CN212063935U

CN212063935U - Two-sided photovoltaic module of single crystal PERC

Info

Publication number: CN212063935U
Application number: CN202020514738.0U
Authority: CN
Inventors: 赵卫东; 徐进; 陶杰; 顾彬; 王志强; 张天品
Original assignee: Econess Energy Co ltd
Current assignee: Econess Energy Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-01
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a two-sided photovoltaic module of single crystal PERC relates to photovoltaic board subassembly technical field. The utility model comprises a bracket; a frame is obliquely fixed at the top end of the bracket; a double-sided photovoltaic panel is fixed on the inner side of the frame, and channels are formed on the two sides of the frame; both sides of the inner wall of the channel are provided with sliding chutes; the two sides of the frame are matched with clamping pieces in a sliding way through sliding chutes; one side of each of the two clamping pieces is rotatably connected with a connecting rod; one end of the two connecting rods, which is far away from the clamping piece, is rotatably connected with a reflecting cover. The utility model discloses a fastener and the mutual joint of frame both sides slidingtype cooperation and frame both sides, the connecting rod is connected the reflector, can directly shine at the two-sided photovoltaic board back through the reflector with sunlight-struck light, has increased the electric energy of two-sided photovoltaic module back conversion, and the reflector can overturn under the effect of connecting rod and openly protect photovoltaic panel assembly, avoids two-sided photovoltaic panel assembly to openly receive the erosion of acid rain, has improved the life of two-sided photovoltaic board.

Description

Two-sided photovoltaic module of single crystal PERC

Technical Field

The utility model belongs to the technical field of the photovoltaic board subassembly, especially, relate to a two-sided photovoltaic module of single crystal PERC.

Background

The single crystal PERC double-sided photovoltaic component adopts Al2O3 film to passivate the back surface of the cell so as to improve the conversion efficiency of the cell. The back aluminum which is not transparent for the common PERC battery is replaced by the local aluminum grid line, so that the back of the battery is transparent, and the back of the battery can effectively utilize received light to generate electricity besides the front of the battery, wherein the light comprises ground reflected light, scattered light in the atmosphere, dust reflected light in the air, surrounding building reflected light and the like.

However, the reflection performance of the ground to light is poor, the reflected light of the ground received by the back of the photovoltaic panel is less, and the electric energy converted by the back of the double-sided photovoltaic module is less, so that the double-sided photovoltaic module needs to be improved, the double-sided photovoltaic panel is placed in the open air, the front of the double-sided photovoltaic module is easily corroded by acid rain, and the service life of the double-sided photovoltaic module is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-sided photovoltaic module of single crystal PERC uses through the cooperation of frame, fastener, connecting rod and reflector, has solved the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a single crystal PERC double-sided photovoltaic module, which comprises a bracket; a frame is obliquely fixed at the top end of the bracket; a double-sided photovoltaic panel is fixed on the inner side of the frame, and channels are formed in the two sides of the frame; both sides of the inner wall of the channel are provided with sliding chutes; the two sides of the frame are matched with clamping pieces in a sliding way through sliding chutes; one sides of the two clamping pieces are rotatably connected with connecting rods; one end of each connecting rod, which is far away from the clamping piece, is rotatably connected with a reflecting cover;

the clamping piece comprises a first spring bolt; a guide block matched with the channel is arranged on the peripheral side surface of one end of the first spring bolt; the peripheral side surface of the guide block is provided with a sliding block matched with the sliding groove;

one end of the connecting rod is provided with a connecting hole which is mutually and rotatably connected with the first spring bolt; a second spring bolt is arranged on the circumferential side surface of the other end of the connecting rod; the end part of the second spring bolt rod penetrates through the connecting rod; one end of the connecting rod, which is close to the second spring bolt, is vertically fixed with a connecting seat; and a shaft lever is arranged on one side of the connecting seat, which is far away from the second spring bolt.

Furthermore, a limit ring is arranged on the circumferential side surface of one end, far away from the guide block, of the first spring bolt; the end part of the first spring bolt rod penetrates through the guide block.

Furthermore, the inner walls of the two ends of the channel are provided with first bolt holes which are mutually clamped with the first spring bolts; and a second bolt hole is formed in the inner wall of the channel and between the two first bolt holes.

Further, the reflector comprises a cover plate; a reflector is arranged on one surface of the cover plate; both sides of the cover plate are provided with shaft holes matched with the shaft rod.

The utility model discloses following beneficial effect has:

the utility model discloses a frame, the fastener, the cooperation of connecting rod and reflector is used, fastener and the mutual joint in the first bolt hole of frame both sides slidingtype cooperation and in the channel of frame both sides, the lower of two connecting rods of fastener week side rotation connection is connected the reflector, can shine at the two-sided photovoltaic board back through the reflector with sunlight irradiation's light is direct, the electric energy of two-sided photovoltaic module back conversion has been increased, and the reflector can overturn under the effect of connecting rod and openly protect the photovoltaic board subassembly, avoid two-sided photovoltaic board subassembly to openly receive the erosion of acid rain, the life of two-sided photovoltaic board has been improved, therefore, the practicality is stronger.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a single-crystal PERC double-sided photovoltaic module according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic structural view of the card member;

FIG. 4 is a schematic structural view of a connecting rod;

FIG. 5 is a schematic view of a reflector structure;

in the drawings, the components represented by the respective reference numerals are listed below:

1-bracket, 2-frame, 3-fastener, 4-connecting rod, 5-reflector, 6-double-sided photovoltaic panel, 201-channel, 202-sliding groove, 203-first bolt hole, 204-second bolt hole, 301-first spring bolt, 302-guide block, 303-sliding block, 304-limiting ring, 401-connecting hole, 402-second spring bolt, 403-connecting seat, 404-shaft rod, 501-cover plate, 502-reflector and 503-shaft hole.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention relates to a single crystal PERC double-sided photovoltaic module, which comprises a support 1; a frame 2 is obliquely fixed at the top end of the bracket 1; a double-sided photovoltaic panel 6 is fixed on the inner side of the frame 2,

both sides of the frame 2 are provided with channels 201; both sides of the inner wall of the channel 201 are provided with sliding grooves 202; the clamping pieces 3 are matched with the two sides of the frame 2 in a sliding way through the sliding grooves 202; one side of each of the two clamping pieces 3 is rotatably connected with a connecting rod 4; one end of the two connecting rods 4, which is far away from the clamping piece 3, is rotatably connected with a reflecting cover 5;

the clip 3 comprises a first spring latch 301; a guide block 302 matched with the groove 201 is arranged on the peripheral side surface of one end of the first spring bolt 301; the peripheral side surface of the guide block 302 is provided with a slide block 303 matched with the slide groove 202;

one end of the connecting rod 4 is provided with a connecting hole 401 which is mutually and rotatably connected with the first spring bolt 301; a second spring bolt 402 is arranged on the circumferential side surface of the other end of the connecting rod 4; the end part of the bolt rod of the second spring bolt 402 penetrates through the connecting rod 4; a connecting seat 403 is vertically fixed at one end of the connecting rod 4 close to the second spring bolt 402; the connecting base 403 is provided with a shaft 404 at a side away from the second spring latch 402.

Wherein, the peripheral side surface of one end of the first spring bolt 301 far away from the guide block 302 is provided with a limit ring 304; a first spring latch 301 extends through the guide block 302 at the end of the latch rod.

Wherein, the inner walls of the two ends of the channel 201 are provided with first bolt holes 203 which are mutually clamped with the first spring bolts 301; a second pin hole 204 is arranged on the inner wall of the channel 201 and between the two first pin holes 203.

Wherein, the reflector 5 comprises a cover plate 501; a reflector 502 is arranged on one surface of the cover plate 501; both sides of the cover plate 501 are provided with shaft holes 503 matched with the shaft rod 404.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A single crystal PERC bifacial photovoltaic module comprising a support (1); a frame (2) is obliquely fixed at the top end of the bracket (1); a double-sided photovoltaic panel (6) is fixed on the inner side of the frame (2),

the method is characterized in that:

channels (201) are formed in the two sides of the frame (2); both sides of the inner wall of the channel (201) are provided with sliding grooves (202); clamping pieces (3) are matched with the two sides of the frame (2) in a sliding way through sliding grooves (202); one sides of the two clamping pieces (3) are rotatably connected with connecting rods (4); one end of each connecting rod (4) far away from the clamping piece (3) is rotatably connected with a reflecting cover (5);

the clip (3) comprises a first spring bolt (301); a guide block (302) matched with the channel (201) is arranged on the peripheral side face of one end of the first spring bolt (301); the peripheral side surface of the guide block (302) is provided with a sliding block (303) matched with the sliding groove (202);

one end of the connecting rod (4) is provided with a connecting hole (401) which is mutually and rotatably connected with the first spring bolt (301); a second spring bolt (402) is arranged on the peripheral side surface of the other end of the connecting rod (4); the end part of the bolt rod of the second spring bolt (402) penetrates through the connecting rod (4); one end of the connecting rod (4) close to the second spring bolt (402) is vertically fixed with a connecting seat (403); and a shaft lever (404) is arranged on one side of the connecting seat (403) far away from the second spring bolt (402).

2. A single crystal PERC double sided photovoltaic module according to claim 1, wherein a limiting ring (304) is provided on a peripheral side of an end of said first spring bolt (301) remote from said guide block (302); the end part of a bolt rod of the first spring bolt (301) penetrates through the guide block (302).

3. A single crystal PERC double sided photovoltaic module according to claim 1, wherein the inner walls of both ends of said channel (201) are formed with first pin holes (203) for engaging with said first spring pins (301); and a second bolt hole (204) is formed in the inner wall of the channel (201) and between the two first bolt holes (203).

4. A single crystal PERC double-sided photovoltaic module according to claim 1, wherein said reflector (5) comprises a cover plate (501); a reflector (502) is arranged on one surface of the cover plate (501); both sides of the cover plate (501) are provided with shaft holes (503) matched with the shaft rod (404).