CN220190825U - Photovoltaic module termination for photovoltaic power generation - Google Patents

Abstract

The utility model discloses a photovoltaic module wiring device for photovoltaic power generation, which comprises a mounting plate, wherein a junction box main body is arranged in the middle of the top of the mounting plate, a junction box top cover is arranged at the inner top of the junction box main body, and the junction box top cover is connected with the junction box main body through an assembly and disassembly assembly; radiating assemblies are symmetrically arranged on two sides of the inside of the junction box main body, and a plurality of cable limiting assemblies are symmetrically arranged on two ends of the outside of the junction box main body. According to the cable limiting assembly, the elastic clamping plates can be extruded through the extrusion blocks, and the cables can be fixed through the shrinkage of the elastic clamping plates, so that the cables are more stable and firm, the loosening of the cables outside the junction box main body is avoided, the cable limiting assemblies are arranged in multiple groups, and the cables can be effectively stored, so that the cables are distributed in a more orderly manner.

Description

Photovoltaic module termination for photovoltaic power generation

Technical Field

The utility model relates to the technical field of wiring of photovoltaic modules, in particular to a wiring device of a photovoltaic module for photovoltaic power generation.

Background

Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. The solar energy power generation system mainly comprises three parts of a solar panel (assembly), a controller and an inverter, wherein the main parts are composed of electronic components. The solar cells are packaged and protected after being connected in series to form a large-area solar cell module, and then the solar cell module is matched with components such as a power controller to form a photovoltaic power generation device, and electric wires are usually required to be connected in the photovoltaic power generation device, and a wiring device is required at the moment.

The wiring device is a connecting device between a solar cell matrix formed by the solar cell modules and the solar charging control device, and mainly used for connecting and protecting the solar photovoltaic modules, connecting the power generated by the solar cells with an external circuit and conducting the current generated by the photovoltaic modules.

For example, chinese patent CN217240660U discloses a photovoltaic module termination for photovoltaic power generation, including termination body, coupling assembling and radiator unit, coupling assembling includes the mounting panel, and the standing groove has been seted up at the top of mounting panel, and the interior table wall block of standing groove is connected with the connecting plate, and the recess has all been seted up to the interior table wall in the both sides of standing groove, and the interior table wall in one side of two recesses all is fixed with two springs, and this photovoltaic module termination can promote termination's heat dispersion through radiator unit. But this photovoltaic module termination can't fix the cable when practical application to after long-term use, easily produce the risk that the cable is not hard up, and when the cable is not hard up, need connect again cable and photovoltaic module body again, not only can consume a large amount of manpower and materials, and can produce the risk that the cable drops.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides a photovoltaic module wiring device for photovoltaic power generation, which aims to overcome the technical problems existing in the prior related art.

For this purpose, the utility model adopts the following specific technical scheme:

the utility model provides a photovoltaic module termination for photovoltaic power generation, includes the mounting panel, is provided with the terminal box main part in the middle of the mounting panel top, and the interior top of terminal box main part is provided with the terminal box top cap, and terminal box top cap and terminal box main part pass through the installation and dismantle the subassembly and connect; radiating assemblies are symmetrically arranged on two sides of the inside of the junction box main body, and a plurality of cable limiting assemblies are symmetrically arranged on two ends of the outside of the junction box main body.

Further, in order to fix the mounting plate on the wall under the cooperation of mounting hole and bolt, and then can guarantee the stability at photovoltaic module wiring in-process, evenly be provided with a plurality of mounting holes around the mounting plate, the inside of mounting hole is provided with the bolt.

Further, in order to be convenient for dismantle the terminal box top cap, and then when the inside emergence of terminal box main part damages, can open the terminal box top cap fast, be convenient for to the inside maintenance of terminal box main part, the installation is dismantled the subassembly and is set up a plurality of damping pivots in terminal box main part top both sides including the symmetry, the circumference outside cover of damping pivot be equipped with terminal box top cap matched with mounting plate.

Further, in order to be able to dispel the heat to the inside of terminal box main part to improve the heat dispersion of terminal box main part, and can effectively prevent the dust entering the inside of terminal box main part through setting up the dust screen, the radiating component is including setting up the heat dissipation frame in the inside both sides of terminal box main part, and one side symmetry of heat dissipation frame is provided with the heat dissipation fan, and one side that the heat dissipation fan was kept away from to the heat dissipation frame is provided with the dust screen.

Further, in order to enable the cable to enter the inside of the junction box main body through the wiring grooves, a plurality of wiring grooves matched with the cable limiting assemblies are symmetrically formed in two sides of the outside of the junction box main body.

Further, in order to extrude the elastic clamping plate through the extrusion block, and realize the fixation of cable through the shrink of elastic clamping plate, can make the cable more stable firm, avoid the not hard up of wiring position department, and the spacing subassembly of cable is the multiunit setting, and then can effectually accomodate the cable, and then can make the distribution of cable more orderly, the spacing subassembly of cable is including a plurality of fixing bases of symmetry setting in terminal box main part both sides, the installation cavity has been seted up to the inside of fixing base, the inside one side of installation cavity is provided with the base, one side that the base kept away from the fixing base is provided with a plurality of elastic clamping plates, one side that the elastic clamping plate kept away from the base is provided with the extrusion piece that cooperatees with it, one side that the extrusion piece kept away from the elastic clamping plate is provided with and revolves the piece; the centre of a circle position of fixing base, base and screw the piece all has seted up and has been connected wire groove matched with wiring hole, and screw the piece circumference outside and be provided with the external screw thread, the interior top of fixing base has seted up with external screw thread matched with thread groove.

The beneficial effects of the utility model are as follows:

1. according to the cable limiting assembly, the elastic clamping plates can be extruded through the extrusion blocks, and the cables can be fixed through the shrinkage of the elastic clamping plates, so that the cables are more stable and firm, the loosening of the cables outside the junction box main body is avoided, the cable limiting assemblies are arranged in multiple groups, and the cables can be effectively stored, so that the cables are distributed in a more orderly manner.

2. According to the utility model, the mounting plate can be fixed on the wall surface through the bolts, so that the stability of the photovoltaic module in the wiring process can be ensured, the junction box main body and the junction box top cover are connected through the mounting and dismounting assembly, the junction box top cover is convenient to dismount, and when the inside of the junction box main body is damaged, the junction box top cover can be quickly opened, so that the inside of the junction box main body is convenient to overhaul.

3. According to the utility model, the heat dissipation assembly is arranged, so that heat dissipation can be carried out on the inside of the junction box main body, and the heat dissipation performance of the junction box main body is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a photovoltaic module wiring device for photovoltaic power generation according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a photovoltaic module wiring device for photovoltaic power generation according to an embodiment of the present utility model;

fig. 3 is another angular cross-sectional view of a photovoltaic module wiring apparatus for photovoltaic power generation according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a perspective assembly view of a cable stopper assembly in a photovoltaic module wiring device for photovoltaic power generation according to an embodiment of the present utility model.

In the figure:

1. a mounting plate; 2. a junction box main body; 3. a junction box top cover; 4. installing and dismantling the assembly; 401. damping the rotating shaft; 402. a mounting piece; 5. a heat dissipation assembly; 501. a heat dissipation frame; 502. a heat dissipation fan; 503. a dust screen; 6. a cable stop assembly; 601. a fixing seat; 602. a mounting cavity; 603. a base; 604. an elastic clamping plate; 605. extruding a block; 606. screwing the block; 607. a wiring hole; 608. an external thread; 609. a thread groove; 7. a mounting hole; 8. a bolt; 9. and a wiring groove.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, a photovoltaic module wiring device for photovoltaic power generation is provided.

The utility model is further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-5, a photovoltaic module wiring device for photovoltaic power generation according to an embodiment of the utility model comprises a mounting plate 1, a junction box main body 2 is arranged in the middle of the top of the mounting plate 1, a junction box top cover 3 is arranged at the inner top of the junction box main body 2, and the junction box top cover 3 is connected with the junction box main body 2 through an installation and detachment assembly 4; the inside bilateral symmetry of terminal box main part 2 is provided with radiator unit 5, and the outside both ends symmetry of terminal box main part 2 is provided with a plurality of cable spacing subassemblies 6.

By means of the scheme, the cable limiting assembly 6 is arranged, so that the cables can be more stable and firm, loosening at the wiring position is avoided, the cable limiting assemblies 6 are arranged in a plurality of groups, the cables can be effectively stored, and the cables can be distributed more orderly; the utility model can radiate heat inside the junction box main body 2 by arranging the heat radiating component 5 so as to improve the heat radiating performance of the junction box main body 2.

In one embodiment, for the above-mentioned mounting plate 1, a plurality of mounting holes 7 are uniformly provided around the mounting plate 1, and bolts 8 are provided in the mounting holes 7, so that the mounting plate 1 can be fixed on a wall surface under the cooperation of the mounting holes 7 and the bolts 8, and further, the stability in the wiring process of the photovoltaic module can be ensured.

In one embodiment, for the above-mentioned installation and disassembly assembly 4, the installation and disassembly assembly 4 comprises a plurality of damping rotating shafts 401 symmetrically arranged on two sides of the top of the junction box main body 2, and the circumference outer side of the damping rotating shafts 401 is sleeved with a mounting plate 402 matched with the junction box top cover 3, so that the junction box top cover 3 can be disassembled conveniently, and when the junction box main body 2 is damaged, the junction box top cover 3 can be opened quickly, and the maintenance of the junction box main body 2 is facilitated.

In one embodiment, for the above heat dissipation assembly 5, the heat dissipation assembly 5 includes heat dissipation frames 501 disposed on two sides of the inside of the junction box body 2, the heat dissipation fans 502 are symmetrically disposed on one side of the heat dissipation frames 501, and the dust screen 503 is disposed on one side of the heat dissipation frames 501 away from the heat dissipation fans 502, so that heat dissipation can be performed on the inside of the junction box body 2, heat dissipation performance of the junction box body 2 is improved, and dust can be effectively prevented from entering the inside of the junction box body 2 by disposing the dust screen 503.

In one embodiment, for the above-mentioned junction box main body 2, a plurality of junction grooves 9 matched with the cable limiting components 6 are symmetrically formed on two sides of the exterior of the junction box main body 2, so that a cable can enter the interior of the junction box main body 2 through the junction grooves 9.

In one embodiment, for the cable limiting assembly 6, the cable limiting assembly 6 includes a plurality of fixing seats 601 symmetrically disposed on two sides of the junction box main body 2, a mounting cavity 602 is formed in the fixing seat 601, a base 603 is disposed on one side of the interior of the mounting cavity 602, a plurality of elastic clamping plates 604 are disposed on one side of the base 603 away from the fixing seat 601, an extrusion block 605 matched with the elastic clamping plates 604 is disposed on one side of the elastic clamping plates 604 away from the base 603, and a screwing block 606 is disposed on one side of the extrusion block 605 away from the elastic clamping plates 604; the centre of a circle position of fixing base 601, base 603 and screw piece 606 all has seted up with wiring groove 9 matched with wiring hole 607, screw piece 606 circumference outside is provided with external screw thread 608, the interior top of fixing base 601 has seted up with external screw thread 608 matched with screw groove 609, thereby can extrude elastic clamping plate 604 through extrusion piece 605, and realize the fixed to the cable through the shrink of elastic clamping plate 604, can make the cable more stable firm, avoided being located the not hard up of terminal box main part 2 outside cable, and cable limiting component 6 is the multiunit setting, and then can effectually accomodate the cable, and then can make the distribution of cable more orderly. In addition, after the cable is infiltrated into the inside of the junction box body 2 through the wire connection groove 9, the cable joint is fixed by a fixing component inside the junction box body 2, which is a prior art and will not be described herein.

The specific working principle of the cable limiting assembly 6 is as follows: the cable passes through the wiring hole 607, under the cooperation of external screw thread 608 and screw groove 609, can drive extrusion piece 605 downward movement through screwing up the piece 606, because elastic clamping plate 604 is the elasticity material, can drive a plurality of elastic clamping plates 604 inward movements when making extrusion piece 605 downward movement, realize fixing to the cable, if drive extrusion piece 605 upward movement through screwing up the piece 606, thereby make extrusion piece 605 break away from a plurality of elastic clamping plates 604, elastic clamping plate 604 can outwards open under self elasticity, and then can realize the not hard up of cable.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

During practical application, the junction box main body 2 is fixed on a wall surface or other wiring positions through the bolts 8 from the plurality of mounting holes 7, the position of the mounting plate 402 can be adjusted under the action of the damping rotating shaft 401, so that the junction box top cover 3 can be opened, then the insulating covers of the two side cables positioned on the junction box main body 2 are peeled off, the cables penetrate through the wiring holes 607 and the wiring grooves 9 and penetrate into the junction box main body 2, the cable outside can be fixed under the action of the cable limiting assembly 6 (the working principle of the cable limiting assembly 6 is as shown above), the position of the cable is effectively limited, and after the wiring of the photovoltaic assembly is finished, the inside of the junction box main body 2 can be effectively cooled through the cooling assembly 5.

In addition, in practical application, the photovoltaic module wiring device provided by the utility model can limit and fix the cable through the cable limiting assembly 6, so that disconnection of the cable and the photovoltaic module body can be avoided.

In summary, by means of the above technical solution of the present utility model, by arranging the cable limiting component 6, the elastic clamping plate 604 can be extruded by the extrusion block 605, and the cable is fixed by the contraction of the elastic clamping plate 604, so that the cable is more stable and firm, the loosening of the cable located outside the junction box main body 2 is avoided, and the cable limiting component 6 is arranged in multiple groups, so that the cable can be effectively stored, and the cable is distributed more orderly; according to the utility model, the mounting plate 1 can be fixed on the wall surface through the bolts 8, so that the stability of the photovoltaic module in the wiring process can be ensured, the junction box main body 2 and the junction box top cover 3 are connected through the mounting and dismounting assembly 4, so that the junction box top cover 3 is convenient to dismount, and when the inside of the junction box main body 2 is damaged, the junction box top cover 3 can be quickly opened, and the inside of the junction box main body 2 is convenient to overhaul; the utility model can radiate heat inside the junction box main body 2 by arranging the heat radiating component 5 so as to improve the heat radiating performance of the junction box main body 2.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (4)

1. The utility model provides a photovoltaic module termination for photovoltaic power generation, includes mounting panel (1), its characterized in that, be provided with terminal box main part (2) in the middle of mounting panel (1) top, the interior top of terminal box main part (2) is provided with terminal box top cap (3), just terminal box top cap (3) with terminal box main part (2) are connected through installation dismantlement subassembly (4);

radiating assemblies (5) are symmetrically arranged on two sides of the inside of the junction box main body (2), and a plurality of cable limiting assemblies (6) are symmetrically arranged on two ends of the outside of the junction box main body (2);

a plurality of wiring grooves (9) matched with the cable limiting assemblies (6) are symmetrically formed in two sides of the outer part of the junction box main body (2);

the cable limiting assembly (6) comprises a plurality of fixing seats (601) symmetrically arranged on two sides of the junction box main body (2), an installation cavity (602) is formed in the fixing seats (601), a base (603) is arranged on one side of the inside of the installation cavity (602), a plurality of elastic clamping plates (604) are arranged on one side, away from the fixing seats (601), of the base (603), an extrusion block (605) matched with the elastic clamping plates is arranged on one side, away from the base (603), of the elastic clamping plates (604), and a screwing block (606) is arranged on one side, away from the elastic clamping plates (604), of the extrusion block (605);

the circle center positions of the fixing seat (601), the base (603) and the screwing block (606) are respectively provided with a wiring hole (607) matched with the wiring groove (9);

external threads (608) are arranged on the outer side of the circumference of the screwing block (606), and a thread groove (609) matched with the external threads (608) is formed in the inner top of the fixing seat (601).

2. The photovoltaic module wiring device for photovoltaic power generation according to claim 1, wherein a plurality of mounting holes (7) are uniformly formed around the mounting plate (1), and bolts (8) are arranged in the mounting holes (7).

3. The photovoltaic module wiring device for photovoltaic power generation according to claim 1, wherein the mounting and dismounting assembly (4) comprises a plurality of damping rotating shafts (401) symmetrically arranged on two sides of the top of the junction box main body (2), and mounting sheets (402) matched with the junction box top cover (3) are sleeved on the outer sides of the circumferences of the damping rotating shafts (401).

4. The photovoltaic module wiring device for photovoltaic power generation according to claim 1, wherein the heat dissipation module (5) comprises heat dissipation frames (501) arranged on two sides inside the junction box main body (2), heat dissipation fans (502) are symmetrically arranged on one sides of the heat dissipation frames (501), and dust screens (503) are arranged on one sides, far away from the heat dissipation fans (502), of the heat dissipation frames (501).