CN217769997U

CN217769997U - Solar cell module of PCB backboard

Info

Publication number: CN217769997U
Application number: CN202221148970.2U
Authority: CN
Inventors: 王丽华; 严勋; 阚宏俊
Original assignee: Yancheng Tianhe Guoneng Photovoltaic Technology Co ltd
Current assignee: Yancheng Tianhe Guoneng Photovoltaic Technology Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-11-08
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a solar module of PCB backplate relates to the solar cell field. This solar module of PCB backplate, including outer frame, four side inner walls of outer frame are provided with an inside casing, the lower extreme of inside casing is provided with the lower frame, the inboard in outer frame is installed on the upper portion of lower frame, the side of going up of lower frame just is located the four corners department and all is provided with the mounting groove along diagonal direction, the inside rotation of mounting groove is connected with the inner support rod, the inner support rod is the hemisphere towards the one end in outer frame bight, the bight of outer frame is provided with the ball groove. The utility model discloses in, through screwing up the screw for the screw tip promotes the rotation with the inner support pole, and then makes the hemisphere part of inner support pole change over to the ball groove in, can prevent lower frame and outer frame free separation like this, and then accomplishes overall structure's fixed, can prevent in addition that water from the flank of thread that the screw was reachd to the downside under seal gasket's effect.

Description

Solar cell module of PCB backboard

Technical Field

The utility model relates to a solar cell field especially relates to a solar module of PCB backplate.

Background

The solar cell is a photoelectric semiconductor sheet which directly generates electricity by using sunlight, is also called as a solar chip or a photovoltaic cell, and can output voltage instantly and generate current under the condition of a loop as long as the solar cell is illuminated under a certain illumination condition. Physically referred to as solar photovoltaic.

Need set up the reference column of connecting screw or set up the connecting hole on the lateral wall of outer frame in the inside of outer frame when the installation of solar photovoltaic board, the shape arch of reference column can influence the compactness of outer frame connection, and set up the connecting hole on the lateral wall of outer frame and then can influence the intensity of outer frame, consequently need improve prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a solar cell module with a PCB backboard.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the solar cell module of the PCB backboard comprises an outer frame, wherein an inner frame is arranged on the inner walls of four sides of the outer frame, a lower frame is arranged at the lower end of the inner frame, the upper part of the lower frame is installed on the inner side of the outer frame, installation grooves are formed in the upper side surface of the lower frame and positioned at the four corners along the diagonal direction, an inner support rod is rotatably connected into the installation grooves, one end of the inner support rod, which faces the corner part of the outer frame, is hemispherical, and a spherical groove is formed in the corner part of the outer frame;

the downside of lower frame just is located a week department and is provided with the side channel, four bights of side channel just lean on one side of lower frame middle part position to be provided with the holding tank, be provided with seal gasket in the holding tank, the screw has been passed to seal gasket's inside, the lower frame is provided with the connecting hole in the position of holding tank top, the screw is twisted in the connecting hole and the tip is located the mounting groove.

As a further description of the above technical solution:

the outer frame is a structure with the middle part of the upper side wall communicated and the lower part opened.

As a further description of the above technical solution:

the ball groove is located on the lower side of the inner frame and opposite to the mounting groove.

As a further description of the above technical solution:

the middle part of the lower frame is through.

As a further description of the above technical solution:

the inner side of the inner frame is provided with toughened glass, a first EVA adhesive film, a second EVA adhesive film and a PCB back plate which are arranged from top to bottom.

As a further description of the above technical solution:

and a solar cell panel is arranged on the upper side of the second EVA adhesive film and is welded with the PCB back plate.

As a further description of the above technical solution:

the downside fixedly connected with terminal box of PCB backplate, the terminal box is located the inboard that the lower frame link up the position.

As a further description of the above technical solution:

the downside of PCB backplate is located the lower frame, toughened glass is located the downside of outer frame upper side wall.

The utility model discloses following beneficial effect has:

the utility model discloses in, through screwing up the screw for the screw tip promotes the rotation with the inner support pole, and then makes the hemisphere part of inner support pole change over to the ball groove in, can prevent lower frame and outer frame free separation like this, and then accomplishes overall structure's fixed, can prevent in addition that water from the flank of thread that the screw was reachd to the downside under seal gasket's effect. The cost of the solar cell module of the PCB backboard is low, and the waterproof performance is good, so that the competitiveness of the solar cell module in the market is facilitated.

Drawings

Fig. 1 is a cross-sectional view of a solar cell module of a PCB backplane according to the present invention at opposite angles;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a bottom view of a solar cell module of a PCB backplane according to the present invention;

fig. 4 is a schematic structural diagram of a solar cell module of a PCB backplane according to the present invention;

fig. 5 is a front view of a solar cell module of a PCB backplane according to the present invention.

Illustration of the drawings:

1. an outer frame; 2. tempering the glass; 3. a solar panel; 4. a first EVA adhesive film; 5. a junction box; 6. an inner frame; 7. a side groove; 8. a lower frame; 9. a screw; 10. sealing gaskets; 11. an inner support rod; 12. mounting grooves; 13. and a second EVA adhesive film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments 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. 1-5, the present invention provides an embodiment: a solar cell module of a PCB (printed circuit board) backboard comprises an outer frame 1, wherein the outer frame 1 is of a structure with a through upper side wall middle part and an open lower part, inner frames 6 are arranged on four side inner walls of the outer frame 1, a lower frame 8 is arranged at the lower end of each inner frame 6, the upper part of each lower frame 8 is installed on the inner side of the outer frame 1, the middle part of each lower frame 8 is through, mounting grooves 12 are formed in the upper side surface of each lower frame 8 and located at four corners in the diagonal direction, inner support rods 11 are rotatably connected inside the mounting grooves 12, one ends, facing the corners of the outer frame 1, of the inner support rods 11 are hemispherical, ball grooves are formed in the corners of the outer frame 1 and used for being matched with the hemispherical parts of the inner support rods 11, and are located on the lower side of the inner frame 6 and opposite to the mounting grooves 12;

the downside of lower frame 8 just is located a week department and is provided with side groove 7, four bights of side groove 7 and lean on one side of lower frame 8 middle part position to be provided with the holding tank, be provided with seal gasket 10 in the holding tank, can prevent that water from reaching the helicoid department of screw 9 from the lower part of lower frame 8 through seal gasket 10, screw 9 has been passed to seal gasket 10's inside, after screwing up screw 9 to mounting groove 12, can promote the one end that inner support 11 kept away from the hemisphere portion upwards rotates, the part top of hemisphere portion is gone into the ball inslot like this, and then make lower frame 8 and outer frame 1 unable free separation, lower frame 8 is provided with the connecting hole in the position of holding tank top, screw 9 screws into in the connecting hole and the tip is located mounting groove 12.

The inside of inside casing 6 is provided with toughened glass 2, first EVA glued membrane 4, second EVA glued membrane 13 and the PCB backplate of arranging from top to bottom, and the downside of PCB backplate is located the lower frame 8, and toughened glass 2 is located the downside of outer frame 1 upper side wall.

The upside of second EVA glued membrane 13 is provided with solar cell panel 3, and solar cell panel 3 and PCB backplate welding, the downside fixedly connected with terminal box 5 of PCB backplate, and terminal box 5 is located the inboard that lower frame 8 link up the position.

Finally, it should be noted that: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a solar module of PCB backplate, includes outer frame (1), its characterized in that: the inner walls of four sides of the outer frame (1) are provided with inner frames (6), the lower end of each inner frame (6) is provided with a lower frame (8), the upper portion of each lower frame (8) is installed on the inner side of the outer frame (1), the upper side face of each lower frame (8) is located at the four corners and is provided with installation grooves (12) in the diagonal direction, inner support rods (11) are rotatably connected into the installation grooves (12), one ends, facing the corners of the outer frame (1), of the inner support rods (11) are hemispherical, and the corners of the outer frame (1) are provided with ball grooves;

the downside of lower frame (8) just is located a week department and is provided with side channel (7), four bights of side channel (7) and lean on one side of lower frame (8) middle part position are provided with the holding tank, be provided with seal gasket (10) in the holding tank, screw (9) have been passed to the inside of seal gasket (10), lower frame (8) are provided with the connecting hole in the position of holding tank top, screw (9) twist in the connecting hole and the tip is located mounting groove (12).

2. The solar cell module of a PCB backplane according to claim 1, wherein: the outer frame (1) is of a structure with the middle part of the upper side wall communicated and the lower part opened.

3. The solar cell module of a PCB backplane according to claim 1, wherein: the ball groove is positioned at the lower side of the inner frame (6) and is opposite to the position of the mounting groove (12).

4. The solar cell module of a PCB backplane according to claim 1, wherein: the middle part of the lower frame (8) is through.

5. The solar cell module of a PCB backplane according to claim 1, wherein: the inner side of the inner frame (6) is provided with toughened glass (2), a first EVA adhesive film (4), a second EVA adhesive film (13) and a PCB back plate which are arranged from top to bottom.

6. The solar cell module of a PCB backplane according to claim 5, wherein: the solar cell panel (3) is arranged on the upper side of the second EVA adhesive film (13), and the solar cell panel (3) is welded with the PCB back plate.

7. The solar cell module of a PCB backplane according to claim 6, wherein: the downside fixedly connected with terminal box (5) of PCB backplate, terminal box (5) are located the inboard that lower frame (8) link up the position.

8. The solar cell module of a PCB backplane according to claim 5, wherein: the downside of PCB backplate is located lower frame (8), toughened glass (2) are located the downside of outer frame (1) upper side wall.