TWM569969U - A water surface floating supporting structure of a photovoltaic cell panel - Google Patents

Abstract

A water surface floating supporting structure of a photovoltaic cell panel is disclosed. The water surface floating supporting structure is a closed box structure with a hollow interior, and the water surface floating supporting structure is provided with a waterproof aeration member via which a cavity of the water surface floating supporting structure is in communication with the outside atmosphere. The arrangement of the waterproof aeration structure allows the communication between the inside of the water surface floating supporting structure and the outside atmosphere. Therefore, the air pressure inside and outside the water surface floating supporting structure is always the same, and even if the ambient temperature changes, an air pressure difference may not be presented between the atmosphere inside the water surface floating supporting structure and the atmosphere outside the water surface floating supporting structure. Thus, the issue presented in the conventional water surface floating supporting structure is effectively addressed, and the stability of the shape of the water surface floating supporting structure is ensured.

Description

Water surface carrying floating body of photovoltaic panel

The invention relates to the technical field of water surface installation of photovoltaic panels, in particular to a water surface bearing floating body of a photovoltaic panel.

With the advancement of science and technology, sustainable development is recognized by more and more countries. From a certain point of view, solar energy is an inexhaustible renewable energy source. It has sufficient cleanliness and relative Extensiveness, absolute security, and the adequacy of resources have an important place in the long-term energy strategy.

On the earth, the ocean area accounts for 71% of the earth's surface area. A large part of the limited land area is a mountainous terrain that is not suitable for arranging photovoltaic panels. Therefore, the development of water-based photovoltaic panel components has become a large-scale application of solar energy. Urgent need.

In order to arrange photovoltaic panels on the water surface, it is necessary to arrange floating bodies on the water surface, and the single floating bodies constitute a larger water bearing platform by mutual connection. As shown in FIG. 1 and FIG. 2, a single floating body is a closed floating member formed by a hollow blow molding method using a resin material for mounting a photovoltaic element and a cable device thereof, and a production method of blow molding. The blow molding port 01 is left on one side of the floating body. In order to prevent water from entering the inside of the floating body through the blow molding port 01, the blow molding port 01 of the finished floating body is generally closed, and the upper portion of the floating body is generally used for Install the mounting surface of the photovoltaic panel.

The sealing of the blow molding port 01 causes the inside of the floating body to become a closed space filled with air. As the ambient temperature changes, the air pressure in the floating body will change significantly, and since the floating body itself is a plastic material, The shape of the surface of the floating body will change significantly. As shown in Fig. 3, the long-term stress loading even causes irreversible deformation of the surface of the floating body, which not only affects the service life of the floating body, but also the mounting surface of the photovoltaic panel. After the deformation occurs, the panel cannot be connected, or the panel is detached. The detached panel will be cracked after being subjected to wind-borne vibration for a long time, reducing power generation efficiency.

Therefore, how to effectively avoid the shape change caused by the change of the internal air pressure of the floating body is a technical problem that those skilled in the art urgently need to solve.

The purpose of the present invention is to provide a water surface bearing floating body of a photovoltaic panel, so as to be able to solve the problem of the shape change of the surface bearing floating body due to the change of the internal pressure of the floating body.

In order to achieve the above object, the present invention provides a water surface bearing floating body of a photovoltaic panel, the water surface bearing floating body is an inner hollow closed box structure, and the water surface carrying floating body is further provided with a cavity inside thereof A waterproof aeration member that communicates with the outside atmosphere.

Preferably, the water surface bearing floating body has a wedge shape.

Preferably, the top surface of the water surface bearing floating body is a curved surface, and the central portion of the curved surface faces the inner surface of the floating surface carrying the floating body.

Preferably, a mounting tube is disposed on a top surface of the water surface bearing floating body, and the mounting tube protrudes upwardly on a top surface of the water surface bearing floating body and communicates with the inner surface of the water surface bearing floating body. The waterproof ventilating member includes a vent pipe that is fitted to the mounting pipe, and a rain cap 盖 that is disposed at a top end of the vent pipe, and the vent pipe is provided with a vent hole at a position close to the rain cap.

Preferably, the mounting tube and the vent tube are threadedly mounted, and any one of the mounting tube and the vent tube is provided with an external thread, and the other is provided with an internal thread.

Preferably, the rain cap is tapered.

Preferably, the top surface of the water surface bearing floating body is provided with an air outlet with an internal thread, the waterproof ventilation member is a waterproof venting plug, and the waterproof venting plug includes:

a screw plug having a cavity structure, the screw portion of the screw plug is provided with an external thread adapted to the air outlet, and a screw hole is formed in a side surface of the nut of the screw plug;

a waterproof, breathable microporous membrane disposed in the cavity of the plug and isolating the internal cavity of the plug into an upper chamber and a lower chamber, and the waterproof breathable microporous membrane Below the vent.

Preferably, a sealing ring sleeved outside the screw is further included.

Preferably, a mounting tube is disposed on a top surface of the water surface bearing floating body, and the mounting tube protrudes upwardly on a top surface of the water surface bearing floating body and communicates with the inner surface of the water surface bearing floating body. The waterproof ventilation member is a U-shaped elbow, one end of the U-shaped elbow is fitted with the installation tube, and the other end of the U-shaped elbow is an outlet end with an opening facing downward.

Preferably, any one of the mounting tube and the U-bend is provided with an external thread, and the other is provided with an internal thread.

Preferably, the outlet end of the U-shaped elbow is further provided with a waterproof gas permeable membrane.

Preferably, the side of the water surface carrying floating body is provided with a blow hole, the blow hole is provided with an internal thread, the waterproof ventilation member is an S-shaped elbow, and one end of the S-shaped elbow is externally The thread is connected to the blow hole and the opening at the other end faces downward.

Preferably, the surface bearing floating body comprises a high support riser and a low support riser, and the top of the high support riser and the low support riser is provided with a mounting hole or a mounting post for mounting the photovoltaic panel .

Preferably, the side of the water surface carrying floating body is provided with a blow hole, the blow hole is located on the blow tube, the waterproof ventilation member is a waterproof vent plug, and the waterproof vent plug includes:

a straight tube housing, the one end of the straight tube housing is closed at the other end, the open end of the straight tube housing is fitted with the blow tube, and the side wall of the straight tube housing is provided with a vent hole. And the vent hole is disposed adjacent to the closed end of the straight tube housing, and after the straight tube housing is mounted on the blow tube, the vent hole faces downward;

a waterproof gas permeable membrane disposed in the straight tube housing and located between the vent hole and the blow tube.

Preferably, the blow molding nozzle is provided with an external thread, the open end of the housing is provided with an internal thread adapted to the external thread, and the blow tube is further provided with a straight tube for defining the straight tube A rotation stop of the housing mounting position, the open end of the straight tube housing is provided with a rotation stop groove adapted to the rotation stop.

Preferably, a waterproof ring concentric with the straight tube housing is disposed in the housing, and an outer wall of the waterproof ring and an inner wall of the straight tube housing are connected by a connecting plate, the waterproof ring The connecting plate and the inner wall of the casing form a sealing ring groove, and the sealing ring groove is provided with a sealing ring matched with the blowing pipe.

The water surface bearing floating body disclosed in the present invention is provided with a waterproof ventilation structure that communicates the inner cavity with the external atmosphere. The so-called waterproof ventilation structure means that the structure prevents liquid from passing, but allows gas to flow, and the waterproof ventilation structure The setting makes the inside of the floating surface carrying floating body communicate with the outside atmosphere. Therefore, the internal and external air pressure of the floating surface carrying the floating body is always consistent. Even if the external ambient temperature changes, there is no difference in air pressure between the inside of the floating surface carrying body and the external atmosphere. The problem existing in the current surface bearing floating body is effectively solved, and the stability of the shape of the floating surface of the water surface is ensured.

The core of the present invention is to provide a water surface bearing floating body of a photovoltaic panel, so as to be able to solve the problem that the shape of the floating surface of the floating surface is changed due to the change of the internal pressure of the floating body.

In order to make the present invention better understood by those skilled in the art, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

The water surface bearing floating body disclosed in the new embodiment is an inner hollow closed box structure, and the water surface carrying floating body is further provided with a waterproof ventilation member that communicates a cavity of the water surface carrying floating body with the external atmosphere.

The so-called waterproof ventilation structure means that the structure prevents the passage of liquid, but allows the circulation of the gas. The arrangement of the waterproof ventilation structure makes the interior of the floating surface carrying floating body communicate with the outside atmosphere, so the internal and external air pressure of the floating surface carrying the floating body is always consistent, even if the external ambient temperature When there is a change, there will be no difference in air pressure between the inside of the floating surface and the external atmosphere. This effectively solves the problems existing in the current surface carrying floating body and ensures the stability of the shape of the floating surface of the floating surface.

As shown in FIG. 4, FIG. 8 and FIG. 10, the water surface bearing floating body has a wedge shape, and the bottom surface thereof is used for contact with the water surface, and the wedge-shaped water surface bearing floating body includes a high height supporting vertical riser 4 and The lower height support riser 3, the top end of the upper support riser 4 and the lower support riser 3 are provided with mounting holes or mounting posts 6 for mounting the photovoltaic panels, and the shape of the top surface of the floating surface of the floating surface is not limited. It can be a plane or a curved surface. In order to avoid the influence of the top surface 2 of the floating surface carrying the floating body on the installation of the photovoltaic panel, the top surface 2 of the floating surface of the floating surface is a curved surface, and the central part of the curved surface faces the internal depression of the floating surface of the floating surface. .

Referring to FIG. 4 and FIG. 5, in the first embodiment, the top surface 2 of the surface bearing floating body is provided with a mounting tube 5, preferably, the mounting tube 5 and the surface bearing floating body are formed by one-time processing, and the mounting tube is installed. 5, the top surface 2 of the floating body is raised upwards on the water surface and communicates with the inner cavity of the water surface carrying floating body. The mounting pipe 5 is seamlessly connected with the top surface 2 of the water surface carrying floating body, and the waterproof ventilation member comprises a vent pipe 8 in particular. And the rain cap 檐9, the bottom end of the vent pipe 8 is fitted with the mounting pipe 5, and the rain cap 檐9 is disposed at the top end of the vent pipe 8 to prevent rainwater or splashing water from entering the water surface carrying the inside of the floating body. The air pipe 8 is provided with a vent hole 10 at a position close to the rain cap 檐 9. The number of the vent holes 10 may be one or more. As shown in FIG. 5, the number of the vent holes 10 in the embodiment is plural, and the vent holes are provided. 10 is evenly distributed along the circumferential direction of the vent pipe 8.

In order to be able to quickly drop liquid such as rainwater, the rain cap 9 preferably adopts a tapered structure, as shown in Fig. 5, the mounting tube 5 and the vent tube 8 are mounted by a threaded fit, which can be understood by those skilled in the art to install An external thread may be provided on any one of the tube 5 and the vent tube 8, and the internal thread may be provided on the other one to realize the screw assembly of the two. As can be seen from FIG. 4 and FIG. 5, the mounting tube 5 is disposed in the embodiment. Externally threaded, the vent tube 8 is provided with internal threads.

The second embodiment is also provided in the present invention. In the embodiment, the top surface 2 of the water surface carrying floating body is provided with an air outlet, the air outlet has an internal thread, and the waterproof ventilation member is specifically a waterproof and ventilating plug, as shown in FIG. 6 . As shown in FIG. 7, the waterproof vent plug specifically includes a screw plug 11 and a waterproof venting microporous film 12, the screw plug 11 is hollow inside, and the screw plug 11 includes a screw portion and a nut, and the outer wall of the screw portion is disposed An external thread adapted to the air outlet, the side of the nut is provided with a vent hole 10, the waterproof and permeable microporous film 12 is disposed in the cavity of the screw plug 11, and the inside of the screw plug 11 is isolated into an upper cavity and a lower cavity, of course In order to effectively prevent water from entering the inner cavity of the floating surface of the floating surface, the waterproof and permeable microporous membrane 12 should be lower than the venting opening 10 on the nut. In order to further optimize the solution, a sealing ring may be sleeved on the outer side of the screw to prevent water from penetrating into the surface of the floating body by the end surface of the thread.

Referring to FIG. 8 to FIG. 9 , a blow hole 1 is left on the side of the water surface bearing floating body disclosed in the third embodiment of the present invention, and the blow hole 1 is specifically located on the high position support vertical plate 4 , and the blow hole is The internal thread is provided in the first embodiment, and the waterproof ventilation member is specifically an S-shaped elbow 13. One end of the S-shaped elbow 13 is connected to the blow hole 1 by an external thread, and the opening at the other end faces downward to form a vent hole. The thread can ensure the reliable connection between the S-bend 13 and the blow hole 1. Of course, the interface between the S-bend 13 and the blow hole 1 needs to ensure that the vent hole of the S-bend 13 is not immersed in water, rain or waves. Under the action of gravity, it will drop at the elbow of the S-bend 13 and will not flow back from the vent hole of the S-bend 13 to the inside of the surface bearing floating body. Of course, in order to further optimize the scheme, A waterproof gas permeable membrane 15 may be provided at the vent hole of the S-shaped elbow 13 to further prevent moisture from entering the water surface bearing the inside of the floating body.

Referring to FIG. 10 to FIG. 11 , the top surface of the water surface bearing floating body disclosed in the fourth embodiment of the present invention is also provided with a mounting tube 5 facing the top surface 2 of the floating surface carrying the floating body toward the water surface and The inner surface of the water bearing floating body is communicated, and the waterproof ventilation member is specifically a U-shaped elbow 14. One end of the U-shaped elbow 14 is fitted with the mounting tube 5, and the other end of the U-shaped elbow 5 is an air outlet end with the opening facing downward. .

Preferably, the U-bend 14 and the mounting tube 5 are screwed, one of the U-bend 14 and the mounting tube 5 is provided with an external thread, and the other is provided with an internal thread to further prevent moisture from entering the water surface. A waterproof gas permeable membrane 15 may be disposed at the outlet end of the U-bend 14 to carry the inside of the floating body.

Referring to FIG. 12 to FIG. 15 , the side surface of the water surface bearing floating body disclosed in the fifth embodiment of the present invention is provided with a blow hole 1 which is specifically formed by the opening of the end portion of the blow tube, and is waterproof. The venting member is specifically a waterproof vent plug comprising a straight tube housing 17 and a waterproof gas permeable membrane 15, wherein the straight tube housing 17 has one end open and the other end closed, and the open end of the straight tube housing 17 and the blow tube With the fitting, the side wall of the straight tube housing 17 is provided with a vent hole 10, and the vent hole 10 is disposed adjacent to the closed end of the straight tube housing 17, as shown in Fig. 14, in the straight tube housing 17 mounted on the blow tube After the upper portion, the vent hole 10 should face downward to prevent rain or splashing water from falling into the straight tube housing 17, and the waterproof gas permeable membrane 15 is disposed in the straight tube housing 17, and is located in the vent hole 10 and the blow tube. between.

There are many cooperation modes between the blow molding tube and the straight tube housing 17, such as snapping, socketing, etc. In this embodiment, the blow molding tube and the straight tube housing are screwed, specifically, in the blow molding tube. An external thread is provided thereon. As shown in FIG. 13, the open end of the straight tube housing 17 is provided with an internal thread adapted to the external thread, and the blow tube is further provided with a position for defining the installation position of the straight tube housing 17. The anti-rotation buckle 16 is provided with an anti-rotation groove 18 adapted to the anti-rotation buckle 16 on the open end of the straight tube housing 17, as shown in FIG. 13 and FIG. After the anti-rotation buckle 16 contacts, the vent hole 10 is located at the bottom.

On this basis, in order to further optimize the solution, a waterproof ring 20 concentric with the straight tube housing 17 is disposed in the straight tube housing 17, as shown in FIG. 15, the outer wall of the waterproof ring 20 and the straight tube housing 17 The inner walls are connected by a connecting plate, and the waterproof ring 20, the connecting plate and the inner wall of the straight pipe casing 17 form a sealing ring groove, and the sealing ring groove is provided with a sealing ring matched with the blow molding pipe. The sealing property of the connection position is increased, and the arrangement of the waterproof ring 20 effectively increases the water blocking path, which further improves the sealing property of the joint portion, and the waterproof gas permeable membrane 15 is specifically disposed at the position of the waterproof ring 20, as shown in FIG. The stability of the waterproof gas permeable membrane 15 is improved, and the waterproof gas permeable membrane 15 is supported by the cross support plate 19.

A single surface-bearing floating body can only carry one photovoltaic power generation board. In order to form a photovoltaic power generation matrix, the water surface bearing floating body needs to be connected to each other to form a large bearing platform. Therefore, the four corners of the bottom of the water surface carrying floating body are provided. The connecting ear 7 is as shown in FIG. 4, FIG. 8 and FIG. 10 and FIG. 12, and the front, rear, left and right directions of any one of the water surface bearing floating bodies can be connected with other water surface bearing floating bodies. When the water surface bearing floating body is blow molded by high density polyethylene or other resin material, the connecting ear 7 can be integrally formed with the water surface carrying floating body.

The water surface bearing floating body of the photovoltaic panel provided by the present invention is described in detail above. The principles and implementations of the present invention have been described in the context of specific examples, and the description of the above embodiments is only intended to aid in understanding the method of the present invention and its core idea. It should be noted that those skilled in the art can make several modifications and changes to the present invention without departing from the spirit of the present invention. These modifications and modifications are also within the scope of the present invention.

01‧‧‧Blow molding hole
2‧‧‧ top surface
3‧‧‧Low support riser
4‧‧‧High support riser
5‧‧‧Installation tube
6‧‧‧Installation column
7‧‧‧Connected ear
8‧‧‧ snorkel
9‧‧‧ rain hat 檐
10‧‧‧ vents
11‧‧‧ Screw plug
12‧‧‧Waterproof and breathable microporous membrane
13‧‧‧S type elbow
14‧‧‧U-shaped elbow
15‧‧‧Waterproof breathable membrane
16‧‧‧Anti-rotation
17‧‧‧ straight tube housing
18‧‧‧Rotary groove
19‧‧‧cross support plate
20‧‧‧ Waterproof ring.

1 is a schematic structural view of a water surface bearing floating body in a normal state in the prior art; FIG. 2 is a schematic cross-sectional view of the water surface bearing floating body in FIG. 1; FIG. 3 is a schematic structural view of the water surface bearing floating body disclosed in FIG. 4 is a schematic structural view of a water surface bearing floating body disclosed in the first embodiment of the present invention (waterproofing member is not shown); FIG. 5 is a schematic structural view of a waterproof air venting member matched with the mounting pipe of FIG. 4; FIG. 7 is a schematic cross-sectional view of the waterproof ventilation member disclosed in FIG. 6; FIG. 8 is a schematic structural view of the water surface bearing floating body disclosed in the third embodiment of the present invention; 9 is a schematic structural view of the waterproof ventilation member disclosed in FIG. 8; FIG. 10 is a schematic structural view of the water surface bearing floating body disclosed in the fourth embodiment; FIG. 11 is a waterproof ventilation member disclosed in FIG. 12 is a schematic structural view of a water surface bearing floating body with a blow molding nozzle disclosed in the fifth embodiment; FIG. 13 is a schematic structural view of the blow molding nozzle of FIG. 14 is a schematic structural diagram of the fifth embodiment with the new blow nozzle and breathable waterproof plug; FIG. 15 is a cross-sectional view of FIG. 14.

Among them, 01 is the blow molding hole, 2 is the top surface, 3 is the low support vertical plate, 4 is the high support vertical plate, 5 is the installation pipe, 6 is the installation column, 7 is the connection ear, 8 is the vent pipe, 9 is the defense Rain hat 檐, 10 is vent hole, 11 is screw plug, 12 is waterproof and breathable microporous film, 13 is S-shaped elbow, 14 is U-bend, 15 is waterproof and breathable film, 16 is reversed, 17 is straight The tube casing, 18 is a spiral groove, 19 is a cross support plate, and 20 is a waterproof ring.

Claims (13)

A water surface carrying floating body of a photovoltaic panel, wherein the water surface carrying floating body is an inner hollow closed box structure, wherein the water surface carrying floating body is further provided with a cavity connecting the inner cavity thereof with the external atmosphere. Waterproof ventilation member. The water surface bearing floating body according to claim 1, wherein the water surface bearing floating body has a wedge shape. The water surface bearing floating body according to claim 1, wherein a top surface of the water surface bearing floating body is provided with a mounting pipe, the mounting pipe is upwardly convex on a top surface of the water surface bearing floating body and is The inner surface of the water bearing floating body communicates, the waterproof ventilation member includes a vent pipe fitted to the mounting pipe, and a rain cap 盖 disposed at a top end of the vent pipe, the vent pipe being close to the rainproof The position of the brim is provided with a vent hole. The water surface bearing floating body according to claim 3, wherein the mounting tube and the vent tube are screw-fitted, and any one of the mounting tube and the vent tube is provided with an external thread, and the other one is set With internal thread. The surface bearing floating body according to claim 3, wherein the rain cap is tapered. The water surface bearing floating body according to claim 1, wherein the top surface of the water surface bearing floating body is provided with an air outlet with an internal thread, the waterproof ventilation member is a waterproof venting plug, and the waterproof venting plug comprises: a screw plug having a cavity structure, the screw portion of the screw plug is provided with an external thread adapted to the air outlet, the nut side of the screw plug is provided with a vent hole; and a waterproof and breathable microporous film The waterproof and breathable microporous membrane is disposed in the cavity of the screw plug, and isolates the internal cavity of the plug into an upper cavity and a lower cavity, and the waterproof and breathable microporous membrane is lower than the ventilation hole. The water surface bearing floating body according to claim 1, wherein a top surface of the water surface bearing floating body is provided with a mounting pipe, the mounting pipe is upwardly convex on a top surface of the water surface bearing floating body and is The inner surface of the water bearing floating body communicates with the U-shaped elbow, one end of the U-shaped elbow is fitted with the mounting tube, and the other end of the U-shaped elbow is open downward The end of the gas. The water surface bearing floating body according to claim 7, wherein the air outlet end of the U-shaped elbow is further provided with a waterproof gas permeable membrane. The water surface bearing floating body according to claim 1, wherein a side of the water surface carrying floating body is provided with a blow hole, an internal thread is disposed in the blow hole, and the waterproof ventilation member is an S-shaped bent pipe. One end of the S-shaped elbow is connected to the blow hole by an external thread, and the opening at the other end faces downward. The water surface bearing floating body according to claim 1, wherein a side of the water surface carrying floating body is provided with a blow hole, the blow hole is located on the blow tube, and the waterproof ventilation member is a waterproof vent plug, The waterproof vent plug includes: a straight tube housing, one end of the straight tube housing is closed at the other end, and the open end of the straight tube housing is fitted with the blow tube, the side wall of the straight tube housing a vent hole is provided, and the vent hole is disposed adjacent to the closed end of the straight tube housing, the vent hole is facing downward after the straight tube housing is mounted on the blow tube; and a waterproof gas permeable membrane, The waterproof gas permeable membrane is disposed in the straight tube housing and located between the vent hole and the blow tube. The surface bearing floating body according to claim 10, wherein the blow tube is provided with an external thread, the open end of the straight tube housing is provided with an internal thread adapted to the external thread, and the blowing The plastic tube is further provided with a thread-stopping buckle for defining the installation position of the straight tube housing, and the open end of the straight tube housing is provided with a rotation-rotating groove adapted to the rotation-stopping buckle. The water surface bearing floating body according to claim 11, wherein the straight tube housing is further provided with a waterproof ring concentric with the straight tube housing, an outer wall of the waterproof ring and an inner wall of the straight tube housing. The waterproof ring, the connecting plate and the inner wall of the straight pipe casing form a sealing ring groove, and the sealing ring groove is provided with a sealing ring matched with the blowing pipe. The water surface bearing floating body according to claim 2, wherein a top surface of the water surface bearing floating body is a curved surface, and a central portion of the curved surface faces an internal recess of the floating surface carrying the floating body.