CN218351480U - Use efficient MBB subassembly - Google Patents

Abstract

The utility model belongs to the technical field of the photovoltaic module structure, especially, relate to an use efficient MBB subassembly. The utility model discloses a set up line, line box, wiring, U-shaped board unit, installation backplate unit on MBB main part board to and the mode that the framework unit was opened to the side, make the photovoltaic power generation of this MBB subassembly use more high-efficient, safety, convenience. The utility model has the advantages of it is following: firstly, the mounting back plate unit can be simultaneously connected with two ends of two U-shaped plate units, so that a stable rectangular frame is formed by the two U-shaped plate units, and the position of a circle of the side edge of the MBB main body plate can be fully protected; second, the frame body unit is opened to the side on the installation backplate unit, can stabilize the installation line box for the line box can not block illumination, and its self is difficult for also dropping.

Description

Use efficient MBB subassembly

Technical Field

The utility model belongs to the technical field of the photovoltaic module structure, especially, relate to an use efficient MBB subassembly.

Background

The MBB component means that the photovoltaic component adopts MBB technology, namely multi-main-grid technology. The multi-main grid technology refers to a cell slice of a photovoltaic module, and has 9 or 12 main grids, for example, and compared with a traditional 5-main grid cell slice, the advantages are mainly reflected in the following 2 aspects.

First, electrical gain: the multi-main grid shortens the current transmission distance of the thin grid line, reduces the series resistance and further reduces the resistance loss.

Second, optical gain: effectively reduce grid line shading area, promote the battery photic area, increased the battery photic volume when the incident angle is 0.

Although the gain effect is greatly reduced under the condition of non-standard irradiation dose, and the multi-main-grid technology cell has a plurality of problems in the preparation process, the multi-main-grid technology is combined with double-sided, laminated and half-sheet novel cells and other technologies, and is still one of the important development directions of future photovoltaic module cells.

The utility model discloses a chinese utility model patent that patent publication number is CN213878111U, announces day 2021.08.03 discloses a half heterojunction photovoltaic module of MBB copper bars, photovoltaic module from the top down is upper glass, upper EVA POE solar energy encapsulation membrane, battery cluster, lower floor EVA POE solar energy encapsulation membrane, lower floor glass encapsulation in proper order and forms, the battery cluster is formed by welding the mode of establishing ties earlier afterwards parallelly connected by the solder strip by half heterojunction battery of copper bars, install the terminal box on the upper glass.

Obviously, the MBB photovoltaic module in the utility model patent has at least the following 2 points that can be improved in structural design.

Firstly, the junction box is arranged on the upper layer of glass, so that the illumination can be directly blocked, and the irradiation quantity of effective power generation is greatly reduced.

Second, it lacks the frame structure, consequently not only self border is collided with easily, also is difficult to abundant, safe connection between photovoltaic module and the erection column moreover.

Therefore, in view of the above, there is an urgent need for an MBB photovoltaic module with higher efficiency and safety in photovoltaic power generation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an use efficient MBB subassembly, it can be through setting up line, line box, wiring, U-shaped board unit, installation backplate unit on MBB main part board to and the mode that the framework unit was opened to the side, make the photovoltaic power generation of this MBB subassembly use more high-efficient, safety, convenience.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides an use efficient MBB subassembly, the structure includes MBB main part board, the line box to and the wiring, still include the block setting two U-shaped plate units on the MBB main part board side, both ends are all connected two the installation backplate unit of U-shaped plate unit, and set up on the installation backplate unit lower surface, and be used for the installation the side of line box is opened the frame body unit.

The further preferred technical scheme is as follows: the U-shaped plate unit comprises a U-shaped plate body, is arranged on three inner side faces of the U-shaped plate body and is used for being inserted into the communication groove of the MBB main body plate, and is respectively arranged at the positions of two ends of the communication groove and used for being connected with two screw holes of the installation backboard unit.

The further preferred technical scheme is as follows: the installation back plate unit comprises a rectangular plate arranged at the position below the MBB main body plate, four installation holes arranged at the positions of two ends of the rectangular plate in pairs and used for connecting bolts of the screw holes.

The further preferred technical scheme is as follows: the U-shaped plate unit further comprises a screw cylinder which is arranged in the communicating groove and used for connecting the bolt.

The further preferred technical scheme is as follows: the installation back plate unit further comprises an opening hole plate which is arranged at one end position on the upper surface of the rectangular plate and is used for inserting the connecting line.

The further preferred technical scheme is as follows: the installation back plate unit further comprises two hinged hole plates which are arranged on the lower surface of the rectangular plate and used for being connected with the photovoltaic installation columns.

The further preferred technical scheme is as follows: the side-opening frame unit comprises a rectangular side-opening frame body which is arranged on the lower surface of the rectangular plate and used for inserting and installing the wire box.

The further preferred technical scheme is as follows: the side-opening frame unit further comprises a side plate or a bottom plate arranged on the rectangular side-opening frame and used for penetrating out of the wire hole of the wiring.

The further preferred technical scheme is as follows: the side-opening frame unit further comprises an elastic sheet which is arranged on the inner side face of the rectangular side-opening frame and is used for clamping the wire box.

The further preferred technical scheme is as follows: the side-opening frame unit further comprises a protective bolt which is arranged on the bottom plate of the rectangular side-opening frame and used for limiting and blocking the wire box on the opposite outer side of the frame.

The utility model has the advantages of the following.

First, the both ends of two U-shaped board units can be connected simultaneously to the installation backplate unit, guarantee that two U-shaped board units enclose into a stable rectangular frame for the side round position department of MBB main part board can both obtain fully protecting.

Second, the frame body unit is opened to the side on the installation backplate unit, can stabilize the installation line box for the line box can not block illumination, and its self is difficult for also dropping.

And thirdly, the installation back plate unit is hinged with the photovoltaic installation column, so that the flexible and adjustable inclination angle of the MBB main body plate is ensured.

Fourthly, the connecting line and the connecting line are provided with respective mounting positions, so that the connecting line is prevented from being bent and falling greatly

Fifthly, the U-shaped plate unit comprises a screw cylinder, which can improve the screw joint strength of the U-shaped plate unit and avoid the accidental collision of the bolt with the MBB main body plate.

Sixth, the rectangular frame of the MBB module is divided into two, so that the entering and installation operation of the MBB main body plate is relatively simple.

Seventh, the wire box is in the side opening frame body unit, and has the friction anti-falling effect, and has the bolt to block spacing effect again, is difficult for dropping when making its installation, and it is also relatively convenient when needs get to put.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of the position structure of a MBB main body plate in the prior art.

Fig. 3 is a schematic diagram of the position structure of the U-shaped plate unit of the present invention.

Fig. 4 is a schematic diagram of the position structure of the middle opening hole plate of the present invention.

Fig. 5 is a schematic view of the position structure of the middle screw cylinder of the present invention.

Fig. 6 is a schematic view of the position structure of the middle side opening frame unit of the present invention.

In the drawings, the reference numerals have the following meanings: MBB main part board a, line b, line box c, wiring d, U-shaped board unit 1, installation backplate unit 2, side division frame body unit 3.

U-shaped plate body 101, communication groove 102, screw hole 103, rectangular plate 201, mounting hole 202, bolt 203, screw cylinder 104, open pore plate 204, hinged pore plate 205, rectangular side open frame body 301, line hole 302, elastic sheet 303 and protective bolt 304.

Detailed Description

The following description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

As shown in fig. 1-6, an efficient MBB assembly structurally comprises an MBB main body board a, a connecting line b, a line box c, a connecting line d, two U-shaped board units 1 clamped on the side edges of the MBB main body board a, an installation backplane unit 2 with two ends connected with the two U-shaped board units 1, and a side opening frame unit 3 arranged on the lower surface of the installation backplane unit 2 and used for installing the line box c.

In this embodiment, the MBB main body plate a is a main body plate of a conventional MBB photovoltaic module, and its specific structure includes front glass, an upper adhesive film, an MBB cell sheet, a lower adhesive film, and a back plate, respectively, from top to bottom. Of course, the back plate is changed into back glass, namely the MBB-double-glass main body plate.

In addition, two U-shaped plate units 1 splice each other, form a relatively complete rectangle framework, with the rectangle MBB main part board a put into it, can greatly reduced MBB main part board a side is collided with cracked risk.

Finally, installation backplate unit 2 upwards connects the installation two U-shaped plate unit 1, the articulated erection column of downward, guarantees that this MBB subassembly can normal use, and side division frame body unit 3 also is located on the installation backplate unit 2, can guarantee line box c's position can not block illumination, and then can promote the photovoltaic power generation efficiency of this MBB subassembly correspondingly.

The U-shaped plate unit 1 includes a U-shaped plate body 101, a communicating groove 102 provided on three inner side surfaces of the U-shaped plate body 101 and adapted to be inserted into the MBB main body plate a, and two screw holes 103 provided at positions at both ends of the communicating groove 102, respectively, and adapted to connect the mounting backplane unit 2.

In this embodiment, the U-shaped plate unit 1 has a U-shaped cross section, the MBB main body plate a is clamped into the communication groove 102, and finally the U-shaped plate 101 is screwed to the mounting backplane unit 2, so that the MBB main body plate a is mounted stably.

On the other hand, the three inner sides of the communication groove 102 can be provided with adhesive tapes to avoid crushing the MBB main body plate a.

The mounting backplate unit 2 includes a rectangular plate 201 disposed at a position below the MBB main body plate a, four mounting holes 202 disposed two by two at both end positions of the rectangular plate 201, respectively, and bolts 203 disposed on the mounting holes 202 and for connecting the screw holes 103.

In this embodiment, the four mounting holes 202 correspond to the four screw holes 103 one by one, and whether a thread is formed in each mounting hole 202 may be determined.

The U-shaped plate unit 1 further includes a barrel 104 disposed in the communication groove 102 and adapted to be coupled to the bolt 203.

In this embodiment, the barrel 104 has at least the following 2 functions.

Firstly, the bolt connection length between the bolt 203 and the U-shaped plate body 101 is increased, and the bolt connection installation stability of the U-shaped plate body 101 is further improved.

Secondly, the bolt 203 is surrounded, so that the bolt is prevented from colliding with the side edge of the MBB main body plate a after being inclined.

Of course, the location of the barrel 104 also needs to be relatively outside, and it cannot itself touch the side of the MBB body plate a.

The mounting backplate unit 2 further includes an opening hole plate 204 provided at an end position on the upper surface of the rectangular plate 201 and into which the connection line b is inserted.

In this embodiment, the perforated plate 204 is used to extrude the connection line b, and mainly functions as: when the connection line b is pulled by a force, the aperture plate 204 can bear a part of the pulling force, rather than applying the pulling force to the MBB main body plate a completely, so that the connection position of the connection line b and the MBB main body plate a can be firmer and safer.

In addition, there is only one wire box c, but there are two abutting fracture regions of the two U-shaped plate bodies 101. The U-shaped plate 101 may be configured in a one-side-to-one-side short configuration, i.e. two long sides are joined oppositely, where the wire box c is not located, and the opposite joint of two short sides exposes a larger space for installing the wire box c and accommodating the aperture plate 204.

The ultimate goal is to expose as few sides of the MBB body panel a as possible on the premise of reasonable size and no crushing of the MBB body panel a.

The mounting backplane unit 2 further comprises two hinged apertured plates 205 arranged on the lower surface of the rectangular plate 201 and used for connecting photovoltaic mounting posts.

In this embodiment, be equipped with the end orifice plate on the current photovoltaic erection column, two end orifice plate is pressed from both sides to articulated orifice plate 205, and whole spiro union at last can guarantee MBB main part board a both can adjust inclination, can fully fix after adjusting again and press from both sides tightly.

The side opening frame unit 3 includes a rectangular side opening frame 301 provided on the lower surface of the rectangular plate 201 and used to insert and mount the wire cassette c.

In this embodiment, the rectangular side opening frame body 301 includes 3 side plates and 1 bottom plate, and the line box c is plugged in from the opening, i.e. can be stably installed, and at least, it is ensured that the line box c does not block the illumination.

The side opening frame unit 3 further includes a wire hole 302 provided on a side plate or a bottom plate of the rectangular side opening frame 301 and used for passing through the wire d.

In this embodiment, the wire hole 302 ensures that the whole wire d can pass through.

The side opening frame unit 3 further includes an elastic sheet 303 provided on an inner side surface of the rectangular side opening frame 301 and configured to clamp the wire cassette c.

In this embodiment, the elastic sheet 303 is made of common rubber, and the number of the elastic sheets is 2, and the elastic sheets are respectively located on two opposite inner side surfaces of the rectangular side open frame 301, and are used for anti-skid reinforcement of the wire box c.

The side opening frame unit 3 further includes a guard bolt 304 disposed on the bottom plate of the rectangular side opening frame 301 and used for limiting and blocking the wire box c at the opposite outer side of the frame.

In this embodiment, when the wire box c is installed, the protective bolt 304 firstly exits downwards, and then upwards screws in after the wire box c with the connecting wire d is installed in place, so as to ensure that the wire box c is not easy to drop.

Of course, the protective bolt 304 cannot clamp the wire box c, just on the outside to avoid it falling out.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the appended claims.

Claims (10)

1. An MBB module using high efficiency, the structure comprising an MBB main body board (a), a wiring (b), a wiring box (c), and a wiring (d), characterized in that: the MBB main body plate (a) is provided with two U-shaped plate units (1) on the side edges, two ends of each U-shaped plate unit are connected with the mounting backboard unit (2) of each U-shaped plate unit (1), and the mounting backboard unit (2) is arranged on the lower surface of the mounting backboard unit (2) and used for mounting the side opening frame body unit (3) of the wire box (c).

2. An MBB assembly with high efficiency as defined in claim 1, wherein: the U-shaped plate unit (1) comprises a U-shaped plate body (101), a communication groove (102) which is formed in three inner side faces of the U-shaped plate body (101) and used for being inserted into the MBB main body plate (a), and two screw holes (103) which are formed in positions of two ends of the communication groove (102) respectively and used for being connected with the installation back plate unit (2).

3. An MBB assembly with high efficiency as defined in claim 2, wherein: the mounting back plate unit (2) comprises a rectangular plate (201) arranged at the position below the MBB main body plate (a), four mounting holes (202) arranged at two ends of the rectangular plate (201) in pairs respectively, and bolts (203) arranged on the mounting holes (202) and used for connecting the screw holes (103).

4. A MBB assembly that uses high efficiency according to claim 3, wherein: the U-shaped plate unit (1) further comprises a screw cylinder (104) which is arranged in the communication groove (102) and is used for connecting the bolt (203).

5. A MBB assembly that uses high efficiency according to claim 3, wherein: the mounting back plate unit (2) further comprises an opening hole plate (204) which is arranged at one end position on the upper surface of the rectangular plate (201) and is used for inserting the connecting line (b).

6. A high efficiency MBB assembly as claimed in claim 3, wherein: the mounting back plate unit (2) further comprises two hinged hole plates (205) arranged on the lower surface of the rectangular plate (201) and used for connecting the photovoltaic mounting columns.

7. A MBB assembly that uses high efficiency according to claim 3, wherein: the side-opening frame unit (3) comprises a rectangular side-opening frame (301) which is arranged on the lower surface of the rectangular plate (201) and used for inserting and installing the wire box (c).

8. An MBB assembly that uses high efficiency according to claim 7, wherein: the side-opening frame body unit (3) further comprises a wire hole (302) which is arranged on a side plate or a bottom plate of the rectangular side-opening frame body (301) and used for penetrating out of the wiring (d).

9. A high efficiency MBB assembly as claimed in claim 7, wherein: the side-opening frame unit (3) further comprises an elastic sheet (303) which is arranged on the inner side surface of the rectangular side-opening frame (301) and is used for clamping the wire box (c).

10. An MBB assembly that uses high efficiency according to claim 7, wherein: the side-opening frame unit (3) further comprises a protective bolt (304) which is arranged on a bottom plate of the rectangular side-opening frame (301) and used for limiting and blocking the wire box (c) on the relative outer side of the frame.

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