CN218996733U

CN218996733U - Photovoltaic device based on unidirectional transmission

Info

Publication number: CN218996733U
Application number: CN202222255554.9U
Authority: CN
Inventors: 陈彬
Original assignee: Shandong Zhongke Carbon Neutralization Green Technology Development Co ltd
Current assignee: Shandong Zhongke Carbon Neutralization Green Technology Development Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-05-09
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a photovoltaic device based on unidirectional transmission, which comprises a plurality of photovoltaic plates arranged on a frame body through a first fixing part and a second fixing part, wherein each photovoltaic plate comprises a photovoltaic plate main body and a frame fixedly arranged on the photovoltaic plate main body, the photovoltaic plate main body comprises toughened glass with a single-transmission film stuck on the back surface, the single-transmission film is connected with a battery layer through an EVA (ethylene-vinyl acetate) layer, and the battery layer is arranged on a back plate. The unidirectional transmission film is directly stuck to the back surface of the toughened glass on the photovoltaic panel, so that unidirectional transmission of sunlight can be realized, reflection can be avoided, and the unidirectional transmission film can be protected from being damaged in a field environment through the toughened glass.

Description

Photovoltaic device based on unidirectional transmission

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic device based on unidirectional transmission.

Background

Photovoltaic, which is a short term of solar photovoltaic power generation system, is a device that directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of solar cell semiconductor materials. At present, the installed amount of photovoltaic power generation is larger and larger, but the photovoltaic panel adopted by the photovoltaic system can reflect light and cannot be installed on the air space close to an airport. The Chinese patent application with publication number of CN106409924A discloses a solar photovoltaic panel, which at least comprises a photoelectric conversion structure and an illumination adjusting structure, wherein the photoelectric conversion structure and the illumination adjusting structure are arranged in a stacked manner in parallel, the illumination adjusting structure has a unidirectional transmission function on light, and the transmission direction is the direction in which the illumination adjusting structure points to the photoelectric conversion structure. The photovoltaic panel can realize unidirectional perspective of sunlight and reduce reflection of the sunlight, but has a complex structure and high use and maintenance cost.

Disclosure of Invention

The utility model provides a photovoltaic device based on unidirectional transmission in order to make up the defects of the prior art.

The utility model is realized by the following technical scheme:

the utility model provides a photovoltaic device based on one-way transmission, includes a plurality of photovoltaic boards of installing on the support body through first fixed part and second fixed part, the photovoltaic board includes photovoltaic board main part and fixed mounting frame in the photovoltaic board main part, the photovoltaic board main part is including the toughened glass that the back pasted single membrane that passes through, single membrane that passes through is connected with the battery layer, the battery layer is installed on the backplate.

The bottom of the backboard is fixedly provided with a protective pressing plate.

The first fixing part is arranged on the outer side of the photovoltaic plates at two ends of the frame body, and the second fixing part is arranged between two adjacent photovoltaic plates.

The top of the frame body is respectively detachably connected with a long stand column and a short stand column of a corresponding mounting rail, and a plurality of long round holes are formed in two side walls of the mounting rail.

The first fixed part comprises a pressing plate and a first sliding block detachably mounted on the mounting rail, the pressing plate comprises a first transverse plate with a free first end and a fixed second end, an L-shaped vertical plate is fixedly arranged on the first transverse plate, the middle of the L-shaped vertical plate is fixedly connected with the first end of a second transverse plate, the second transverse plate is mounted on one side, far away from the first transverse plate, of the L-shaped vertical plate, an inverted T-shaped vertical plate is fixedly arranged on the second end of the second transverse plate, a protruding portion is arranged at the top of the first sliding block, a second limiting groove and a first limiting groove which are matched with the L-shaped vertical plate and the inverted T-shaped vertical plate are respectively arranged on the protruding portion, a first internal threaded hole matched with the first through hole is further formed in the first sliding block, the first through hole is connected with the first internal threaded hole through a first fastening bolt, and the first transverse plate is pressed on the frame.

The second fixing part comprises an inverted press sheet and a second sliding block detachably mounted on the mounting rail, a second internal thread hole is formed in the top of the second sliding block, a fourth thread hole matched with the second internal thread hole is formed in the bottom of the inverted press sheet, and the second internal thread hole and the fourth thread hole are connected through a second tightening bolt.

The utility model has the following technical effects:

the unidirectional transmission film is directly stuck to the back surface of the toughened glass on the photovoltaic panel, so that unidirectional transmission of sunlight can be realized, reflection can be avoided, the unidirectional transmission film can be protected from being damaged in a field environment through the toughened glass, and the photovoltaic panel is simple in mechanism and low in cost;

the frame body is simple in structure and mounting mode, and can be mounted and fixed rapidly.

Drawings

The utility model is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a photovoltaic panel body.

Fig. 3 is a schematic structural view of the frame body.

Fig. 4 is a schematic structural view of the first fixing member.

Fig. 5 is a schematic structural view of the second fixing member.

In the figure, 1-photovoltaic panel, 1.1-toughened glass, 1.2-single-pass film, 1.3-EVA layer, 1.4-battery layer, 1.5-protection pressing plate, 1.6-back plate, 2-first fixing part, 2.1-first sliding block, 2.2-first through hole, 2.3-first limit groove, 2.4-protruding part, 2.5-second limit groove, 2.6-L-shaped vertical plate, 2.7-first transverse plate, 2.8-first fastening bolt, 2.9-inverted T-shaped vertical plate, 3-second fixing part, 3.1-inverted-shaped pressing piece, 3.2-second tightening bolt, 3.3-second sliding block, 3.4-second through hole, 4-frame body, 5-long upright post, 6-first mounting groove, 7-ear plate, 8-mounting rail, 9-short upright post, 10-long round hole and 11-pulling plate.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the utility model, "a number" means one or more than one; the meaning of "a plurality of" is two or more, unless specifically defined otherwise.

Fig. 1 to 5 show an embodiment of the present utility model. This embodiment provides a photovoltaic device based on unidirectional transmission, comprising a plurality of photovoltaic panels 1 mounted on a frame 4 by means of a first fixing member 2 and a second fixing member 3, the photovoltaic panels 1 being mounted on the frame 1 in a linear array, the first fixing member 2 being mounted on the outside, i.e. the outside of the photovoltaic panels at both ends, the second fixing member 3 being mounted between two adjacent photovoltaic panels 1.

The photovoltaic board 1 includes photovoltaic board main part and fixed mounting frame in photovoltaic board main part, and the structure of photovoltaic board main part is as shown in figure 2, including toughened glass 1.1, and single membrane 1.2 that passes through is pasted to toughened glass 1.1's the back, and single membrane 1.2 is in the same place through EVA layer 1.3 and battery layer 1.4 installation, and battery layer 1.4 installs on backplate 1.6, and backplate 1.6's bottom fixed mounting has protection clamp plate 1.5. The transmission surface of the single-transparent film 1.2 faces to the toughened glass 1.1, so that sunlight can reach the battery layer to complete photoelectric conversion after passing through the toughened glass 1.1, and sunlight reflection can be avoided. The EVA layer is the EVA adhesive layer.

The structure of the frame body 4 is shown in fig. 2, and comprises a group of long upright posts 5 and a group of short upright posts 9, wherein the structures of the long upright posts 5 and the short upright posts 9 are the same, and the difference is only the difference of heights. The tops of the long upright 5 and the short upright 9 are detachably connected with the mounting rails 8, and two mounting rails 8 are arranged as shown in figure 2, one is arranged at the top of the long upright 5, and the other is arranged at the top of the short upright 9.

The tops of the long upright post 5 and the short upright post 9 are respectively provided with a first mounting groove 6, the bottom of the mounting rail 8 is fixedly provided with an ear plate 7 matched with the first mounting groove 6, the ear plate 7 is positioned in the first mounting groove 6 and is fixed through a limit bolt, and the mounting angle of the mounting rail 8 can be flexibly adjusted according to the height difference between the long upright post 5 and the short upright post 9 by matching the ear plate 7 with the first mounting groove 6. A plurality of oblong holes 10 are arranged on both side walls of the mounting rail 8.

A pulling plate 11 is arranged between the adjacent long upright 5 and short upright 9.

The structure of first fixed part 2 is as shown in figure 4, including clamp plate and first slider 2.1, the clamp plate includes first diaphragm 2.7, and first end free of first diaphragm 2.7, second end fixed mounting have L type riser 2.6, and the middle part of L type riser 2.6 and the first end fixed connection of second diaphragm, this second diaphragm is installed in one side that first diaphragm 2.7 was kept away from to L type riser 2.6. The second end of the second transverse plate is fixedly provided with an inverted T-shaped vertical plate 2.9. A gap is reserved between the inverted T-shaped vertical plate 2.9 and the L-shaped vertical plate 2.6.

At least one third through hole is arranged on the second transverse plate.

The top of the first sliding block 2.1 is provided with a protruding part 2.4, the protruding part is provided with a second limiting groove 2.5 and a first limiting groove 2.3 which are respectively matched with the L-shaped vertical plate 2.6 and the inverted T-shaped vertical plate 2.9, the first limiting groove 2.3 is positioned in the middle of the protruding part 2.4, and the second limiting groove 2.5 is positioned at one end of the protruding part 2.4. The first slider 2.1 is also provided with a first internal threaded hole matched with the first through hole. The first through hole and the first internal threaded hole are connected by a first fastening bolt 2.8.

During installation, the photovoltaic panel 1 is placed on the frame body 4, the first sliding block 2.1 is placed in the installation track, the first transverse plate 2.7 is pressed on the frame of the photovoltaic panel 1, the L-shaped vertical plate 2.6 is abutted against the frame, the position of the first sliding block 2.1 is adjusted, the bottom of the L-shaped vertical plate 2.6 and the bottom of the inverted T-shaped vertical plate 2.9 are marked into the second limiting groove 2.5 and the first limiting groove 2.3, then the first fastening bolt 2.8 is fixed in the installation track 8 through the first limiting piece matched with the first through hole 2.2 and the first sliding block 2.1. The L-shaped vertical plate 2.6 and the inverted T-shaped vertical plate 2.9 are matched with the first sliding block 2.1, so that the installation is firmer

The structure of the second fixing part 3 is shown in fig. 5, and comprises a reversed-table-shaped pressing piece 3.1, a second sliding block 3.3 provided with at least one second through hole 3.4, a second internal thread hole is formed in the top of the second sliding block 3.3, a fourth through hole matched with the second internal thread hole is formed in the bottom of the reversed-table-shaped pressing piece 3.1, and the second internal thread hole and the fourth through hole are connected through a second tightening bolt 3.2.

During installation, the second sliding block 3.3 is firstly installed in the first installation groove 6 and is adjusted to a position between two photovoltaic panels, then the inverted press sheet 3.1 is placed between the two photovoltaic panels as shown in the attached drawing 1, and then the second tightening bolt 3.2 is installed and screwed to tightly press the two photovoltaic panels. Finally, the second slider 3.3 is fixed on the mounting rail 8 by a second limiting piece matched with the second through hole 3.4.

In this embodiment, the first limiting member may be a bolt, or the like.

During integral installation, the photovoltaic panel needs to be installed from one end of the frame body 4 to the other end, the pipe fixing plate positioned at the first end of the frame body 4 is installed through the first fixing part 2, then other photovoltaic panels are sequentially installed to the second end through the second fixing part 3, and finally the photovoltaic panel positioned at the second end of the frame body 4 and the first fixing part 2 are installed.

Claims

1. A photovoltaic device based on unidirectional transmission, characterized in that: including installing a plurality of photovoltaic board (1) on support body (4) through first fixed part (2) and second fixed part (3), photovoltaic board (1) are including photovoltaic board main part and fixed mounting frame in the photovoltaic board main part, photovoltaic board main part is including the back laminating toughened glass (1.1) that has single membrane (1.2), single membrane (1.2) are connected with battery layer (1.4) through EVA layer (1.3), battery layer (1.4) are installed on backplate (1.6).

2. The unidirectional transmission-based photovoltaic apparatus of claim 1, wherein: the bottom of the backboard (1.6) is fixedly provided with a protective pressing plate (1.5).

3. The unidirectional transmission-based photovoltaic apparatus of claim 1 or 2, wherein: the first fixing part (2) is arranged on the outer sides of the photovoltaic panels at two ends of the frame body (4), and the second fixing part (3) is arranged between two adjacent photovoltaic panels (1).

4. A unidirectional transmission-based photovoltaic apparatus according to claim 3, characterized in that: the top of the frame body (4) is detachably connected with a long stand column (5) and a short stand column (9) of a corresponding mounting rail (8) respectively, and a plurality of long round holes (10) are formed in two side walls of the mounting rail (8).

5. A unidirectional transmission-based photovoltaic apparatus according to claim 3, characterized in that: the utility model provides a fixing device, including fixed part (2) including clamp plate and detachable first slider (2.1) of installing on track (8), the clamp plate includes first end freedom, second end fixed mounting have first diaphragm (2.7) of L type riser (2.6), the middle part of L type riser (2.6) and the first end fixed connection of second diaphragm, second diaphragm is installed and is kept away from one side and the second fixed mounting of first diaphragm (2.7) at L type riser (2.6) have down T type riser (2.9), first slider (2.1) top is equipped with bellying (2.4), the bellying be equipped with respectively with L type riser (2.6), down T type riser (2.9) complex second spacing groove (2.5), first spacing groove (2.3), still be equipped with on first slider (2.1) with first through-hole matching, first through-hole and first fastening bolt are through first fastening bolt (2.7) on first diaphragm.

6. A unidirectional transmission-based photovoltaic apparatus according to claim 3, characterized in that: the second fixing part (3) comprises a reversed-table-shaped pressing sheet (3.1), a second sliding block (3.3) detachably mounted on the mounting rail (8), a second internal thread hole is formed in the top of the second sliding block (3.3), a fourth hole matched with the second internal thread hole is formed in the bottom of the reversed-table-shaped pressing sheet (3.1), and the second internal thread hole and the fourth hole are connected through a second tightening bolt (3.2).