CN209844883U

CN209844883U - Heterojunction solar cell supporting structure

Info

Publication number: CN209844883U
Application number: CN201920892602.0U
Authority: CN
Inventors: 韩安军; 孟凡英; 刘正新; 谢毅
Original assignee: Zhongwei New Energy (chengdu) Co Ltd
Current assignee: Zhongwei New Energy (chengdu) Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2019-12-24
Anticipated expiration: 2029-06-14

Abstract

The utility model relates to a solar energy power generation technical field, the purpose provides a heterojunction solar cell supporting structure, including installation frame and the fixed solar panel assembly who sets up in the installation frame, still include the base, one side of installation frame articulates on the base, be provided with two slide rails on the base, two slide rails parallel arrangement each other, the slide rail is located the both sides of installation frame respectively, all be provided with between installation frame and two slide rails and support the down tube, the one end that supports the down tube articulates on the installation frame, the other end that supports the down tube articulates there is gliding slider in the slide rail, all be provided with a plurality of mountings that are used for fixed sliding block on two sliders, solar panel assembly includes that polylith heterojunction solar wafer connects, through welding between two adjacent heterojunction solar wafer electric connection. The utility model has the advantages of conveniently adjust solar cell panel's angle, improve solar energy conversion rate.

Description

Heterojunction solar cell supporting structure

Technical Field

The utility model relates to a solar energy power generation technical field, concretely relates to heterojunction solar cell supporting structure.

Background

Because of high pollution and high energy consumption, it is a trend to replace traditional fossil energy with new pollution-free energy, in which solar energy is one of the main alternative energy, and as a method for obtaining environment-friendly energy, solar power generation using a photoelectric conversion effect to convert light energy into electric energy has been widely used. Solar cell panels in the current market are mostly fixed by adopting a fixing frame.

Chinese patent with grant publication number CN204928685U discloses a solar module mount, including installation frame and solar cell panel, the installation frame includes back timber and floorbar, be equipped with the longitudinal support pole between back timber and the floorbar, the both ends tip of back timber is equipped with fixed stop respectively, fixed stop's one end is articulated with the back timber tip, the other end is equipped with the locking knot, the both ends tip of floorbar is equipped with the locking groove corresponding to the locking knot respectively, still be equipped with several slide rails parallel with the back timber between back timber and the floorbar, be equipped with several positioning baffle between two fixed stop on the back timber, positioning baffle's one end is articulated with the back timber, the other end is equipped with the location buckle, punishment corresponding to positioning baffle on the floorbar do not is equipped with and fixes a position buckle assorted positioning slot, solar cell panel one side is equipped with the backplate, the outside middle part of backplate is equipped with.

The prior art has the following defects: above-mentioned solar module mount is fixed with solar cell panel, if above-mentioned solar module mount sets up in low relief department, because the height of unable nimble regulation solar cell panel then leads to solar energy intake low, causes solar energy conversion rate to descend by a wide margin.

Disclosure of Invention

An object of the utility model is to provide a heterojunction solar cell supporting structure has the angle of the convenient adjustment solar cell panel, improves the advantage of solar energy conversion rate.

In order to achieve the above object, the utility model adopts the following technical scheme: a heterojunction solar cell support structure comprises an installation frame, a solar cell panel assembly fixedly arranged in the installation frame and a base, one side of the installation frame is hinged on the base, two sliding rails are arranged on the base and are arranged in parallel, the slide rails are provided with angle marks and are respectively positioned at two sides of the mounting frame, a supporting inclined rod is arranged between the mounting frame and the two slide rails, one end of the supporting inclined rod is hinged on the mounting frame, the other end of the supporting diagonal rod is hinged with a sliding block which slides in the sliding rail, a plurality of fixing parts for fixing the sliding block are arranged on the two sliding blocks, the solar cell panel assembly comprises a plurality of heterojunction solar cell pieces which are connected, and two adjacent heterojunction solar cell pieces are electrically connected through a welding strip.

Through adopting above-mentioned technical scheme, when the angle of installation frame need be adjusted, operating personnel takes off the mounting for the slider is not fixed to the mounting, and two sliders of synchronous movement again adjust two angles that support the down tube according to the angle mark on the slide rail, thereby make the inclination of installation frame change. After the positions of the two sliding blocks are adjusted, an operator fixes the two sliding blocks through the plurality of fixing pieces, so that the effects of conveniently adjusting the angle of the solar cell panel and improving the solar conversion rate are achieved.

Preferably, the fixing part comprises a screw rod and a first movable nut, a sliding opening is formed in the side wall of the sliding rail along the length direction of the sliding rail, the screw rod is fixedly arranged on the sliding block and penetrates through the sliding opening in the sliding rail, and one end, located outside the sliding rail, of the screw rod is connected with the first movable nut in a threaded mode.

Through adopting above-mentioned technical scheme, when the angle of needs adjustment installation frame, operating personnel rotates two first movable nuts earlier for two first movable nuts do not respectively with the lateral wall butt of two slide rails, two sliders of synchronous movement again adjust two angles that support the down tube, thereby make the inclination of installation frame change. After the positions of the two sliding blocks are adjusted, an operator rotates the two movable nuts, so that the two movable nuts move along the direction close to the sliding rails in the rotating process until the two movable nuts are respectively abutted against the side walls of the two sliding rails, and the effect of fixing the sliding blocks is achieved.

Preferably, the support down tube includes first sub-pole and the sub-pole of second, the one end of first sub-pole articulates on the installation frame, first sub-pole sets up for inside cavity, the other end cover of first sub-pole is established on the one end of the sub-pole of second, the other end of the sub-pole of second articulates there is gliding slider in the slide rail, first connecting opening has been seted up on the lateral wall that first sub-pole is close to the one end of the sub-pole of second, a plurality of second connecting opening has been seted up on the sub-pole of second, and is a plurality of second connecting opening is along the length direction evenly distributed of the sub-pole of second, wear to be equipped with connecting bolt between first sub-pole and the sub-pole of second, first connecting opening and a second connecting opening are passed to connecting bolt's one end, threaded connection has the second movable nut on the connecting bolt.

Through adopting above-mentioned technical scheme, support the down tube and cup joint by first sub-pole and the sub-pole of second and form for the length of supporting the down tube is adjustable. When the length of the supporting inclined rod needs to be adjusted, an operator takes down the second movable nut firstly, then takes down the connecting bolt, slides out one part of one end of the second sub-rod from the first sub-rod or slides into one part of the second sub-rod, aligns one second connecting opening with the first connecting opening, and then sequentially penetrates through one second connecting opening and the first connecting opening through the connecting bolt, so that the first sub-rod and the second sub-rod are fixed.

Preferably, the cross-sectional shape of the slide rail is dovetail-shaped, and the slide block is matched with the slide rail in shape.

Through adopting above-mentioned technical scheme, reach the in-process that makes the slider slide in the slide rail, prevent the effect that the slider breaks away from the slide rail.

Preferably, the heterojunction solar cell comprises a front electrode, a front oxidized transparent conducting layer TCO, a P-type hydrogenated amorphous silicon layer, a front intrinsic hydrogenated amorphous silicon layer, an N-type doped silicon substrate, a back intrinsic hydrogenated amorphous silicon layer, an N-type hydrogenated amorphous silicon layer, a back oxidized transparent conducting layer TCO and a back electrode which are sequentially arranged from top to bottom.

Preferably, the front electrode and the back electrode are made of metal silver with the thickness of 5-10 mu m.

Preferably, the thickness of the N-type doped silicon substrate is 200-400 μm.

Preferably, the solder strip is made of a tin alloy clad copper strip.

In conclusion, the beneficial effects of the invention are as follows:

1. the utility model has the advantages of conveniently adjust solar cell panel's angle, improve solar energy conversion rate.

Drawings

Fig. 1 is a schematic structural diagram for showing a heterojunction solar cell of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged partial view of portion B of FIG. 2;

fig. 5 is a schematic structural view of the display fixing member of the present invention.

In the figure, 1, mounting frame; 2. a heterojunction solar cell; 21. a front electrode; 22. oxidizing the transparent conductive layer TCO on the front surface; 23. a P-type hydrogenated amorphous silicon layer; 24. a front intrinsic type hydrogenated amorphous silicon layer; 25. an N-type doped silicon substrate; 26. a reverse intrinsic type hydrogenated amorphous silicon layer; 27. an N-type hydrogenated amorphous silicon layer; 28. oxidizing the transparent conducting layer TCO on the back surface; 29. a back electrode; 3. a base; 31. a slide rail; 311. a slide opening; 4. supporting the diagonal rods; 41. a first sub-bar; 411. a connecting bolt; 412. a second movable nut; 413. a first connection opening; 42. a second sub-bar; 421. a second connection opening; 5. a slider; 6. a fixing member; 61. a screw; 62. a first movable nut.

Detailed Description

The technical solution in the embodiments of the present invention is clearly and completely described below with reference to fig. 1 to 5 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the heterojunction solar cell support structure comprises an installation frame 1 and a solar cell panel assembly fixedly arranged in the installation frame 1, wherein the solar cell panel assembly comprises a plurality of heterojunction solar cell pieces 2 which are connected, and the two adjacent heterojunction solar cell pieces 2 are electrically connected through welding strips. The heterojunction solar cell 2 comprises a front electrode 21, a front oxidized transparent conducting layer TCO22, a P-type hydrogenated amorphous silicon layer 23, a front intrinsic hydrogenated amorphous silicon layer 24, an N-type doped silicon substrate 25, a back intrinsic hydrogenated amorphous silicon layer 26, an N-type hydrogenated amorphous silicon layer 27, a back oxidized transparent conducting layer TCO28 and a back electrode 29 which are sequentially arranged from top to bottom. In this embodiment, the front electrode 21 and the back electrode 29 are made of silver metal with a thickness of 5-10 μm, the N-doped silicon substrate 25 is made of 200-400 μm, and the solder strip is made of a tin alloy coated copper strip.

The heterojunction solar cell piece 2 is laminated with two heterojunctions with different energy band structures, so that the absorption and utilization of the solar cell to light are improved, the interface defect state density is reduced, the carrier collection is improved, and the conversion efficiency of the solar cell is improved.

Referring to fig. 2 and 4, the heterojunction solar cell structure further comprises a base 3, one side of the installation frame 1 is hinged to the base 3, two sliding rails 31 are arranged on the base 3, the two sliding rails 31 are parallel to each other, angle marks are arranged on the two sliding rails 31, and the sliding rails 31 are respectively located on two sides of the installation frame 1. All be provided with between installation frame 1 and two slide rails 31 and support down tube 4, the one end that supports down tube 4 articulates on installation frame 1, and the other end that supports down tube 4 articulates has slider 5 that slides in slide rail 31, all is provided with three mounting 6 that are used for fixed slider 5 on two sliders 5. Referring to fig. 5, the fixing member 6 includes a screw 61 and a first movable nut 62, a sliding opening 311 is formed in a side wall of the slide rail 31 along a length direction of the slide rail 31, the screw 61 is fixedly disposed on the slider 5, the screw 61 passes through the sliding opening 311 of the slide rail 31, and one end of the screw 61 located outside the slide rail 31 is connected with the first movable nut 62 through a thread.

When the angle of installation frame 1 needs to be adjusted, operating personnel rotates two first movable nuts 62 earlier for two first movable nuts 62 do not respectively with the lateral wall butt of two slide rails 31, two sliders 5 of synchronous movement again, according to the angle mark on the slide rail 31, adjust two angles that support down tube 4, thereby make the inclination of installation frame 1 change. After the positions of the two sliding blocks 5 are adjusted, an operator rotates the two movable nuts, so that the two movable nuts move along the direction close to the sliding rails 31 in the rotating process until the two movable nuts are respectively abutted against the side walls of the two sliding rails 31 to fix the sliding blocks 5.

Referring to fig. 2 and 3, the supporting diagonal rod 4 includes a first sub-rod 41 and a second sub-rod 42, one end of the first sub-rod 41 is hinged to the mounting frame 1, the first sub-rod 41 is hollow inside, the other end of the first sub-rod 41 is sleeved on one end of the second sub-rod 42, and the other end of the second sub-rod 42 is hinged to a sliding block 5 sliding in the sliding rail 31. The side wall of the first sub-rod 41 near one end of the second sub-rod 42 is provided with a first connecting opening 413, the second sub-rod 42 is provided with three second connecting openings 421, and the three second connecting openings 421 are uniformly distributed along the length direction of the second sub-rod 42. A connecting bolt 411 is arranged between the first sub-rod 41 and the second sub-rod 42 in a penetrating manner, one end of the connecting bolt 411 passes through the first connecting opening 413 and the second connecting opening 421, and a second movable nut 412 is connected to the connecting bolt 411 in a threaded manner.

The supporting diagonal rod 4 is formed by sleeving a first sub-rod 41 and a second sub-rod 42, so that the length of the supporting diagonal rod 4 is adjustable. When the length of the supporting diagonal rod 4 needs to be adjusted, an operator first takes down the second movable nut 412, then takes down the connecting bolt 411, slides one end of the second sub-rod 42 out of or into one part of the first sub-rod 41, aligns one second connecting opening 421 with the first connecting opening 413, and then sequentially passes through one second connecting opening 421 and the first connecting opening 413 by the connecting bolt 411, so as to fix the first sub-rod 41 and the second sub-rod 42.

The utility model discloses an implement the principle and do: before the heterojunction solar cell structure is used, the length of the supporting diagonal rod 4 is adjusted according to the placement position. When the length of the supporting diagonal rod 4 needs to be adjusted, an operator first takes down the second movable nut 412, then takes down the connecting bolt 411, slides one end of the second sub-rod 42 out of or into one part of the first sub-rod 41, aligns one second connecting opening 421 with the first connecting opening 413, and then sequentially passes through one second connecting opening 421 and the first connecting opening 413 by the connecting bolt 411, so as to fix the first sub-rod 41 and the second sub-rod 42. After adjusting the length of supporting down tube 4, the angle of installation frame 1 is adjusted again, and operating personnel rotates two first movable nuts 62 earlier for two first movable nuts 62 do not respectively with the lateral wall butt of two slide rails 31, two sliders 5 of synchronous movement again, adjust two angles that support down tube 4, thereby make the inclination of installation frame 1 change. After adjusting two slider 5's position, operating personnel rotates two movable nut for two movable nut are at the pivoted in-process, along the direction removal that is close to slide rail 31, until two movable nut respectively with two slide rail 31's lateral wall butt, thereby fixed slider 5 makes the angle of installation frame 1 fixed.

In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Claims

1. A heterojunction solar cell support structure comprises an installation frame (1) and a solar cell panel assembly fixedly arranged in the installation frame (1), and is characterized by further comprising a base (3), one side of the installation frame (1) is hinged on the base (3), two sliding rails (31) are arranged on the base (3), the two sliding rails (31) are arranged in parallel, angle marks are arranged on the sliding rails (31), the sliding rails (31) are respectively positioned on two sides of the installation frame (1), a supporting oblique rod (4) is arranged between the installation frame (1) and the two sliding rails (31), one end of the supporting oblique rod (4) is hinged on the installation frame (1), the other end of the supporting oblique rod (4) is hinged with a sliding block (5) sliding in the sliding rails (31), two all be provided with a plurality of being used for fixing on slider (5) mounting (6) of slider (5), solar panel component includes that polylith heterojunction solar wafer (2) connect, through welding between two adjacent heterojunction solar wafer (2) take electric connection.

2. The heterojunction solar cell support structure of claim 1, wherein: fixing piece (6) include screw rod (61) and first movable nut (62), slip opening (311) have been seted up along the length direction of slide rail (31) to the lateral wall of slide rail (31), screw rod (61) are fixed to be set up on slider (5), screw rod (61) pass slip opening (311) on slide rail (31), screw rod (61) are located the outer one end threaded connection of slide rail (31) and have first movable nut (62).

3. The heterojunction solar cell support structure of claim 1, wherein: support down tube (4) including first sub-pole (41) and second sub-pole (42), the one end of first sub-pole (41) articulates on installation frame (1), first sub-pole (41) are inside cavity setting, the other pot head of first sub-pole (41) is established on the one end of second sub-pole (42), the other end of second sub-pole (42) articulates there is gliding slider (5) in slide rail (31), first sub-pole (41) have been seted up first connection opening (413) on being close to the lateral wall of the one end of second sub-pole (42), a plurality of second connection opening (421) have been seted up on second sub-pole (42), it is a plurality of second connection opening (421) are along the length direction evenly distributed of second sub-pole (42) second connection opening (421), wear to be equipped with connecting bolt (411) between first sub-pole (41) and second sub-pole (42), first connection opening (413) and second connection opening (421) are passed to the one end of connecting bolt (411) And a second movable nut (412) is connected to the connecting bolt (411) in a threaded manner.

4. The heterojunction solar cell support structure of claim 1, wherein: the cross section of the sliding rail (31) is in a dovetail shape, and the sliding block (5) is matched with the sliding rail (31) in shape.

5. The heterojunction solar cell support structure of claim 1, wherein: the heterojunction solar cell (2) comprises a front electrode (21), a front oxidized transparent conducting layer TCO (22), a P-type hydrogenated amorphous silicon layer (23), a front intrinsic hydrogenated amorphous silicon layer (24), an N-type doped silicon substrate (25), a back intrinsic hydrogenated amorphous silicon layer (26), an N-type hydrogenated amorphous silicon layer (27), a back oxidized transparent conducting layer TCO (28) and a back electrode (29) which are sequentially arranged from top to bottom.

6. The heterojunction solar cell support structure of claim 5, wherein: the front electrode (21) and the back electrode (29) are made of metal silver with the thickness of 5-10 mu m.

7. The heterojunction solar cell support structure of claim 5, wherein: the thickness of the N-type doped silicon substrate (25) is 200-400 mu m.

8. The heterojunction solar cell support structure of claim 1, wherein: the solder strip is made of a tin alloy clad copper strip.