CN216565003U

CN216565003U - Heterojunction photovoltaic module

Info

Publication number: CN216565003U
Application number: CN202122225264.5U
Authority: CN
Inventors: 李纪伟; 王永; 巴义敏; 王海涛; 吕井成; 蒲雪莲
Original assignee: Tangshan Haitai New Energy Technology Co Ltd
Current assignee: Tangshan Haitai New Energy Technology Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-05-17
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to the technical field of photovoltaic modules, in particular to a heterojunction photovoltaic module. Including heterojunction photovoltaic board and box, heterojunction photovoltaic board is the strip, many heterojunction photovoltaic board is parallel to each other transversely is in the inside of box, the coaxial two articulated shafts that are provided with of left and right sides tip of heterojunction photovoltaic board, the left and right sides of box is provided with two vertical fixed strips respectively, the articulated shaft penetrates in the fixed strip, a side end of heterojunction photovoltaic board outwards stretches out there is the drive shaft, many the drive shaft of heterojunction photovoltaic board penetrates in the drive strip of vertical setting jointly, the one end of drive strip articulates there is crank rocker mechanism. The hinge shaft that makes in the box polylith strip heterojunction photovoltaic board through setting up realizes the certain angle of upset under the drive of drive strip, can adapt to the irradiant not co-altitude of sun.

Description

Heterojunction photovoltaic module

Technical Field

The utility model relates to the technical field of photovoltaic modules, in particular to a heterojunction photovoltaic module.

Background

The heterojunction battery has high conversion efficiency, great expansion potential and simple process, has clear cost reduction route, conforms to the development law of the photovoltaic industry, and is the most potential next generation battery technology. Heterojunction cells are all known as intrinsic thin-film heterojunction cells, and are also based on the photovoltaic effect, except that the P-N junction is formed of amorphous silicon (a-Si) and crystalline silicon (c-Si) materials, and the high-low junction on the back side is also formed. In the aspect of new battery technology, the heterojunction battery has the advantages of high conversion efficiency, high double-sided photoelectric conversion rate, almost no light-induced attenuation, good temperature characteristic and the like due to the unique double-sided symmetrical structure and the excellent passivation effect of the amorphous silicon layer, and is the key point for researching the layout of various photovoltaic enterprises.

The heterojunction photovoltaic module of current two-sided electricity generation is the flat structure, and when the installation environment required the vertical fixed of subassembly, the electricity generation was leaned on directly projecting of sunlight in heterojunction photovoltaic module's front, because the difference in season, the height of sun has great difference, and vertical fixed photovoltaic module every single move angle can not be adjusted, causes the subassembly can not just to sunshine, influences heterojunction photovoltaic module's generating efficiency.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to solve the technical defects, and provide a heterojunction photovoltaic module, wherein the heterojunction photovoltaic module is arranged into a plurality of strip-shaped heterojunction photovoltaic plates which are arranged in parallel, the plurality of heterojunction photovoltaic plates are turned over up and down through the arranged articulated shafts, the articulated shafts and the crank rocker mechanisms, the pitching angles of the photovoltaic plates can be adjusted according to different seasons, and the problem that the pitching angles of the existing vertically fixed photovoltaic module cannot be adjusted to influence the power generation efficiency of the heterojunction photovoltaic module is solved.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a heterojunction photovoltaic module, includes heterojunction photovoltaic board and box, heterojunction photovoltaic board is the strip, many the horizontal that heterojunction photovoltaic board is parallel to each other is in the inside of box, the coaxial two articulated shafts that are provided with of left and right sides tip of heterojunction photovoltaic board, the left and right sides of box is provided with two vertical fixed strips respectively, the articulated shaft penetrates in the fixed strip, a side end of heterojunction photovoltaic board outwards stretches out there is the drive shaft, many the drive shaft of heterojunction photovoltaic board penetrates in the drive strip of vertical setting jointly, the one end of drive strip articulates there is crank rocker mechanism. The hinge shaft that makes in the box polylith strip heterojunction photovoltaic board through setting up realizes the certain angle of upset under the drive of drive strip, can adapt to the irradiant not co-altitude of sun.

Further optimize this technical scheme, the crank rocker includes the motor and sets up the carousel in the motor output shaft, it has the connecting rod to articulate between carousel and the drive strip. The pitch angle of the heterojunction photovoltaic panel is more accurately adjusted by being driven by the motor, and the controllability is good.

Further optimize this technical scheme, the heterojunction photovoltaic board is kept away from the one end of drive shaft is provided with the electrode of evagination, the gliding connection of electrode is in the pole piece, the pole piece includes arc section and lower arc section, go up the arc section with the arc section is connected respectively down in adjacent two the electrode of heterojunction photovoltaic board, go up the arc section with the circular arc axle center of arc section is coaxial setting with the articulated shaft of corresponding heterojunction photovoltaic board respectively down, the pole piece is attached in the lateral wall of box one side. Through the electrode and the pole piece contact cooperation that sets up two segmental arcs, can establish ties a plurality of heterojunction photovoltaic boards, and do not influence the adjustment of the angle of pitch each other.

Further optimize this technical scheme, the front and back panel of box is transparent photovoltaic glass. The heterojunction photovoltaic panel is guaranteed to realize double-sided power generation.

Further optimize this technical scheme, the top of box is provided with the mounting groove, the mounting groove sets up at the front side photovoltaic glass's rear portion. The installation that can make whole subassembly through the mounting groove that sets up is more hidden, avoids the hourglass of installing frame, has guaranteed the uniformity of outward appearance.

Drawings

Fig. 1 is a front view of a heterojunction photovoltaic module.

Fig. 2 is a schematic structural diagram of a heterojunction photovoltaic module on one side where a driving strip is arranged.

Fig. 3 is a schematic structural diagram of a heterojunction photovoltaic module on the side where a pole piece is arranged.

In the figure: 1. a heterojunction photovoltaic panel; 11. hinging shafts; 12. a drive shaft; 13. an electrode; 2. a box body; 3. photovoltaic glass; 4. mounting grooves; 5. a fixing strip; 6. a drive bar; 7. a motor; 71. a turntable; 72. a connecting rod; 8. a first terminal post; 81. a second terminal; 9. pole pieces; 91. an upper arc section; 92. a lower arc segment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings of the embodiments. It is to be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention also do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The specific implementation mode is as follows: with reference to fig. 1-3, a heterojunction photovoltaic module comprises a heterojunction photovoltaic panel 1 and a box body 2, wherein the front and rear panels of the box body 2 are made of transparent photovoltaic glass 3. The top of box 2 is provided with mounting groove 4, mounting groove 4 sets up in the front side photovoltaic glass 3's rear portion. Heterojunction photovoltaic board 1 is the strip, many heterojunction photovoltaic board 1 is parallel to each other transversely is in the inside of box 2, the coaxial two articulated shafts 11 that are provided with of left and right sides tip of heterojunction photovoltaic board 1, the left and right sides of box 2 is provided with two vertical fixed strips 5 respectively, articulated shaft 11 penetrates in fixed strip 5, a side end of heterojunction photovoltaic board 1 outwards stretches out there is drive shaft 12, many the drive shaft 12 of heterojunction photovoltaic board 1 penetrates in the drive strip 6 of vertical setting jointly, the one end of drive strip 6 articulates there is crank rocker mechanism. The crank rocker comprises a motor 7 and a rotary disc 71 arranged in an output shaft of the motor 7, and a connecting rod 72 is hinged between the rotary disc 71 and the driving strip 6.

Heterojunction photovoltaic board 1 keeps away from the one end of drive shaft 12 is provided with evagination electrode 13, the gliding connection of electrode 13 is in pole piece 9, pole piece 9 includes segmental arc 91 and lower segmental arc 92, go up segmental arc 91 with segmental arc 92 is connected respectively at adjacent two respectively in heterojunction photovoltaic board 1's electrode 13, go up segmental arc 91 with segmental arc 92's circular arc axle center sets up with the articulated shaft 11 of corresponding heterojunction photovoltaic board 1 is coaxial respectively down, pole piece 9 is attached in the lateral wall of box 2 one side.

When the adjusting device is used, as shown in the combined drawings 1-3, when the pitch angle of the heterojunction photovoltaic panel 1 needs to be adjusted, the motor 7 drives the crank rocker mechanism to enable the driving strips 6 to pull the driving shaft 12 of each heterojunction photovoltaic panel 1, so that the heterojunction photovoltaic panels 1 rotate around the hinged shafts 11 by a certain angle, and the adjustment of the pitch angle is completed. The positive electrodes 13 and the negative electrodes 13 of the plurality of heterojunction photovoltaic panels 1 are connected in series through the pole pieces 9, and two ends of the series connection are respectively connected with the first binding post 8 and the second binding post 81. The output of electric power is realized by the first terminal 8 and the second terminal 81.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A heterojunction photovoltaic module, includes heterojunction photovoltaic board (1) and box (2), its characterized in that: heterojunction photovoltaic board (1) are the strip, many heterojunction photovoltaic board (1) is parallel to each other transversely put the inside of box (2), the coaxial two articulated shafts (11) that are provided with of left and right sides tip of heterojunction photovoltaic board (1), the left and right sides of box (2) is provided with two vertical fixed strip (5) respectively, articulated shaft (11) penetrate in fixed strip (5), a side end of heterojunction photovoltaic board (1) outwards stretches out drive shaft (12), many drive shaft (12) of heterojunction photovoltaic board (1) penetrate in drive strip (6) of vertical setting jointly, the one end of drive strip (6) articulates there is crank rocker mechanism.

2. A heterojunction photovoltaic module according to claim 1, wherein: the crank rocker comprises a motor (7) and a rotary table (71) arranged in an output shaft of the motor (7), and a connecting rod (72) is hinged between the rotary table (71) and the driving strip (6).

3. A heterojunction photovoltaic module according to claim 1, wherein: heterojunction photovoltaic board (1) is kept away from the one end of drive shaft (12) is provided with electrode (13) of evagination, gliding connection of electrode (13) is in pole piece (9), pole piece (9) are including arc section (91) and lower arc section (92), go up arc section (91) with arc section (92) are connected respectively down adjacent two in electrode (13) of heterojunction photovoltaic board (1), go up arc section (91) with the circular arc axle center of arc section (92) respectively with corresponding heterojunction photovoltaic board (1) articulated shaft (11) coaxial setting, pole piece (9) are attached in the lateral wall of box (2) one side.

4. A heterojunction photovoltaic module according to any one of claims 1 to 3, wherein: the front panel and the rear panel of the box body (2) are made of transparent photovoltaic glass (3).

5. A heterojunction photovoltaic module according to claim 4, wherein: the top of box (2) is provided with mounting groove (4), mounting groove (4) set up in the front side the rear portion of photovoltaic glass (3).