprises a step of connecting the lower male fitting of a roof panel, which is continuously installed along the side of the roof panel installed through the uppermost roof panel installation step, to the upper female fitting of the roof panel, and connecting it to the previously installed roof panel by means of a side waterproofing joining plate; the uppermost roof panel upper fixing step comprises a step of fixing the upper part of the roof panel installed on the roof through the uppermost roof panel installation step and the uppermost roof panel side joining step by driving a fastener into the upper part of the roof panel to fix the upper part of the roof panel to the roof; the ridge fitting joining step comprises a step of connecting the male fitting of the ridge, which is bent in an arc shape and has male fittings at both lower ends, to the upper female fitting of the uppermost roof panel installed through the uppermost roof panel upper fixing step, to the upper female fitting of the ridge panel installed through the uppermost roof panel installation step; and the step of installing panel side covers for finishing on the exposed sides of the roof panels located on both sides of the panel roof installed through the above steps. It is characterized by being composed of a panel side cover assembly step. Effects of the invention
[0017] Accordingly, the present invention has the effect of enabling the construction of a roof that is quick, easy, sturdy, and leak-proof on the roof of a building by constructing a roof that is fast, easy, sturdy, and leak-proof, through a bottom roof panel fixing construction step in which the top female fitting of a roof panel is joined to the top female fitting of a roof panel fixed through a panel fixing bar construction step, a bottom roof panel side joining step and a bottom roof panel top fixing step in which the bottom roof panel is constructed, a center roof panel is constructed through a center roof panel bottom joining step, a center roof panel side joining step and a center roof panel top fixing step, a top roof panel is constructed through a top roof panel fitting construction step, a top roof panel side joining step and a top roof panel top fixing step, and a ridge fitting joining step in which the top roof panel is fitted and joined to the top female fitting of the top roof panel. Brief explanation of the drawing
[0019] FIG. 1 is a process flow diagram according to an embodiment of the present invention. FIG. 2 is an example diagram of a panel fixing bar construction step according to an embodiment of the present invention. FIG. 3 is an example diagram of the bottom roof panel fixing construction step according to an embodiment of the present invention. FIG. 4 is an example diagram of the bottom roof panel side joining step according to an embodiment of the present invention. FIG. 5 is an example diagram of the upper fixing step of the lowest roof panel according to an embodiment of the present invention. FIG. 6 is an exemplary diagram of the lower central roof panel joining step according to an embodiment of the present invention. FIG. 7 is an exemplary diagram of the central roof panel side joining step according to an embodiment of the present invention. FIG. 8 is an example diagram of the uppermost roof panel fitting construction step according to an embodiment of the present invention. FIG. 9 is an exemplary diagram of the uppermost roof panel side joining step according to an embodiment of the present invention. FIG. 10 is an example diagram of the uppermost roof panel fixing step according to an embodiment of the present invention. FIG. 11 is an exemplary diagram of a ridge fitting joint step according to an embodiment of the present invention. FIG. 12 is an example diagram of a panel side cover assembly step according to an embodiment of the present invention. FIG. 13 is a process flow diagram according to another embodiment of the present invention. Specific details for implementing the invention
[0020] The following is a detailed description based on the attached drawings.
[0021] The present invention enables the construction of a roof on a building that is quick, easy, sturdy, and leak-proof. The terms and words used in this specification and claims should not be interpreted as being limited to their ordinary or dictionary meanings, and should be interpreted in a meaning and concept consistent with the technical spirit of the invention, based on the principle that the inventor can appropriately define the concept of the terms to best describe his invention.
[0022] Therefore, the embodiments described in this specification and the configurations illustrated in the drawings are merely the most preferred embodiments of the present invention and do not represent all of the technical ideas of the present invention; thus, it should be understood that various equivalents and modifications that can replace them may exist at the time of filing this application.
[0024] That is, the present invention comprises a method for constructing a roof panel, comprising a pretreatment step (100), a panel fixing bar construction step (200), a bottom roof panel fixing construction step (310), a bottom roof panel side joining step (320), a bottom roof panel upper fixing step (330), a central roof panel lower joining step (410), a central roof panel side joining step (420), a central roof panel upper fixing step (430), a top roof panel insertion construction step (510), a top roof panel side joining step (520), a top roof panel upper fixing step (530), a ridge insertion joining step (600), and a panel side cover assembly step (700).
[0026] Here, the above pretreatment step (100) is to clean the floor surface of the building roof by removing moisture and contaminants from the building roof.
[0028] And, the above panel fixing bar construction step (200) consists of a step of fixing a roof panel fixing bar (20) having a female fitting part (12) on the eave side of the roof to the roof.
[0030] In addition, the lowermost roof panel fixing construction step (310) is a step of constructing by fitting the male part (11) of a roof panel (10), which has a male part (11) at the bottom and a female part (12) at the top, to the female part (21) of the roof panel fixing bar (20) fixed through the panel fixing bar construction step (200).
[0032] In addition, the bottom roof panel side joining step (320) is a step in which the bottom male fitting part (11) of the roof panel (10) that is continuously installed on the side of the roof panel (10) installed through the bottom roof panel fixing construction step (310) is inserted and joined to the female fitting part (21) of the roof panel fixing bar, and connected and joined to the previously installed roof panel (10) by means of a side sealing joining plate.
[0034] In addition, the above-mentioned bottom roof panel upper fixing step (330) is a step of fixing the top of the roof panel (10) to the roof by driving a fixing device into the top of the roof panel installed on the roof through the bottom roof panel fixing construction step (310) and the bottom roof panel side joining step (320).
[0036] In addition, the above central roof panel lower joining step (410) is a step of constructing by joining the lower male part (11) of the roof panel (10) to the upper female part (12) of the roof panel (10) fixed through the lowest roof panel upper fixing step (330).
[0038] In addition, the above central roof panel side joining step (420) is a step in which the lower male fitting part (11) of the roof panel (10), which is continuously constructed on the side of the roof panel (10) constructed through the central roof panel lower joining step (410), is inserted and joined to the upper female fitting part (12) of the roof panel (10), and connected and joined to the previously constructed roof panel (10) by means of a side sealing joining plate.
[0040] In addition, the above central roof panel upper fixing step (430) is a step of fixing the upper end of the roof panel (10) to the roof by driving a fixing device into the upper end of the roof panel (10) installed on the roof through the central roof panel lower joining step (410) and the central roof panel side joining step (420).
[0042] In addition, the uppermost roof panel insertion construction step (510) is a step of inserting and joining the lower male insertion part (11) of the roof panel (10) to the upper female insertion part (12) of the roof panel (10) fixed through the central roof panel upper fixing step (430).
[0044] In addition, the uppermost roof panel side joining step (520) is a step in which the lower male fitting part (11) of the roof panel (10), which is continuously installed on the side of the roof panel (10) installed through the uppermost roof panel fitting installation step (510), is fitted and joined to the upper female fitting part (12) of the roof panel (10), and connected and joined to the previously installed roof panel (10) by means of a side sealing joining plate.
[0046] In addition, the upper roof panel upper fixing step (530) is a step of fixing the upper part of the roof panel (10) to the roof by driving a fixing device into the upper part of the roof panel (10) installed on the roof through the upper roof panel insertion construction step (510) and the upper roof panel side joining step (520).
[0048] In addition, the ridge fitting joining step (600) is a step of constructing by fitting the male fitting part (31) of the ridge (30), which is bent into an arc shape and has male fitting parts (11) at both lower ends, into the upper female fitting part (12) of the upper roof panel (10) constructed through the upper roof panel upper fixing step (530).
[0049] In the above ridge fitting joining step (600), an elastic band binding step (610) in which the overlapping ends are bound with an elastic band can be additionally performed.
[0051] In addition, the above panel side cover assembly step (700) consists of a step of installing a panel side cover (40) for finishing on the exposed sides of the roof panels (10) located on both sides of the panel roof constructed through the steps.
[0053] In the implementation of the present invention, the panel fixing bar construction step (200) may further include a male fitting sealing part forming step (210) in which a sealing part is formed to block rainwater inflow after fastening with a female fitting part (12) to the male fitting part (11) of the roof panel (10) that is connected to the roof panel (10) before installing the roof panel (10) on the roof.
[0054] In addition, the sealing part formed in the above male fitting sealing part molding step can be implemented by applying a surface of silicone or rubber to the outer surface of the male fitting part (11) so as to be in close contact with the female fitting part (12), or by separately molding the sealing part and fitting it to the male fitting part (11).
[0056] Meanwhile, the roof panel (10) of the present invention is composed of a panel body (10a) formed in a plate shape, a sound-absorbing thermal insulation material (10b) attached to the lower surface of the panel body to provide thermal insulation and sound absorption, a male fitting part (11) formed by bending downward and then bending backward from the bottom to form a fitting assembly structure at the bottom of the panel body, a female fitting part (12) formed to be open downward from the upper surface of the panel body for fitting assembly with the male fitting part at the top of the panel body, a fixing protrusion part (12a) formed to protrude backward at the center of the panel body to fix the top of the roof panel by a fixing device, and a side sealing coupling plate (10c) formed in a plate shape to overlap the upper surface of a roof panel material that is side-connected without the male fitting part and female fitting part being formed on one side of the panel body for side connection.
[0057] On the female insertion side of the side cutoff coupling plate (10c) above, a fitting guide plate (12b) can be formed so that the female insertion side is guided to be fitted during the process of joining the side roof plate, and the upper inner surface of the female insertion part is formed at an angle from the end of the side cutoff coupling plate to the protruding end of the female insertion part.
[0059] The above male fitting part (11) is provided with an elastic assembly projection (11a) formed such that the end of the plate is bent 180° toward the bottom of the roof plate so that it can be elastically fitted into the female fitting part, and the end of the plate is formed to be spaced apart from the bottom surface of the male fitting part to have elastic force.
[0060] The upper surface of the panel body (10a) can be provided with a solar panel (50) to enable implementation.
[0061] In the assembly process of the above roof panel, a power line section (10d) with an insulating sound-absorbing material is formed on the lower surface of the panel body that overlaps the top of the roof panel to be assembled, and a power wiring (60) through which generated electricity is transmitted is provided on the inner surface of the power line section.
[0062] The above power generation wiring (60) can be implemented by overlapping the upper surface of the roof panel that is laterally connected to the lower end of the side-connecting plate to form a connecting surface connection terminal (61) that is connected to the power generation wiring of the side-connecting roof panel, and by winding around the opposite end of the side-connecting plate to form a connecting upper surface connection terminal (62) that is connected to the power generation wiring of the roof panel that is laterally connected and the panel power line (51) is connected to the upper surface.
[0064] In addition, the ridge (30) has a hemispherical ridge body (31) protruding upward and a male fitting part (32) formed on both sides of the ridge body, which is elastically fitted to the female fitting part (12) of the roof panel (10) to securely fasten the upper part of the roof panel (10).
[0065] The male fitting part (32) of the ridge (30) is formed by bending inward from the bottom.
[0066] In order to increase the elastic binding force of the roof panel (10) by the ridge (30) at the end side that overlaps downward according to the side connection of the ridge (30), an elastic band (33) having elasticity is provided and connected to the band binding hole (31a) formed on both lower sides of the ridge body (31).
[0068] The following describes the effects of the application of the present invention.
[0069] As described above, in the interlocking assembly type roof panel equipped with thermal insulation and sound-absorbing material and construction method, the method comprises: a pretreatment step (100) for cleaning the floor surface of the building roof by removing moisture and contaminants from the building roof; a panel fixing bar construction step (200) comprising a step of fixing a roof panel fixing bar having a female interlocking part (12) on the eave side of the roof to the roof; a bottom roof panel fixing construction step (310) comprising a step of installing a roof panel having a male interlocking part (11) on the bottom and a female interlocking part (12) on the top by interlocking the female interlocking part (12) of the roof panel fixing bar to the upper female interlocking part (12) of the roof panel fixing bar fixed through the panel fixing bar construction step (200); and a bottom of a roof panel that is continuously installed on the side of the roof panel installed through the bottom roof panel fixing construction step (310). The lowest roof panel side connection step (320) is constructed by connecting the male fitting part (11) to the female fitting part (12) of the roof panel fixing bar and connecting it to the previously constructed roof panel by means of a side sealing connection plate; the lowest roof panel upper fixing step (330) is constructed by fixing the upper part of the roof panel constructed on the roof through the lowest roof panel fixing construction step (310) and the lowest roof panel side connection step (320) by driving a fixing device into the upper part of the roof panel to fix the upper part of the roof panel to the roof; the central roof panel lower connection step (410) is constructed by connecting the lower male fitting part (11) of the roof panel to the upper female fitting part (12) of the roof panel fixed through the lowest roof panel upper fixing step (330); and the lower part of the roof panel constructed continuously along the side of the roof panel constructed through the central roof panel lower connection step (410). A central roof panel side joining step (420) comprising the step of joining the male fitting part (11) to the upper female fitting part (12) of the roof panel and connecting it to the previously constructed roof panel by means of a side sealing joining plate, and a central roof panel upper fixing step (430) comprising the step of fixing the upper part of the roof panel to the roof by driving a fixing device into the upper part of the roof panel constructed on the roof through the central roof panel lower joining step (410) and the central roof panel side joining step (420).A top roof panel insertion construction step (510) comprising the step of inserting and joining the bottom male part (11) of the roof panel to the top female part (12) of the roof panel fixed through the above-mentioned central roof panel upper fixing step (430); a top roof panel side joining step (520) comprising the step of inserting and joining the bottom male part (11) of the roof panel, which is continuously constructed along the side of the roof panel constructed through the above-mentioned top roof panel insertion construction step (510), to the top female part (12) of the roof panel, and connecting and joining it to the previously constructed roof panel by means of a side sealing joining plate; a top roof panel upper fixing step (530) comprising the step of fixing the top of the roof panel to the roof by driving a fixing device into the top of the roof panel constructed on the roof through the top roof panel insertion construction step (510) and the top roof panel side joining step (520); and the above By applying the present invention, which comprises a ridge fitting connection step (600) in which a ridge fitting part (11) that is bent into an arc shape and has male fitting parts (11) at both lower ends is fitted and connected to the upper female fitting part (12) of the upper roof panel constructed through the upper roof panel upper fixing step (530), and a panel side cover assembly step (700) in which a panel side cover for finishing is installed on the exposed sides of the roof panels located on both sides of the panel roof constructed through the above steps, it is possible to construct a roof on a building that is quick, easy, sturdy, and leak-proof. Explanation of the symbols
[0071] 10 : Roof panels 10a: Panel body 10b: Thermal insulation and sound-absorbing material 10c: Side barrier connecting plate 10d: Power line section 11 : Male fitting 11a: Elastic assembly protrusion 12 : Am-kki-um-bu 12a: Fixed protrusion 12b: Insertion guide plate 20 : Roof panel fixing bar 21 : Fixed bar female insert part 30 : Ridge beam 31 : Ridge body 31a: Band fastener 32 : Ridge fitting 33 : Elastic band 40 : Panel side cover 50 : Solar panels 51 : Panel power cable 60 : Generator wiring 61 : Connect to the connection terminal 62 : Connection surface connection terminal 100 : Preprocessing step 200 : Panel fixing bar installation stage 310: Bottommost roof panel fixing construction stage 320: Bottommost roof panel side joining step 330 : Bottommost roof panel upper fixing stage 410 : Central roof panel lower connection step 420 : Central roof panel side joining step 430 : Central roof panel upper fixing step 510: Top roof panel installation stage 520: Top roof panel side joining step 530 : Uppermost roof panel fixing step 600 : Ridge fitting connection step 610: Elastic band binding step 700 : Panel side cover assembly step
Claims
Claim 1 A method for constructing roof panels comprises: a panel fixing bar construction step comprising a pretreatment step of preparing the floor surface of the building roof by removing moisture and contaminants from the building roof and a step of fixing a roof panel fixing bar having a female fitting on the eave side of the roof to the roof; a bottom roof panel fixing construction step comprising a step of constructing by inserting and joining the female fitting of a roof panel, having a male fitting at the bottom and a female fitting at the top, to the upper female fitting of the roof panel fixing bar fixed through the panel fixing bar construction step; a bottom roof panel side joining step comprising a step of constructing by inserting and joining the lower male fitting of a roof panel, which is continuously constructed along the side of the roof panel constructed through the bottom roof panel fixing construction step, to the female fitting of the roof panel fixing bar, and connecting and joining to the previously constructed roof panel by means of a side waterproofing joining plate; and the bottom roof panel fixing construction step. A bottom roof panel upper fixing step comprising the step of fixing the top of the roof panel installed on the roof to the roof by driving a fastener into the top of the roof panel installed on the roof through the bottom roof panel side joining step; a central roof panel lower joining step comprising the step of installing by inserting and joining the bottom male fitting of the roof panel to the top female fitting of the roof panel fixed through the bottom roof panel upper fixing step; a central roof panel side joining step comprising the step of installing by inserting and joining the bottom male fitting of the roof panel, which is continuously installed along the side of the roof panel installed through the central roof panel lower joining step, to the top female fitting of the roof panel, and connecting and joining it to the previously installed roof panel by means of a side cutoff joining plate; a central roof panel upper fixing step comprising the step of fixing the top of the roof panel installed on the roof to the roof by driving a fastener into the top of the roof panel installed on the roof through the central roof panel lower joining step and the central roof panel side joining step; and through the central roof panel upper fixing step The uppermost roof panel installation step, consisting of the step of installing by fitting the lower male part of the roof panel into the upper female part of the fixed roof panel.The uppermost roof panel side joining step comprises a step of connecting the lower male fitting of a roof panel, which is continuously installed along the side of the roof panel installed through the uppermost roof panel installation step, to the upper female fitting of the roof panel, and connecting it to the previously installed roof panel by means of a side waterproofing joining plate; the uppermost roof panel upper fixing step comprises a step of fixing the upper part of the roof panel installed on the roof through the uppermost roof panel installation step and the uppermost roof panel side joining step by driving a fastener into the upper part of the roof panel to fix the upper part of the roof panel to the roof; the ridge fitting joining step comprises a step of connecting the male fitting of the ridge, which is bent in an arc shape and has male fittings at both lower ends, to the upper female fitting of the uppermost roof panel installed through the uppermost roof panel upper fixing step, to the upper female fitting of the ridge panel installed through the uppermost roof panel installation step; and the step of installing panel side covers for finishing on the exposed sides of the roof panels located on both sides of the panel roof installed through the above steps. A snap-fit type roof panel equipped with thermal insulation and sound-absorbing material and a construction method characterized by comprising a panel side cover assembly step. Claim 2 In claim 1; an interlocking assembly type roof panel equipped with thermal insulation and sound-absorbing material, characterized by having a solar panel on the upper surface of the panel body. Claim 3 A roof panel comprising a plate-shaped panel body (10a) and a sound-absorbing insulation material (10b) attached to the lower surface of the panel body to provide sound insulation and sound absorption, a male fitting part (11) formed by being bent downward and then bent backward from the bottom to have a fitting assembly structure at the bottom of the panel body, a female fitting part (12) formed to be open downward from the upper surface of the panel body for fitting assembly with the male fitting part at the top of the panel body, a fixing protrusion part (12a) formed to be protruded backward at the center of the panel body for fixing the upper surface of the roof panel by a fixing device, and a side-blocking coupling plate (10c) formed to be plate-shaped so as to overlap the upper surface of a roof panel material to be connected side-side without the male fitting part and female fitting part being formed on one side of the panel body for side-side connection. Claim 4 In claim 3; a solar panel (50) is provided on the upper surface of the panel body (10a); a power generation line section (10d) is formed on the lower surface of the panel body that overlaps the upper surface of the roof panel to be assembled during the assembly process of the roof panel, with the thermal insulation and sound-absorbing material omitted, and a power generation wire (60) is provided on the inner surface of the power generation line section to transmit generated electricity; the power generation wire (60) is formed by overlapping the upper surface of the roof panel material that is laterally connected to the lower end of the side-connecting coupling plate to form a connecting lower surface connection terminal (61) that is connected to the power generation wire of the side-connecting roof panel material, and by winding around the opposite end of the side-connecting coupling plate to form a connecting upper surface connection terminal (62) that is connected to the power generation wire of the roof panel material that is laterally connected by a panel power line (51) on the upper surface.