CN105958907B - A kind of water surface floating dynamic formula photovoltaic generating system - Google Patents

Abstract

The invention discloses a water surface floating photovoltaic power generation system, which belongs to the technical field of photovoltaics. The surface floating photovoltaic power generation system includes multiple photovoltaic power generation units (1), and also includes maintenance channel buoys (2), and multiple photovoltaic power generation units (1) and multiple maintenance channel buoys (2) are interconnected to form multiple rows and multiple A rectangular structure of columns. The surface floating photovoltaic power generation system provided by the present invention has the advantages of simple structure, low cost, reliable performance, modular production, convenient and fast installation and maintenance, and greatly shortened construction period.

Description

A water surface floating photovoltaic power generation system

technical field

The invention provides a water surface floating photovoltaic power generation system, which belongs to the technical field of photovoltaics.

Background technique

With the international energy crisis and the strengthening of environmental protection awareness, countries all over the world are accelerating the development and utilization of clean energy and renewable energy. Solar photovoltaic power generation has been widely promoted and applied due to its obvious advantages such as cleanliness, safety, and renewability.

Traditional ground photovoltaic power generation occupies a large amount of land area, which restricts the promotion of solar photovoltaic power generation industry. Under this background, floating photovoltaic power station on water surface came into being. The surface floating photovoltaic power station uses supporting floating bodies to float photovoltaic modules on the water surface to generate power. It not only does not occupy land resources, but also the photovoltaic modules cover the water surface, which can reduce water evaporation, inhibit algae reproduction, and protect water resources.

At present, surface photovoltaic projects generally have problems such as complex structure, cumbersome installation, long time consumption, high cost, and low system stability and reliability.

Contents of the invention

In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a surface floating photovoltaic power generation system, which has simple structure, reliable performance, low cost, and convenient and fast installation and maintenance.

In order to achieve the purpose of the invention, the present invention provides a water surface floating photovoltaic power generation system, which includes a plurality of photovoltaic power generation units 1, and is characterized in that it also includes a maintenance channel buoy 2, a plurality of photovoltaic power generation units 1 and a plurality of maintenance The channel sliders 2 are connected to each other to form a matrix structure with multiple rows and multiple columns.

Preferably, the photovoltaic power generation unit 1 includes a floating base 3 , a support 4 disposed on the floating base, and a photovoltaic module 5 disposed on the support.

Preferably, the floating base 3 is a hollow frame structure, at least dovetail grooves are provided on the front and rear frames; the support body 4 is a frame structure, and at least floating The dovetail boss matched with the dovetail groove provided on the base 3 .

Preferably, at least a dovetail groove is provided on the front of the front frame of the floating base 3 and/or the rear of the rear frame; The dovetail boss matched with the dovetail groove provided on the top.

Preferably, the front frame and the rear frame of the floating base 3 are respectively provided with at least an upper limit hole and a rear limit hole.

Preferably, at least four corners of the support body 4 are provided with fixing pieces, and the fixing pieces are used for installing the photovoltaic module 5 .

Compared with the prior art, the surface floating photovoltaic power generation system provided by the present invention has the advantages of simple structure, reliable performance, low cost, convenient and fast installation and maintenance.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the water surface floating photovoltaic power generation system provided by the present invention;

Fig. 2 is a schematic side view of the water surface floating photovoltaic power generation system provided by the present invention;

Fig. 3 is a three-dimensional schematic diagram of the base in the water surface floating photovoltaic power generation system provided by the present invention;

Fig. 4 is a three-dimensional schematic diagram of the upper limit member in the water surface floating photovoltaic power generation system provided by the present invention;

Fig. 5 is a three-dimensional schematic diagram of the lower limiter in the water surface floating photovoltaic power generation system provided by the present invention;

Fig. 6 is a schematic perspective view of a support body in a floating photovoltaic power generation system provided by the present invention.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", The orientation or positional relationship indicated by "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have Certain orientations, constructed and operative in certain orientations, therefore are not to be construed as limitations on the invention.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "arrangement", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; can be mechanically connected; can be directly connected, can also be indirectly connected through an intermediary, and can also be internal communication between two elements. For those of ordinary skill in the art, the above-mentioned Specific meanings of terms in the present invention.

Fig. 1 is a three-dimensional schematic diagram of a floating photovoltaic power generation system provided by the present invention, and Fig. 2 is a schematic side view of a floating photovoltaic power generation system provided by the present invention. As shown in Fig. 1 and Fig. 2, the floating The photovoltaic power generation system includes 9 photovoltaic power generation units, such as photovoltaic power generation unit 1; the surface floating photovoltaic power generation system also includes 20 maintenance channel buoys, such as maintenance channel buoy 2, 9 photovoltaic power generation units and 20 maintenance channel buoys The blocks are interconnected to form a matrix structure with rows and columns. The photovoltaic power generation unit 1 includes a floating base 3, a support body 4 arranged on the floating base, and a photovoltaic module 5 arranged on the support body, and four of each support body are provided with a fixing member, such as a fixing member 9, to fix The part and the upper surface of the supporting body form a card slot. Two dovetail bosses matched with the dovetail grooves provided at the front and rear of the floating base 3 are respectively arranged on the vertical front and the vertical back of the maintenance channel floating block 2, and ear plates are arranged on the two vertical sides, such as ear plates 6, so that The lug plate is connected with the adjacent maintenance channel buoy through a connecting piece, or connected with the anchor chain through a connecting piece, and the connecting piece is, for example, a polyethylene bolt and a nut. Multiple anchor chains, such as anchor chains 7 , are arranged around the surface of the floating photovoltaic power generation system, and the anchor chains are flexibly connected to the embankment 8 of the water area. Although the present invention is illustrated by taking the photovoltaic power generation system including 9 photovoltaic power generation units and 20 inspection channel floats as an example, the number can be n or m respectively, and both n and m are natural numbers greater than or equal to 1.

Fig. 3 is a three-dimensional schematic diagram of the base in the water surface floating photovoltaic power generation system provided by the present invention. As shown in Fig. 3, the floating base in the water surface floating photovoltaic power generation system provided by the present invention is a hollow frame structure that is basically square or rectangular, namely A base square hole 10 is formed in the center, and the floating base includes four frames: a front frame, a rear frame, a left frame and a right frame. A dovetail groove 11 is provided on the front frame of the floating base, and a dovetail groove 12 is provided on the lower part of the front. The front frame of the floating base 3 is provided with two upper limit holes, such as limit holes 13 and 14, and a lower limit hole ( not shown in the figure). A dovetail groove 15 is provided above the rear frame of the floating base, and a dovetail groove 16 is provided below the back, the above and below are parallel and parallel to the water surface, and the front and rear are parallel and perpendicular to the water surface. The rear frame of the floating base 3 is provided with two upper limit holes, such as limit holes 17 and 18, and a lower limit hole 19 is also provided. Notches, such as notches 20 and notches 21, are respectively provided on the left frame and the right frame of the floating base 3.

Fig. 4 is a three-dimensional schematic diagram of the upper limit member in the floating photovoltaic power generation system provided by the present invention. As shown in Fig. The rectangular or cylindrical column 23 and the flat plate 24 are integrally formed. When in use, the column is inserted into the upper limit hole of the floating base, so that the flat plate 24 is pressed against the upper surface of the supporting body.

Fig. 5 is a three-dimensional schematic diagram of the lower limiting member in the water surface floating photovoltaic power generation system provided by the present invention. As shown in Fig. 5, the lower limiting member 25 provided by the present invention includes flat plates 26, Plate 27, plate 28, plate 29 and plate 30, wherein, plate 26 is vertically connected with plate 27, and is parallel to plate 28; Plate 27 is vertically connected with plate 28, and is parallel to plate 29; Plate 28 is vertically connected with plate 29, And parallel to the plate 30; the plate 29 is vertically connected to the plate 30, the height of the above-mentioned plate corresponds to the length of the lower limit of the floating base, and the lower limit is used to fix the support body through the lower limit hole on the floating base.

Fig. 6 is the three-dimensional schematic view of the support body in the water surface floating photovoltaic power generation system provided by the present invention. As shown in Fig. 6, the support body 4 provided by the present invention is basically a square or rectangular frame structure, and its length and width are the same as those of the base. Correspondingly in width, the upper table is an inclined-plane ring body, that is, a support body square hole 31 is formed in the center, and the support body 4 includes four frames: a front frame, a rear frame, a left frame and a right frame. A dovetail boss 32 matching the dovetail groove provided on the floating base 3 is provided under the front frame, and fixing pieces 33 and 34 are provided at two corners above. A dovetail boss 35 matched with the dovetail groove provided on the floating base 3 is arranged under the rear frame, fixing pieces 36 and 37 are set at two corners above, and four fixing pieces form four clips with the upper surface of the supporting body. groove. The longitudinal section of the left frame and the right frame is a right-angled trapezoid, and the cross section is an isosceles trapezoid, so that an inclined plane is formed on the top of the supporting body. The four fixing pieces at the four corners of the frame are used for installing the photovoltaic module 5 .

The maintenance channel 2, the floating base 3 and the support body 4 are all hollow shell structures made of polyethylene material, and can also be made of other materials that are easy to float; the angle between the photovoltaic module 5 and the horizontal plane and the maintenance The width of the channel 2 can be reasonably designed according to factors such as the latitude of the use area; the gap between the base 3 and the support body 4 and the square holes between the two are conducive to using the cooling effect of wind and water to reduce the working temperature of the components and further improve power generation efficiency.

The present invention has the following advantages due to the adoption of the above technical scheme:

1. The maintenance channel, base and support body are all made of polyethylene material shell structure, which is modularized to reduce production costs and simplify the manufacturing process.

2. The structure is wear-resistant, compressive, not easy to corrode, does not damage the ecological environment, has a wide range of applicable temperatures, and waste products can be recycled.

3. Large operating space, easy to store electrical equipment, and the flat shape can provide greater bearing capacity.

4. The angle between the photovoltaic module and the horizontal plane and the width of the maintenance channel can be reasonably designed according to factors such as the latitude of the use area to improve the applicability of the photovoltaic system.

5. The gap between the base and the support body and the square holes between them are beneficial to use the cooling effect of wind and water to reduce the working temperature of the components and further improve the power generation efficiency.

6. The dovetail groove connection is adopted between the base and the support body and the maintenance channel. The photovoltaic module is installed in the support body fixing part. The ear plates are hinged between the maintenance channels. The installation and maintenance are convenient and fast, and the system has good stability and Flexibility, avoiding the disadvantages of conventional piling fixing technology, greatly shortening the construction period.

Apparently, the above examples are only examples for clear illustration, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (4)

1. a kind of water surface floating dynamic formula photovoltaic generating system comprising multiple photovoltaic generation units (1) and multiple access path floating blocks (2), multiple photovoltaic generation units (1) and multiple access path floating blocks (2) are interconnected to form the matrix structure of multiple rows of multiple row, Photovoltaic generation unit (1) includes floating mount (3), the supporter (4) that floating mount upper end is arranged in and is set on the support Photovoltaic module (5), which is characterized in that photovoltaic generation unit (1) further includes upper limit part and lower limit part, floating mount (3) Front frame and after-frame be respectively provided at least preceding upper limit hole and rear upper limit hole, the upper surface of front frame and after-frame are also at least provided with Lower limit hole is provided in the dovetail groove of the upper surface of dovetail groove, front frame and after-frame；Upper limit part (22) is inverted "L" shape, that is, includes The cuboid or cylindrical column (23) and plate (24) for being mutually perpendicular to and being fixedly connected or being integrally formed use When, column is inserted into the upper limit hole of floating mount, plate (24) is made to compress the upper surface of supporter；Lower limit part includes It is successively mutually perpendicular to, height is identical and the first plate that area is different, the second plate, third plate, fourth panel and the 5th are flat Plate, wherein the first plate is vertical with the second plate to be connect；Second plate is vertical with third plate to be connect；Third plate and the 4th Plate vertically connects；Fourth panel is vertical with the 5th plate to be connect, and lower limit part is used to pass through floating mount front frame and after-frame Fixed support body is carried out in lower limit hole in the dovetail groove in face.

2. water surface floating dynamic formula photovoltaic generating system according to claim 1, which is characterized in that the floating mount (3) is Hollow frame structure；The supporter (4) is frame structure, below supporter (4) front frame and after-frame at least provided with The dovetail boss that the dovetail groove that floating mount (3) is arranged above matches.

3. water surface floating dynamic formula photovoltaic generating system according to claim 2, which is characterized in that the floating mount (3) Dovetail groove is at least provided with before front frame and behind after-frame；Access path floating block (2) is hollow slab construction, and maintenance is logical Road floating block (2) front and back be at least provided with before floating mount (3) front frame and the dovetail groove of after-frame being arranged below The dovetail boss matched.

4. water surface floating dynamic formula photovoltaic generating system according to claim 3, which is characterized in that the supporter (4) is above Quadrangle be at least provided with fixing piece, the fixing piece is used for installation photovoltaic component (5).