CN210431330U

CN210431330U - Solar cell module with angle milling protection structure

Info

Publication number: CN210431330U
Application number: CN201921895943.XU
Authority: CN
Inventors: 刘兵元
Original assignee: Jiangsu Nabai Photovoltaic Technology Co Ltd
Current assignee: Jiangsu Nabai Photovoltaic Technology Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-04-28
Anticipated expiration: 2029-11-06

Abstract

The utility model belongs to the technical field of solar cell, especially, for a solar module with mill angle protection architecture, including battery piece locating plate and circuit distribution board, the equipartition is equipped with the positioning hole on the battery piece locating plate, and the positioning hole is the fretwork of rectangle structure, and the corner of positioning hole is equipped with mills the angle limit, and the bottom surface of positioning hole is equipped with electrically conductive hole, and the gomphosis has the battery piece monomer in the positioning hole, and the free bottom surface of battery piece is equipped with electrically conductive solder joint, mills angle limit and the free corner phase-match of battery piece. The utility model discloses a mill the corner limit and the free corner phase-match of battery piece, carry out accurate location to it for elasticity conductive contact can be accurate with electrically conductive solder joint electric connection, welded operating procedure and manufacturing cost in the traditional photovoltaic battery piece subassembly that subtracts, when photovoltaic battery piece subassembly has a performance harmfully, only need reveal panel glass, replace a good performance battery piece monomer can, reduced the maintenance cost in the photovoltaic battery use by a wide margin.

Description

Solar cell module with angle milling protection structure

Technical Field

The utility model relates to a solar cell technical field specifically is a solar module with mill angle protection architecture.

Background

The solar cell module is also called as a solar cell panel and a photovoltaic module, is a core part in a solar power generation system, is formed by connecting and tightly packaging a plurality of single cells in series and in parallel, and has the function of converting solar energy into electric energy, or sending the electric energy to a storage battery for storage, or pushing a load to work, the quality and the cost of the solar cell module directly determine the quality and the cost of the whole system, and the solar cell module consists of high-efficiency single crystal and polycrystal solar cells, low-iron super white suede toughened glass, packaging materials (EVA, POE and the like), a functional back plate, interconnection bars, bus bars, a junction box and an aluminum alloy frame. The service life can reach 15-25 years; among them, the photoelectric conversion efficiency of the single crystal silicon solar cell is about 17%, the highest is 24%, which is the highest among all kinds of solar cells, but the manufacturing cost is so high that it cannot be widely and generally used in large quantities, because the single crystal silicon is generally packaged into an assembly by using tempered glass and waterproof resin.

The current solar cell module has the following problems:

1. at present, the solar cell module needs to weld the cell panel single sheet on the bus bar in the assembling process, so that the operation is complex, and the cell panel single sheet is not easy to replace after being damaged due to the fixed connection after being welded.

2. At present, under the high-temperature state with strong illumination, the heat dissipation of a battery piece is poor, so that the light conversion rate of the solar battery component is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a solar module with mill angle protection architecture has solved the problem that current solar module panel monolithic damages difficult change and the strong high temperature state of illumination down light conversion rate reduces behind the back.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a solar cell module with a milling angle protection structure comprises a cell positioning plate and a circuit distribution plate, wherein positioning pits are uniformly distributed on the cell positioning plate and are hollow parts with rectangular structures, corner milling edges are arranged at the corners of the positioning pits, conductive holes are formed in the bottom surface of each positioning pit, a cell monomer is embedded in each positioning pit, a conductive welding spot is arranged on the bottom surface of each cell monomer and is matched with the corners of the corresponding cell, the conductive holes correspond to the conductive welding spots, the bottom end of the cell positioning plate is connected with the circuit distribution plate, elastic conductive contacts are uniformly distributed and fixed on the circuit distribution plate, the elastic conductive contacts penetrate through the corresponding conductive holes and are electrically connected with the conductive welding spots, a top edge is arranged at the side edge of the top surface of the cell positioning plate, and panel glass is fixed on the top surface of the cell positioning plate in a laminating manner, the top edge is in blocking connection with the edge of the panel glass, and packaging materials are filled between the edge of the panel glass and the top edge.

As an optimal technical scheme of the utility model, the top surface laminating in positioning hole has been scribbled the heat dissipation silicone grease layer, the top surface laminating on heat dissipation silicone grease layer is connected the free bottom surface of battery piece.

As a preferred technical scheme of the utility model, the avris of battery piece locating plate is connected with the cell type frame, the both sides of cell type frame are equipped with the elasticity side, two the elasticity side is the lock joint respectively the circuit distribution board with panel glass's side.

As an optimized technical scheme of the utility model, the bottom surface fixed mounting of circuit distribution board has the stabiliser, the input of stabiliser passes through the internal circuit electric connection of circuit distribution board the electrically conductive contact of elasticity.

As an optimized technical scheme of the utility model, the top surface of elasticity conductive contact is the rough surface structure, the top surface of elasticity conductive contact is equipped with the silvered film.

As an optimized technical scheme of the utility model, the inboard laminating of cell type frame has sealed shock absorber layer, the both ends of cell type frame are forty-five degrees angle structure and are connected there is the angle joint spare.

(III) advantageous effects

Compared with the prior art, the utility model provides a solar module with mill angle protection architecture possesses following beneficial effect:

1. this solar module with mill angle protection architecture mills angle limit and the free corner phase-match of battery piece, carries out accurate location to it for elasticity conductive contact can be accurate with electrically conductive solder joint electric connection, the welded operating procedure and the manufacturing cost in the traditional photovoltaic battery piece subassembly that subtract, when photovoltaic battery module has a performance bad, only need uncover panel glass, replace a good performance battery piece monomer can, reduced the maintenance cost in the photovoltaic battery use by a wide margin.

2. This solar module with mill angle protection architecture has scribbled the heat dissipation silicone grease layer in the top surface laminating in the pilot pit, and the free bottom surface of battery piece is connected in the top surface laminating on heat dissipation silicone grease layer, through the insulating and radiating function on heat dissipation silicone grease layer, conducts away the heat that the battery piece monomer produced after light shines, promotes the free conversion efficiency of battery piece.

Drawings

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

fig. 2 is the side-cut structure schematic diagram of the utility model.

In the figure: 1. a battery plate positioning plate; 101. a top edge; 2. positioning a pit; 201. milling an angle edge; 202. a conductive via; 203. a heat-dissipating silicone layer; 3. a battery piece monomer; 301. electrically conductive solder joints; 4. a circuit distribution board; 401. an elastic conductive contact; 5. a panel glass; 6. a trough-shaped frame; 601. an elastic side edge; 602. sealing the shock-absorbing layer; 603. a corner connector; 7. a voltage regulator.

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.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: a solar cell module with a milling angle protection structure comprises a cell positioning plate 1 and a circuit distribution plate 4, wherein positioning pits 2 are uniformly distributed on the cell positioning plate 1, the positioning pits 2 are hollow parts with rectangular structures, corner milling edges 201 are arranged at the corners of the positioning pits 2, conductive holes 202 are arranged at the bottom surface of the positioning pits 2, a cell monomer 3 is embedded in the positioning pits 2, conductive welding spots 301 are arranged at the bottom surface of the cell monomer 3, the corner milling edges 201 are matched with the corners of the cell monomer 3, the conductive holes 202 correspond to the conductive welding spots 301, the bottom end of the cell positioning plate 1 is connected with the circuit distribution plate 4, elastic conductive contacts 401 are uniformly distributed and fixed on the circuit distribution plate 4, the elastic conductive contacts 401 penetrate through the corresponding conductive holes 202 and are electrically connected with the conductive welding spots 301, a top edge 101 is arranged at the side of the top surface of the cell positioning plate 1, and panel glass 5 is adhered and fixed on the top surface of the cell, the top edge 101 blocks the edge of the panel glass 5, and the space between the side edge of the panel glass 5 and the top edge 101 is filled with an encapsulation material.

In this embodiment, the circuit distribution plate 4 is placed on the installation workbench, the battery plate positioning plate 1 is placed on the top surface thereof, the elastic conductive contacts 401 penetrate through the corresponding conductive holes 202, and then the battery plate monomers 3 are embedded into the positioning pits 2 one by one, so that the battery plate monomers 3 are automatically and correspondingly connected with the elastic conductive contacts 401 through the conductive welding spots 301, after the battery plate monomers 3 are all embedded into the positioning pits 2, the panel glass 5 covers the top surface of the battery plate positioning plate 1, air is exhausted from gaps on the top surface of the battery plate positioning plate 1 in a pressure or vacuum negative pressure manner, then the panel glass 5 is filled with a packaging material, such as waterproof glue, glass glue and the like, at this time, the packaging material bonds the battery plate positioning plate 1, the circuit distribution plate 4 and the panel glass 5 into a whole, and the top surface of the battery plate monomers 3 is free of air, so that the light guiding performance is good, the power generation efficiency is high; milling corner limit 201 and battery piece monomer 3's corner phase-match, carrying out accurate location to it for elasticity conductive contact 401 can be accurate with electrically conductive solder joint 301 electric connection, if photovoltaic cell subassembly has a performance when bad, only need uncover panel glass 5, then find a battery piece monomer 3 of damage, replace another battery piece monomer 3 of good performance can.

Specifically, a heat dissipation silicone grease layer 203 is coated on the top surface of the positioning pit 2 in an attaching manner, and the top surface of the heat dissipation silicone grease layer 203 is attached to and connected with the bottom surface of the battery piece single body 3.

In this embodiment, because battery piece monomer 3 when the temperature risees, its photoelectric conversion rate can descend, in order to restrain the high temperature inefficiency power generation problem of battery piece monomer 3, through the insulating and radiating function of heat dissipation silicone grease layer 203, the heat conduction that produces after passing through light irradiation with battery piece monomer 3 goes out, promotes battery piece monomer 3's conversion efficiency.

Specifically, the side of the battery piece positioning plate 1 is connected with a groove-shaped frame 6, two sides of the groove-shaped frame 6 are provided with elastic side edges 601, and the two elastic side edges 601 are respectively fastened with the side of the circuit distribution plate 4 and the side of the panel glass 5.

In this embodiment, the groove-shaped frame 6 is fastened to the circuit distribution plate 4, the panel glass 5 and the battery piece positioning plate 1 therebetween, the groove-shaped frame 6 adopts an aluminum alloy groove or a stainless steel groove with an inward inclination angle, and the aluminum alloy groove or the stainless steel groove has elasticity, so that the circuit distribution plate 4, the panel glass 5 and the battery piece positioning plate 1 are fastened into a whole through the elasticity of the groove-shaped frame.

Specifically, a voltage regulator 7 is fixedly mounted on the bottom surface of the circuit distribution board 4, and an input end of the voltage regulator 7 is electrically connected to the elastic conductive contact 401 through an internal circuit of the circuit distribution board 4.

In this embodiment, the voltage stabilizer 7 adopts a JY0502-1 type solar cell dedicated voltage stabilizing module, can regulate the current generated by the cell monomer 3 under different illumination levels, so that the current meets the output standard, and then stores or incorporates the current into the power grid.

Specifically, the top surface of the elastic conductive contact 401 is a rough surface structure, and the top surface of the elastic conductive contact 401 is provided with a silver plating layer.

In this embodiment, elasticity conductive contact 401's top surface is the rough surface structure, can with the abundant contact of electrically conductive solder joint 301, realizes good electrically conductive effect, and elasticity conductive contact 401's top surface is equipped with the silvered film, and the silvered film has good wire performance to the silvered film is also good to lead linear at the silver oxide after the oxidation itself, consequently can be well with the electric current conduction in the battery piece monomer 3 to the stabiliser 7 in, make the utility model discloses need not influence the generating efficiency because of the oxidation problem of contact point within life.

Specifically, the inner side of the groove-shaped frame 6 is attached with a sealing shock-absorbing layer 602, and two ends of the groove-shaped frame 6 are in a forty-five degree angle structure and are connected with an angle connecting piece 603.

In this embodiment, sealed buffer layer 602 seals simultaneously and the shock attenuation to the avris of circuit distribution board 4 and panel glass 5 of two elasticity side 601 lock joints on the cell type limit to reach waterproof and absorbing effect, prolong the utility model discloses possess good life and incorruptibility, its structural strength of reinforcing is connected to two adjacent cell type frames 6 to angle joint spare 603, and the utility model discloses the subassembly is fixed through crossbeam or longeron on angle joint spare 603 and the mounting bracket, the installation of the subassembly of being convenient for.

The voltage stabilizer 7 in the present embodiment is a known technology that has been disclosed and widely used in industrial production and daily life.

The utility model discloses a theory of operation and use flow: the circuit distribution plate 4 is placed on the installation workbench, then the battery plate positioning plate 1 is placed on the top surface of the installation workbench, the elastic conductive contacts 401 penetrate through the corresponding conductive holes 202, then the battery plate monomers 3 are embedded into the positioning pits 2 one by one, the single cell 3 is automatically connected with the elastic conductive contact 401 by the conductive welding spot 301, after the single cell 3 is embedded in the positioning pit 2, the panel glass 5 is covered on the top surface of the cell positioning plate 1, air is exhausted from the gaps on the top surface of the battery plate positioning plate 1 in a pressure or vacuum negative pressure mode, then, encapsulating materials such as waterproof glue, glass glue and the like are poured into the panel glass 5, at the moment, the battery piece positioning plate 1, the circuit distribution plate 4 and the panel glass 5 are bonded into a whole by the encapsulating materials, and the top surface of the battery piece monomer 3 is free of air, so that the light guide performance is good, and the power generation efficiency is high; the milled corner edge 201 is matched with the corner of the battery piece monomer 3, and the battery piece monomer 3 is accurately positioned, so that the elastic conductive contact 401 can be accurately and electrically connected with the conductive welding point 301, if the photovoltaic battery assembly has one piece with poor performance, the panel glass 5 is only required to be uncovered, then the damaged battery piece monomer 3 is found, and the other battery piece monomer 3 with good performance is replaced; heat dissipation silicone grease layer 203 has been paintd in the top surface laminating of positioning pit 2, and the bottom surface of battery piece monomer 3 is connected in the top surface laminating of heat dissipation silicone grease layer 203, through the insulating and radiating function of heat dissipation silicone grease layer 203, goes out the heat conduction that battery piece monomer 3 produced after light shines, promotes battery piece monomer 3's conversion efficiency.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a solar module with mill angle protection architecture, includes battery piece locating plate (1) and circuit distribution board (4), its characterized in that: the battery piece positioning plate is characterized in that positioning pits (2) are uniformly distributed on the battery piece positioning plate (1), each positioning pit (2) is a hollow-out structure with a rectangular structure, corner milling edges (201) are arranged at corners of each positioning pit (2), conductive holes (202) are arranged at the bottom surface of each positioning pit (2), a battery piece monomer (3) is embedded in each positioning pit (2), conductive welding spots (301) are arranged at the bottom surface of each battery piece monomer (3), the corner milling edges (201) are matched with the corners of the battery piece monomers (3), the conductive holes (202) correspond to the conductive welding spots (301), the bottom end of the battery piece positioning plate (1) is connected with a circuit distributing plate (4), elastic conductive contacts (401) are uniformly distributed on the circuit distributing plate (4), the elastic conductive contacts (401) all penetrate through the conductive holes (202) corresponding to the conductive welding spots (301), the avris of battery piece locating plate (1) top surface is equipped with top edge (101), the top surface laminating of battery piece locating plate (1) is fixed with panel glass (5), the top edge (101) keep off and connect the border of panel glass (5), the avris of panel glass (5) with it has packaging material to fill between top edge (101).

2. The solar cell module with the milling angle protection structure as set forth in claim 1, wherein: the top surface of the positioning pit (2) is coated with a heat dissipation silicone grease layer (203), and the top surface of the heat dissipation silicone grease layer (203) is connected with the bottom surface of the battery piece monomer (3).

3. The solar cell module with the milling angle protection structure as set forth in claim 1, wherein: the avris of battery piece locating plate (1) is connected with cell type frame (6), the both sides of cell type frame (6) are equipped with elasticity side (601), two elasticity side (601) lock joint respectively circuit distribution board (4) with the avris of panel glass (5).

4. The solar cell module with the milling angle protection structure as set forth in claim 1, wherein: the bottom surface of the circuit distribution plate (4) is fixedly provided with a voltage stabilizer (7), and the input end of the voltage stabilizer (7) is electrically connected with the elastic conductive contact (401) through the internal circuit of the circuit distribution plate (4).

5. The solar cell module with the milling angle protection structure as set forth in claim 1, wherein: the top surface of the elastic conductive contact (401) is of a rough surface structure, and the top surface of the elastic conductive contact (401) is provided with a silver coating.

6. The solar cell module with the milling angle protection structure as set forth in claim 3, wherein: the inner side of the groove-shaped frame (6) is attached with a sealing shock absorption layer (602), and two ends of the groove-shaped frame (6) are of a forty-five-degree angle structure and are connected with an angle connecting piece (603).