CN212991106U

CN212991106U - Plug-in type photovoltaic small assembly

Info

Publication number: CN212991106U
Application number: CN202022065220.6U
Authority: CN
Inventors: 王启战
Original assignee: Hanmoni Jiangsu Photoelectric Technology Co ltd
Current assignee: Hanmoni Jiangsu Photoelectric Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-04-16
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a cartridge formula photovoltaic little subassembly, its technical scheme main points are including the lamination piece, the lamination piece inserts in the plastic frame through minor face insertion mode, the end-to-end connection of lamination piece has the lead-out wire, the lead-out wire links to each other with the connector, the inboard position of the lamination piece inserted hole of plastic frame is provided with the lamination piece and prevents withdrawing from the shell fragment, the horizontal fastening shell fragment of unit mount is installed to long limit one side of plastic frame, the back mounted of plastic frame has plane fastening shell fragment, plane fastening shell fragment opening is towards the outside, the back mounted of plastic frame has lamination piece fastening shell fragment, lamination piece fastening shell fragment opening is inboard, be provided with the unit mount stuck point on the long limit opposite side subassembly of plastic frame, plane slant fastening shell. The plug-in type photovoltaic small module is convenient to produce in a plug-in type combination mode, and the production efficiency is improved; the plastic frame adopts various spring sheet modes to fasten the assembly and the laminated part, so that the matching performance between the parts is improved.

Description

Plug-in type photovoltaic small assembly

Technical Field

The utility model belongs to the technical field of the solar PV modules, concretely relates to cartridge formula photovoltaic little subassembly.

Background

With the development of the photovoltaic application field, the application of the photovoltaic subdivision industry is gradually increased, the production of small photovoltaic modules is more and more complicated, and the installation and the manufacture of the photovoltaic modules are changed; in addition, along with the continuous development of photovoltaic technology, the difference of electrical performance parameters generated by various technologies is larger and larger, different technologies are difficult to be compatible, the photovoltaic.

Disclosure of Invention

An object of the utility model is to provide a cartridge formula photovoltaic little subassembly to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cartridge formula photovoltaic little subassembly, includes the lamination piece, the lamination piece inserts in the plastic frame through the minor face insertion mode, the end-to-end connection of lamination piece has the lead-out wire, the lead-out wire links to each other with the connector, the lamination piece inserted hole inboard position of plastic frame is provided with the lamination piece and prevents withdrawing from the shell fragment, the horizontal fastening shell fragment of unit mount is installed to the long limit one side of plastic frame, the back mounted of plastic frame has plane fastening shell fragment, plane fastening shell fragment opening towards the outside, the back mounted of plastic frame has lamination piece fastening shell fragment, lamination piece fastening shell fragment opening is inboard, be provided with the unit mount stuck point on the long limit opposite side subassembly of plastic frame, plane slant fastening shell fragment is installed to one side.

Preferably, the laminated part is formed by connecting conventional battery pieces in series by using photovoltaic welding strips, and the photovoltaic welding strips are used for connecting the positive electrode and the negative electrode of the battery pieces.

Preferably, the laminate consists of MWT or IBC cell back side tandem.

Preferably, the laminated part is composed of a laminated cell piece in a laminated manner, a laminated photovoltaic laminated part cell string is led out from head to tail by using a T-shaped welding strip, and the T-shaped welding strip is welded to the positive electrode or the negative electrode of the assembly cell string.

Preferably, the contact position of the outgoing line and the back surface of the photovoltaic assembly laminating piece is sealed by photovoltaic pouring sealant or electronic pouring sealant.

Preferably, the connector is connected to the other end of the outgoing line, and the positive electrode and the negative electrode are arranged on the same connector.

Preferably, the inner side of the plastic frame is provided with a nameplate bonding position.

The utility model discloses a technological effect and advantage: the plug-in type photovoltaic small module is convenient to produce in a plug-in type combination mode, and the production efficiency is improved; the plastic frame of the utility model adopts a plurality of elastic sheet fastening components and laminating parts to increase the matching performance between the components; meanwhile, the invention is suitable for various photovoltaic technologies, and the selectivity of accessories is increased.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a photovoltaic solder strip connection structure;

FIG. 3 is a schematic view of a laminate lead wire structure;

fig. 4 is a schematic view of a tandem photovoltaic laminate structure;

fig. 5 is a schematic diagram of a back-contact photovoltaic laminate structure;

fig. 6 is a schematic view of a shingled photovoltaic laminate structure;

fig. 7 is a schematic view of a plastic frame structure of the plastic frame.

In the figure: 1-plastic frame; 2-a battery piece; 3-photovoltaic solder strip; 4-sealing glue points of the outgoing lines; 5-leading-out wire; 6-a connector; 7-T rows of welding strips; 8-a tandem photovoltaic laminate; 9-a back contact photovoltaic laminate; 10-a shingled photovoltaic laminate; 11-laminate anti-back-out shrapnel; 12-nameplate bonding location; 13-the assembly is provided with a transverse fastening elastic sheet; 14-fastening elastic sheets on the component mounting plane; 15-laminate fastening tabs; 16-component mounting clip points; 17-fastening the elastic sheet obliquely on the assembly mounting plane; 18-component insertion opening.

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 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.

The utility model provides a cartridge formula photovoltaic little subassembly as shown in figures 1-7, including lamination piece 2, lamination piece 2 inserts in plastic frame 1 through the minor face insertion mode, the lamination piece mainly is selected by three kinds: 1. the photovoltaic welding strips of the conventional battery pieces are connected in series; 2.MWT or IBC cell back side tandem, 3. shingled cell sheet shingle, the following examples will illustrate the three laminates in detail. The tail end of the laminated part 2 is connected with a lead-out wire 5, the lead-out wire 5 is connected with a connector 6, a laminated part anti-withdrawal elastic sheet 11 is arranged at the inner side of a laminated part insertion opening 18 of the plastic frame 1, and the anti-withdrawal elastic sheet is elastic and slightly inclined inwards at the inner edge of the short edge insertion opening and is used for preventing the component from withdrawing after being inserted; a component mounting transverse fastening elastic sheet 13 is arranged on one side of the long side of the plastic frame 1 and used for preventing left and right deviation; the back of the plastic frame 1 is provided with a plane fastening elastic sheet 14, and the opening of the plane fastening elastic sheet 14 faces outwards to prevent the assembly from shifting up and down after being mounted on equipment; the back of the plastic frame 1 is provided with a lamination part fastening elastic sheet 15, the opening of the lamination part fastening elastic sheet 15 faces to the inner side, the lamination part is prevented from moving up and down after the lamination part is inserted, and the lamination part fastening elastic sheet is kept closely connected with the upper opening of the assembly; the assembly installation clamping point 16 is arranged on the assembly on the other side of the long edge of the plastic frame 1 and used for preventing the assembly from falling off, the plane oblique fastening elastic sheet 17 is installed on one side of the inlet and outlet of the plastic frame 1, the assembly is vertically deviated after being inserted, and the oblique design also prevents the assembly from being deviated from front to back.

Specifically, the contact position of the outgoing line 5 and the back surface of the photovoltaic assembly laminating piece is sealed by photovoltaic pouring sealant or electronic pouring sealant. The connector 6 is connected to the other end of the outgoing line 5, and the positive electrode and the negative electrode are arranged on the same connector. The inner side of the plastic frame 1 is also provided with a nameplate bonding position 12, and the nameplate bonding position 12 can be one or more.

Example 1

The laminated part 2 is a tandem type photovoltaic laminated part 8 which is formed by connecting a conventional battery piece in series by using a photovoltaic welding strip, and the photovoltaic welding strip connects the positive electrode and the negative electrode of the battery piece. Specifically, refer to fig. 4, which mainly includes a battery piece 2 and a photovoltaic solder strip 3, wherein the photovoltaic solder strip 3 includes a solder strip body, the solder strip body is a solder strip having at least one planar structure, and the planar structure of the solder strip body is attached to the photovoltaic battery piece. The function of solder strip is to establish ties a plurality of photovoltaic cell pieces in photovoltaic module, when the solder strip establishes ties the battery piece, solder strip partly is connected with the front series connection of battery piece, another part is connected with the back series connection of battery piece, solder strip body just needs to have certain kink position so, make the solder strip can extend to the back of battery piece from the front of battery piece, consequently will make and laminate for the plane between battery piece and the solder strip body, solder strip just needs two planar structure not in the coplanar so at least, make the area of contact of solder strip body and battery piece reach the biggest. Typically the solder strip body is a solder strip having a rectangular cross section. If the welding strip is formed by connecting the battery pieces in series, part of the welding strip is positioned on the front side of the battery pieces, and part of the welding strip is positioned on the back side of the battery pieces, so that the shape of the welding strip body is Z-shaped, and the contact of the two planar battery pieces can be well considered.

Example 2

The lamination part 2 is a back contact type photovoltaic lamination part 9 which is formed by connecting MWT or IBC battery back sides in series, specifically referring to FIG. 5, the MWT solar battery pack string comprises a plurality of MWT solar battery units, and the edges of the opposite sides of each MWT solar battery unit are respectively provided with a front electrode contact point and a back electrode contact point;

the MWT solar battery units are arranged in multiple rows and multiple columns, and front electrode contact points and back electrode contact points of the MWT solar battery units in adjacent rows and adjacent columns are arranged alternately;

each MWT solar cell unit is connected with the MWT solar cell unit of the adjacent row in series and is connected with the MWT solar cell unit of the adjacent column in series, so that the MWT solar cell battery string forms a current path; and forming a positive electrode and a negative electrode at adjacent edges of two adjacent MWT solar cell units located at the outermost side of the MWT solar cell group string.

The IBC battery string comprises a plurality of IBC battery boards packaged in series, and the IBC battery boards are connected through a welding strip; a passivation layer is arranged on the back surface of the IBC battery plate and insulates and isolates a first electrode and a second electrode of the IBC battery plate; and the electrode of the IBC battery is connected with the welding strip through a conductive adhesive layer.

Example 3

The laminated part 2 can be a laminated photovoltaic laminated part 10 which is specifically composed of laminated cell plates in a laminated manner, the head and the tail of a laminated photovoltaic laminated part cell string are led out by using a T-shaped welding strip, and the T-shaped welding strip is welded on the positive electrode or the negative electrode of the assembly cell string. Specifically, can refer to the picture, the shingled photovoltaic module adopts the shingled battery piece shingled formula to pile up the welding or bond into the shingled battery cluster, the one end welding of shingled battery cluster has the head to weld the area, and the other end welding of shingled battery cluster has the afterbody to weld the area, the head welds the area and welds or bonds on battery cluster front electrode, the afterbody welds the area and welds or bonds on the back electrode of battery cluster, the shingled battery piece shingled formula piles up the welding or bonds into the shingled battery cluster, wherein the positive side up of shingled battery piece is provided with battery piece front electrode, the side down of the back of battery piece is provided with battery piece back electrode, is connected through conducting resin between battery piece front electrode and the battery piece back electrode.

The invention has the technical effects that: the invention adopts a plug-in combination mode to facilitate production and improve the production efficiency. The plastic frame adopts various spring sheet modes to fasten the assembly and the laminated part, so that the matching performance between the parts is improved. The photovoltaic power generation device is suitable for various photovoltaic technologies, and the selection types of accessories are increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a cartridge formula photovoltaic little subassembly which characterized in that: comprises a laminating part (2), the laminating part (2) is inserted into a plastic frame (1) in a short edge insertion mode, the tail end of the laminating part (2) is connected with an outgoing line (5), the outgoing line (5) is connected with a connector (6), a laminating part anti-exit elastic sheet (11) is arranged at the inner side of a laminating part insertion hole (18) of the plastic frame (1), an assembly installation transverse fastening elastic sheet (13) is installed at one side of the long edge of the plastic frame (1), a plane fastening elastic sheet (14) is installed at the back of the plastic frame (1), the opening of the plane fastening elastic sheet (14) faces to the outside, a laminating part fastening elastic sheet (15) is installed at the back of the plastic frame (1), the opening of the laminating part fastening elastic sheet (15) faces to the inside, and an assembly installation clamping point (16) is arranged on the assembly at, and a plane oblique fastening elastic sheet (17) is arranged on one side of the inlet and outlet of the plastic frame (1).

2. The plug-in photovoltaic sub-assembly of claim 1, further comprising: the laminated part (2) is formed by connecting conventional battery pieces in series by photovoltaic welding strips, and the photovoltaic welding strips are used for connecting the positive electrode and the negative electrode of the battery pieces.

3. The plug-in photovoltaic sub-assembly of claim 1, further comprising: the laminate (2) consists of MWT or IBC cell back side tandem.

4. The plug-in photovoltaic sub-assembly of claim 1, further comprising: the laminated part (2) is composed of laminated cells in a laminated manner, the head and the tail of a laminated photovoltaic laminated part cell string are led out by using T-shaped welding strips, and the T-shaped welding strips are welded to the positive electrode or the negative electrode of the assembly cell string.

5. The plug-in photovoltaic sub-assembly of claim 1, further comprising: and the contact part of the outgoing line (5) and the back surface of the photovoltaic assembly laminating part is sealed by using photovoltaic pouring sealant or electronic pouring sealant.

6. The plug-in photovoltaic sub-assembly of claim 1, further comprising: the connector (6) is connected to the other end of the outgoing line (5), and the positive electrode and the negative electrode are arranged on the same connector.

7. The plug-in photovoltaic sub-assembly of claim 1, further comprising: and a nameplate bonding position (12) is arranged on the inner side of the plastic frame (1).