CN218489866U

CN218489866U - Showy photovoltaic project group string formula dc-to-ac converter mounting structure on water

Info

Publication number: CN218489866U
Application number: CN202222672796.8U
Authority: CN
Inventors: 陈昌海; 汤志辉; 金玲
Original assignee: Sharepower Co ltd
Current assignee: Sharepower Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-17
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a string type inverter mounting structure for a water floating photovoltaic project group, which comprises a floating body platform, a mounting bracket and an inverter, wherein the mounting bracket comprises two bottom beams, two stand columns, at least one cross beam, at least one inclined strut and an inverter hanging plate; the inverter is fixed on the inverter hanging plate. The utility model is used for showy photovoltaic project group string formula dc-to-ac converter mounting structure on water, body platform and installing support can provide sufficient bearing capacity and stability for the group string formula dc-to-ac converter, can arrange group string formula dc-to-ac converter near photovoltaic module on water region, reduce photovoltaic project cable consumption and electric energy loss on water, have higher economic benefits and using value.

Description

Showy photovoltaic project group string formula dc-to-ac converter mounting structure on water

Technical Field

The utility model relates to an inverter installation field, more specifically say, relate to a showy photovoltaic project group string formula dc-to-ac converter mounting structure on water.

Background

The construction work of photovoltaic projects is steadily promoted in various social circles, photovoltaic power generation is combined with building roofs, deserts, mountains and the like, and rich practical achievements and social benefits are obtained. However, some areas can develop land resources which are scarce and rich, and water photovoltaic projects can be built on the water surfaces of lakes, reservoirs, coal mining subsidence areas and other places, so that the method has certain operation feasibility, and the advantages of the method comprise the following points:

1. the coastal region has rich water resources and vigorous power load demand, and the on-water photovoltaic grid-connected electric quantity can be consumed nearby;

2. the photovoltaic project is combined with water areas such as reservoirs, coal mining subsidence area water surfaces and the like without occupying valuable land resources such as forest lands, cultivated lands, common agricultural lands and the like, so that the economic added value of water area sites can be improved;

3. the surrounding temperature of the water area is relatively stable, the overheating phenomenon of the photovoltaic module in summer can be avoided, and the power generation capacity of the photovoltaic module on water is correspondingly improved;

4. photovoltaic on water can inhibit the growth of algae, reduce water evaporation and facilitate the treatment of ecological environment in water areas.

To the group string formula dc-to-ac converter of traditional photovoltaic project, installation methods such as subassembly support, cylinder staple bolt are more adopted. In the water floating type photovoltaic power station, various materials, technologies and processes are still in an exploration and trial application stage, if the string type inverter is arranged on the bank side of a water area, the consumption amount and the electric energy loss of the direct current cable are greatly increased, the engineering cost and the operation and maintenance cost of the water floating type photovoltaic power station are improved, and the sustainable development of a water floating photovoltaic project is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a showy photovoltaic project group string-type dc-to-ac converter mounting structure on water who saves the direct current cable consumption is provided.

For solving the technical problem, the utility model discloses the technical scheme who adopts does:

a water floating photovoltaic project group string type inverter mounting structure is characterized by comprising a floating body platform, a mounting bracket and an inverter; the mounting bracket comprises two bottom beams, two upright posts, at least one cross beam, at least one inclined strut and an inverter hanging plate, the bottom beams are fixed on the floating body platform, one upright post is fixed on each bottom beam, the cross beam is fixedly connected between the two upright posts, the inverter hanging plate is fixed on the cross beam, and the at least one inclined strut is fixed between the bottom beams and the upright posts and/or between the two upright posts; the inverter is fixed on the inverter hanging plate.

The inclined struts are two, namely a first inclined strut fixed between the bottom beam and the stand column and a second inclined strut fixed between the two stand columns.

The filling layer in the floating body platform box body is a polystyrene foam layer, has the characteristics of light weight and floatability, and can provide sufficient bearing capacity for the group string type inverter and the mounting bracket.

A floating body connecting piece is arranged in the floating body platform, and the bottom beam is fixed on the floating body platform through a bolt.

The utility model discloses a fixing support, including base beam, first bracing, bolt fixed connection base beam, base beam side one end is passed through the bolted connection stand, first bracing both ends set up the fixed orifices, and the bolted connection base beam is passed through to one end, and the fastness of installing support transverse structure is guaranteed to one end through the bolted connection stand.

The number of the cross beams is two, and two ends of each cross beam are connected with the two stand columns through bolts. The inclined support is characterized in that fixing holes are formed in the two ends of the inclined support, one end of the inclined support is fixedly connected with the cross beam through a bolt, and the other end of the inclined support is fixedly connected with the stand column through a bolt, so that the firmness of the vertical structure of the mounting support is guaranteed.

The link plate surface is provided with the fixed orifices, and through setting up the fixed orifices, the link plate can carry out bolted connection with crossbeam, stand, guarantees the stability of link plate.

The utility model discloses showy photovoltaic project group string formula dc-to-ac converter mounting structure on water, fixed mounting support on body platform fixes group string formula dc-to-ac converter on the installing support, so group string formula dc-to-ac converter mounting structure is located the water, shortens with photovoltaic module's on water distance, just can corresponding consumption and the electric energy loss of saving direct current cable, synthesizes the cost that reduces showy formula photovoltaic project on water.

Drawings

Fig. 1 is a schematic view of a string-type inverter installation structure of a photovoltaic project group floating on water according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of an installation structure of a string-type inverter of a photovoltaic project group floating on water in the embodiment of the present invention.

Fig. 3 is a schematic diagram of the mounting structure of the string-type inverter of the photovoltaic project group floating on water in the embodiment of the present invention.

FIG. 4 is a schematic structural view of the buoyant platform;

FIG. 5 is a schematic structural view of a buoyant body attachment;

fig. 6 is a schematic structural view of an inverter hanging plate;

in the figure: 1. a buoyant platform; 2. a bottom beam; 3. a float connection; 4. a column; 5. a cross beam; 6. a first diagonal brace; 7. a second diagonal brace; 8. an inverter hanging plate; 9. a string inverter; 10. recess, 11, bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1, 2 and 3, a mounting structure of a string-type inverter for a photovoltaic project floating on water includes a floating body platform 1, a mounting bracket and a string-type inverter 9. The mounting bracket comprises two bottom beams 2, two upright posts 4, at least one cross beam 5, at least one inclined strut and an inverter hanging plate 8. The bottom beams 2 are fixed on the floating body platform 1, a stand column 4 is fixed on each bottom beam 2, a cross beam 5 is fixedly connected between the two stand columns 4, an inverter hanging plate 8 is fixed on the cross beam 5, and a string type inverter 9 is fixed on the inverter hanging plate 8.

In one embodiment the bottom beam 2 is connected to the buoyant platform 1 by a buoyant connection 3. The specific connection mode is as follows: two rows of grooves 10 are arranged on the floating body platform 1, and each row is not less than 2 grooves. The groove 10 has dimensions of 115mm (length) x 15mm (width) x 72mm (depth). And a floating body connecting piece 3 is arranged in the groove 10, a bottom beam 2 is paved on the surface of the floating body connecting piece 3, and the bottom beam 2 is fixedly arranged on the floating body platform 1.

In one embodiment, the bottom beam 2 may be 304 stainless steel angle steel.

In one embodiment, the floating body coupler 3 is constructed as shown in fig. 5, and includes a bolt hole 31 at an upper end, a nut chamber 32 communicating with the bolt hole, and two legs 33 at a lower end. The floating body coupling member 3 is inserted into the groove 10 of the floating body coupling member 3. The two legs 33 are embedded in the buoyant platform 1 during the insertion process, so that the connection of the buoyant body connection 3 to the buoyant platform 1 is achieved.

The bottom beam 2 is connected to the floating body connection member 3 by means of bolts in the bolt holes 31.

One end of the side surface of the bottom beam 2 is connected with the upright post 4 through a bolt 11, and the upright post 4 is made of 304 stainless steel angle steel. The first bracing 6 of preparation sets up the fixed orifices at first bracing 6 both ends, and bolt fixed connection floorbar 2 is passed through to one end, and bolt fixed connection stand 4 is passed through to one end, carries out stability to the installing support transverse structure and consolidates.

Two cross beams 5 are adopted, and two ends of each cross beam 5 are connected with the upright posts 4 through bolts. And manufacturing a second inclined strut 7, arranging fixing holes at two ends of the second inclined strut 7, fixedly connecting the stand column 4 through a bolt at one end, and fixedly connecting the cross beam 5 through a bolt at one end to stably reinforce the vertical structure of the mounting bracket. The surface of the inverter hanging plate 8 is provided with a fixing hole, and the stand column 4, the cross beam 5 and the hanging plate 8 are connected through bolts, so that the stability of the installation of the hanging plate is ensured.

The above description is only a part of the embodiments of the present invention, and not all embodiments. The technical solution and modifications according to the present invention shall be covered by the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.

Claims

1. A photovoltaic project group string type inverter mounting structure floating on water is characterized by comprising a floating body platform, a mounting bracket and an inverter; the mounting bracket comprises two bottom beams, two upright posts, at least one cross beam, at least one inclined strut and an inverter hanging plate, the bottom beams are fixed on the floating body platform, one upright post is fixed on each bottom beam, the cross beam is fixedly connected between the two upright posts, the inverter hanging plate is fixed on the cross beam, and the at least one inclined strut is fixed between the bottom beams and the upright posts and/or between the two upright posts; the inverter is fixed on the inverter hanging plate.

2. The string-type inverter mounting structure for photovoltaic project string floating on water according to claim 1, wherein the number of the diagonal braces is two, and the two diagonal braces are respectively a first diagonal brace fixed between the bottom beam and the upright and a second diagonal brace fixed between the two uprights.

3. The string-type inverter mounting structure for a water-borne floating photovoltaic project group according to claim 1, wherein a floating body connecting member is built in the floating body platform, and the bottom beam is fixed on the floating body platform through a bolt.

4. The string-type inverter mounting structure for an above-water floating photovoltaic project group according to claim 3, wherein the floating body connecting member includes a bolt hole at an upper end, a nut cavity communicating with the bolt hole, and two legs at a lower end; the two support legs are embedded in the floating body platform.

5. The string-type inverter mounting structure for the above-water floating photovoltaic project group according to claim 2, wherein fixing holes are formed at two ends of the first inclined strut, one end of the first inclined strut is fixedly connected with the bottom beam through a bolt, and the other end of the first inclined strut is fixedly connected with the upright post through a bolt.

6. The string-type inverter mounting structure for the above-water floating photovoltaic project group according to claim 2, wherein fixing holes are formed at two ends of the second inclined strut, one end of the second inclined strut is fixedly connected with the cross beam through a bolt, and the other end of the second inclined strut is fixedly connected with the upright post through a bolt.

7. The string-type inverter mounting structure for the above-water floating photovoltaic project group according to claim 1, wherein the bottom beam is made of first angle steel, one surface of the first angle steel is connected with the floating body platform, the other vertical surface of the first angle steel is provided with a bolt hole, and the upright post provided with the bolt hole is connected through a bolt.

8. The string-type inverter mounting structure for an overwater floating photovoltaic project group according to claim 7, wherein the upright posts are made of second angle steel, and the cross beam is made of third angle steel.

9. The string-type inverter mounting structure for a water floating photovoltaic project group according to claim 1, wherein fixing holes are provided in the inverter hanging plate, and the inverter is fixed to the inverter hanging plate by bolts located in the fixing holes.