CN218482820U

CN218482820U - Polycrystalline silicon chip with high conversion efficiency

Info

Publication number: CN218482820U
Application number: CN202221987907.8U
Authority: CN
Inventors: 何飞; 方艺霖; 张靖
Original assignee: Jiangsu Derun Photoelectric Technology Co ltd
Current assignee: Jiangsu Derun Photoelectric Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-02-14
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a polycrystalline silicon piece that conversion efficiency is high of polycrystalline silicon piece technical field, including framework and solar energy polycrystalline silicon piece body, and the open end of framework is connected with the bottom, and the first-class logical groove that the intercommunication set up is seted up to the lateral wall of framework, set up the second circulation groove with first-class logical groove intercommunication in the bottom, and the intermediate position of bottom sets up the outlet of intercommunication second circulation groove, the top and the bottom that first-class logical groove are equipped with the multiunit fixed block, install solar energy polycrystalline silicon piece body between the adjacent fixed block, the lower surface of solar energy polycrystalline silicon piece body is equipped with the silicon nitride film, and the rivers hole of intercommunication first-class logical groove is seted up to one side of multiunit fixed block, the utility model discloses a silicon nitride film can greatly improve the conversion efficiency of light energy, and can discharge the water on the solar energy polycrystalline silicon piece body through first circulation groove, second circulation groove and outlet, reduces the corruption to solar energy polycrystalline silicon piece body, has prolonged its life.

Description

Polycrystalline silicon chip with high conversion efficiency

Technical Field

The utility model relates to a polycrystalline silicon chip technical field specifically is a polycrystalline silicon chip that conversion efficiency is high.

Background

With the increasing prominence of the energy crisis, the development and utilization of new energy become the main subject of research in the energy field at present, and the research of solar power generation becomes the main direction for developing and utilizing new energy due to the advantages of no pollution, no regional limitation, inexhaustibility and the like of solar energy. Crystalline silicon solar cells, i.e., solar cells made from crystalline silicon wafers, are the mainstream products in the solar cell industry today. Present polycrystalline silicon piece's conversion efficiency is low, leads to the utilization ratio of light energy lower, and the practicality is poor, and current polycrystalline silicon piece is installed in the frame mostly, and the framework is mostly sealed the setting, does not have the drainage function, leads to the rainwater to save and can lead to the fact the corruption to polycrystalline silicon piece, influences life, for this reason, we provide a polycrystalline silicon piece that conversion efficiency is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polycrystalline silicon piece that conversion efficiency is high to solve the problem that the polycrystalline silicon piece conversion efficiency that proposes among the above-mentioned background art is low and life is low.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a polycrystalline silicon piece that conversion efficiency is high, includes framework and solar energy polycrystalline silicon piece body, the framework cross-section is the U style of calligraphy, and the open end of framework is connected with the bottom, the first circulation groove that the intercommunication set up is seted up to the lateral wall of framework, set up the second circulation groove with first circulation groove intercommunication in the bottom, and the intermediate position of bottom sets up the outlet of intercommunication second circulation groove, the top and the bottom that first circulation groove is equipped with the multiunit fixed block, and is adjacent install solar energy polycrystalline silicon piece body between the fixed block, and the upper surface of solar energy polycrystalline silicon piece body is equipped with low carbon toughened glass, the lower surface of solar energy polycrystalline silicon piece body is equipped with silicon nitride film, multiunit the rivers hole of intercommunication first circulation groove is seted up to one side of fixed block.

Further: and the middle position of the top of the frame body is provided with an air blower, and an air outlet of the air blower is communicated with the first circulation groove through two groups of air supply pipes.

Further: the outer wall of the two sides of the bottom cover is provided with an L-shaped mounting plate, and the L-shaped mounting plate is connected in the frame body through a locking bolt.

Further: the L-shaped mounting plate comprises a transverse plate and a vertical plate, the transverse plate is attached to the lower surface of the bottom cover, the vertical plate is attached to the outer wall of the bottom end of the frame body, and vertical inserting locking bolts are arranged in the vertical plate.

Further: the thickness of the silicon nitride film is 95-100 mu m.

Further: and a sealing gasket is arranged at the joint of the bottom cover and the frame body.

Further: and a rubber pad is arranged on the inner side surface of the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that:

the silicon nitride film is arranged on the lower surface of the solar polycrystalline silicon wafer body, so that the conversion efficiency of light energy is greatly improved; the water flow holes can convey water on the solar polycrystalline silicon wafer body into the first circulation groove, after the air blower works, air can be conveyed into the first circulation groove and the second circulation groove through the air supply pipe, collected water finally flows out through the water outlet, rainwater is reduced to flow on the solar polycrystalline silicon wafer body, corrosion to the solar polycrystalline silicon wafer body is reduced, and the service life of the solar polycrystalline silicon wafer body is prolonged; and the solar polycrystalline silicon wafer body is arranged between the adjacent fixing blocks and is arranged in the frame body by using the bottom cover, the L-shaped mounting plate and the locking bolt, so that the dismounting method is simple.

Drawings

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

FIG. 2 is a cross-sectional view of the frame body of the present invention;

fig. 3 is a schematic structural view of the solar polycrystalline silicon wafer body of the present invention.

In the figure: 1. a frame body; 2. a solar polycrystalline silicon wafer body; 3. a bottom cover; 4. an L-shaped mounting plate; 5. locking the bolt; 6. a blower; 7. an air supply pipe; 8. a water outlet; 9. a first circulation slot; 10. a second circulation groove; 11. a fixed block; 12. a water flow hole; 13. low-carbon toughened glass; 14. and a silicon nitride film.

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 efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution: a polycrystalline silicon wafer with high conversion efficiency comprises a frame body 1 and a solar polycrystalline silicon wafer body 2, wherein the cross section of the frame body 1 is U-shaped, the open end of the frame body 1 is connected with a bottom cover 3, the side wall of the frame body 1 is provided with a first flow through groove 9 which is communicated, a second flow through groove 10 which is communicated with the first flow through groove 9 is arranged in the bottom cover 3, a water outlet 8 which is communicated with the second flow through groove 10 is arranged at the middle position of the bottom cover 3, a plurality of groups of fixing blocks 11 are arranged at the top and the bottom of the first flow through groove 9, the solar polycrystalline silicon wafer body 2 is arranged between the adjacent fixing blocks 11, the upper surface of the solar polycrystalline silicon wafer body 2 is provided with low-carbon toughened glass 13, the lower surface of the solar polycrystalline silicon wafer body 2 is provided with a silicon nitride film 14, one side of the plurality of groups of fixing blocks 11 is provided with a water flow hole 12 which is communicated with the first flow through groove 9, set up silicon nitride film 14 at the lower surface of solar energy polycrystal silicon chip body 2, the conversion efficiency of light energy has greatly been improved, when installing solar energy polycrystal silicon chip body 2, bottom 3 is opened, insert solar energy polycrystal silicon chip body 2 along the interval between the adjacent fixed block 11, make the top of solar energy polycrystal silicon chip body 2 and framework 1 top contact, install bottom 3 again, rivers hole 12 can be located the water that flows on solar energy polycrystal silicon chip body 2 and carry first circulation groove 9 in, first circulation groove 9 communicates with second circulation groove 10, the water of collection finally passes through outlet 8 and discharges, it flows on solar energy polycrystal silicon chip body 2 to reduce the rainwater, and then reduce the corruption to solar energy polycrystal silicon chip body 2, prolong its life.

Referring to fig. 1 and 2, preferably, a blower 6 is disposed at a middle position of a top of the frame 1, an air outlet of the blower 6 is communicated with the first circulation groove 9 through two sets of air supply pipes 7, an electrical end of the blower 6 is electrically connected to an external power supply and a control switch, and after the blower 6 works, air is delivered into the first circulation groove 9 through the two sets of air supply pipes 7, so that water discharge can be accelerated.

Referring to fig. 1 and 2, preferably, the outer walls of two sides of the bottom cover 3 are provided with L-shaped mounting plates 4, the L-shaped mounting plates 4 are connected in the frame body 1 through locking bolts 5, each L-shaped mounting plate 4 comprises a transverse plate and a vertical plate, the transverse plate is attached to the lower surface of the bottom cover 3, the vertical plates are attached to the outer wall of the bottom end of the frame body 1, the locking bolts 5 are vertically inserted in the vertical plates, the transverse plates are fixedly connected with the bottom cover 3, after the solar polycrystalline silicon wafer body 2 is installed, the top of the bottom cover 3 is in contact with the bottom of the frame body 1, and the L-shaped mounting plates 4 and the locking bolts 5 are used for installing the solar polycrystalline silicon wafer body.

Referring to fig. 3, the silicon nitride film 14 preferably has a thickness of 95 to 100 μm.

Example 2:

referring to fig. 2, this embodiment is different from the first embodiment in that: the bottom 3 is equipped with sealed the pad with the junction of framework 1, and sealed the pad can improve the leakproofness that both are connected, avoids having the rainwater to reveal.

Referring to fig. 2, a rubber pad is disposed on an inner side surface of the fixing block 11, and the rubber pad plays a role in protection and prevents damage to the solar polycrystalline silicon wafer body 2 due to excessive force.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a polycrystalline silicon piece that conversion efficiency is high, includes framework (1) and solar energy polycrystalline silicon piece body (2), its characterized in that: the cross-section of the frame body (1) is U-shaped, the open end of the frame body (1) is connected with the bottom cover (3), a first circulation groove (9) which is communicated with the first circulation groove (9) is formed in the side wall of the frame body (1), a second circulation groove (10) which is communicated with the first circulation groove (9) is formed in the bottom cover (3), a water outlet (8) which is communicated with the second circulation groove (10) is formed in the middle position of the bottom cover (3), a plurality of groups of fixing blocks (11) are arranged at the top and the bottom of the first circulation groove (9) and are adjacent to each other, a solar polycrystalline silicon wafer body (2) is installed between the fixing blocks (11), low-carbon toughened glass (13) is arranged on the upper surface of the solar polycrystalline silicon wafer body (2), a silicon nitride film (14) is arranged on the lower surface of the solar polycrystalline silicon wafer body (2), and a plurality of groups of water flow holes (12) which are communicated with the first circulation groove (9) are formed in one side of the fixing blocks (11).

2. The high conversion efficiency polycrystalline silicon wafer according to claim 1, wherein: the air blower is characterized in that an air blower (6) is arranged in the middle of the top of the frame body (1), and an air outlet of the air blower (6) is communicated with the first flow through groove (9) through two groups of air supply pipes (7).

3. The high conversion efficiency polycrystalline silicon wafer according to claim 1, wherein: the outer wall of the two sides of the bottom cover (3) is provided with an L-shaped mounting plate (4), and the L-shaped mounting plate (4) is connected in the frame body (1) through a locking bolt (5).

4. The high conversion efficiency polycrystalline silicon wafer according to claim 3, wherein: l type mounting panel (4) include diaphragm and riser, the diaphragm laminating is at the lower surface of bottom (3), the riser laminating is at the bottom outer wall of framework (1), and vertical grafting locking bolt (5) in the riser.

5. The high conversion efficiency polycrystalline silicon wafer according to claim 1, wherein: the thickness of the silicon nitride film (14) is 95 to 100 [ mu ] m.

6. The high conversion efficiency polycrystalline silicon wafer according to claim 1, wherein: and a sealing gasket is arranged at the joint of the bottom cover (3) and the frame body (1).

7. The high conversion efficiency polycrystalline silicon wafer according to claim 1, wherein: and a rubber pad is arranged on the inner side surface of the fixed block (11).