CN217641363U

CN217641363U - Photovoltaic module convenient to arrange

Info

Publication number: CN217641363U
Application number: CN202221143106.3U
Authority: CN
Inventors: 王涛; 颜佳华; 夏远富
Original assignee: Goodwe Power Supply Technology Guangde Co Ltd
Current assignee: Goodwe Power Supply Technology Guangde Co Ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-21
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a photovoltaic module convenient for arrangement, which comprises two battery units arranged in central symmetry, wherein each battery unit comprises two battery packs connected in series; a shunt diode is arranged between the two battery packs in series through a connecting wire, and a junction box is arranged outside the shunt diode; the photovoltaic module comprises a plurality of cell strings connected in parallel, and in addition, the cell strings comprise a plurality of unit cells connected in series, and the photovoltaic module needs to store energy and release energy in the using process, so that the series quantity of the unit cells in the photovoltaic module, the parallel quantity of the cell strings or the series quantity of the battery pack can be properly adjusted according to the using scene requirements of the photovoltaic module, the current and the voltage can adapt to the traditional photovoltaic module, the photovoltaic module is friendly to the installation of materials and systems, and the photovoltaic module is better suitable for different scene requirements.

Description

Photovoltaic module convenient to arrange

Technical Field

The utility model relates to a photovoltaic trade technical field, concretely relates to convenient photovoltaic module of arranging.

Background

Conventional photovoltaic module is half a slice design, and the left side is the negative pole, and the right side is anodal, and under the normal operating condition of subassembly, the electric current flows to anodal from the negative pole. As shown in fig. 2, in the system installation process, the problem of long lead length when the positive electrode and the negative electrode are connected is often accompanied, the field layout is disordered, and meanwhile, the increase of the lead length is accompanied with the increase of the installation cost; certainly, the photovoltaic modules can be arranged in a mode that the positive electrodes and the negative electrodes are connected in sequence, but the mode can cause the heads and the tails of the photovoltaic modules to be inverted, certain special installation places such as roofs and curtain walls cannot be suitable for scenes with special requirements on installation directions, and at the moment, two modules with opposite positive electrodes and negative electrodes, commonly called AB pieces, need to be additionally designed, and therefore great difficulty is brought to management of products.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic module of conveniently arranging to solve problem in the above-mentioned background.

The purpose of the utility model can be realized by the following technical scheme:

a photovoltaic module convenient to arrange comprises battery units which are arranged in central symmetry, wherein each battery unit comprises a plurality of battery packs connected in series;

a shunt diode is arranged among the plurality of battery packs in series through a connecting wire, and a junction box is arranged outside the shunt diode.

As a further aspect of the present invention: the battery pack includes a plurality of battery strings connected in parallel.

As a further aspect of the present invention: the battery string includes a plurality of unit cells connected in series.

The utility model has the advantages that:

(1) The utility model discloses in, the group battery includes a plurality of battery strings of parallel connection, in addition, the battery string includes a plurality of unit cell of series connection, photovoltaic module needs energy storage and energy release in the use, so, can be according to photovoltaic module's use scene demand, can suitably adjust the series quantity of unit cell in the photovoltaic module, the parallel quantity of battery string or the series quantity of group battery, make electric current and voltage can adapt to traditional photovoltaic module, all be friendlier to the installation of material and system, better be suitable for different scene demands;

(2) And this photovoltaic module forms through two the battery cell concatenations that are central symmetry and set up to all there are positive terminal and negative pole end at photovoltaic module's both ends, promptly, any one side all contains positive terminal and negative pole end in four sides of whole photovoltaic module, in the installation, has solved photovoltaic module connecting wire overall arrangement confusion effectively, the increase of wire length, the problem that the installation cost promoted, and, need not to make AB spare and reduce the use amount of wire.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic circuit diagram of the present invention;

FIG. 2 is a prior art circuit schematic;

FIG. 3 is a prior art first schematic circuit connection;

FIG. 4 is a second prior art circuit connection schematic;

FIG. 5 is a third prior art circuit connection schematic;

fig. 6 is a first schematic circuit diagram of the present invention;

FIG. 7 is a second schematic circuit diagram of the present invention;

fig. 8 is a third schematic circuit diagram of the present invention.

In the figure: 1. a battery cell; 2. a junction box; 3. a battery pack; 31. a battery string; 311. a unit cell; 4. a shunt diode; 41. and connecting the wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the utility model relates to a photovoltaic module with convenient arrangement, which comprises two battery units 1 arranged in central symmetry, wherein each battery unit 1 comprises two battery packs 3 connected in series; a shunt diode 4 is arranged between the two battery packs 3 in series through a connecting wire 41, and a junction box 2 is arranged outside the shunt diode 4; the battery pack 3 comprises a plurality of battery strings 31 connected in parallel, in addition, the battery strings 31 comprise a plurality of unit batteries 311 connected in series, and the photovoltaic module needs energy storage and discharge in the using process, so the series quantity of the unit batteries 311, the parallel quantity of the battery strings 31 or the series quantity of the battery pack 3 in the photovoltaic module can be properly adjusted according to the using scene requirements of the photovoltaic module, the current and the voltage can adapt to the traditional photovoltaic module, the installation of materials and systems is friendly, and the photovoltaic module is better suitable for different scene requirements.

Meanwhile, as the photovoltaic module receives light source irradiation from a single side, splicing is needed in the installation process, the conventional photovoltaic module is a cathode end and an anode end as shown in fig. 2, the design is often accompanied by longer lead length when the anode and the cathode are connected in the system installation process, such as fig. 3 and 4, the layout is disordered, and meanwhile, the increase of the lead length is accompanied by the increase of the installation cost; secondly, the components can be arranged according to the mode of a picture 5, but the mode can cause that the heads and the tails of the upper row of components are inverted, certain special installation places, such as roofs, curtain walls and the like, which have special requirements on installation directions cannot be applied, and at the moment, two components with opposite positive and negative poles, commonly called AB components, need to be additionally designed, which causes great difficulty in product management; and this photovoltaic module forms through two 1 concatenations that are the battery unit that centrosymmetry set up to all there are positive terminal and negative pole end at photovoltaic module's both ends, promptly, any one side all contains positive terminal and negative pole end in whole photovoltaic module's four sides, in the installation, it is chaotic to have solved photovoltaic module connecting wire overall arrangement effectively, the increase of wire length, the problem of installation cost promotion, and, need not to make AB spare and reduce the use amount of wire, as shown in fig. 6, fig. 7 and fig. 8.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like 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 directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The photovoltaic module convenient to arrange is characterized by comprising battery units (1) which are arranged in a central symmetry mode, wherein each battery unit (1) comprises a plurality of battery packs (3) which are connected in series;

a shunt diode (4) is arranged among the plurality of battery packs (3) in series through a connecting wire (41), and a junction box (2) is arranged outside the shunt diode (4).

2. An easy-to-arrange photovoltaic module according to claim 1, characterized in that the battery (3) comprises several strings (31) of cells connected in parallel.

3. An easy-to-arrange photovoltaic module according to claim 2, characterized in that the battery string (31) comprises several unit cells (311) connected in series.