CN210246648U

CN210246648U - Polycrystal solar PV modules

Info

Publication number: CN210246648U
Application number: CN201921091010.5U
Authority: CN
Inventors: Hui Yin; 尹慧; Yang Si; 司杨
Original assignee: Xuzhou College of Industrial Technology
Current assignee: Xuzhou College of Industrial Technology
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-03
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a polycrystalline solar photovoltaic module, which comprises a photovoltaic module bracket, wherein a photovoltaic plate frame is detachably arranged on the photovoltaic module bracket, and an inner edge ring platform with a ring rectangle is arranged at the bottom end of the photovoltaic plate frame along the inner contour; the rubber sealing ring is in accordance with the outline of the inner edge ring platform, and is attached along the upper surface of the inner edge ring platform; the utility model has the advantages of simple structure, the sealing performance that the protruding structure of closed loop formula slot type structure cooperation moulding made the glass apron is effectively guaranteed, and consequently this scheme has given up the one deck EVA membrane of solar cell cluster upside, and then has improved the radiating efficiency of solar cell cluster.

Description

Polycrystal solar PV modules

Technical Field

The utility model belongs to the photovoltaic module field.

Background

The transparent cover plate of the existing photovoltaic module mostly adopts a plane bonding mode, and the sealing and waterproof performance of the solar cell string can not be completely ensured; in the field operation process, for example, far away from coastal areas, extreme windy weather is rare, so that the solar bracket can be fixed without increasing ground piles and other forms, the general windy environment can be resisted by only increasing enough counter weights, and the direct increase of the counter weights of products often means the increase of transportation cost and manufacturing cost.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model provides a polycrystal solar photovoltaic module with good sealing performance.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a polycrystalline solar photovoltaic module, including the photovoltaic module support, the photovoltaic board frame is detachably installed on the photovoltaic module support, the bottom of the photovoltaic board frame is provided with an inner edge ring platform with a ring rectangle along the inner contour;

the rubber sealing ring is in accordance with the outline of the inner edge ring platform, and is attached along the upper surface of the inner edge ring platform; a back plate and a solar cell string are further embedded in the photovoltaic panel frame, and the outline edge of the lower side surface of the back plate is pressed on the rubber sealing ring; the solar cell string is covered on the upper side of the back plate in parallel, and an EVA film is clamped between the solar cell string and the back plate; the photovoltaic panel frame is characterized by also comprising a glass cover plate which covers and installs the upper side surface of the photovoltaic panel frame; and the contour edge of the glass cover plate is in sealing adhesion with the photovoltaic panel frame.

Further, the photovoltaic module bracket comprises a left bracket and a right bracket which are symmetrical left and right; the left support and the right support are both right-angled triangular frame structures, the right-angled triangular frame structures of the left support and the right support respectively comprise inclined edges, vertical edges and horizontal bottom edges, and the upper side faces of the high end and the low end of each inclined edge are respectively fixedly provided with a stud; locking lugs are integrally arranged at the four corners of the photovoltaic panel frame respectively, hollow holes are formed in each locking lug, and studs on the two bevel edges correspondingly penetrate through the hollow holes of the locking lugs respectively; the four locking nuts are respectively locked on the four studs.

Furthermore, the device also comprises a first connecting beam, a second connecting beam and a third connecting beam which are parallel to each other; two ends of the first connecting beam are fixedly welded with vertical edges on the left support and the right support respectively; two ends of the second connecting cross beam and the third connecting cross beam are respectively fixedly welded with horizontal bottom edges on the left support and the right support; one side of the third connecting cross beam, which is far away from the vertical edge, is upwards provided with a vertical flanging; the counterweight box is horizontally placed on the second connecting cross beam and the third connecting cross beam, and the counterweight box is clamped between the vertical flanging and the first connecting cross beam; the upper surface of the third connecting beam is fixedly provided with a limiting block, and when the counterweight box is positioned in the middle of the second connecting beam, the limiting block is in contact with one side of the heavy box.

Furthermore, the upper side of the glass cover plate is integrally provided with a rectangular packaging outer edge along the outer contour; the upper surface of the photovoltaic panel frame is provided with a glue making groove, and the glue making groove extends into a closed loop along the outline of the photovoltaic panel frame; the lower surface of the outer edge of the package is integrally provided with a ring-shaped rectangular glue pressing protrusion along the outline, the glue pressing protrusion corresponds to the glue making groove, the glue making groove is filled with a bonding agent, and the glue pressing protrusion sinks into and is bonded in the glue making groove in a sealing mode.

Has the advantages that: the utility model has simple structure, the sealing performance of the glass cover plate is effectively ensured by the closed-loop groove type structure matched with the protruding structure of the moulding, and the stability of the bracket is improved by adding the counterweight structure; adopt counter weight box structure, avoid directly using the counter weight body, can load cement or take the cobble on the spot and load in the process of installing on the spot in the counter weight box, and then can effectively fall and improve counter weight box weight, also need not additionally increase the cost of transportation, and then reduce equipment center, play effectual windproof's effect.

Drawings

FIG. 1 is a general schematic view of a photovoltaic module;

FIG. 2 is an overall second schematic view of a photovoltaic module;

FIG. 3 is an exploded view of a photovoltaic module;

FIG. 4 is a schematic view of a photovoltaic panel frame;

FIG. 5 is a view of the side of the glass cover plate adjacent to the solar cell string;

FIG. 6 is a schematic view at 8 of FIG. 4;

fig. 7 is a schematic view of a partially cut-away layered structure of a photovoltaic module.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The polycrystalline solar photovoltaic module shown in fig. 1 to 7 comprises a photovoltaic module support 7, wherein a photovoltaic panel frame 6 is detachably mounted on the photovoltaic module support 7, and an inner edge ring platform 10 with a rectangular ring shape is arranged at the bottom end of the photovoltaic panel frame 6 along the inner contour; the rubber sealing ring 5 is in accordance with the outline of the inner edge ring platform 10, and the rubber sealing ring 5 is attached along the upper surface of the inner edge ring platform 10, so that the first sealing of the back plate 4 is realized; a back plate 4 and a solar cell string 4 (also called a solar cell panel) are further embedded in the photovoltaic panel frame 6, a wire passing hole 90 is further formed in one side of the photovoltaic panel frame 6 in the embodiment, an output lead of the cell string 4 can be led out of the wire passing hole 90, and the outline edge of the lower side surface of the back plate 4 is pressed on the rubber sealing ring 5; the solar cell string 4 is covered on the upper side of the back sheet 4 in parallel, and in order to increase the sealing performance of the back side of the solar cell string 4, an EVA film 5 is interposed between the solar cell string 4 and the back sheet 4 in the present embodiment; the photovoltaic panel is characterized by further comprising a glass cover plate 1 covering and mounting the upper side face of the photovoltaic panel frame 6; the outline edge of the glass cover plate 1 is hermetically bonded with the photovoltaic panel frame 6; the specific package structure and the package method of the glass cover plate 1 of the present embodiment are also described later;

the photovoltaic module bracket 7 comprises a left bracket 71 and a right bracket 72 which are symmetrical left and right; in order to increase the structural stability of the bracket, the left bracket 71 and the right bracket 72 of the embodiment are both right-angled triangular frame structures, the right-angled triangular frame structures of the left bracket 71 and the right bracket 72 both comprise a bevel edge 15, a vertical edge 14 and a horizontal bottom edge 13, and the upper sides of the high end and the low end of each bevel edge 15 are respectively and fixedly provided with a stud 19; locking lugs 24 are integrally arranged at four corners of the photovoltaic panel frame 6 respectively, hollow holes 23 are formed in the locking lugs 24, and the studs 19 on the two bevel edges 15 correspondingly penetrate through the hollow holes 23 of the locking lugs 24 respectively; the four locking nuts 21 are respectively locked on the four studs 19; the structural stability is improved, and the characteristic that the photovoltaic panel frame 6 is detachable is also realized;

in the field operation process, for example, far away from coastal zones, extreme weather is rare, so that the solar support is fixed without the need of adding ground piles and other forms, only the counter weight is needed to be added, and the increase of the counter weight usually means the increase of the transportation cost, so that the increase of the counter weight in the actual installation process is considered in the embodiment; the specific scheme is as follows: comprises a first connecting beam 18, a second connecting beam 16 and a third connecting beam 12 which are parallel to each other; two ends of the first connecting cross beam 18 are fixedly welded with the vertical edges 14 on the left bracket 71 and the right bracket 72 respectively; the two ends of the second connecting cross beam 16 and the third connecting cross beam 12 are respectively fixedly welded with the horizontal bottom edges 13 on the left bracket 71 and the right bracket 72; one side of the third connecting beam 12, which is far away from the vertical edge 14, is upwards provided with a vertical flanging 11; the counterweight box 17 is horizontally placed on the second connecting beam 16 and the third connecting beam 12, and the counterweight box 17 is clamped between the vertical flanging 11 and the first connecting beam 18; a limiting block 22 is fixedly arranged on the upper surface of the third connecting beam 12, when the counterweight box 17 is positioned in the middle of the second connecting beam 16, the limiting block 22 is in contact with one side of the counterweight box 17, and the limiting block 22 plays a role in single-side limiting, so that the counterweight box 17 can be conveniently positioned during initial installation; cement can be filled in the counterweight box 17 in the field installation process or cobblestones can be taken and filled on the spot, so that the weight of the counterweight box 17 can be effectively reduced and improved, the center of the equipment is reduced, and an effective windproof effect is achieved;

the upper side of the glass cover plate 1 is integrally provided with a ring-rectangular packaging outer edge 26 along the outer contour; the upper surface of the photovoltaic panel frame 6 is provided with a glue making groove 9, and the glue making groove 9 extends into a closed loop along the outline of the photovoltaic panel frame 6; the lower surface of the packaging outer edge 26 is integrally provided with a ring-shaped rectangular glue pressing protrusion 25 along the outline, the glue pressing protrusion 25 corresponds to the glue making groove 9, the glue making groove 9 is filled with a bonding agent, and the glue pressing protrusion 25 sinks into and is hermetically bonded in the glue making groove 9; before the glass cover plate 1 is packaged, a proper amount of polyurethane adhesive is filled in the glue making groove 9 on the frame 6, then the glue pressing protrusion 25 on the glass cover plate 1 is downwards sunk into the glue making groove 9, the glue pressing protrusion 25 extrudes the adhesive in the glue making groove 9, the polyurethane adhesive is further filled in the whole glue making groove 9, the glue pressing protrusion 25 is further immersed in the adhesive in the glue making groove 9, the adhesive is fully cured after standing for one end time, and the glue pressing protrusion 25 is further completely bonded into a whole in the glue making groove 9, so that the sealing performance of the transparent cover plate can be better improved by matching the closed-loop groove type structure with the glue pressing protrusion structure; the sealing performance of the glass cover plate is effectively guaranteed by the closed-loop groove type structure matched with the glue pressing protrusion structure.

The above description is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. The utility model provides a polycrystal solar PV modules which characterized in that: the photovoltaic module comprises a photovoltaic module support (7), a photovoltaic panel frame (6) is detachably mounted on the photovoltaic module support (7), and a rectangular inner edge ring platform (10) is arranged at the bottom end of the photovoltaic panel frame (6) along the inner contour;

the rubber sealing ring (5) is consistent with the outline of the inner edge ring platform (10), and the rubber sealing ring (5) is attached to the upper surface of the inner edge ring platform (10); a back plate (4) and a solar cell string (4) are further embedded in the photovoltaic panel frame (6), and the lower side profile edge of the back plate (4) is pressed on the rubber sealing ring (5); the solar cell string (4) is covered on the upper side of the back plate (4) in parallel, and an EVA film (5) is clamped between the solar cell string (4) and the back plate (4); the photovoltaic panel frame is characterized by further comprising a glass cover plate (1), wherein the glass cover plate (1) covers and installs the upper side face of the photovoltaic panel frame (6); and the contour edge of the glass cover plate (1) is hermetically bonded with the photovoltaic panel frame (6).

2. The polycrystalline solar photovoltaic module of claim 1, wherein: the photovoltaic module bracket (7) comprises a left bracket (71) and a right bracket (72) which are symmetrical left and right; the left support (71) and the right support (72) are both right-angled triangular frame structures, the right-angled triangular frame structures of the left support (71) and the right support (72) respectively comprise a bevel edge (15), a vertical edge (14) and a horizontal bottom edge (13), and studs (19) are fixedly arranged on the upper side surfaces of the high end and the low end of each bevel edge (15) respectively; locking lugs (24) are integrally arranged at four corners of the photovoltaic panel frame (6) respectively, hollow holes (23) are formed in each locking lug (24), and studs (19) on the two bevel edges (15) correspondingly penetrate through the hollow holes (23) of the locking lugs (24) respectively; the four-bolt locking mechanism is characterized by further comprising four locking nuts (21), wherein the four locking nuts (21) are respectively locked on the four bolts (19).

3. The polycrystalline solar photovoltaic module of claim 2, wherein: the device also comprises a first connecting beam (18), a second connecting beam (16) and a third connecting beam (12) which are parallel to each other; two ends of the first connecting beam (18) are respectively fixedly welded with vertical edges (14) on the left bracket (71) and the right bracket (72); two ends of the second connecting cross beam (16) and the third connecting cross beam (12) are respectively fixedly welded with horizontal bottom edges (13) on the left bracket (71) and the right bracket (72); one side, far away from the vertical edge (14), of the third connecting cross beam (12) is provided with a vertical flanging (11) upwards; the counterweight box (17) is horizontally placed on the second connecting cross beam (16) and the third connecting cross beam (12), and the counterweight box (17) is clamped between the vertical flanging (11) and the first connecting cross beam (18); the upper surface of the third connecting beam (12) is fixedly provided with a limiting block (22), and when the counterweight box (17) is positioned in the middle of the second connecting beam (16), the limiting block (22) is in contact with one side of the counterweight box (17).

4. The polycrystalline solar photovoltaic module of claim 1, wherein: a rectangular packaging outer edge (26) is integrally arranged on the upper side of the glass cover plate (1) along the outer contour; the upper surface of the photovoltaic panel frame (6) is provided with a glue making groove (9), and the glue making groove (9) extends into a closed loop along the outline of the photovoltaic panel frame (6); the lower surface of the packaging outer edge (26) is integrally provided with a glue pressing protrusion (25) with a ring rectangle along the outline, the glue pressing protrusion (25) corresponds to the glue making groove (9), the glue making groove (9) is filled with a bonding agent, and the glue pressing protrusion (25) sinks into and is in sealing bonding with the glue making groove (9).