CN213602579U - Water surface floating type photovoltaic power generation system - Google Patents

Abstract

The utility model discloses a surface of water floats formula photovoltaic power generation system relates to photovoltaic power generation technical field, float formula photovoltaic unit, every including a plurality of float formula photovoltaic unit and include the photovoltaic support and install the photovoltaic module on the photovoltaic support, float the gasbag is installed to the lower extreme of photovoltaic support, still be provided with on the photovoltaic support and be used for adjusting float the buoyancy adjusting device of gasbag buoyancy. The utility model discloses not only can install photovoltaic module on the surface of water, and can adjust the focus of floating formula photovoltaic unit as required to pitch and roll to floating formula photovoltaic unit provides a righting moment and inertial resistance, still can provide sufficient draft and offset the motion of dangling, guarantee photovoltaic module's stability.

Description

Water surface floating type photovoltaic power generation system

Technical Field

The utility model relates to a photovoltaic power generation technical field especially relates to a surface of water floats formula photovoltaic power generation system.

Background

Photovoltaic power stations are widely concerned and developed due to the advantages of being green and pollution-free. In recent years, as the construction of photovoltaic power stations is no longer limited to land, and the water area of the earth occupies about 79% of the total area of the earth, the construction of the overwater photovoltaic power station can utilize wide water area resources to the maximum extent and is beneficial to improving the utilization rate of the land resources, so the overwater photovoltaic power station also tends to become an important direction for the development of the photovoltaic industry. However, how to stably arrange the photovoltaic module on the water surface is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art's shortcoming, provide a surface of water floats formula photovoltaic power generation system.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides a surface of water floats formula photovoltaic power generation system, includes that a plurality of floats formula photovoltaic unit, every it includes the photovoltaic support and installs the photovoltaic module on the photovoltaic support to float formula photovoltaic unit, float the gasbag is installed to the lower extreme of photovoltaic support, still be provided with on the photovoltaic support and be used for adjusting float the buoyancy adjusting device of gasbag buoyancy.

As a surface of water floats formula photovoltaic power generation system's an preferred scheme, wherein: the buoyancy adjusting device comprises an electric air pump connected with an air inlet of the floating air bag, an exhaust valve arranged on the floating air bag and a controller for controlling the electric air pump and the exhaust valve to open and close.

As a surface of water floats formula photovoltaic power generation system's an preferred scheme, wherein: and the photovoltaic support is also provided with an air speed sensor, and the air speed sensor is electrically connected with the controller.

As a surface of water floats formula photovoltaic power generation system's an preferred scheme, wherein: and a liquid level sensor is arranged on the photovoltaic support and electrically connected with the controller.

As a surface of water floats formula photovoltaic power generation system's an preferred scheme, wherein: the side of photovoltaic support is provided with transparent waterproof division board, waterproof division board will including photovoltaic module surrounds.

As a surface of water floats formula photovoltaic power generation system's an preferred scheme, wherein: the floating photovoltaic units are connected in sequence to form a rectangular photovoltaic power generation array in a spliced mode, and the photovoltaic supports adjacent to the floating photovoltaic units are connected through connecting rods.

As a surface of water floats formula photovoltaic power generation system's an preferred scheme, wherein: it is adjacent float formula photovoltaic unit still be provided with between the photovoltaic support and maintain the passageway, it includes two tie-beams that are parallel to each other to maintain the passageway, two be provided with a plurality of root perpendiculars along its length direction equidistance between the tie-beam the connecting beam of tie-beam, the connecting beam is put on the shelf and is equipped with the footboard.

As a surface of water floats formula photovoltaic power generation system's an preferred scheme, wherein: the lower end of the maintenance channel is provided with a floating buoy.

The utility model has the advantages that:

(1) the utility model discloses a set up photovoltaic module on floating the gasbag, utilize the buoyancy of floating the gasbag to make photovoltaic module set up on the surface of water, simple to operate, stability is high, the construction degree of difficulty is low, in addition, the buoyancy of floating the gasbag can be adjusted as required, when the surface of water stormy waves is great, can reduce the buoyancy of floating the gasbag, make the focus of floating photovoltaic unit descend, thereby to the pitching and the rolling of floating photovoltaic unit provide one to hold up right moment and inertial resistance, still can provide sufficient draft to offset the motion of dangling, guarantee the stability of photovoltaic module;

(2) the utility model is also provided with a wind speed sensor on the photovoltaic bracket, which can monitor wind power in real time, when the wind power exceeds a preset value, the controller can control the buoyancy adjusting device to reduce the buoyancy of the floating airbag, so that the gravity center of the floating photovoltaic unit is automatically adjusted along with the wind speed, and the installation stability of the photovoltaic module is ensured;

(3) the utility model is also provided with a liquid level sensor on the photovoltaic bracket, the liquid level sensor can collect the sinking distance of the floating photovoltaic unit, when the gravity center of the floating photovoltaic unit is lower than the floating center, the buoyancy of the floating airbag is not reduced, so that the floating photovoltaic unit is maintained at a proper liquid level;

(4) the utility model is also provided with a transparent waterproof isolation board at the side of the photovoltaic bracket, which can play a good waterproof protection role and avoid the contact between the photovoltaic module and the seawater to shorten the service life of the photovoltaic module;

(5) the utility model connects a plurality of floating photovoltaic units in sequence, splices into a rectangular photovoltaic power generation array, and provides distributed buoyancy through a plurality of floating bodies, thereby utilizing a larger waterline area to provide restoring torque to ensure the stability of the photovoltaic power generation array;

(6) the utility model discloses still be provided with between the photovoltaic support of adjacent showy formula photovoltaic unit and maintain the passageway, the operating personnel of being convenient for removes between showy formula photovoltaic unit, maintains the maintenance to photovoltaic module, guarantees photovoltaic module's normal operating.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a floating photovoltaic unit provided by the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic structural view of the buoyancy regulating device;

FIG. 4 is a schematic structural diagram of a rectangular photovoltaic power generation array formed by splicing a plurality of floating photovoltaic units;

wherein: 1. a floating photovoltaic unit; 2. a photovoltaic support; 3. a photovoltaic module; 4. a floating airbag; 5. an electric air pump; 6. an exhaust valve; 7. a waterproof separator; 8. a connecting rod; 9. and maintaining the channel.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

This embodiment provides a surface of water floats formula photovoltaic power generation system, including a plurality of showy formula photovoltaic unit 1, every showy formula photovoltaic unit 1 includes photovoltaic support 2 and installs photovoltaic module 3 on photovoltaic support 2. The photovoltaic support 2 comprises two mutually parallel main beams, and a cross beam perpendicular to the main beams is arranged between the two main beams. A plurality of floating airbags 4 are fixedly arranged on the lower end face of the main beam, and the photovoltaic support 2 can float on the water surface through the buoyancy of the floating airbags 4.

Preferably, a set of front column and a set of rear column are further installed below each photovoltaic module 3 on the main beam, the front column and the rear column are arranged along the vertical direction, the upper ends of the front column and the rear column are respectively connected with two opposite sides of the photovoltaic modules 3, the length of the front column is smaller than that of the rear column, the photovoltaic modules 3 are obliquely arranged on the photovoltaic support 2, and the power generation efficiency of the photovoltaic modules 3 is improved.

And a buoyancy adjusting device for adjusting the buoyancy of the floating airbag 4 is also arranged on the photovoltaic bracket 2 and comprises an electric air pump 5, an exhaust valve 6 and a controller. The electric air pump 5 is installed on the photovoltaic support 2, the air outlet end of the electric air pump 5 is communicated with the air inlet of the floating air bag 4, and the electric air pump 5 can inflate the floating air bag 4 when working, so that the buoyancy of the floating air bag 4 is increased. The exhaust valve 6 is installed at the exhaust port of the floating airbag 4, and when the exhaust valve 6 is opened, the floating airbag 4 is exhausted outward, thereby reducing the buoyancy of the floating airbag 4. The controller is installed on the photovoltaic support 2, is electrically connected with the electric air pump 5 and the exhaust valve 6, and is used for controlling the opening and closing of the electric air pump 5 and the exhaust valve 6.

And an air speed sensor is also arranged on the photovoltaic bracket 2 and is electrically connected with the controller. The wind speed sensor can collect wind speed signals in real time and transmit the signals to the controller, a rated wind speed value is preset in the controller, when the real-time wind speed collected by the wind speed sensor reaches the rated wind speed value, the controller sends control signals to the exhaust valve 6 to open the exhaust valve 6, part of gas in the floating air bag 4 is discharged, the buoyancy of the floating air bag 4 is reduced, the gravity center of the floating photovoltaic unit 1 is lowered, a righting moment and an inertia resistance are provided for pitching and rolling of the floating photovoltaic unit 1, enough draught can be provided to counteract heaving movement, and the stability of the photovoltaic module 3 is guaranteed.

And a liquid level sensor is also arranged on the photovoltaic bracket 2 and is electrically connected with the controller. The sinking distance of floating photovoltaic unit 1 can be gathered in real time to level sensor, after sinking a certain distance, when floating photovoltaic unit 1's focus is less than the center of buoyancy, level sensor sends signal to the controller, and controller control discharge valve 6 closes afterwards, and the buoyancy of floating gasbag 4 no longer reduces, makes floating photovoltaic unit 1 maintain at appropriate liquid level. If the sinking distance collected by the liquid level sensor is too large, the controller can control the electric air pump 5 to work and inflate the floating air bag 4, so that the buoyancy of the floating air bag 4 is increased.

For avoiding the wave to strike on floating formula photovoltaic unit 1 back sea water can sputter to photovoltaic module 3, all be provided with along the waterproof division board 7 of vertical direction in the side of photovoltaic support 2, waterproof division board 7 encloses into the side of cuboid to including surrounding photovoltaic module 3, can play good waterproof guard action, avoid photovoltaic module 3 and sea water contact and shorten photovoltaic module 3's life. It should be noted that the waterproof isolation plate 7 is a transparent plate, and sunlight can penetrate through the waterproof isolation plate 7 and irradiate on the photovoltaic module 3, so that the waterproof isolation plate 7 is prevented from influencing the power generation efficiency of the photovoltaic module 3. Meanwhile, the height of the waterproof isolation plate 7 is smaller than that of the wind speed sensor, and the waterproof isolation plate 7 is prevented from influencing the normal operation of the wind speed sensor.

In addition, a plurality of floating photovoltaic units 1 are connected in sequence to form a rectangular photovoltaic power generation array in a spliced mode, and the photovoltaic supports 2 of the adjacent floating photovoltaic units 1 are connected through connecting rods 8. Every floats formula photovoltaic unit 1 and is an solitary body, provides distributed buoyancy through a plurality of bodies to utilize great waterline area to provide restoring torque and guarantee photovoltaic power generation array's stability.

Still be provided with between the photovoltaic support 2 of adjacent floating photovoltaic unit 1 and maintain passageway 9, should maintain passageway 9 and include two tie-beams that are parallel to each other, be provided with the connecting beam of a plurality of perpendicular to tie-beam along its length direction equidistance between two tie-beams, erect the footboard on connecting the beam. Operating personnel accessible is maintained the passageway 9 and is removed between floating formula photovoltaic unit 1, maintains photovoltaic module 3 and overhauls, guarantees photovoltaic module 3's normal operating. Preferably, a floating buoy is arranged at the lower end of the maintenance channel 9 to provide certain buoyancy for the maintenance channel 9.

Therefore, the utility model discloses not only can install photovoltaic module 3 on the surface of water, and can adjust the focus of floating formula photovoltaic unit 1 as required to pitch and roll to floating formula photovoltaic unit 1 provide a righting moment and inertial resistance, still can provide sufficient draft and offset the motion of swinging, guarantee photovoltaic module 3's stability.

In addition to the above embodiments, the present invention may have other embodiments; all the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims (8)

1. The utility model provides a surface of water floats formula photovoltaic power generation system which characterized in that: float formula photovoltaic unit (1) including a plurality of, every float formula photovoltaic unit (1) including photovoltaic support (2) and install photovoltaic module (3) on photovoltaic support (2), float gasbag (4) are installed to the lower extreme of photovoltaic support (2), still be provided with on photovoltaic support (2) and be used for adjusting float the buoyancy adjusting device of gasbag (4) buoyancy.

2. The surface-floating photovoltaic power generation system of claim 1, wherein: the buoyancy adjusting device comprises an electric air pump (5) connected with an air inlet of the floating air bag (4), an exhaust valve (6) arranged on the floating air bag (4) and a controller for controlling the electric air pump (5) and the exhaust valve (6) to open and close.

3. The system of claim 2, wherein: and the photovoltaic support (2) is also provided with an air speed sensor, and the air speed sensor is electrically connected with the controller.

4. The system of claim 3, wherein: and a liquid level sensor is arranged on the photovoltaic support (2), and the liquid level sensor is electrically connected with the controller.

5. The system of claim 4, wherein: the side of photovoltaic support (2) is provided with transparent waterproof division board (7), waterproof division board (7) will including photovoltaic module (3) surround.

6. The system according to any one of claims 1-5, wherein: the floating photovoltaic units (1) are connected in sequence to form a rectangular photovoltaic power generation array in a spliced mode, and the photovoltaic supports (2) of the adjacent floating photovoltaic units (1) are connected through connecting rods (8).

7. The system of claim 6, wherein: it is adjacent float formula photovoltaic unit (1) still be provided with between photovoltaic support (2) and maintain passageway (9), it includes two tie-beams that are parallel to each other, two to maintain passageway (9) be provided with a plurality of root perpendiculars along its length direction equidistance between the tie-beam the connecting beam of tie-beam, the connecting beam is put on the shelf and is equipped with the footboard.

8. The system of claim 7, wherein: the lower end of the maintenance channel (9) is provided with a floating buoy.

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