CN215818048U

CN215818048U - Damage-proof PERC battery pack

Info

Publication number: CN215818048U
Application number: CN202121324439.1U
Authority: CN
Inventors: 王国海
Original assignee: Central Aineng Gaoyou Energy Technology Co ltd
Current assignee: Central Aineng Gaoyou Energy Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-02-11
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses an anti-damage PERC battery pack which comprises a main body, wherein a passivation lamination layer is arranged at the lower end of the main body, back aluminum is arranged below the passivation lamination layer, a back electrode is arranged at the bottom of the back aluminum, an emitter is arranged on the main body, a passivation film is arranged on the emitter, a front metal electrode is arranged on the main body and is in contact with the emitter, an outer frame support column is arranged on the outer side of the main body, a light guide glass cover is arranged at the top end of the main body, the main body is arranged in a protective frame, a buffer layer is arranged in the protective frame, and a rubber layer is arranged on the buffer layer. The utility model relates to an anti-damage PERC battery pack which can enhance the transmission efficiency of sunlight, improve the working efficiency of the PERC battery pack and protect the PERC battery pack from being influenced by wind and sand.

Description

Damage-proof PERC battery pack

Technical Field

The utility model relates to the technical field of PERC battery packs, in particular to an anti-damage PERC battery pack.

Background

PERC Cell (Passivated emitter and Rear Cell), a structure of battery. The lab preparation of PERC battery adopts the techniques of photoetching, evaporation, thermal oxygen passivation, electroplating, etc. The PERC battery is the biggest difference from the conventional battery in the passivation of a back surface dielectric film and the adoption of local metal contact, thereby greatly reducing the speed of surface recombination and simultaneously improving the light reflection of the back surface.

The prior art has the following defects or problems:

1. in the prior art, the PERC battery pack is mostly arranged outdoors or in some remote suburbs in the use process of the photovoltaic power generation field, the environment is open, although sunlight is convenient to absorb, wind and sand are large, scratches can be generated on the surface of the battery pack after the use time is long, the sunlight absorption efficiency is influenced, and the service life is shortened;

2. in the transportation process after the production of the PERC battery component in the prior art, the phenomenon that the PERC battery components are collided with each other due to external force cannot be avoided, so that the PERC battery components are damaged, and the quality of products and the trust degree of customers are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-damage PERC battery pack aiming at the defects of the prior art, and aims to solve the problems that the PERC battery pack provided by the background art is mostly arranged outdoors or in some remote suburbs in the use process of the photovoltaic power generation field, the environment is open, sunlight is convenient to absorb, but wind and sand are large, scratches can be generated on the surface of a battery pack after the use time is long, the sunlight absorption efficiency is influenced, the service life is shortened, and the PERC battery pack cannot be prevented from being collided with each other by external force in the transportation process, so that the PERC battery pack is damaged, and the quality of products and the trust of customers are influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an anti-damage formula PERC battery pack, includes the main part, the main part lower extreme is provided with the passivation stromatolite, passivation stromatolite below is provided with back aluminium, back aluminium bottom is provided with back electrode, be provided with the projecting pole in the main part, be provided with the passive film on the projecting pole, be provided with positive metal electrode with the projecting pole contact in the main part, the main part outside is provided with the frame pillar, the main part top is provided with leaded light glass cover, the main part sets up inside the protective frame, be provided with the buffer layer in the protective frame, be provided with the rubber layer on the buffer layer.

As a preferred technical scheme of the utility model: the passivation stack is coupled to the body and the passivation stack is coupled to the back aluminum.

As a preferred technical scheme of the utility model: the back aluminum is electrically connected with the back electrodes through soldering tin, and the number of the back electrodes is a plurality.

As a preferred technical scheme of the utility model: the body is coupled with an emitter, and the emitter is coupled with a passivation film.

As a preferred technical scheme of the utility model: the main body is electrically connected with the front metal electrodes through soldering tin, and the number of the front metal electrodes is a plurality.

As a preferred technical scheme of the utility model: the main body and the outer frame struts are installed through clamping grooves, and the number of the outer frame struts is four.

As a preferred technical scheme of the utility model: the main body and the light guide glass cover are fixedly installed through a clamping groove, and the main body and the protection frame are fixedly installed through a clamping block.

Compared with the prior art, the damage-proof PERC battery component provided by the utility model has the following beneficial effects:

1. according to the damage-proof PERC battery pack, the light guide glass cover is arranged, so that when the PERC battery pack is installed and is influenced by wind and sand, the PERC battery pack can be protected from being influenced by the wind and sand through the light guide glass cover, the sunlight conduction efficiency can be enhanced through the light guide glass cover, and the working efficiency of the PERC battery pack is improved;

2. this damage-proof formula PERC battery pack, through setting up the bearer bar, after PERC battery pack produced, can install PERC battery pack in the bearer bar, the repacking transports, can effectively protect PERC battery pack not influenced by the collision through setting up buffer layer and the rubber layer on the bearer bar in the transportation, ensures PERC battery pack's quality and customer's trust level.

Drawings

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

FIG. 2 is a schematic view of the overall vertical frame structure of the present invention;

FIG. 3 is a schematic view of the protective frame of the present invention;

FIG. 4 is a schematic view of a protection frame according to the present invention.

In the figure: 1. a main body; 2. passivating the stack; 3. back aluminum; 4. a back electrode; 5. an emitter; 6. a passivation film; 7. a front metal electrode; 8. an outer frame support; 9. a light guide glass cover; 10. a protective frame; 11. a buffer layer; 12. a rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides an anti-damage formula PERC battery pack, including

main part

1, 1 lower extreme of main part is provided with passivation stromatolite 2, passivation stromatolite 2 below is provided with

back aluminium

3, 3 bottoms in the back aluminium are provided with back electrode 4, be provided with projecting pole 5 on the main part 1, be provided with passive film 6 on the projecting pole 5, be provided with positive metal electrode 7 with the contact of projecting pole 5 on the

main part

1, 1 outsides of main part are provided with

frame pillar

8, 1 tops of main part are provided with leaded light glass cover 9, main part 1 sets up inside protective frame 10, be provided with buffer layer 11 in the protective frame 10, be provided with rubber layer 12 on the buffer layer 11.

In the embodiment, the passivation lamination layer 2 is coupled with the main body 1, the passivation lamination layer 2 is coupled with the back aluminum 3, and the PERC open-circuit voltage and the short-circuit current are greatly improved compared with the conventional battery through the passivation lamination layer 2, so that the conversion efficiency of the battery is improved; the back aluminum 3 is electrically connected with the back electrodes 4 through soldering tin, the number of the back electrodes 4 is a plurality, and the main body 1 can be normally installed and connected with equipment through the back electrodes 4; the main body 1 is coupled with the emitter 5, the emitter 5 is coupled with the passive film 6, and the conversion efficiency of the battery is improved through the passive film 6; the main body 1 is electrically connected with the front metal electrodes 7 through soldering tin, the number of the front metal electrodes 7 is a plurality, and the main body 1 is normally installed through the front metal electrodes 7 and is connected with equipment; the main body 1 and the outer frame struts 8 are installed through the clamping grooves, the number of the outer frame struts 8 is four, and the overall framework of the main body 1 can be more stable through the outer frame struts 8; through draw-in groove fixed mounting between main part 1 and leaded light glass cover 9, through fixture block fixed mounting between main part 1 and the bearer bar 10, can protect main part 1 not influenced by less wind through leaded light glass cover 9, and can strengthen the conduction efficiency of sunshine simultaneously.

The working principle and the using process of the utility model are as follows: when using, the user is at first through the connection of front metal electrode 7 and back electrode 4 with main part 1 safety, make main part 1 can normal operating work, when using in the photovoltaic power generation field, can protect main part 1 not influenced by sand blown by the wind through leaded light glass cover 9, and leaded light glass cover 9 can strengthen the conduction efficiency of sunshine, promote main part 1 work efficiency, after main part 1 produces, can install main part 1 in protecting frame 10, the repacking car transports, can effectively protect main part 1 not influenced by the collision through buffer layer 11 and the rubber layer 12 that sets up on protecting frame 10 in the transportation, guarantee main part 1's quality and customer's trust level.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. An anti-damage PERC battery pack, characterized in that: including main part (1), main part (1) lower extreme is provided with passivation stromatolite (2), passivation stromatolite (2) below is provided with back aluminium (3), back aluminium (3) bottom is provided with back electrode (4), be provided with projecting pole (5) on main part (1), be provided with passive film (6) on projecting pole (5), be provided with positive metal electrode (7) with projecting pole (5) contact on main part (1), main part (1) outside is provided with frame pillar (8), main part (1) top is provided with leaded light glass cover (9), main part (1) sets up inside protection frame (10), be provided with buffer layer (11) in protection frame (10), be provided with rubber layer (12) on buffer layer (11).

2. The damage-resistant PERC battery pack of claim 1, wherein: the passivation stack (2) is coupled with the main body (1), and the passivation stack (2) is coupled with the back aluminum (3).

3. The damage-resistant PERC battery pack of claim 1, wherein: the back aluminum (3) and the back electrodes (4) are electrically connected through soldering tin, and the number of the back electrodes (4) is a plurality.

4. The damage-resistant PERC battery pack of claim 1, wherein: the body (1) is coupled with an emitter (5), and the emitter (5) is coupled with a passivation film (6).

5. The damage-resistant PERC battery pack of claim 1, wherein: the main body (1) is electrically connected with the front metal electrodes (7) through soldering tin, and the number of the front metal electrodes (7) is a plurality.

6. The damage-resistant PERC battery pack of claim 1, wherein: the main body (1) and the outer frame struts (8) are installed through clamping grooves, and the number of the outer frame struts (8) is four.

7. The damage-resistant PERC battery pack of claim 1, wherein: the main body (1) and the light guide glass cover (9) are fixedly installed through a clamping groove, and the main body (1) and the protection frame (10) are fixedly installed through a clamping block.