CN219535323U

CN219535323U - Quick installation type electric cabinet of photovoltaic system

Info

Publication number: CN219535323U
Application number: CN202320344770.2U
Authority: CN
Inventors: 徐双正; 王涛; 王中胜
Original assignee: Suzhou Heidun New Energy Co ltd
Current assignee: Suzhou Heidun New Energy Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-15
Anticipated expiration: 2033-02-28

Abstract

The utility model belongs to the technical field of electric cabinets, and particularly relates to a rapid installation type electric cabinet of a photovoltaic system. The box body is internally provided with a cavity for accommodating the circuit board; more than two groups of universal screws are respectively rotatably arranged at two sides of the box body; the two or more briquetting plates are respectively connected with one group of universal screw rods; mounting holes of ┥ are formed at two ends of the pressing block plate, and the upper ends of the universal screws extend into the mounting holes from bottom to top; a pressing block plate is matched with the two universal screws to form a pi-shaped hanging assembly; the suspension assembly and the box body are matched to form a girder area for the girder to pass through; and the fastening piece is screwed in from the side part of the mounting hole and locks the universal screw and the pressing block plate. The utility model aims to provide an electric cabinet which is simple in structure, convenient to assemble and disassemble and better in stability.

Description

Quick installation type electric cabinet of photovoltaic system

Technical Field

The utility model belongs to the technical field of photovoltaic systems, and particularly relates to a quick-installation type electric cabinet of a photovoltaic system.

Background

With the daily and monthly variation of social development, the development and utilization of energy are rapidly accelerated, and under the background of the times of exhaustion of fossil energy and increasing environmental pollution, the occupation ratio of clean renewable new energy represented by solar photovoltaic power generation in the energy structure of China is increasingly increased. In recent years, with the implementation and promotion of photovoltaic flat-price internet policy, a solar photovoltaic tracking system can obtain lower flat-standardized power cost (LCOE), and the solar photovoltaic tracking system has gradually become the best choice of a plurality of newly built large-capacity solar photovoltaic power stations. In a solar photovoltaic tracking system, an electric cabinet is used as a core component of the tracking system, and the indexes of running stability and installation convenience under the condition of multifunctional output are particularly important.

The current electric cabinet is generally installed on the girder installation, and it is embraced the controller on the girder through U type stainless steel or galvanized screw, mainly constitutes: u-shaped bolt and control box. The installation process is that the installation hole of the control box is attached to the lower end face of the main beam, two sets of U-shaped bolts penetrate into two sides of the control box respectively to install pins, and finally four pins of the control box are locked by four nuts in sequence. A significant disadvantage of this form of installation is that it requires multiple personnel to complete the installation. After placing the U-shaped bolt, because the upper end of the bolt is not hard, the bolt is not well aligned in hole alignment, a certain time is required, in addition, another installer is required to always support the control box, the labor is wasted, the fatigue is easy, and the situation that the control box slides down and the legs and feet are injured due to the reasons of the volume, the weight, the shape and the like of the control box also happens.

In addition, the most tedious manual tightening of round with the spanner is needed to bolt locking installation, and very time consuming is because the locking mode is from bottom to top, and the in-process staple bolt of tightening easily slides to be difficult for the operation leads to the installation effectiveness low.

Disclosure of Invention

The utility model aims to provide a rapid installation type electric cabinet of a photovoltaic system, which has the advantages of simple structure, convenience in assembly and disassembly and better stability.

The purpose of the utility model is realized in the following way:

a quick-install electric cabinet for a photovoltaic system, comprising:

the box body is internally provided with a cavity for accommodating the circuit board; the top of the box body is provided with a sealing plate, the bottom of the box body is provided with an inlet, and the inlet is covered with a sealing cover;

more than two groups of universal screws are respectively rotatably arranged at two sides of the box body; the top of the universal screw rod extends upwards;

the two or more briquetting plates are respectively connected with one group of universal screw rods; mounting holes of ┥ are formed at two ends of the pressing block plate, and the upper ends of the universal screws extend into the mounting holes from bottom to top; a pressing block plate is matched with the two universal screws to form a pi-shaped hanging assembly; the suspension assembly and the box body are matched to form a girder area for the girder to pass through;

and the fastening piece is screwed in from the side part of the mounting hole and locks the universal screw and the pressing block plate.

Preferably, the fastener is a butterfly bolt; the fasteners are screwed into the mounting holes at two ends of the pressing block plate from the horizontal direction.

Preferably, the universal screw comprises a hinge part and a vertical rod part; the hinge part is rotatably arranged on the box body, and one end of the hinge part extends out of the box body and is provided with a convex strip part; the lower end of the vertical rod part is provided with a groove; the raised strips are embedded into the grooves, and the raised strips and the grooves are hinged into a whole and can rotate; the upper end of the vertical rod part is connected with the pressing block plate.

Preferably, a plurality of threading holes are formed in two side walls of the box body in the length direction.

Preferably, the outer side surface of the sealing plate is provided with staggered convex ribs, and a rubber pad is arranged between the staggered convex ribs.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

1. compared with the existing electric control box, the electric control box has smaller size and more abundant functions.

2. According to the utility model, the number of mounting accessories of the electric cabinet is reduced, such as the U-shaped anchor ear, the screw nut and the like, so that the number of mounting steps and human hands is reduced, two persons are required before, only one person is required at present, time and labor are saved, the mounting convenience is improved, and the labor cost is saved.

3. According to the utility model, the electric cabinet only needs to rotate four bowknots on the side surface, and after the bowknots are screwed, the screw glue is added, so that the problems that four screw nuts need to be locked and the angle of a spanner knob is insufficient during fastening are solved, the stability and the safety of products are improved, and the installation efficiency of the electric cabinet is also improved.

Drawings

Fig. 1 is a schematic installation view of the present utility model.

Fig. 2 is an enlarged view at a of fig. 1.

Fig. 3 is one of the exploded views of the present utility model.

Fig. 4 is a second exploded view of the present utility model.

Fig. 5 is an enlarged view at B of fig. 3.

Reference numerals: 1. a case; 11. a sealing plate; 12. an inlet is arranged; 13. a cover; 14. a threading hole; 15. convex ribs;

2. a universal screw; 21. a hinge part; 22. a convex strip; 23. a vertical rod part; 24. a groove;

3. a pressing plate; 31. a mounting hole; 32. a through hole; 33. a threaded hole;

4. a fastener; 5. and a main beam.

Detailed Description

The utility model is further described in the following embodiments with reference to the figures, see fig. 1-5:

a quick installation type electric cabinet of a photovoltaic system comprises

The case 1 is provided with a chamber for accommodating a wiring board therein. The top of the case 1 is provided with a sealing plate 11, and the bottom of the case 1 is provided with an inlet 12, and a circuit board can be implanted into the inside of the case 1 from the inlet 12. A cover 13 can be provided at the insertion opening 12 to close the case 1.

In the actual installation process, the box 1 is often required to be installed on the main beam 5 of the photovoltaic panel bracket, and since the upper end of the photovoltaic panel bracket is used for setting the photovoltaic panel, when the box 1 is fixed on the main beam 5, one end where the sealing plate 11 is located needs to be attached to the main beam 5, so that the box 1 of the electric cabinet is usually set on the main beam 5 in an inverted state. Thus, the placing port 12 of the box body 1 is not blocked by the main beam 5, thereby facilitating the overhaul and maintenance in the future.

More than two sets of universal screws 2, in this embodiment, two sets of universal screws 2 are provided in total. Each group of universal screw rods 2 are respectively rotatably arranged at two sides of the box body 1, and the top parts of the universal screw rods 2 extend upwards. Since the case 1 is inverted when mounted to the main beam 5, the universal screw 2 needs to be turned to the end of the case 1 where the sealing plate 11 is located. In the process of transportation or storage, one end of the sealing plate 11 needs to be placed on the ground to make the box 1 obtain better stability, and if the universal screw 2 still points to one side of the sealing plate 11, a large amount of boxes 1 are inconvenient to place. The rotatable setting of universal screw rod 2 can adjust according to the reality demand in the both sides of box 1 to be convenient for store, place and install.

As an alternative embodiment, the universal screw 2 may be mounted by means of a hinge, etc., to achieve the desired effect.

The briquetting board 3 more than two, the stiff end setting of universal screw rod 2 is in the both sides of box 1, and briquetting board 3 can dismantle the tail end that sets up at universal screw rod 2, can fix box 1 on crossbeam 5 through the cooperation of briquetting board 3 and universal screw rod 2.

In this embodiment, two press plates 3 are provided in total, and each press plate 3 is connected to a set of universal screws 2, respectively. Both ends of the briquetting plate 3 are provided with '┥' type mounting holes 31, and the mounting holes 31 are composed of through holes 32 and threaded holes 33. The through hole 32 is provided to receive and pass through the universal screw 2 so as to fix the case 1.

The through hole 32 penetrates the pressure plate 3, the screw hole 33 is provided at one side of the through hole 32, and the screw hole 33 is vertically opened to the through hole 32, so that the inside of the mounting hole 31 is molded into a ┥ type.

The upper end of the universal screw rod 2 can extend into the through hole 32 from bottom to top, and after the universal screw rod 2 is fixed in the through hole 32, a pressing block plate 3 and the two universal screw rods 2 are matched to form a pi-shaped hanging assembly. The suspension assembly and the box body 1 are matched to form a girder area for the girder 5 to pass through, so that the box body 1 can be fixed on the girder 5 of the photovoltaic panel bracket.

And a fastener 4 for fixing the universal screw 2 to the briquetting plate 3. The fastener 4 is screwed in from the side direction of the mounting hole 31, i.e., from the screw hole 33. When the universal screw 2 is positioned in the through hole 32, the universal screw 2 and the pressing block plate 3 can be locked by the fastener 4.

Whereas in the present embodiment the fastener 4 is a kind of thumb bolt, the threaded hole 32 is matched to the thumb bolt. After the universal screw 2 passes through the through hole 32, the fastener is screwed into the threaded hole 33, and the box 1 can be fixed when the fastener 4 is screwed due to the fact that the threaded hole 33 is vertically led into the through hole 32. When the box is disassembled, the box body 1 and the pressing plate block 3 can be separated only by unscrewing the fastening piece 4 and then taking out the universal screw 2.

Before the box body 1 of the electric cabinet is installed, whether the pin fixing of the four universal screw rods 2 on the box body 1 is completed or not needs to be confirmed, after the pin fixing of the universal screw rods 2 is completed, the pin of the four universal screw rods 2 is pulled out to be in a vertical state, the main beam 5 is installed, and then the pressing block plates 3 are installed on the pin of the two universal screw rods 2 on the same side. It should be noted that before installing the press plate 3, it should be confirmed whether the fasteners 4 at two ends of the press plate 3 are installed in place, and then two pins pass through the through holes 32 of the press plate 3, and the fasteners 4 at two ends are screwed in sequence, so that the installation of the press plate 3 at one side is completed. Similarly, another briquetting plate 3 is mounted on the pins of the two universal screws 2 on the other side, and the mounting step is the same as the previous mounting step, namely, whether the fastener 4 is mounted in place is checked firstly, then the fastener 4 penetrates by the contrast through holes 32, and then the fasteners 4 at the two ends are screwed in sequence to fix the customized briquetting plate 3.

And when installing box 1's process, with the cover of pressure plate piece 3 on universal screw rod 2, can support pressure plate piece 3 with the help of girder 5, universal screw rod 2 can play the effect that restriction pressure plate piece 3 takes place the displacement simultaneously. At this time, an operator can drag the case 1 with one hand, and the other hand can vacate the installation of the fastener 4 or hold the required tool, reducing the number of people required during installation, thereby saving labor cost, simultaneously, the installation process is more convenient, and the installation speed is improved.

As shown in fig. 1 to 5, the universal screw 2 includes a hinge portion 21 and a vertical rod portion 23, and the vertical rod portion 23 is the pin described above. The hinge part 21 is rotatably installed on the case 1, one end of the hinge part 21 protrudes out of the case 1 and is provided with a convex strip part 22, and the lower end of the vertical rod part 23 is provided with a groove 24. The shape of the raised strip 22 is matched with that of the groove 24, so that the raised strip 22 can be embedded in the groove 24, and the raised strip 22 and the groove 24 are hinged into a whole and can rotate. The upper end of the vertical rod part 23 is used for being connected with the pressing block plate 3.

As shown in fig. 1 to 5, a plurality of threading holes 14 are provided in both side walls of the case 1 in the longitudinal direction. After the case 1 is fixed to the main beam 5, a circuit board may be placed inside the case 1 through the placement port 12 by opening the cover plate 13, and the threading hole 14 is used to pass through the cable.

As shown in fig. 1 to 5, as a preferred embodiment, the outer side surface of the sealing plate 11 is provided with staggered ribs 15, and a rubber pad may be further provided between the staggered ribs 15. When the sealing plate 11 is abutted against the main beam 5, the rubber pad can increase the friction between the sealing plate 11 and the main beam 5, and plays roles of placing displacement and damping. Meanwhile, the rubber pad can prevent the sealing plate 11 from directly abutting against the main beam 5, so that the sealing plate 11 is prevented from directly extruding the main beam 5, and the main beam 5 or the sealing plate 11 is placed to deform or be damaged.

Due to the outdoor installation of the controller, it is necessary to add a proper amount of screw thread adhesive at the screw hole gap in consideration of the long-term use characteristics under the outdoor complex characteristics. The screw thread adhesive is anaerobic adhesive for short, which is a single-component sealing adhesive prepared by utilizing the oxygen-free radical polymerization inhibition principle, and can be used for bonding and sealing. When the gluing surface is isolated from air and is catalyzed, the glue can be polymerized and solidified at room temperature quickly, so that the stability of the electric cabinet is improved, and the service life of the electric cabinet is prolonged.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A swift installation formula electric cabinet of photovoltaic system, its characterized in that: comprising

A case (1) having a chamber for accommodating a wiring board therein; the top of the box body (1) is provided with a sealing plate (11), the bottom of the box body (1) is provided with an inlet (12), and the inlet (12) is covered with a sealing cover (13);

more than two groups of universal screws (2) are respectively rotatably arranged at two sides of the box body (1); the top of the universal screw (2) extends upwards;

more than two pressing plates (3) which are respectively connected with a group of universal screw rods (2); mounting holes (31) of ┥ are formed at two ends of the pressing plate (3), and the upper ends of the universal screws (2) extend into the mounting holes (31) from bottom to top; a pressing block plate (3) and two universal screws (2) are matched to form a pi-shaped hanging assembly; the suspension component and the box body (1) are matched to form a girder area for a girder (5) to pass through;

and the fastening piece (4) is screwed in from the side part of the mounting hole (31) and locks the universal screw (2) and the pressing block plate (3).

2. The quick-install electrical cabinet for a photovoltaic system of claim 1, wherein: the fastener (4) is a butterfly bolt; the fastening piece (4) is screwed into the mounting holes (31) at two ends of the pressing block plate (3) from the horizontal direction.

3. The quick-install electrical cabinet for a photovoltaic system of claim 1, wherein: the universal screw (2) comprises a hinge part (21) and a vertical rod part (23); the hinge part (21) is rotatably arranged on the box body (1), and one end of the hinge part (21) extends out of the box body (1) and is provided with a raised strip part (22); the lower end of the vertical rod part (23) is provided with a groove (24); the raised strips (22) are embedded into the grooves (24), and the raised strips (22) and the grooves (24) are hinged into a whole and can rotate; the upper end of the vertical rod part (23) is connected with the briquetting plate (3).

4. The quick-install electrical cabinet for a photovoltaic system of claim 1, wherein: two side walls of the box body (1) in the length direction are provided with a plurality of threading holes (14).

5. The quick-install electrical cabinet for a photovoltaic system of claim 1, wherein: the outer side face of the sealing plate (11) is provided with staggered ribs (15), and rubber pads are arranged between the staggered ribs (15).