CN213243922U

CN213243922U - Solar screen printing plate back electrode with limiting structure

Info

Publication number: CN213243922U
Application number: CN202022177830.5U
Authority: CN
Inventors: 邱初贵; 孙飞
Original assignee: Jiangsu Rongxuan Photoelectric Technology Co ltd
Current assignee: Jiangsu Rongxuan Photoelectric Technology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-05-18
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a solar energy half tone back electrode with limit structure, including solar energy back of the body electric field, installation kerve, back electrode piece, limiting plate, spacing mounting hole, screw hole, spacing horizontal bar and parting bead, the installation kerve is installed to the preceding terminal surface of solar energy back of the body electric field, and the upper surface laminating of installation kerve has the back electrode piece, the side surface of back electrode piece is fixed with the limiting plate, and the up end of limiting plate runs through there is spacing mounting hole, the surface laminating of back electrode piece has spacing horizontal bar, and the inner wall laminating of spacing horizontal bar has the parting bead, the left side of back electrode piece is provided with the screw hole, the guard plate is installed to the top of limiting plate. This solar energy half tone back electrode utilizes curved spacing horizontal bar can laminate in the skin of every group back electrode piece, further improves the stability that back electrode piece and solar energy back of the body electric field are connected, installs the guard plate of arc platelike structure in the skin of back electrode piece, plays certain guard action to back electrode piece.

Description

Solar screen printing plate back electrode with limiting structure

Technical Field

The utility model relates to a back electrode technical field, specific solar energy half tone back electrode with limit structure that says so.

Background

Crystalline silicon solar wafer is the solar wafer based on silicon material, solar wafer has a positive electric field and a back electric field, be equipped with back electrode on the back electric field, back electric field is formed through printing, stoving, sintering by aluminium thick liquid usually, back electrode just is passed through printing, stoving, sintering by silver thick liquid or silver-aluminium thick liquid on the back electric field, at present, back electrode and back electric field's connected mode is too simple, area of contact is less, easily lead to the fracture, reduce the light absorption quality of whole solar energy, for this reason, we provide a solar screen version back electrode with limit structure and solve above problem.

Disclosure of Invention

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a solar energy half tone back electrode with limit structure.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a solar energy half tone back electrode with limit structure, includes solar energy back of the body electric field, installation kerve, back of the body electrode piece, limiting plate, spacing mounting hole, screw hole, spacing horizontal bar and parting bead, the installation kerve is installed to the preceding terminal surface of solar energy back of the body electric field, and the upper surface laminating of installation kerve has back of the body electrode piece, the side surface of back of the body electrode piece is fixed with the limiting plate, and the up end of limiting plate runs through there is spacing mounting hole, the surface laminating of back of the body electrode piece has spacing horizontal bar, and the inner wall laminating of spacing horizontal bar has the parting bead, the left side of back of the body electrode piece is provided with the screw hole, the guard plate is installed to the top of limiting plate.

Preferably, the mounting bottom groove is concave, and the lower end face of the back electrode block is consistent with the concave structure of the mounting bottom groove.

Preferably, the back electrode block is long, and 4 groups of the back electrode blocks are arranged in a square distribution manner.

Preferably, the limiting plates are fixedly connected with the side surfaces of the back electrode blocks, and the limiting plates are distributed in bilateral symmetry about the center points of the back electrode blocks.

Preferably, the protection plate and the limiting plate form a detachable structure through sleeving, and the shape structure of the protection plate is an arc-shaped plate structure.

Preferably, the connection mode between the limiting transverse strip and the threaded hole is threaded connection, and the isolation strip is made of an insulating soft material.

The utility model has the advantages that: four groups of mounting bottom grooves with a concave design are mounted on the front end face of a solar back electric field of the device at specific positions to limit the mounting of back electrode blocks, meanwhile, the concave structure is adopted to improve the sintering combination area of the back electrode blocks and the mounting bottom grooves, further the connection strength of the solar back electric field and the back electrode blocks is improved, the light absorption quality of solar energy is improved, the limiting mounting holes penetrating through the limiting plates can be combined with the protecting plates, thus the protecting plates with arc-shaped plate structures can be mounted on the outer layers of the back electrode blocks to play a certain protection role on the back electrode blocks, the back electrode blocks are prevented from being scratched and the like, the arc-shaped limiting transverse bars can be attached to the outer layers of each group of back electrode blocks, meanwhile, the mounting is realized by the threaded connection of the limiting transverse bars and threaded holes, and the connection stability of the back electrode blocks and the solar back electric field is further improved, and the isolating bars have an insulating effect, so that the normal absorption of light energy cannot be influenced, and the structural design is reasonable.

Drawings

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

FIG. 2 is a schematic diagram of a side view structure of the back electrode block of the present invention;

fig. 3 is a schematic view of the side view structure of the position-limiting horizontal bar of the present invention.

In the figure: 1. a solar back electric field; 2. installing a bottom groove; 3. a back electrode block; 4. a limiting plate; 5. limiting the mounting hole; 6. a threaded hole; 7. a limiting transverse bar; 8. a spacer bar; 9. and (4) a protective plate.

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.

Referring to fig. 1-3, a solar screen printing plate back electrode with a limiting structure comprises a solar back electric field 1, an installation bottom groove 2, a back electrode block 3, a limiting plate 4, a limiting mounting hole 5, a threaded hole 6, a limiting cross bar 7 and a barrier bar 8, wherein the installation bottom groove 2 is installed on the front end face of the solar back electric field 1, the back electrode block 3 is attached to the upper surface of the installation bottom groove 2, a limiting plate 4 is fixed on the side surface of the back electrode block 3, the limiting mounting hole 5 penetrates through the upper end face of the limiting plate 4, the limiting cross bar 7 is attached to the outer surface of the back electrode block 3, the barrier bar 8 is attached to the inner wall of the limiting cross bar 7, the threaded hole 6 is arranged on the left side of the back electrode block 3, and a protective plate 9 is installed above the limiting plate 4.

The utility model discloses in, installation kerve 2 adopts sunken shape, and the lower terminal surface of back of the body electrode piece 3 keeps unanimous with the sunk structure of installation kerve 2, and the device's solar energy back of the body electric field 1's preceding terminal surface has installed the installation kerve 2 of four sunken designs of group in specific position, provides the restriction for the installation of back of the body electrode piece 3.

Back electrode piece 3 is rectangular form, and back electrode piece 3 is square distribution and is provided with 4 groups, adopts sunken structure can improve the area that back electrode piece 3 and installation kerve 2 sintering combine, and then improves the joint strength of solar energy back of the body electric field 1 and back electrode piece 3, improves the light absorption quality of solar energy.

Limiting plate 4 and back electrode piece 3's side surface fixed connection, and limiting plate 4 distributes about the central point bilateral symmetry of back electrode piece 3, utilizes curved spacing horizontal bar 7 can laminate at every group back electrode piece 3's skin, utilizes spacing horizontal bar 7 and threaded connection of screw hole 6 to realize the installation simultaneously, further improves the stability that back electrode piece 3 and solar energy back of the body electric field 1 are connected.

Guard plate 9 and limiting plate 4 constitute detachable construction through cup jointing, and the appearance structure arc platelike structure of guard plate 9, utilize to run through at the inside spacing mounting hole 5 of limiting plate 4 can with guard plate 9 inter combination, just so can install guard plate 9 of arc platelike structure in the skin of back of the body electrode piece 3, play certain guard action to back of the body electrode piece 3.

The connection mode between the limiting transverse bar 7 and the threaded hole 6 is threaded connection, the isolating bar 8 is made of insulating soft materials, the isolating bar 8 has an insulating effect, normal absorption of light energy cannot be influenced, and the structural design is reasonable.

The utility model discloses a theory of operation is: when the device is used, firstly four groups of mounting bottom grooves 2 with a concave design are fixed at the end surface of a solar back electric field 1, each group of mounting bottom grooves 2 is a mounting point of a group of back electrode blocks 3, because the back electrode blocks 3 and the solar back electric field 1 have larger contact area when being sintered due to the adoption of the concave structural design, the connection stability of the back electrode blocks 3 and the solar back electric field 1 is improved, meanwhile, a limiting plate 4 and the back electrode blocks 3 are relatively fixed, then limiting transverse strips 7 are attached to the outer layers of the back electrode blocks 3, the two ends of the limiting transverse strips 7 are kept in a straight line with threaded holes 6, then the limiting transverse strips 7 are fixed above the threaded holes 6 by small screws, thus the mounting of the limiting transverse strips 7 is realized, the attachment points of the limiting transverse strips 7 and the back electrode blocks 3 are isolated by isolating strips 8 made of insulating materials, and finally, the two ends of the protection plate 9 are sleeved with the limiting plate 4, so that the arc-shaped protection plate 9 is arranged on the outer layer of the back electrode block 3 to protect the back electrode block 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A solar screen back electrode with a limiting structure is characterized by comprising a solar back electric field (1), a mounting bottom groove (2), a back electrode block (3), a limiting plate (4), a limiting mounting hole (5), a threaded hole (6), a limiting transverse bar (7) and a spacing bar (8), the front end surface of the solar back electric field (1) is provided with an installation bottom groove (2), a back electrode block (3) is attached to the upper surface of the mounting bottom groove (2), a limiting plate (4) is fixed on the side surface of the back electrode block (3), a limiting mounting hole (5) penetrates through the upper end surface of the limiting plate (4), a limiting transverse bar (7) is attached to the outer surface of the back electrode block (3), and the inner wall of spacing horizontal bar (7) is laminated with spacing strip (8), the left side of back electrode piece (3) is provided with screw hole (6), guard plate (9) are installed to the top of limiting plate (4).

2. The solar screen back electrode with the limiting structure according to claim 1, wherein: the mounting bottom groove (2) is concave, and the lower end face of the back electrode block (3) is consistent with the concave structure of the mounting bottom groove (2).

3. The solar screen back electrode with the limiting structure according to claim 1, wherein: the back electrode block (3) is in a long strip shape, and 4 groups of the back electrode block (3) are arranged in a square shape.

4. The solar screen back electrode with the limiting structure according to claim 1, wherein: the limiting plates (4) are fixedly connected with the side surfaces of the back electrode blocks (3), and the limiting plates (4) are distributed in a bilateral symmetry mode about the center points of the back electrode blocks (3).

5. The solar screen back electrode with the limiting structure according to claim 1, wherein: the protection plate (9) and the limiting plate (4) form a detachable structure through sleeving, and the protection plate (9) is of an arc-shaped plate structure in an appearance structure.

6. The solar screen back electrode with the limiting structure according to claim 1, wherein: the connection mode between the limiting transverse strips (7) and the threaded holes (6) is threaded connection, and the isolating strips (8) are made of insulating soft materials.