CN219718173U - Photovoltaic alternating current collection flow box convenient to installation - Google Patents

Abstract

The utility model relates to the technical field of photovoltaic power generation equipment, in particular to a photovoltaic alternating current combiner box convenient to install, which comprises a cross rod fixedly connected to a photovoltaic bracket and an installation piece fixedly connected to the rear side surface of the photovoltaic combiner box, wherein the installation piece comprises a fixing cavity, a rotating rod is rotationally connected to the fixing cavity, threaded sections with opposite threaded directions are symmetrically arranged on the rotating rod, threaded sleeves are connected to the two threaded sections through threads, movable blocks are fixedly connected to the side walls of the two threaded sleeves, an inserting column on a clamping plate corresponds to a slot on the cross rod, the rotating handle drives the two clamping plates to be mutually close, the rotating handle is stopped after the inserting column is thoroughly inserted into the slot, the rotating handle is fixed through a positioning bolt, the rotating handle is prevented from being rotated due to mistakenly touching, at the moment, the installation of the photovoltaic combiner box is completed, the process is simple and convenient, required scattered parts are few, a part is almost an integral part which is not easy to lose, the installation is firm and reliable, the disassembly is convenient, and the photovoltaic combiner box is convenient to overhaul or replace.

Description

Photovoltaic alternating current collection flow box convenient to installation

Technical Field

The utility model relates to the technical field of photovoltaic power generation equipment, in particular to a photovoltaic alternating current combiner box convenient to install.

Background

For a large-scale photovoltaic grid-connected power generation system, in order to reduce connecting wires between a photovoltaic grid-connected inverter and a grid-connected cabinet, the reliability is improved by convenient maintenance, a junction box is generally required to be added between the photovoltaic grid-connected inverter and the grid-connected cabinet, and the junction box is generally installed on a mounting frame of a photovoltaic power generation assembly.

Through searching, the Chinese patent of utility model with the bulletin number of CN218162387U, namely a photovoltaic alternating current collecting box convenient to install, comprises a photovoltaic installation frame and a collecting box body, wherein the collecting box body is installed in the middle of the photovoltaic installation frame, a plugging groove is formed in the lower surface of the middle of the photovoltaic installation frame, a bearing rod is movably plugged in the inner wall of the plugging groove, and an installation part is arranged on the back of the collecting box body. This photovoltaic alternating current collection flow box convenient to installation, peg graft through bearing pole and jack-up between the groove and with the stable installation of bearing pole on photovoltaic installation frame, and hold up the below of collection flow box through the bearing pole, and through the joint between L shape's installation pole and the photovoltaic installation frame, make the installation pole inseparable laminating with the photovoltaic installation frame, and then increase the stability of collection flow box installation, make all the time keep zonulae occludens between fastening plate and the connecting rod through self gravity of collection flow box, ensure the steady installation and the normal use of collection flow box. However, the above patent requires a large number of scattered small parts during installation, and the scattered small parts are easily lost during installation or removal, which brings inconvenience to subsequent installation.

Disclosure of Invention

In order to solve the problems, the utility model provides a photovoltaic alternating current combiner box which is convenient to install.

The specific technical scheme is as follows: including fixed connection horizontal pole and fixed connection on photovoltaic collection flow box trailing flank, the installed part includes the fixed chamber, fixed intracavity rotation is connected with the bull stick, the symmetry is provided with the screw thread section that the screw thread direction is opposite on the bull stick, two all be provided with the swivel nut through threaded connection on the screw thread section, two the equal fixedly connected with movable block of lateral wall of swivel nut, the movable block runs through the rectangular hole of fixed chamber lateral wall and with splint fixed connection, two the lateral wall fixedly connected with inserted post that splint are close to each other, offer on the horizontal pole with inserted post matched with slot, the top fixedly connected with turning handle of bull stick, be provided with positioning mechanism on the turning handle.

Preferably, the side wall of the screw sleeve is fixedly connected with a sliding block, and the inner side wall of the fixing cavity is provided with a sliding groove matched with the sliding block for sliding.

Preferably, the positioning mechanism comprises a positioning bolt rotatably connected to the rotating handle, a plurality of positioning holes are formed in the top surface of the fixing cavity, and the positioning bolt is matched with the positioning holes to form a structure for fixing the rotating handle.

Preferably, the plurality of positioning holes are distributed in an annular matrix with the center of the top surface of the fixed cavity as the center of a circle.

Preferably, the side surface of the fixing cavity, which is far away from the photovoltaic combiner box, is fixedly connected with an extrusion block through an elastic piece, and the side wall of the cross rod is provided with an extrusion groove corresponding to the extrusion block.

Preferably, the elastic piece is a plurality of extrusion springs.

Preferably, the number of the inserting posts on the side face of the clamping plate is at least four, and the four inserting posts are uniformly distributed on the side face of the clamping plate.

Preferably, there are at least two mounting pieces on the rear side of the photovoltaic combiner box.

The utility model provides a photovoltaic alternating current combiner box convenient to install, which has the following beneficial effects compared with the prior art:

(1): according to the utility model, the inserting posts on the clamping plates correspond to the slots on the cross rod, the rotating handles are rotated to drive the two clamping plates to approach each other, when the inserting posts are thoroughly inserted into the slots, the rotating handles are stopped to rotate, and then the rotating handles are fixed through the positioning bolts, so that the rotating handles are prevented from being mistakenly touched to cause rotation, and at the moment, the installation of the photovoltaic junction box is completed, the process is simple and convenient, the required scattered parts are few, a part is hardly lost in the whole, the installation is firm and reliable, the disassembly is convenient, and the photovoltaic junction box is convenient to overhaul or replace;

(2): the photovoltaic junction box is provided with the extrusion block, the extrusion groove and the extrusion spring, after the photovoltaic junction box is arranged on the cross rod, the extrusion spring is in a compressed state, the reaction force of the extrusion spring acts on the extrusion block, the extrusion block is firmly abutted in the extrusion groove, and the installation firmness of the photovoltaic junction box is improved.

Drawings

Fig. 1: a side view of the photovoltaic junction box is arranged on a photovoltaic bracket.

Fig. 2: the front view of the photovoltaic combiner box is installed on the photovoltaic bracket.

Fig. 3: is a rear view of the photovoltaic combiner box in the utility model.

Fig. 4: is a side view of the photovoltaic combiner box mounted on a cross bar.

Fig. 5: an enlarged view of the portion a in fig. 4.

Fig. 6: is a structural diagram of the mounting piece in the utility model.

In the figure: the photovoltaic device comprises a 1-photovoltaic bracket, a 2-cross rod, a 3-mounting piece, a 4-fixed cavity, a 5-rotating rod, a 6-threaded sleeve, a 7-movable block, an 8-long strip hole, a 9-clamping plate, a 10-inserting column, an 11-inserting groove, a 12-rotating handle, a 13-sliding block, a 14-sliding groove, a 15-positioning bolt, a 16-positioning hole, a 17-photovoltaic busbar box, an 18-extrusion block, a 19-extrusion groove and a 20-extrusion spring.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which may be made by those skilled in the art without the inventive faculty, are intended to be within the scope of the present utility model, and in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance in the description of the present utility model, but rather as being construed broadly as the terms "mounted," "connected," "coupled," or "connected" unless expressly specified or limited otherwise, e.g., as either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.

Embodiment one: as shown in fig. 1 and 2, the photovoltaic alternating current combiner box convenient to install comprises a cross rod 2 fixedly connected to a photovoltaic bracket 1, the cross rod 2 can be directly welded to a supporting leg of the photovoltaic bracket 1, the cross rod 2 is horizontally arranged, and the cross rod 2 adopts a cuboid structure.

The photovoltaic junction box further comprises mounting pieces 3 fixedly connected to the rear side face of the photovoltaic junction box 17, the mounting pieces 3 can be fixedly connected to the rear side face of the photovoltaic junction box 17 through bolts, and can be directly welded to the rear side face of the photovoltaic junction box 17, and at least two mounting pieces 3 are arranged on the rear side face of the photovoltaic junction box 17, and in the embodiment, the number of the mounting pieces 3 is two.

As shown in fig. 3 to 6, the mounting member 3 includes a fixing cavity 4, a rotating rod 5 is rotatably connected to the fixing cavity 4, and the rotating rod 5 is rotatably connected to the fixing cavity 4 through a bearing. The screw rod 5 is symmetrically provided with thread sections with opposite thread directions, threaded sleeves 6 are connected to the two thread sections through threads, movable blocks 7 are fixedly connected to the side walls of the two threaded sleeves 6 in a welding mode, the movable blocks 7 penetrate through strip holes 8 in the side walls of the fixed cavities 4 and are fixedly connected with clamping plates 9 in a welding mode, sliding blocks 13 are fixedly connected to the side walls of the threaded sleeves 6 in a welding mode, and sliding grooves 14 matched with the sliding blocks 13 in a sliding mode are formed in the inner side walls of the fixed cavities 4.

The side wall welding fixedly connected with inserted column 10 that two splint 9 are close to each other, offered on the horizontal pole 2 with inserted column 10 matched with slot 11, slot 11 and inserted column 10 size looks adaptation, the inserted column 10 of splint 9 side is four at least, and four inserted columns 10 evenly distributed are in the side of splint 9.

The top welding fixedly connected with turning handle 12 of bull stick 5 is provided with positioning mechanism on the turning handle 12.

According to the utility model, the inserting posts 10 on the clamping plates 9 are corresponding to the slots 11 on the cross rod 2, the rotating handles 12 are rotated, the rotating handles 12 drive the rotating rods 5 to rotate, the rotating rods 5 drive the two threaded sleeves 6 to mutually approach, the threaded sleeves 6 drive the two clamping plates 9 to mutually approach, when the inserting posts 10 are thoroughly inserted into the slots 11, the rotating handles 12 are stopped rotating, then the positioning mechanism is used for fixing the rotating handles 12, the rotating handles 12 are prevented from being mistakenly touched to cause the rotating of the rotating handles, at the moment, the installation of the photovoltaic junction box 17 is completed, when the photovoltaic junction box 17 is disassembled, the locking of the positioning mechanism is released, the rotating handles 12 are reversely rotated, so that the inserting posts 10 are separated from the slots 11, the process is simple and convenient, the required scattered parts are few, a part is hardly lost, the installation is firm and reliable, the disassembly is convenient, and the photovoltaic junction box is convenient to overhaul or replace.

Embodiment two: on the basis of the above embodiment, the positioning mechanism further comprises a positioning bolt 15 rotatably connected to the rotating handle 12, the top surface of the fixed cavity 4 is provided with a plurality of positioning holes 16, the plurality of positioning holes 16 are distributed in an annular matrix with the center of the top surface of the fixed cavity 4 as the center of a circle, and the space left between the adjacent positioning holes 16 is small.

The positioning bolt 15 and the positioning hole 16 are matched to form a structure for fixing the rotating handle 12, when the inserting column 10 is thoroughly inserted into the inserting slot 11, the rotating handle 12 is stopped rotating, the rotating handle 12 is fixed through the cooperation of the positioning bolt 15 and any positioning hole 16, the rotating handle 12 is prevented from being rotated due to the fact that the rotating handle 12 is touched by mistake, and the installation stability of the photovoltaic combiner box 17 is ensured.

Embodiment III: on the basis of the embodiment, further, the side surface, far away from the photovoltaic confluence box 17, of the fixing cavity 4 is fixedly connected with the extrusion block 18 through an elastic piece, the elastic piece is a plurality of extrusion springs 20, and two ends of the extrusion springs 20 are respectively and fixedly connected with the fixing cavity 4 and the photovoltaic confluence box 17 in a welding mode.

The side wall of the cross rod 2 is provided with an extrusion groove 19 corresponding to the extrusion block 18, the vertical cross-sectional area of the extrusion groove 19 is slightly larger than that of the extrusion block 18, and when the inserting column 10 is inserted into the slot 11, the extrusion block 18 corresponds to the extrusion groove 19.

After the photovoltaic junction box 17 is installed on the cross rod 2, the extrusion spring 20 is in a compressed state, the reaction force of the extrusion spring 20 acts on the extrusion block 18 to firmly support the extrusion block 18 in the extrusion groove 19, and the installation firmness of the photovoltaic junction box 17 can be improved.

In summary, the photovoltaic junction box is simple and convenient in installation process, few in scattered parts are needed, a part is hardly lost in the whole required parts, the installation is firm and reliable, the disassembly is convenient, and the photovoltaic junction box is convenient to overhaul or replace.

While the present utility model has been particularly shown and described with reference to a preferred embodiment, a number of methods and instrumentalities embodying the present utility model, the foregoing is merely a preferred embodiment of the present utility model, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. The utility model provides a photovoltaic exchange collection flow box convenient to installation, includes horizontal pole (2) and fixed connection on photovoltaic support (1) at installation piece (3) of photovoltaic collection flow box (17) trailing flank, a serial communication port, installation piece (3) are including fixed chamber (4), fixed chamber (4) internal rotation is connected with bull stick (5), symmetry is provided with screw thread section opposite in screw thread direction on bull stick (5), two all through threaded connection has swivel nut (6) on the screw thread section, two equal fixedly connected with movable block (7) of lateral wall of swivel nut (6), movable block (7) run through rectangular hole (8) and with splint (9) fixed connection of fixed chamber (4) lateral wall, two lateral wall fixedly connected with inserted bar (10) that splint (9) are close to each other, offer on horizontal pole (2) with inserted bar (10) matched with slot (11), top fixedly connected with swivel handle (12) of bull stick (5), be provided with positioning mechanism on swivel handle (12).

2. The photovoltaic alternating current combiner box convenient to install according to claim 1, wherein a sliding block (13) is fixedly connected to the side wall of the screw sleeve (6), and a sliding groove (14) matched with the sliding block (13) for sliding is formed in the inner side wall of the fixed cavity (4).

3. The photovoltaic alternating current combiner box convenient to install according to claim 1, wherein the positioning mechanism comprises a positioning bolt (15) rotatably connected to the rotating handle (12), a plurality of positioning holes (16) are formed in the top surface of the fixing cavity (4), and the positioning bolt (15) is matched with the positioning holes (16) to form a structure for fixing the rotating handle (12).

4. A photovoltaic ac combiner box according to claim 3, characterized in that the positioning holes (16) are distributed in an annular matrix with the center of the top surface of the fixing cavity (4) as the center.

5. The photovoltaic alternating current combiner box convenient to install according to claim 1, wherein the side surface of the fixing cavity (4) away from the photovoltaic combiner box (17) is fixedly connected with an extrusion block (18) through an elastic piece, and an extrusion groove (19) corresponding to the extrusion block (18) is formed in the side wall of the cross rod (2).

6. The photovoltaic combiner box according to claim 5, wherein said elastic members are compression springs (20).

7. The photovoltaic alternating current combiner box convenient to install according to claim 1, wherein the number of the inserting posts (10) on the side face of the clamping plate (9) is at least four, and the four inserting posts (10) are uniformly distributed on the side face of the clamping plate (9).

8. The photovoltaic ac combiner box according to claim 1, characterized in that there are at least two mounting elements (3) on the rear side of the photovoltaic combiner box (17).