CN214729538U - Photovoltaic case becomes platform on water - Google Patents

Abstract

The utility model provides a photovoltaic case becomes platform on water, includes platform flotation tank and platform mesa, and wherein, the platform flotation tank includes sealed casing, flotation tank lid and fills foam material in the casing, the platform mesa includes the platform mesa frame of constituteing by upper frame construction and lower floor's frame construction, lower floor's frame construction is installed platform flotation tank top, upper frame construction is used for the installation the case becomes. All material parts forming the box transformer substation platform can be processed and assembled on site in a land factory, so that complicated construction such as underwater piling and in-situ concrete pouring is omitted, no special requirement is required for underwater soil quality, and the box transformer substation platform is suitable for being installed in various water areas. The platform maintenance adopts two sets of auxiliary buoyancy tanks to replace the damaged platform buoyancy tank in time in cooperation with the non-replaced platform buoyancy tank, and can effectively ensure the safe operation of the whole box transformer substation platform in the service life.

Description

Photovoltaic case becomes platform on water

Technical Field

The utility model relates to a solar photovoltaic field particularly relates to a photovoltaic case becomes platform on water.

Background

The solar photovoltaic power generation system is a technology that receives incident sunlight by using a photovoltaic array formed by a solar photovoltaic module, converts light energy into electric energy by photoelectric conversion, and collects the generated electric energy for use. The technology has the advantages of no pollution, low cost and sustainable power generation, and is increasingly applied to regions with sufficient illumination all over the world. Besides laying solar photovoltaic arrays on roofs and open grounds, an unmasked water surface is also an ideal site for utilizing solar energy. For the photovoltaic system installed on the water surface, the existing photovoltaic array on water adopts the buoy as a buoyancy component, so that the whole photovoltaic array can stably float and be fixed on the water surface, and the whole photovoltaic array has the capability of resisting strong wind, strong waves and overturning. The photovoltaic box transformer substation platform on water is a platform which is arranged in a photovoltaic array on water, is positioned on the water surface and is used for installing a box-type transformer, and is an inversion unit scheme for solving a direct current output link of a photovoltaic module to a power grid connection link in a one-stop mode. Because the box-type transformer substation platform is in a water environment, the requirements on water resistance, corrosion resistance and wind wave resistance are higher. For example, a water surface concrete box-type substation platform in the prior art is piled at the bottom of a water, and reinforced concrete on the water surface is poured, so that on one hand, the construction amount is huge, the time consumption is long, and the cost is high, on the other hand, part of soil which is not suitable for a pile foundation cannot be constructed, and on the other hand, part of the soil which is settled has the problems of potential safety hazards and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a photovoltaic case becomes platform on water.

According to the utility model discloses a photovoltaic case becomes platform on water, including platform flotation tank and platform mesa, the platform flotation tank includes seal housing, flotation tank lid and fills foam material in the casing, the platform mesa includes the platform mesa frame of constituteing by upper frame construction and lower floor's frame construction, lower floor's frame construction is installed platform flotation tank top, upper frame construction is used for the installation the case becomes.

The box transformer substation platform further comprises a middle steel structure frame arranged between the platform floating box and the platform surface.

At least one row of holes that are used for wearing to establish the bolt is seted up to middle part steel structural framework upside, the platform mesa passes through arrange the hole and adjust its position in middle part steel structural framework top.

The top of flotation tank lid is provided with the strengthening rib, middle part steel structural framework with the flotation tank lid of platform flotation tank forms detachable and is connected.

And the side part of the platform buoyancy tank is provided with a connecting lug plate for connecting the adjacent platform buoyancy tanks.

The foam is EPS foam.

The box becomes platform, still include be used for the box becomes platform maintenance's supplementary flotation tank, supplementary flotation tank detachably with the platform flotation tank is connected.

According to the utility model discloses a photovoltaic case becomes platform on water is owing to adopt platform flotation tank, middle part steel structural framework and including the at least three steel construction level including the platform mesa of lower floor frame construction, becomes the platform for whole case and provides high strength, high stable safety guarantee. And all material parts forming the box transformer substation platform can be processed in a land factory and assembled on site, so that the complex construction of piling at the water bottom, pouring concrete on site and the like is avoided, and the special requirement on the water bottom soil quality is avoided, so that the box transformer substation platform is suitable for being installed in various water areas. Further, the platform maintenance adopts two sets of auxiliary buoyancy tanks to replace the damaged platform buoyancy tank in time in cooperation with the non-replaced platform buoyancy tank, and the safe operation of the whole box transformer substation platform in the service life can be effectively ensured.

Drawings

Fig. 1 is a schematic front view showing a photovoltaic box-type substation platform on water according to the present invention.

Fig. 2 is a perspective view schematically showing the box-type substation platform shown in fig. 1.

Fig. 3 is a schematic perspective view showing a platform buoyancy tank of the above-water photovoltaic box-type substation platform according to the present invention.

Figure 4 is a schematic diagram showing a partial cutaway of the platform pontoon of figure 3.

Fig. 5A is a schematic diagram showing a middle steel structural frame of the above-water photovoltaic box transformer substation platform according to the utility model discloses.

Fig. 5B is a partially enlarged schematic view illustrating the middle steel structural frame shown in fig. 5A.

Fig. 6 is a schematic front view showing the connection of the mid-steel structural frame of fig. 5A to the platform pontoon.

Fig. 7 and 8 are perspective views illustrating the connection of the middle steel structural frame of fig. 5A with the platform pontoon.

Fig. 9 is a frame schematic diagram showing a platform deck of the above-water photovoltaic box-type substation platform according to the present invention.

Fig. 10 is a schematic front view showing the connection of the platform deck frame of fig. 9 to the middle steel structural frame.

Fig. 11 is a perspective view showing the connection of the platform deck frame of fig. 9 to the middle steel structural frame.

Fig. 12 is a schematic diagram showing the maintenance of the photovoltaic box-type substation platform on water according to the present invention.

Fig. 13 is a schematic view showing an auxiliary buoyancy tank used in maintenance of the box-to-substation platform shown in fig. 12.

Detailed Description

The various technical features and advantageous details of the present application are explained more fully with reference to the non-limiting embodiments that are illustrated in the accompanying drawings and detailed in the following description. Also, the following description omits descriptions of well-known raw materials, processing techniques, component subsystems, and apparatuses so as not to unnecessarily obscure the technical gist of the present application. However, those of ordinary skill in the art will understand that the description and specific examples, while indicating embodiments of the present application, are given by way of illustration and not limitation.

Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.

Fig. 1 is a front schematic view showing a photovoltaic box-type substation platform on water according to the present invention, and fig. 2 is a perspective schematic view showing the box-type substation platform shown in fig. 1. Referring to fig. 1 and 2 in combination, the above-water photovoltaic box-and-box substation platform includes a set of platform pontoons 11 disposed on the water surface, and a platform deck 15 disposed above the platform pontoons 11. Wherein, platform pontoon 11 is used for providing buoyancy for the case becomes platform, and the platform pontoon 11 of a set of three rectangles is shown in the figure, and the lateral part of platform pontoon 11 is provided with for example and connects otic placode 112, and the latter is used for linking together adjacent platform pontoon 11, forms the pontoon group that has the flexible connection, can provide sufficient buoyancy for the case becomes platform on the one hand, and on the other hand avoids rigid connection to easily cause the damage to the platform pontoon when encountering the high stormy waves. Those skilled in the art will appreciate that the group of buoyancy tanks is not limited to three, and may be more or less than three, for example, and that the shape of the buoyancy tanks is not limited to rectangular, and may be circular or other shapes. The platform deck 15 is also made of, for example, a steel frame, on which the box-type substation equipment 10 is mounted, and preferably, a fence 151 and a short ladder 152 are disposed around the outer side of the platform deck 15, for example, so as to facilitate the installation or maintenance personnel to construct or operate on the platform deck. Preferably, for example, a middle steel structure frame 13 is disposed between the platform top 15 and the platform buoyancy tank 11, the upper surface of the middle steel structure frame is connected to the platform top 15, and the lower surface of the middle steel structure frame is connected to the platform buoyancy tank 11, so as to provide further structural strength for the box transformer platform.

Fig. 3 is a schematic perspective view showing a platform buoyancy tank 11 of the above-water photovoltaic box-type substation platform according to the present invention, and fig. 4 is a schematic structural view showing the platform buoyancy tank 11 shown in fig. 3 partially cut away. Referring to fig. 3 and 4 in combination, buoyancy tank 11 includes a buoyancy tank shell 113 and a buoyancy tank cover 114, and preferably, shell 113 and buoyancy tank cover 114 are made of, for example, carbon steel, and the outer surfaces are coated with, for example, an anticorrosive coating. The housing 113 is sealed and welded, for example, the air inside the housing can provide the required buoyancy, the housing 113 is filled with EPS foam 116, for example, on one hand, the buoyancy of the buoyancy tank 11 is increased, and on the other hand, even if the buoyancy tank housing 113 has a water leakage problem, the EPS foam inside the housing can still provide stable buoyancy, so that the risk of platform sinking caused by the buoyancy lost due to water leakage of the buoyancy tank 11 is avoided. Preferably, the top of the pontoon cover 114 is provided with, for example, reinforcing ribs 117, for example, made of steel, for reinforcing the compression strength of the pontoon cover on the one hand, and for facilitating the connection with the platform deck 15 provided thereon on the other hand.

Fig. 5A is a schematic view showing a middle steel structural frame 13 of the above-water photovoltaic box transformer substation platform according to the present invention, fig. 5B is a partially enlarged schematic view showing the middle steel structural frame 13 shown in fig. 5A, fig. 6 is a schematic view showing the middle steel structural frame 13 shown in fig. 5A connected to the platform buoyancy tank 11, and fig. 7 and 8 are schematic views showing the middle steel structural frame 13 shown in fig. 5A connected to the platform buoyancy tank 11. Referring to fig. 5A to 8, the middle steel structural frame 13 is, for example, a rectangular steel structural frame including bars 131 intersecting in length and width. Frame 13 is removably secured, for example by bolts 132, to reinforcing ribs 117 of deck lid 114 of platform pontoons 11, on the one hand to position and connect together a set of several platform pontoons 11, and on the other hand to enable each of the platform pontoons of the set to uniformly withstand the heavy stresses from its upper tank-to-platform, ensuring stability and wind and wave resistance of the overall platform. Besides the top of a group of several platform pontoons 11 are connected together by a middle steel structure frame 13, the side of the pontoons 11 is provided with a connecting ear plate 112, for example, which is used to connect adjacent pontoons 11 together to form a pontoon group with flexible connection, on the one hand, sufficient buoyancy can be provided for the tank-to-platform, and on the other hand, the rigid connection is prevented from being damaged easily by the pontoons when encountering high wind and waves. Preferably, the steel bars 131 of the middle steel structure frame 13 are provided with at least one row of holes 138 for bolts to pass through for detachable connection with the platform top 15 mounted thereon.

Fig. 9 is a schematic view showing a frame 150 of a platform top 15 of the above-water photovoltaic box-type substation platform according to the present invention, fig. 10 is a schematic front view showing that the platform top frame 150 shown in fig. 9 is connected with a middle steel-structured frame 13, and fig. 11 is a schematic perspective view showing that the platform top frame 150 shown in fig. 9 is connected with the middle steel-structured frame 13. Referring to fig. 9 to 11, the platform frame 150 includes, for example, two upper and lower layers of frame structures, the lower layer of frame structure 155 is, for example, a larger area than the middle steel structure frame 13, and is, for example, laid on the upper side of the middle steel structure frame 13, so that the installation or maintenance personnel can walk on the lower layer of frame structure for construction or operation, and the upper layer of frame structure 156 is, for example, a smaller area than the middle steel structure frame 13, and is mainly used for carrying the box-type substation equipment. The platform deck frame 150 is connected to the upper side of the middle steel structure frame 13 by bolts, for example, and preferably, the platform deck frame 150 is detachably mounted on the middle steel structure frame 13 by holes 138 on the upper side of the middle steel structure frame 13, wherein the holes 138 can be used for adjusting the position of the platform deck frame 150 mounted above the middle steel structure frame 13, thereby being used for adjusting the center of gravity of the box transformer equipment on the whole platform and balancing and stabilizing the whole platform.

From fig. 10 and fig. 11, according to the utility model discloses a photovoltaic case becomes platform on water adopts the structural design of at least three levels such as platform mesa frame 150, middle part steel structural framework 13 and platform flotation tank 11, and wherein, the flotation tank lid 114 of platform mesa frame 150, middle part steel structural framework 13 and platform flotation tank 11 all adopts the steel construction to constitute, provides very strong anti-storm and anticorrosive performance for the case becomes the platform. However, since the platform pontoon 11 itself is immersed in water for a long time, it is more seriously damaged by impurities, pollution, etc. in water, and since the platform pontoon 11 needs to provide sufficient buoyancy to the entire box-to-box platform, the material of the casing 113 is not so heavy, compared to which the probability of damage is the greatest. Therefore, the damaged platform buoyancy tank 11 is replaced in time to ensure the safety of the box transformer substation platform and the normal work of the photovoltaic array on water, and the box transformer substation platform is the most important work in the daily maintenance of the photovoltaic box transformer substation platform on water.

Fig. 12 is a schematic diagram illustrating maintenance of an overwater photovoltaic box-type substation platform according to the present invention, and fig. 13 is a schematic diagram illustrating an auxiliary buoyancy tank employed in the maintenance of the box-type substation platform illustrated in fig. 12. With reference to fig. 12 and fig. 13, according to the utility model discloses a photovoltaic case becomes platform on water, in the maintenance, for example can utilize supplementary flotation tank will damage the flotation tank of treating to change and down impress the aquatic, make it take out and change newly with the case becomes the platform after breaking away from, perhaps, utilize supplementary flotation tank to become the platform with the case and raise, the messenger treats to change the flotation tank and becomes the platform and break away from the back and take out and change newly from the platform is underneath, or, utilize two sets of supplementary flotation tanks simultaneously, a set of flotation tank that will treat to change is down impress the aquatic, another set of becomes the platform with the case and raises, the messenger treats to change and takes out and change newly with it after flotation tank breaks away from with the case becomes the platform. The auxiliary buoyancy tank 141 is a sealed tank body, into which water can be injected, and has a side portion provided with, for example, a reinforcing rib 1415, and a screw hole 1416, for example, which can be connected to the platform buoyancy tank 11 by a bolt.

In fig. 12, of the 3 platform pontoons 11 below the transformation platform, for example, the platform pontoon 11 located in the middle is the pontoon to be replaced, and during the replacement operation, for example, the first set of auxiliary pontoons 141 are connected to the side of the non-replaced pontoon 11, preferably to the front and rear sides of the platform pontoon 11, so as to ensure that the auxiliary pontoons 141 and the platform pontoon 11 operate in a coordinated and balanced manner. At the same time, a second set of auxiliary pontoons 141' are attached to the sides, and preferably also the front and rear sides, of the platform pontoon 11 to be replaced. For the above connection, the auxiliary pontoons 141 and 141' are filled with water using, for example, a water pump or a water supply and drainage facility to have a draft to a depth sufficient to be butted against the connected platform pontoons 11. The platform pontoon 11 to be replaced is then unhooked from the transformation platform, e.g., the bolts that originally connected the pontoon 11 to the central steel structural frame are removed. Then, the water in the first group of auxiliary buoyancy tanks 141 is pumped out by a water pump or a water supply and drainage device to increase the buoyancy thereof, and the entire box-to-platform transformation platform is lifted up by the platform buoyancy tank 11 connected thereto, and at the same time, water is injected into the second group of auxiliary buoyancy tanks 141' by a water pump or a water supply and drainage device to increase the gravity thereof, and the platform buoyancy tank 11 to be replaced connected thereto is pressed down, and when the vertical height between the platform buoyancy tank 11 to be replaced and the box-to-platform transformation platform reaches a clearance of about 2cm or more, the platform buoyancy tank 11 to be replaced can be pulled out of the platform and a new platform buoyancy tank can be mounted on the platform. Those skilled in the art will appreciate that new platform pontoons 11 may be installed on the transformation platform, if necessary, in the same principle, and all auxiliary pontoons removed after installation.

According to the utility model discloses a another embodiment, in photovoltaic case becomes platform maintenance on water, for example supplementary flotation tank can design as follows:

for example, the tank weighs 10 tons, the total platform weight is about 6 tons, and the number of platform pontoons is 3, wherein a single platform pontoon weighs about 1.3 tons, the height of the platform pontoon is 1.2m, and the horizontal area of the single platform pontoon is 4.5m × 1.8m ═ 8.1m². When not replaced, the platform buoyancy tank draft is about 16/3/2

The size of 8.1m is 0.66m, and the size above the water surface is 0.54 m. In order to reduce the size of the auxiliary pontoon as much as possible, the platform and the non-replacement pontoon are lifted, and the pontoon to be replaced is pressed down with the draft of 0.55m as a reference.

Taking a platform pontoon as an example to connect two auxiliary pontoons, the second group of auxiliary pontoons, i.e. the hold-down auxiliary pontoons, are initially designed to have a size of 1.8m x 1.2m x 0.8m (in use, a part of the hull is in the water). The extra gravity required for replacing the float box is 0.55 × 8.1-1.3 ═ 3.155 tons, and the pressure is about 2.5 tons after the dead weight of the pressing auxiliary float box is removed, so that the water filling depth in the pressing auxiliary float box is only 2.5 ÷ 1.8 ÷ 1.2 ÷ 2 ═ 0.58 m.

The first group of auxiliary buoyancy tanks, namely the upper auxiliary buoyancy tanks, are designed to have the initial size of 1.8m multiplied by 1.2m multiplied by 1.8m, the draft is calculated according to 0.5m, and the self weight is 10+6 to 1.3+4 multiplied by 0.5 (the self weight of the auxiliary buoyancy tanks) to 16.7 tons. The non-replacement platform buoyancy tanks provide 2 × 8.1 × 0.5-8.1 tons of buoyancy, the floating auxiliary buoyancy tanks still need to provide 8.6 tons of buoyancy, and the draft of a single buoyancy tank is 8.6 ÷ 4 ÷ 1.8 ÷ 1.2 ÷ 1 m.

While the present application has been described in terms of preferred embodiments, those of ordinary skill in the art will recognize that numerous modifications may be made to the apparatus described in the present application without departing from the concept, spirit and scope of the present application. All such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope and concept of the application as defined by the appended claims.

Claims (10)

1. The utility model provides a photovoltaic case becomes platform on water, includes platform flotation tank and platform mesa, the platform flotation tank includes sealed casing, flotation tank lid and fills foam in the casing, the platform mesa includes the platform mesa frame of constituteing by upper frame construction and lower floor's frame construction, lower floor's frame construction is installed platform flotation tank top, upper frame construction is used for the installation the case becomes.

2. The box-type substation platform of claim 1, further comprising a mid-steel structural frame disposed between the platform pontoon and the platform deck.

3. The box-type substation platform of claim 2, wherein the upper side of the middle steel structure frame is provided with at least one row of holes for penetrating bolts, and the position of the platform surface above the middle steel structure frame is adjusted through the holes.

4. The box-type substation platform of claim 2, wherein the top of the pontoon cover is provided with a reinforcing rib, and the middle steel structural frame is detachably connected with the pontoon cover of the platform pontoon.

5. A boxed platform according to claim 2 wherein the sides of the platform pontoon are provided with attachment lugs to attach adjacent platform pontoons.

6. A box-substation platform according to claim 1, wherein the foam is EPS foam.

7. The box-substation platform of claim 2, further comprising an auxiliary pontoon for maintenance of the box-substation platform, the auxiliary pontoon being detachably connected to the platform pontoon.

8. The box-type substation platform of claim 7, wherein the side of the auxiliary pontoon is provided with a reinforcing rib, which is provided with a screw hole for connecting with the platform pontoon.

9. The boxcar platform of claim 1, wherein the hull and the pontoon cover of the platform pontoon are made of carbon steel.

10. A box-type substation platform according to claim 2, wherein said central steel structural frame comprises intersecting bars.

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