CN217537583U

CN217537583U - Metal roofing photovoltaic system

Info

Publication number: CN217537583U
Application number: CN202123440537.4U
Authority: CN
Inventors: 王超; 王政; 王保强
Original assignee: Duowei Union Group Co Ltd
Current assignee: Duowei Union Group Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-10-04
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of buildings, disclosed is a metal roofing photovoltaic system comprising: the sandwich plate roof is provided with a plurality of wave crest convex parts at intervals along the length direction on the upper end surface of the sandwich plate roof; at least two photovoltaic panels arranged on the sandwich panel roof; and at least one connecting structure is arranged on the corresponding wave crest convex part, and one connecting structure is arranged between two adjacent photovoltaic panels so as to connect the adjacent photovoltaic panels to the corresponding sides of the connecting structure. This metal roofing photovoltaic system has and saves the advantage of violently erecting the guide rail, reducing nail hole quantity, avoiding the water leakage and saving construction cost.

Description

Metal roofing photovoltaic system

Technical Field

The utility model relates to a building technical field, concretely relates to metal roofing photovoltaic system.

Background

The bending resistance bearing capacity of the traditional metal sandwich plate roof is better, and the traditional metal sandwich plate roof has a regular trapezoidal wave crest and an inverted trapezoidal wave crest and is generally fixed by adopting a visible nail. At present carbon peak, under the big background of building photovoltaic integration of carbon neutralization, metal battenboard roofing installation solar photovoltaic power generation system is a trend that is imperative, at present, fix horizontal guide rail and vertical guide rail on the battenboard usually, through laying horizontal guide rail and vertical guide rail, thereby form the region of rectangle, in order to be used for holding and setting firmly the photovoltaic board, accomplish the erectting to the photovoltaic board, at the in-process of installation, need increase fixed guide rail's self-tapping nail, therefore, the nail hole quantity of roof boarding has been increased, cause great hidden danger of leaking easily, furthermore, the setting of horizontal vertical guide rail, also make the extra increase of construction cost.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming at least and need lay transverse guide and vertical guide rail among the prior art on the battenboard roofing to be used for holding and setting firmly the photovoltaic board, this process need increase fixed guide's self-tapping nail, from this, has just increased the nail hole quantity of roof boarding, causes great hidden danger of leaking easily, in addition, the increase of violently erecting the guide rail, also makes one of the defect of the extra increase of construction cost, thereby provides a metal roofing photovoltaic system.

The utility model provides a metal roofing photovoltaic system, include: the sandwich plate roof is provided with a plurality of wave crest convex parts at intervals along the length direction on the upper end surface of the sandwich plate roof; the photovoltaic panels are arranged on the sandwich panel roof; and at least one connecting structure arranged on the corresponding wave crest convex part, wherein one connecting structure is arranged between two adjacent photovoltaic panels so as to connect the adjacent photovoltaic panels to the corresponding sides of the connecting structure.

Optionally, the connecting structure includes a bracket assembly disposed on the corresponding peak convex portion, and the corresponding photovoltaic panels are respectively set up at two ends of the upper end surface of the bracket assembly; the briquetting sets up bracket assembly's top, the both ends pressure of briquetting is established in corresponding side the up end of photovoltaic board, wherein, the briquetting through first fastener with bracket assembly's upper end is connected as an organic wholely, bracket assembly's lower extreme through the second fastener with the battenboard roofing is connected as an organic wholely.

Optionally, the upper end face of the wave crest convex part is tightly attached to the lower end face of the top of the bracket component.

Optionally, the bracket assembly includes that the cover is established dustcoat and cover on the crest convex part are established bracket on the dustcoat, wherein, the dustcoat with the bracket is connected as an organic wholely, the roof internal surface of dustcoat with the up end of crest convex part closely laminates.

Optionally, the housing includes a first side plate and a second side plate oppositely disposed at two sides of the corresponding peak convex portion, and a first top plate disposed between the first side plate and the second side plate, and the first side plate, the first top plate and the second side plate are connected together and configured to have an inverted "concave" shape in cross section.

Optionally, a first horizontal portion extending horizontally towards the outside is configured at the bottom end of the first side plate, and a second horizontal portion extending horizontally towards the outside is configured at the bottom end of the second side plate, wherein the lower end surface of the first horizontal portion and the lower end surface of the second horizontal portion are both tightly attached to the upper end surface of the sandwich panel roof.

Optionally, the bracket includes a sleeve portion sleeved on the outer cover, a blocking portion disposed at an upper end of the sleeve portion, and an accommodating portion disposed at an upper end surface of the blocking portion.

Optionally, the cover portion of establishing is including setting up first outside plate and the second outside plate of dustcoat both sides and setting are in the second roof of the upper end of dustcoat, wherein, corresponding side is connected respectively at the both ends of second roof first outside plate with the second outside plate, wherein, the lower terminal surface of second roof with the dustcoat the up end of first roof is laminated mutually, first outside plate with the detachable connection of first curb plate is as an organic whole, the second outside plate with the detachable connection of second curb plate is as an organic whole.

Optionally, the shielding portion includes a fastening cover disposed on an upper end surface of the second top plate, and an accommodating cavity adapted to accommodate the first fastening member adapted to the second fastening member is configured in the fastening cover.

Optionally, the accommodating portion is disposed on an upper end surface of a top end of the buckling cover, an opening is formed at an upper end of the accommodating portion, an accommodating chamber is formed inside the accommodating portion, and the accommodating chamber is suitable for accommodating a second locking member adapted to the first fastening member.

Optionally, the fastening end of the first fastening piece penetrates through the pressing block and then extends into the accommodating cavity and is matched with the second locking piece.

Optionally, the two sides of the blocking portion are respectively provided with the corresponding photovoltaic panel, wherein the lower end surface of the photovoltaic panel is attached to the upper end surface of the second top plate.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:

this application is through addding this connection structure and setting up this connection structure on the crest convex part, thereby connect adjacent photovoltaic board as an organic whole through this connection structure, can know from this, the setting of crest convex part, longitudinal rail among the prior art has been replaced, and simultaneously, transverse rail has also been saved, only can realize the installation and the fixing to the photovoltaic board through this connection structure, in addition, owing to saved transverse rail and vertical guide rail, thereby the effective area of photovoltaic board has been increased, the utilization ratio of solar energy in the unit interval has been improved. Meanwhile, because a transverse guide rail and a vertical guide rail are omitted, under the premise of ensuring safety, applicability and durability, the sandwich board roof fixing device reduces extra building accessories and reduces fixing points damaging the sandwich board roof, thereby greatly reducing the number of nail holes of the sandwich board roof, effectively reducing the hidden danger of water leakage, simplifying the construction process to a certain extent and simultaneously effectively reducing the building cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional structural view of a metal roofing photovoltaic system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

fig. 3 is an overall structure schematic diagram of the metal roof photovoltaic system of the embodiment of the present invention.

Description of the reference numerals:

1: a sandwich panel roof; 11: a wave crest convex part; 2: a photovoltaic panel; 3: a connecting structure; 31: a bracket assembly; 311: a housing; 32: a first horizontal portion; 33: a second horizontal portion; 311a: a first side plate; 311b, a step of: a second side plate; 311c: a first top plate; 312: a bracket; 312a: a housing portion; 313: a first outer panel; 314: a second exterior plate; 315: a second top plate; 312b: a shielding portion; 31b: a buckling cover; 312c: an accommodating portion; 5: a first fastener; 6: a second fastener; 7: a first locking member; 8: and a second locking member.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Based on the above circumstances, the present application provides a metal roofing photovoltaic system.

As shown in fig. 1 to 3, the metal roofing photovoltaic system is schematically shown to comprise a sandwich panel roofing 1, a photovoltaic panel 2 and at least one connecting structure 3.

In the embodiment of the present application, a plurality of wave crest convex portions 11 are configured at intervals along the length direction on the upper end surface of the sandwich panel roof 1, and at least two photovoltaic panels 2 are arranged on the sandwich panel roof 1.

The connecting structure 3 is disposed on the peak protrusion 11, and one connecting structure 3 is disposed between two adjacent photovoltaic panels 2, so as to connect the adjacent photovoltaic panels 2 to the corresponding side of the connecting structure 3. Specifically, this application is through addding this connection structure 3 and setting up this connection structure 3 on crest convex part 11, thereby connect adjacent photovoltaic board 2 as an organic whole through this connection structure 3, therefore can know, the setting of crest convex part 11, longitudinal rail among the prior art has been replaced, and simultaneously, transverse guide has also been saved, only can realize the installation and the fixing to photovoltaic board 2 through this connection structure 3, in addition, owing to saved transverse guide and vertical guide, thereby the effective area of photovoltaic board 2 has been increased, the utilization ratio of solar energy in the unit interval has been improved. Meanwhile, as the transverse guide rail and the vertical guide rail are omitted, on the premise of ensuring safety, applicability and durability, the number of additional building accessories is reduced, and the fixed points damaging the sandwich board roof 1 are reduced, so that the number of nail holes of the sandwich board roof 1 is greatly reduced, the hidden danger of water leakage is effectively reduced, the construction process is simplified to a certain extent, and meanwhile, the construction cost is effectively reduced.

It should be noted that the first fastener 5 and the second fastener 6 are preferably bolts, self-tapping screws, or other members having a fastening function.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, the connecting structure 3 includes bracket assemblies 31 disposed on the corresponding peak protrusions 11, and the corresponding photovoltaic panels 2 are respectively lapped on both ends of the upper end surface of the bracket assemblies 31.

Briquetting 4 sets up in the top of this bracket assembly 31, and the up end of this photovoltaic board 2 of corresponding side is established in the both ends pressure of this briquetting 4, and wherein, this briquetting 4 is connected as an organic wholely through first fastener 5 and this bracket assembly 31's upper end, and this bracket assembly 31's lower extreme is connected as an organic wholely through second fastener 6 and this battenboard roofing 1. Specifically, through screwing this first fastener 5 to can make this briquetting 4 can tightly press the up end of establishing at this photovoltaic board 2 of corresponding side, in addition, the lower extreme of this bracket assembly 31 is connected as an organic wholely with this battenboard roofing 1 through second fastener 6, thereby has just realized the firm connection between this bracket assembly 31 and battenboard roofing 1, from this, has just realized the connection between photovoltaic board 2, bracket assembly 31 and the battenboard roofing 1 and has fixed, makes whole metal roofing photovoltaic system can satisfy wind uncovering.

It should be noted that, according to the fixed type and the spacing of the sandwich panel roof 1 and the width spacing of the photovoltaic panels 2, the bracket assembly 31 is additionally arranged on the first fastening member 5 for fixing the sandwich panel roof 1, and the bracket assembly 31 and the sandwich panel roof 1 share the fixing position of one fastening member, so that the number of openings of the fastening members is greatly reduced, and the hidden danger of water leakage is effectively avoided.

In a preferred embodiment of the present application, the upper end surface of the peak protrusion 11 is closely attached to the lower end surface of the top of the bracket assembly 31. Thus, when the first fastening piece 5 is screwed, the downward pressing force is applied to the pressing block 4, so that the photovoltaic panel 2 can be tightly erected on the upper end face of the bracket assembly 31, and meanwhile, the lower end of the bracket assembly 31 is connected with the sandwich panel roof 1 into a whole through the second fastening piece 6, so that the pressing block 4, the photovoltaic panel 2, the bracket assembly 31 and the sandwich panel roof 1 are firmly connected in the longitudinal direction, and the metal roof photovoltaic system has the advantage of wind uncovering resistance.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, the bracket assembly 31 includes a cover 311 covering the peak-convex portion 11 and a bracket 312 covering the cover 311, wherein the cover 311 is integrally connected to the bracket 312, and an inner surface of a top wall of the cover 311 is closely attached to an upper end surface of the peak-convex portion 11. Specifically, by integrally connecting the cover 311 and the bracket 312, the play between the cover 311 and the bracket 312 in the longitudinal direction can be effectively avoided. In addition, the inner surface of the top wall of the outer cover 311 is tightly attached to the upper end surface of the peak convex portion 11, so that when the second fastening member 6 is tightened, the top wall of the outer cover 311 can be pressed only on the peak convex portion 11, and the firmness of connection can be ensured.

It should be noted that the bracket 312 is disposed on the outer cover 311 in a full length manner, and meanwhile, both sides of the photovoltaic panel 2 are laid on the bracket 312, after the photovoltaic panel 2 is laid, the photovoltaic panel 2 is pressed by the pressing block 4, and the pressing block 4 is connected to the bracket 312 by the first fastening member 5, so that the firm installation of the photovoltaic panel 2 can be ensured.

The briquette 4 may be made of a metal material. The metal material may be iron, copper or alloy steel.

It should be noted that the cross-sectional shape of the pressing block 4 may be a concave shape with a reversed or inverted concave shape on both sides.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, the outer cover 311 includes a first side plate 311a and a second side plate 311b oppositely disposed at both sides of the corresponding peak protrusion 11, and a first top plate 311c disposed between the first side plate 311a and the second side plate 311b, and the first side plate 311a, the first top plate 311c, and the second side plate 311b are commonly connected and configured to have an inverted "concave shape" in cross section. The cover 311 completely covers the peak protrusion 11, and plays a certain role in protecting the peak protrusion 11.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, a first horizontal portion 32 extending horizontally toward the outside is configured at the bottom end of the first side plate 311a, and a second horizontal portion 33 extending horizontally toward the outside is configured at the bottom end of the second side plate 311b, wherein a lower end surface of the first horizontal portion 32 and a lower end surface of the second horizontal portion 33 are both closely attached to an upper end surface of the sandwich panel roof 1. In this way, a better connection between the bracket assembly 31 and the sandwich panel roof 1 can be ensured.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, the bracket 312 includes a sleeve portion 312a sleeved on the outer cover 311, a shielding portion 312b disposed at an upper end of the sleeve portion 312a, and an accommodating portion 312c disposed at an upper end surface of the shielding portion 312 b. Specifically, the shape of the sleeve portion 312a is matched with that of the outer cover 311, and the shielding portion 312b can shield the locking end of the second fastening member 6, so as to avoid erosion of rainwater, and achieve a better rainproof effect. The receiving portion 312c may receive a fastening end of the first fastening member 5.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, the set of parts 312a includes a first outer side plate 313 and a second outer side plate 314 disposed at two sides of the outer cover 311 and a second top plate 315 disposed at an upper end of the outer cover 311, wherein two ends of the second top plate 315 are respectively connected to the first outer side plate 313 and the second outer side plate 314 at corresponding sides, wherein a lower end surface of the second top plate 315 is attached to an upper end surface of the first top plate 311c of the outer cover 311, the first outer side plate 313 is detachably connected to the first side plate 311a as a whole, and the second outer side plate 314 is detachably connected to the second side plate 311b as a whole. It should be noted that the first outer side plate 313 and the first side plate 311a can be connected by bolts, snaps, or plugs.

When the bolt connection is adopted, the bolt only needs to pass through the first outer side plate 313 and the first side plate 311a in sequence, and then the bolt is locked by using the nut.

When the snap connection or the plug connection is adopted, an engaging portion or a protruding portion may be added to one of the first outer side plate 313 and the first side plate 311a, and another engaging portion adapted to the engaging portion or a recessed portion adapted to the protruding portion may be added to the other, so that the first outer side plate 313 and the first side plate 311a can be firmly connected by engaging the two.

It should be noted that the second outer side plate 314 is detachably connected to the second side plate 311b in the same manner as the first outer side plate 313 is connected to the first side plate 311a, and for the sake of brevity, the detailed description is omitted here.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, the shielding portion 312b includes a snap cover 31b disposed on an upper end surface of the second top plate 315, and a receiving cavity adapted to receive the first fastening member 7 adapted to the second fastening member 6 is configured in the snap cover 31 b. This setting that holds the chamber can cover first fastener 7, makes it avoid receiving the erosion of rainwater, simultaneously, can also shelter from the hole site of this second fastener 6 better, avoids the rainwater to enter into this hole site in, plays better rain-proof effect.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, the receiving portion 312c is disposed at an upper end surface of a top end of the snap cover 31b, an opening is formed at an upper end of the receiving portion 312c, and a receiving chamber is formed inside the receiving portion 312c, and the receiving chamber is adapted to receive the second locking member 8 adapted to the first fastening member 5. It should be noted that, the second locking member 8 is disposed in the accommodating chamber, the outer size of the second locking member 8 is the same as the inner size of the accommodating chamber, the second locking member 8 cannot rotate in the accommodating chamber in the circumferential direction and the axial direction, and at this time, when the first fastening member 5 is screwed, the fastening end of the first fastening member 5 is continuously screwed in the second locking member 8 until the pressing block 4 is completely pressed on the photovoltaic panel 2, and then the first fastening member 5 is stopped being screwed.

It should be noted that the first locking member 7 and the second locking member 8 are preferably nuts or block-like structures with threaded holes therethrough.

In a preferred embodiment of the present application, as shown in fig. 1 to 3, the fastening end of the first fastening member 5 passes through the pressing block 4 and then extends into the receiving chamber to be matched with the second locking member 8. By continuously tightening the first fastening element 5, a secure connection of the first fastening element 5 to the second locking element 8 can be achieved, so that the pressure piece 4 is pressed only against the upper end face of the photovoltaic panel 2.

As shown in fig. 1 to 3, in a preferred embodiment of the present application, the photovoltaic panel 2 is disposed on two sides of the shielding portion 312b, wherein the lower end surface of the photovoltaic panel 2 is attached to the upper end surface of the second top board 315. Therefore, when the first fastening piece 5 is screwed, the fastening end of the first fastening piece 5 is gradually screwed in the second locking piece 8, so that the downward acting force applied to the photovoltaic panel 2 by the pressing block 4 can tightly press the photovoltaic panel 2 on the upper end surface of the second top plate 315, the phenomenon that the photovoltaic panel 2 moves in the longitudinal direction is avoided, and the wind uncovering resistance is improved.

It should be noted that the sandwich panel roof 1 is arranged on a purlin which is fixedly arranged on a cross beam of a house, and when the second fastening piece 6 is screwed, the fastening end of the second fastening piece 6 gradually drills downwards and is screwed into the purlin, so that the bracket assembly 31 and the sandwich panel roof 1 are firmly installed.

It should be noted that the first fastening element 7 can be a lock nut, and the fastening end of the second fastening element 6 is configured with an external thread.

The second locking member 8 is preferably a nut or a block-like structure with threads on the inside.

To sum up, this application is through addding this connection structure 3 and setting up this connection structure 3 on crest convex part 11, thereby connect adjacent photovoltaic board 2 as an organic whole through this connection structure 3, can know from this, the setting of crest convex part 11 has replaced the longitudinal rail among the prior art, and simultaneously, the transverse rail has also been saved, only can realize installation and fixed to photovoltaic board 2 through this connection structure 3, in addition, owing to saved transverse rail and vertical guide rail, thereby increased photovoltaic board 2's effective area, the utilization ratio of solar energy in the unit interval has been improved. Meanwhile, because a transverse guide rail and a vertical guide rail are omitted, on the premise of ensuring safety, applicability and durability, the sandwich plate roof 1 fixing point is reduced, so that the number of nail holes of the sandwich plate roof 1 is greatly reduced, the hidden danger of water leakage is effectively reduced, the construction process is simplified to a certain extent, and meanwhile, the construction cost is also effectively reduced.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A metal roofing photovoltaic system, comprising:

the sandwich plate roof is characterized in that a plurality of wave crest convex parts are constructed on the upper end surface of the sandwich plate roof at intervals along the length direction;

at least two photovoltaic panels arranged on the sandwich panel roof; and

at least one connecting structure arranged on the corresponding peak convex part, wherein one connecting structure is arranged between two adjacent photovoltaic panels so as to connect the adjacent photovoltaic panels to the corresponding side of the connecting structure;

the connecting structure comprises a bracket component and a pressing block, the bracket component is arranged correspondingly on the wave crest convex part, the pressing block is arranged above the bracket component, and the two ends of the pressing block are pressed on the corresponding sides of the upper end face of the photovoltaic panel.

2. The metal roofing photovoltaic system of claim 1 wherein the photovoltaic panels are bridged at each end of the upper end surface of the tray assembly; wherein, the briquetting through first fastener with bracket assembly's upper end is connected as an organic wholely, bracket assembly's lower extreme through the second fastener with the battenboard roofing is connected as an organic wholely.

3. The metal roofing photovoltaic system of claim 2 wherein an upper end surface of the peak protrusion is in close fit with a lower end surface of the top of the bracket assembly.

4. The metal roofing photovoltaic system of claim 3 wherein the bracket assembly includes a cover covering the peak protrusion and a bracket covering the cover, wherein the cover and the bracket are integrally connected, and an inner surface of a top wall of the cover is closely attached to an upper end surface of the peak protrusion.

5. The metal roofing photovoltaic system of claim 4 wherein the enclosure includes first and second side panels oppositely disposed on opposite sides of the respective peak protrusions and a first top panel disposed therebetween, the first side panel, the first top panel, and the second side panel being commonly connected and configured as an inverted "concave" cross-sectional shape.

6. The metal roofing photovoltaic system of claim 5 wherein a first horizontal portion is configured at a bottom end of the first side plate to extend horizontally outward, and a second horizontal portion is configured at a bottom end of the second side plate to extend horizontally outward, wherein a lower end surface of the first horizontal portion and a lower end surface of the second horizontal portion each closely contact an upper end surface of the sandwich panel roofing.

7. The metal roofing photovoltaic system of claim 5, wherein the bracket includes a nesting portion that nests on the outer cover, a blocking portion disposed at an upper end of the nesting portion, and an accommodating portion disposed at an upper end surface of the blocking portion.

8. The metal roofing photovoltaic system of claim 7, wherein the sheathing part includes a first outer panel and a second outer panel disposed on both sides of the outer cover, and a second top panel disposed on an upper end of the outer cover, wherein both ends of the second top panel are respectively connected to the first outer panel and the second outer panel on the corresponding sides, wherein a lower end surface of the second top panel is attached to an upper end surface of the first top panel of the outer cover, the first outer panel is detachably connected to the first side panel as a whole, and the second outer panel is detachably connected to the second side panel as a whole.

9. The metal roofing photovoltaic system of claim 8 wherein the blocking portion includes a snap-fit cover disposed on an upper end surface of the second top panel, and a receiving cavity is configured within the snap-fit cover adapted to receive a first securing member adapted to the second securing member.

10. The metal roofing photovoltaic system of claim 9 wherein the receptacle is disposed at an upper end of a top end of the snap hood, an opening is configured at an upper end of the receptacle, and a receiving chamber is configured within the receptacle, the receiving chamber being adapted to receive a second retaining member adapted to the first fastener.

11. The metal roofing photovoltaic system of claim 10 wherein the fastening end of the first fastener extends into the receiving cavity after passing through the press block and fits the second retaining member.

12. The metal roofing photovoltaic system of claim 8 wherein the corresponding photovoltaic panels are disposed on each side of the barrier, wherein the lower end surfaces of the photovoltaic panels are attached to the upper end surface of the second roof panel.