CN217769978U - Mounting bracket of photovoltaic module and photovoltaic roof mounted by using same - Google Patents

Abstract

The utility model discloses a mounting bracket of a photovoltaic module, which comprises a first mounting bracket, wherein the first mounting bracket comprises a first linking seat, a first supporting piece and a first connecting piece, the first connecting piece is arranged below the first supporting piece, and the first supporting piece and the first connecting piece are connected with the first linking seat through bolts; the first linking seat is provided with a rotating shaft hole, the first supporting piece is provided with a pin slot hole, one end of the photovoltaic module is hinged with the first linking seat through a hinge shaft, and the other end of the photovoltaic module is fixedly connected with the first supporting piece through a pin shaft; the first connecting piece is provided with a plurality of fixing holes. The utility model discloses simultaneously disclose an utilize photovoltaic roof of this installing support installation. The mounting bracket of the utility model has simple structure, the accessories can be prefabricated in factory and installed on site, and the mounting operation is simple; and its subassembly of photovoltaic roof can batch production, the facilitate promotion.

Description

Mounting bracket of photovoltaic module and photovoltaic roof mounted by using mounting bracket

Technical Field

The utility model relates to a photovoltaic module installs technical field, concretely relates to photovoltaic module's installing support and utilize photovoltaic roof of this installing support installation.

Background

With the popularization of photovoltaic modules in a large range and the popularization of distributed power generation, more and more photovoltaic modules are installed on roofs of buildings such as factory buildings, schools and houses.

At present, building photovoltaic roofs are gradually developed to replace common building roofs in local areas in China, particularly in places with extensive and rare land, the cost of autonomous power generation is low, and photovoltaic modules absorb solar energy and convert the solar energy into electric energy in the daytime, so that the daily power consumption requirements of families are met. In cities and villages, there is also a need to install photovoltaic modules of distributed domestic power stations on roofs; in some public or tourist attractions, in order to reach green wisdom energy requirement, also there is the demand of installing photovoltaic module at its roof. The photovoltaic roof is used for replacing a common building roof, the solar power generation system is combined with a building, meanwhile, the waterproof function is achieved, and the photovoltaic roof is required to be consistent with the building style of the building.

Photovoltaic module need be fixed on building roof through the installing support, form the photovoltaic roof, prior art's installing support structure is complicated, the cost of preparation installing support is high, can not mass production line formula production, be not convenient for extensively promote, and the equipment of installing support is fixed more loaded down with trivial details, use the photovoltaic module of installing support installation, the material object is extensive, the space that occupies is big, can't laminate with building itself and fuse, changed the original outward appearance bodily form of building, neither pleasing to the eye, also very encumbrance.

The existing developed photovoltaic roofs are generally roofs made of customized photovoltaic modules, the photovoltaic modules are generally combined by special-shaped frames to achieve the function of mutual overlapping, and the structures of the special-shaped frames are different from the structures of the frames of standard photovoltaic modules, so that the photovoltaic modules cannot be assembled, produced and manufactured on an automatic assembly line of the existing standard modules, and therefore the existing photovoltaic roofs cannot be produced in batches, are extremely high in manufacturing cost and are inconvenient to popularize widely; although the roof has a good effect after installation, when the photovoltaic tile has a complex structure and special requirements on materials, the power generation performance is low, the total power generation amount is small, and solar energy cannot be fully utilized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mounting bracket of a photovoltaic module, which has simple structure, convenient installation and batch production;

simultaneously, the photovoltaic roof is provided, the photovoltaic module is a conventional standard component, batch production can be realized, and the assembly and disassembly are simple and convenient, and the popularization is convenient.

In order to achieve the purpose of the utility model, the utility model adopts the technical proposal that: the mounting bracket of the photovoltaic assembly comprises a first mounting bracket, wherein the first mounting bracket comprises a first linking seat, a first supporting piece and a first connecting piece, the first connecting piece is arranged below the first supporting piece, and the first supporting piece and the first connecting piece are connected with the first linking seat through bolts; the first linking seat is provided with a rotating shaft hole, the first supporting piece is provided with a pin slot hole, one end of the photovoltaic module is hinged with the first linking seat through a hinge shaft, and the other end of the photovoltaic module is fixedly connected with the first supporting piece through a pin shaft; the first connecting piece is provided with a plurality of fixing holes.

Further, the first linking seat comprises a first linking column and two connecting folding plates; the first linking column is a hollow quadrangular prism, and the rotating shaft hole is formed in the first linking column; the connecting folded plate is composed of two long flat plates which are connected at right angles, and the two connecting folded plates are arranged in parallel and fixed on the first linking column.

Further, the first supporting piece comprises a bottom plate, two supporting side plates and two supporting plates; the two supporting side plates are vertically fixed on the bottom plate, and form a rectangular water dripping groove with the bottom plate; the two supporting plates are arranged in parallel with the bottom plate and are respectively and vertically connected with the two supporting side plates; the supporting plate is provided with the pin slot hole.

Furthermore, the length of the first supporting piece is greater than that of the first connecting piece, one end of the first supporting piece extends out of the first connecting piece, and the part of the supporting plate extending out of the first connecting piece is provided with the pin slot hole.

Further, the first connecting piece comprises a top plate, two bottom connecting plates and two connecting side plates; the two connecting side plates are vertically connected between the top plate and the two bottom connecting plates; and a plurality of fixing holes are formed in the two bottom connecting plates.

Further, the mounting bracket further comprises a second mounting bracket and a third mounting bracket;

the second mounting bracket comprises a second linking seat and a second connecting support piece; the second linking seat comprises a second linking column and two connecting plates, the two connecting plates are fixed on the second linking column in parallel, and the second linking column is provided with a rotating shaft hole; the second connecting and supporting piece comprises an upper supporting plate, a lower connecting plate and a middle side plate vertically connected between the upper supporting plate and the lower connecting plate, the upper supporting plate is provided with a pin slot hole, and the lower connecting plate is provided with a plurality of fixing holes; the structure of the third mounting bracket is the same as that of the second mounting bracket, and an opening formed by the upper supporting plate, the lower connecting plate and the middle side plate of the second mounting bracket is opposite to that of the third mounting bracket.

A photovoltaic roof installed by utilizing the installing support also comprises a photovoltaic component, a rotating shaft seat, a hinge shaft and a hinge pin; the rotating shaft seat is fixedly connected with the photovoltaic module through a bolt; one end of the photovoltaic component is hinged with the mounting bracket through the rotating shaft seat and the hinge shaft, and the other end of the photovoltaic component is fixedly connected with the mounting bracket through the hinge shaft.

Furthermore, the rotating shaft seat comprises a base and two rotating shaft connecting parts, and the two rotating shaft connecting parts are fixed at two ends of the base; the base is fixedly connected with the photovoltaic module through bolts; and a rotating shaft hole is formed in the rotating shaft connecting part.

Further, the photovoltaic module comprises a first photovoltaic module and a second photovoltaic module; the plurality of packaged cells of the first photovoltaic module are connected in series; the plurality of packaged battery pieces of the second photovoltaic module are divided into two parts, wherein one half of the packaged battery pieces are connected in series to form a serial battery piece group, the other half of the packaged battery pieces are connected in series to form another serial battery piece group, and the two serial battery piece groups are connected in parallel; the width of the first photovoltaic assembly is equal to that of the second photovoltaic assembly, and the length of the second photovoltaic assembly is 2 times that of the first photovoltaic assembly.

Furthermore, the second photovoltaic module and the first photovoltaic module are installed and arranged in an up-and-down imbricating mode.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the mounting bracket of the utility model has simple structure, the fittings can be prefabricated in factory, produced in batch and mounted on site, the mounting operation is simple and rapid, and the manufacturing and mounting costs are not high;

2. the photovoltaic module of the photovoltaic roof of the utility model is an industry conventional standard component, is not a fixed component, and can be produced in batch, so that the photovoltaic roof can be popularized;

3. when the photovoltaic roof of the utility model is installed, the mounting bracket is firstly fixed on the roof, and then the photovoltaic component is connected with the mounting bracket through the rotating shaft seat, the hinge shaft and the hinge pin, so that the installation and the disassembly are very simple and convenient, only the photovoltaic component needs to be replaced when in maintenance, and meanwhile, the replacement operation of the photovoltaic component is simple;

4. the installing support has the installation face of slope, and photovoltaic module can fold the installation of formula of tiling from top to bottom and arrange, and it is straight unobstructed about, and is in the same place with the integration of tilting building roof, and is exquisite pleasing to the eye.

Drawings

Fig. 1 is a schematic view of a connection structure of a photovoltaic roof in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a rotating shaft base in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a first mounting bracket according to embodiment 1 of the present invention;

fig. 4 is an exploded view of a first mounting bracket component in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a second mounting bracket in embodiment 1 of the present invention;

fig. 6 is an exploded view of a second mounting bracket component in embodiment 1 of the present invention;

fig. 7 is a schematic structural view of a third mounting bracket in embodiment 1 of the present invention;

fig. 8 is a schematic layout diagram of the first photovoltaic module and the second photovoltaic module in embodiment 1 of the present invention.

Wherein: 1. a photovoltaic module; 11. a first photovoltaic module; 12. a second photovoltaic module;

2. a rotating shaft seat; 21. a base; 22. a rotating shaft connecting part;

3. a hinge axis;

4. a pin shaft;

5. mounting a bracket; 6. a first mounting bracket; 61. a first linking base; 611. a first linking post; 612. connecting the folded plates; 62. a first support; 620. a base plate; 621. supporting the side plates; 622. a support plate; 623. a water dripping groove; 63. a first connecting member; 631. a top plate; 632. connecting the side plates; 633. a bottom connecting plate; 7. a second mounting bracket; 71. a second linking base; 711. a second linking post; 712. a connecting plate; 72. a second connecting support; 721. an upper support plate; 722. a middle side plate; 723. a lower connecting plate; 724. a rib plate; 8. and a third mounting bracket.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understandable, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description, wherein the drawings are simplified schematic drawings, and only the basic structure of the present invention is schematically illustrated, so that only the components related to the present invention are shown, and it is to be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other variations and in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Example 1

Referring to fig. 1, a photovoltaic roof includes a photovoltaic module 1, a rotation shaft base 2, a hinge shaft 3, a pin shaft 4 and a mounting bracket 5.

The photovoltaic module 1 comprises a plurality of packaged cells, according to the different connection modes of the packaged cells, the photovoltaic module 1 comprises a first photovoltaic module 11 and a second photovoltaic module 12, the packaged cells in the first photovoltaic module 11 are connected in series, the packaged cells in the second photovoltaic module 12 are divided into two, half of the packaged cells are connected in series to form a series cell group, the other half of the packaged cells are connected in series to form another series cell group, and the two series cell groups are connected in parallel.

Preferably, the widths of the first photovoltaic module 11 and the second photovoltaic module 12 are equal, the length of the second photovoltaic module 12 is 2 times that of the first photovoltaic module 11, the number of the packaged cells of the second photovoltaic module 12 is 2 times that of the packaged cells of the first photovoltaic module 11, and the output voltages of the first photovoltaic module 11 and the second photovoltaic module 12 are equal.

Referring to fig. 2, the rotating shaft seat 2 includes a base 21 and two rotating shaft connecting portions 22, the base 21 is a rectangular flat plate, a plurality of threaded holes are formed in the base 21, and the base 21 is detachably connected with the photovoltaic module 1 through bolts. Two rotating shaft connecting parts 22 are respectively fixed at two ends of the base 21, and rotating shaft holes are arranged on the rotating shaft connecting parts 22.

The hinge shaft 3 is a cylindrical long shaft, and the hinge shaft 3 is rotatably arranged in the rotating shaft connecting part 22 and the rotating shaft hole of the chaining seat, so that the rotating shaft seat 2 and the mounting bracket 5 are connected together.

The mounting bracket 5 includes a first mounting bracket 6 and a second mounting bracket 7 and a third mounting bracket 8.

Referring to fig. 3, the first mounting bracket 6 includes a first link base 61, a first support 62, and a first connector 63.

Referring to fig. 4, the first linking base 61 includes a first linking column 611 and two connecting folding plates 612, the first linking column 611 is a hollow quadrangular prism, and a rotation shaft hole is formed in the first linking column 611 and is opened in two opposite prismatic surfaces of the first linking column 611. The connecting folding plate 612 is composed of two rectangular plates connected at right angles, the two connecting folding plates 612 are respectively fixed on the two prism surfaces of the first linking column 611, which are provided with the rotating shaft hole, the two connecting folding plates 612 are arranged in parallel, and a clamping space is formed between the parallel long plates of the two connecting folding plates 612. A plurality of connecting holes are arranged on the long flat plate parallel to the two connecting folding plates 612, and the connecting folding plates 612 are connected with the first supporting piece 62 and the first connecting piece 63 through bolts.

The cross section of the first supporting member 62 is substantially in an inverted 'n' shape, and includes a bottom plate 620, two supporting side plates 621 and two supporting plates 622, the bottom plate 620, the supporting side plates 621 and the supporting plates 622 are all strip-shaped flat plates, the two supporting side plates 621 are vertically fixed on two long sides of the bottom plate 620, and form a rectangular water dripping groove 623 with the bottom plate 620. When the photovoltaic modules 1 are installed, a joint is formed between two adjacent photovoltaic modules 1, and the water dripping groove 623 is located right below the joint and can drain rainwater permeating from the joint. The supporting side plate 621 is provided with a plurality of connecting holes, and the supporting side plate 621 is detachably connected with the first linking seat 61 and the first connecting member 63 by bolts. The two supporting plates 622 are parallel to the bottom plate 620 and are fixed on the two supporting side plates 621 respectively, and the supporting plates 622 are used for supporting the photovoltaic module 1.

The first connecting member 63 has a substantially inverted-v-shaped cross section and includes a top plate 631, two bottom connecting plates 633, and two connecting side plates 632 connected between the bottom connecting plates 633 and the top plate 631, wherein the top plate 631 and the bottom connecting plates 633 are elongated flat plates, and the two connecting side plates 632 are acute-angled triangular plates. Since the connecting side plate 632 is an acute triangular plate, the included angle between the top plate 631 and the bottom connecting plate 633 is an acute angle α. A plurality of connecting holes are formed in the two connecting side plates 632, and the connecting side plates 632 are connected with the two long flat plates parallel to each other, which are arranged on the supporting side plate 621 of the first supporting member 62 and the first linking seat 61, through bolts. A plurality of fixing holes are formed in the bottom connecting plate 633, and the bottom connecting plate 633 is fixedly connected with a roof through screws or bolts.

The first linking seat 61, the first supporting member 62 and the first connecting member 63 are detachably connected by bolts, and the specific connection process is as follows: one supporting plate 622 of the first supporting member 62 is overlapped on the top plate 631 of the first connecting member 63, one supporting side plate 621 of the first supporting member 62 is abutted to one connecting side plate 632 of the first connecting member 63, then the first supporting member 62 and the first connecting member 63 are inserted into the clamping space of the first linking seat 61, two long flat plates parallel to each other of the first linking seat 61 are respectively attached to the other supporting side plate 621 of the first supporting member 62 and the other connecting side plate 632 of the first connecting member 63, and finally the two long flat plates parallel to each other of the first linking seat are fixedly connected with the supporting side plate 621 of the first supporting member 62 and the connecting side plate 632 of the first connecting member 63 through screws.

The length of the first connecting member 63 is slightly shorter than that of the first supporting member 62, so that the end of the first supporting member 62, which is not connected to the first linking seat 61, extends out of the first connecting member 63, the top plate 631 of the first supporting member 62 is provided with a pin slot on the extending portion, and the first supporting member 62 is connected to the photovoltaic module 1 through the pin 4.

Referring to fig. 5 and 6, the second mounting bracket 7 includes a second linking seat 71 and a second connecting support 72, the second linking seat 71 includes a second linking post 711 and two connecting plates 712, and the second linking post 711 has the same structure as the first linking post 611 and is not described in detail. The two connecting plates 712 are long strips, and the two connecting plates 712 are fixed on the first linking column 611 in parallel. The second connecting support 72 has a substantially open "C" shape in cross section, and includes an upper support plate 721, a lower connecting plate 723, and a middle side plate 722 vertically connected between the upper support plate 721 and the lower connecting plate 723, wherein the upper support plate 721, the lower connecting plate 723, and the middle side plate 722 are connected to form an opening. The upper supporting plate 721 and the lower connecting plate 723 are long flat plates, and the length of the upper supporting plate 721 is greater than that of the lower connecting plate 723, so that one end of the upper supporting plate 721 extends out of the lower connecting plate 723, a pin slot hole is formed in the part of the upper supporting plate 721 extending out of the lower connecting plate 723, and the upper supporting plate 721 is connected with the photovoltaic module 1 through a pin shaft 4. The middle side plate 722 is an acute angle triangular plate, and because the middle side plate 722 is an acute angle triangular plate, the connection angle between the upper support plate 721 and the lower connecting plate 723 is an acute angle α. The middle side plate 722 is provided with a plurality of connecting holes, and the middle side plate 722 is connected with the two connecting plates 712 of the second linking seat 71 through bolts. The lower connecting plate 723 is provided with a plurality of fixing holes, and the lower connecting plate 723 is fixedly connected with a roof through screws. In order to increase the supporting strength of the second connecting supporter 72, the second connecting supporter 72 is provided with a plurality of ribs 724 between the upper supporting plate 721 and the lower connecting plate 723.

The connection process of the second mounting bracket 7 is as follows: the two connecting plates of the second link base 71 are inserted into the opening of the second connecting support 72, and then the two connecting plates 712 of the second link base 71 are fixedly connected with the middle side plate 722 of the second connecting support 72 by bolts.

Referring to fig. 7, the third mounting bracket 8 has the same structure as the second mounting bracket 7 except that the opening direction of the third mounting bracket 8 is opposite to that of the second mounting bracket 7.

The photovoltaic fixation mounting process is as follows:

1. fixing a first mounting bracket 6, a second mounting bracket 7 and a third mounting bracket 8 on a roof through screws, wherein the second mounting bracket 7 and the third mounting bracket 8 are fixed on two sides of the roof, and the first mounting bracket is arranged between the second mounting bracket 7 and the third mounting bracket 8;

2. fixedly connecting the rotating shaft seat 2 with the photovoltaic module 1 through bolts;

3. the photovoltaic module 1 is placed on the mounting bracket 5, one end of the photovoltaic module is hinged with the rotating shaft seat 2 and the chain joint seat of the mounting bracket 5 through the hinge shaft 3, and the other end of the photovoltaic module is fixedly connected with the mounting bracket 5 through the hinge shaft 4.

The arrangement of the first photovoltaic module 11 and the second photovoltaic module 12 can be reasonably arranged according to actual conditions.

Referring to fig. 8, a preferred roof installation mode is that the second photovoltaic module 12 and the first photovoltaic module 11 are installed and arranged in a vertically-overlapping manner, and since an included angle between the top of the first connecting member 63 and the bottom connecting plate 633 is α, and an included angle between the upper supporting plate 721 and the lower connecting plate of the second connecting supporting member 72 and the third connecting supporting member is α, the photovoltaic modules have a certain angle α with the roof surface after installation, so that when the upper and lower photovoltaic modules 1 are overlapped, the lower edge portion of the second photovoltaic module located on the upper side is overlapped on the upper edge portion of the first photovoltaic module 11 located on the lower side, and the upper edge of the first photovoltaic module 11 located on the lower side is arranged below the extending portions of the top plate 631 and the upper supporting plate 721 of the mounting bracket 5, forming a horizontally-overlapping manner, the vertically-overlapping manner has a certain width, and the overlapped neutral position is covered with a water-retaining adhesive tape to prevent rainwater from splashing and leaking.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood by those of ordinary skill in the art through specific situations.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a photovoltaic module's installing support which characterized in that:

the device comprises a first mounting bracket, wherein the first mounting bracket comprises a first linking seat, a first supporting piece and a first connecting piece, the first connecting piece is arranged below the first supporting piece, and the first supporting piece and the first connecting piece are connected with the first linking seat through bolts;

the first linking seat is provided with a rotating shaft hole, the first supporting piece is provided with a pin slot hole, one end of the photovoltaic module is hinged with the first linking seat through a hinge shaft, and the other end of the photovoltaic module is fixedly connected with the first supporting piece through a pin shaft;

the first connecting piece is provided with a plurality of fixing holes.

2. The mounting bracket for a photovoltaic module of claim 1, wherein:

the first linking seat comprises a first linking column and two connecting folding plates;

the first linking column is a hollow quadrangular prism, and the rotating shaft hole is formed in the first linking column;

the connecting folded plate is composed of two long flat plates which are connected at right angles, and the two connecting folded plates are arranged in parallel and fixed on the first linking column.

3. The mounting bracket for a photovoltaic module according to claim 1, wherein:

the first supporting piece comprises a bottom plate, two supporting side plates and two supporting plates;

the two supporting side plates are vertically fixed on the bottom plate, and a rectangular water dripping groove is formed by the supporting side plates and the bottom plate;

the two supporting plates are arranged in parallel with the bottom plate and are respectively and vertically connected with the two supporting side plates;

the supporting plate is provided with the pin slot hole.

4. A mounting bracket for a photovoltaic module according to claim 3, wherein:

the length of the first supporting piece is larger than that of the first connecting piece, one end of the first supporting piece extends out of the first connecting piece, and the part of the supporting plate extending out of the first connecting piece is provided with the pin slot hole.

5. The mounting bracket for a photovoltaic module of claim 1, wherein:

the first connecting piece comprises a top plate, two bottom connecting plates and two connecting side plates;

the two connecting side plates are vertically connected between the top plate and the two bottom connecting plates;

and a plurality of fixing holes are formed in the two bottom connecting plates.

6. A mounting bracket for a photovoltaic module according to any of claims 1 to 5, wherein:

the mounting bracket further comprises a second mounting bracket and a third mounting bracket;

the second mounting bracket comprises a second linking seat and a second connecting support piece;

the second linking seat comprises a second linking column and two connecting plates, the two connecting plates are fixed on the second linking column in parallel, and the second linking column is provided with a rotating shaft hole;

the second connecting and supporting piece comprises an upper supporting plate, a lower connecting plate and a middle side plate vertically connected between the upper supporting plate and the lower connecting plate, the upper supporting plate is provided with a pin slot hole, and the lower connecting plate is provided with a plurality of fixing holes;

the structure of the third mounting bracket is the same as that of the second mounting bracket, and an opening formed by the upper supporting plate, the lower connecting plate and the middle side plate of the second mounting bracket is opposite to that of the third mounting bracket.

7. A photovoltaic roof mounted using the mounting bracket of claim 6, wherein:

the photovoltaic module, the rotating shaft seat, the hinge shaft and the pin shaft are further included;

the rotating shaft seat is fixedly connected with the photovoltaic module through a bolt;

one end of the photovoltaic component is hinged with the mounting bracket through the rotating shaft seat and the hinge shaft, and the other end of the photovoltaic component is fixedly connected with the mounting bracket through the hinge shaft.

8. The photovoltaic roof of claim 7, wherein:

the rotating shaft seat comprises a base and two rotating shaft connecting parts, and the two rotating shaft connecting parts are fixed at two ends of the base;

the base is fixedly connected with the photovoltaic module through bolts;

and a rotating shaft hole is formed in the rotating shaft connecting part.

9. The photovoltaic roof of claim 7, wherein:

the photovoltaic assembly comprises a first photovoltaic assembly and a second photovoltaic assembly;

the plurality of packaged cells of the first photovoltaic module are connected in series;

the plurality of packaged battery pieces of the second photovoltaic module are divided into two parts, wherein one half of the packaged battery pieces are connected in series to form a serial battery piece group, the other half of the packaged battery pieces are connected in series to form another serial battery piece group, and the two serial battery piece groups are connected in parallel;

the width of the first photovoltaic assembly is equal to that of the second photovoltaic assembly, and the length of the second photovoltaic assembly is 2 times that of the first photovoltaic assembly.

10. The photovoltaic roof of claim 9, wherein:

the second photovoltaic module and the first photovoltaic module are installed and arranged in a vertically-overlapped manner.

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