CN213585683U - Drainage desilting device suitable for photovoltaic cell panel and photovoltaic cell panel - Google Patents

Abstract

The utility model provides a drainage desilt device suitable for photovoltaic cell board, include: the photovoltaic cell panel comprises a water guide piece and a partition piece, wherein the partition piece is installed on the inner surface of the water guide piece, so that a gap is formed between the water guide piece and a photovoltaic cell panel frame to form a drainage and desilting channel; the water guide piece comprises a water guide piece upper part, a water guide piece lower part and a water guide piece side part, and the water guide piece side part is connected with the water guide piece upper part and the water guide piece lower part; or the water guide piece only comprises a water guide piece upper part and a water guide piece side part, and the water guide piece upper part is connected with the water guide piece side part; the width of the partition is not greater than the width of the water guide. The utility model discloses an install the internal surface at water guide for it forms the drainage desilting passageway and the width of separator is not more than the width of water guide to have the clearance between water guide and the photovoltaic cell board frame, can realize the technological effect of the automatic drainage desilting of photovoltaic cell board, and can effectively protect the separator not receive the morals and manners, increase of service life.

Description

Drainage desilting device suitable for photovoltaic cell panel and photovoltaic cell panel

Technical Field

The utility model relates to a photovoltaic power generation system technical field especially relates to a drainage desilt device and photovoltaic cell board suitable for photovoltaic cell board.

Background

Photovoltaic panels, i.e. photovoltaic modules, generally comprise a laminate and a frame, the laminate being made of a cell, a packaging material, a transparent front sheet such as glass, a back sheet, etc., and is usually mounted in a groove of a plastic or metal frame (more commonly an aluminum frame).

The upper surface of a commonly used frame is higher than the upper surface of a front plate of the photovoltaic cell panel, so that when the inclination angle of the photovoltaic cell panel is low, water, dust and the like can be gathered at the lower edge of the cell panel, and the generated energy is reduced due to the fact that the sunlight irradiates the surface of the cell panel.

At present, the common method is to adopt a direct cleaning method to remove the deposited dust and mud belt at the lower edge frame of the battery panel, so the operation is time-consuming and labor-consuming, the waste water is generated, and the operation content and the operation and maintenance cost are increased.

Through search, patent document CN209170292U discloses a drainage device for a photovoltaic power generation panel, comprising: the guide piece is provided with an abutting surface and a guide surface which are connected with each other; the binding surface comprises a first binding part and a second binding part, the surface of the first binding part is intersected with the surface of the second binding part, the guide surface comprises a first guide part and a second guide part, the first guide part is connected with the first binding part, the extending direction of the first guide part and the surface of the first binding part form an obtuse angle, the second guide part is connected with the second binding part, and the extending direction of the second guide part and the surface of the second binding part form an obtuse angle; the fixing piece is provided with a first connecting portion and a second connecting portion, and the guide piece is made of a material with wettability. The prior art has the disadvantages that the prior art separately arranges the guide piece and the clamping piece, increases the cost and is not beneficial to smooth drainage; the material setting of guide is lower at the life of drainage desilting in-process, and guide portion is after the weather exposure rain and easy ageing, if can not reach to change the generating efficiency of overstocked muddy water and can influence the photovoltaic electroplax. In the prior art, the inner surface of the guide part is coated with hydrophilic paint, so that the guide part is easily worn away in the assembling and using processes, and the drainage and sludge removal functions are also influenced.

Therefore, the problem that how to more efficiently remove water and dust gathered at the lower edge frame of the battery panel so that the normal transmission of the generated energy is urgent to solve is solved.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a drainage desilt device and photovoltaic cell board suitable for photovoltaic cell board.

According to the utility model provides a pair of drainage desilt device suitable for photovoltaic cell board, include: the photovoltaic cell panel comprises a water guide piece and a partition piece, wherein the partition piece is installed on the inner surface of the water guide piece, so that a gap is formed between the water guide piece and a photovoltaic cell panel frame to form a drainage and desilting channel;

the water guide piece comprises a water guide piece upper part, a water guide piece lower part and a water guide piece side part, and the water guide piece side part is connected with the water guide piece upper part and the water guide piece lower part; or the water guide piece only comprises a water guide piece upper part and a water guide piece side part, and the water guide piece upper part is connected with the water guide piece side part; the width of the partition is not greater than the width of the water guide.

Preferably, the included angle between the side part of the water guide and the surface of the upper part of the water guide and the included angle between the side part of the water guide and the surface of the lower part of the water guide are both between 60 and 120 degrees.

Preferably, the width of the water guide upper portion, the width of the water guide lower portion, and the width of the water guide side portion can be the same or different.

Preferably, the connection between the water guide side portion and the water guide upper portion is in a right angle state or an arc shape.

Preferably, the partition is integrally connected to the inner surfaces of the upper part of the water guide, the side part of the water guide, and the lower part of the water guide.

Preferably, the partitions are installed at inner surfaces of the upper part of the water guide, the side part of the water guide, and the lower part of the water guide, respectively.

Preferably, the partition is located at any position of the inner surface of the water guide.

Preferably, the isolating piece is made of an insulating material, and the surface resistance of the isolating piece is not less than half of the surface resistance between any two contact points of the solar panel frame and the drainage and desilting device suitable for the photovoltaic solar panel.

Preferably, when the drainage desilting device suitable for the photovoltaic cell panel is in an operating state, the contact between the drainage desilting device suitable for the photovoltaic cell panel and water and the gap between the drainage desilting device suitable for the photovoltaic cell panel and the cell panel frame destroy the surface tension between the water and the cell panel surface glass and the cell panel frame, and guide the water to flow along the water guide piece and the gap between the water guide piece and the cell panel frame, thereby guiding the water flow to flow out from the surface of the photovoltaic cell panel over the cell panel frame.

Preferably, the water guide is made of a hydrophilic material.

According to the utility model provides a pair of photovoltaic cell board still contains foretell drainage desilt device that is applicable to photovoltaic cell board.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a drainage desilt device suitable for photovoltaic cell board, include: the solar photovoltaic cell panel comprises a water guide piece and a partition piece, wherein the partition piece is installed on the inner surface of the water guide piece, a gap is formed between the water guide piece and a photovoltaic cell panel frame, a drainage and desilting channel is formed, the width of the partition piece is not larger than that of the water guide piece, the technical effect of automatic drainage and desilting of the photovoltaic cell panel can be achieved, the partition piece can be effectively protected from weathering, and the service life is prolonged.

2. The utility model discloses a only set up the water guide into including water guide upper portion and water guide lateral part, when can realizing the drainage desilting effect, can also practice thrift the material of water guide, reduce cost.

3. The utility model discloses an adopt insulating material to separator or water guide, can protect the insulating properties of photovoltaic cell board's frame can not destroyed to fully protect photovoltaic cell board's generating efficiency.

4. The utility model discloses a make hydrophilic nature with water guide itself, avoided only covering hydrophilic coating on the surface and easily be worn and torn in the use afterwards and lead to the drainage performance to descend.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a water guide having an upper portion, a side portion and a lower portion according to the present invention;

fig. 2 is a schematic structural view of a water guide having an upper portion and a partial side portion according to the present invention;

FIG. 3 is a schematic view of the present invention showing the installation of a water guide having an upper portion, a side portion and a lower portion on the rim of the module;

FIG. 4 is a schematic view of the present invention showing a water deflector having upper and side portions mounted on the frame of the assembly;

FIG. 5 is a schematic view of a variation of the shape of the side of the water guide of the present invention;

fig. 6 is a schematic view illustrating another variation of the shape of the side portion of the water guide according to the present invention;

fig. 7 is a schematic view illustrating the combination of the water guide and the first separator according to the present invention;

fig. 8 is a schematic view of the combination of the water guide and the second partition according to the present invention;

FIG. 9 is a schematic view of the combination of the water guide and a strip-shaped spacer according to the present invention;

FIG. 10 is a schematic view of the combination of the water guide and two strip spacers of the present invention;

FIG. 11 is a schematic view of the combination of the water guide and the plurality of strip spacers according to the present invention;

FIG. 12 is a schematic view of the present invention showing the water deflector having a partition on both the upper part and the side part;

fig. 13 is a first combination diagram of a water guide and a spacer according to still another variation of the shape of the side portion of the water guide of the present invention;

fig. 14 is a schematic view of a second combination of a water guide and a spacer according to still another variation of the shape of the side portion of the water guide of the present invention;

fig. 15 is a third combination view of a water guide and a spacer according to still another variation of the shape of the side portion of the water guide of the present invention;

FIG. 16 is a schematic view of the connection of the water guiding member with screw hole and the frame of the assembly, wherein the water guiding member has an upper portion and a partial side portion;

fig. 17 is a schematic view of the hole of the water guiding member having an upper portion and a partial side portion, which is connected to the frame of the module by screws or rivets according to the present invention.

In the figure:

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

As shown in fig. 1 to 4, according to the utility model provides a pair of drainage desilting device suitable for photovoltaic cell board, including water guide and separator, wherein, the separator is installed the internal surface of water guide for it forms drainage desilting passageway to have the clearance between water guide and the photovoltaic cell board frame.

Further, the water guide comprises a water guide upper part 1, a downward bent part 2 of the upper edge of the water guide, an inner surface 3 of the side part of the water guide, a side part 4 of the water guide, an outer surface 5 of the side part of the water guide, a lower part 6 of the water guide, an upper surface 9 of the lower part of the water guide, an upper lower surface 10 of the water guide and a lower surface 11 of the lower part of the water guide, wherein the side part 4 of the water guide is connected with the water guide upper part 1 and the lower part; the upper part 1 of the water guide piece, the side part 4 of the water guide piece, the lower part 6 of the water guide piece and the isolating piece can be fixed on the frame of the photovoltaic cell panel through chemical or physical methods such as bonding, riveting, welding, screws and the like, and can also be directly clamped on the frame of the photovoltaic cell panel together with the isolating piece, or the isolating piece can bond the water guide piece with the frame of the photovoltaic cell panel, or the isolating piece can be used as a screw or a riveting piece to connect the water guide piece with the frame of the photovoltaic cell panel.

The photovoltaic cell panel frame comprises an assembly frame upper surface 7 and an assembly frame outer side surface 8, the upper portion 1 of the water guide piece is installed on the assembly frame upper surface 7, and at the installed position, the water guide piece can cover the assembly frame upper surface 7 mostly or completely or exceed the plane portion of the assembly frame upper surface 7.

Further, as shown in fig. 7 to 13, the thickness diameter of the spacer is between 0.1mm and 10mm, and the spacer is mounted on the inner surface of the water guide, or is a continuous strip, and penetrates through the inner surfaces of the water guide upper portion 1, the water guide side portion 4 and the water guide lower portion 6; or in one or more separate sections, located on the inner surface of the water guide to ensure that the upper lower surface 10 of the water guide is spaced from the upper surface 7 of the component frame and does not directly contact.

The partition piece is arranged on the inner surface of the water guide piece or is positioned in the middle of the inner surface, and gaps between the water guide piece and the photovoltaic cell panel frame are formed on two sides of the partition piece; or one spacer on each side of the inner surface, or multiple spacers spaced apart on the inner surface, or a combination thereof. And forming a gap between the water guide and the photovoltaic cell panel frame at the position without the partition.

Still further, the width of the water guide side portion 4, the width of the water guide upper portion 1, and the width of the water guide lower portion 6 are the same or different. As shown in fig. 5 and 6, the shape of the water guide side portion 4 is varied, and may be smaller than the width of the water guide upper portion 1 from the connection with the water guide upper portion 1, or smaller than the width of the water guide upper portion 1 after a certain distance downward from the water guide upper portion 1, or may be hollow, several strips, etc. instead of a whole block.

Furthermore, the side part 4 of the water guide element is connected with the upper part 1 and the lower part 6 of the water guide element, a gap is reserved between the side part and the side surface of the photovoltaic cell panel frame, and the included angle between the side part and the upper part 1 or the lower part 6 of the water guide element is 60-120 degrees; the corner of the junction between the water guide side part 4 and the water guide upper part 1 or the water guide lower part 6 is either an obvious turning line or a smooth transition such as an arc-shaped corner.

It is not excluded that the surfaces of the water guide and the separator are coated with an insulating coating to increase the insulation resistance or surface resistance of the water guide and the separator.

Modification example 1:

the water guide includes only a water guide upper portion 1 and a water guide side portion 4, and the water guide upper portion 1 is connected to the water guide side portion 4. Further, the water guide upper part 1 or the water guide side part 4 and the spacer can be fixed on the photovoltaic cell panel frame by chemical or physical methods such as bonding, riveting, welding, screwing and the like, or the spacer itself can bond the water guide upper part 1 or the water guide side part 4 with the photovoltaic cell panel frame, or the spacer itself serves as a screw or a riveting member to connect the water guide upper part 1 or the water guide side part 4 with the cell panel frame.

The side part 4 of the water guide piece is connected with the upper part 1 of the water guide piece, a gap is reserved between the side part and the side surface of the frame of the photovoltaic cell panel, and the included angles between the side part and the upper part 1 of the water guide piece are respectively 60-120 degrees; the corner of the junction of the water guide side part 4 and the water guide upper part 1 is either a sharp turning line or a smooth transition such as an arc corner.

As shown in fig. 14-17, the thickness diameter of the spacer is between 0.1mm-10mm, and the spacer is arranged on the inner surface of the water guide or is a continuous strip which penetrates through the inner surfaces of the upper part 1 and the side part 4 of the water guide; or in one or more separate sections, located on the inner surface of the water guide to ensure that the upper lower surface 10 of the water guide is spaced from the upper surface 7 of the component frame and does not directly contact.

The partition piece is arranged on the inner surface of the water guide piece or is positioned in the middle of the inner surface, and gaps between the water guide piece and the photovoltaic cell panel frame are formed on two sides of the partition piece; or one spacer on each side of the inner surface, or multiple spacers spaced apart on the inner surface, or a combination thereof. And forming a gap between the water guide and the photovoltaic cell panel frame at the position without the partition.

Modification 2:

if the upper surface 7 of the component frame is bent downwards or chamfered towards the surface of the glass plate, the area of the upper part 1 of the water guide part, which exceeds the upper surface 7 of the component frame, is simply extended from the part of the water guide part above the upper surface 7 of the component frame, or is bent downwards or upwards along with the downward bending or chamfering of the upper edge of the frame.

If the upper part 1 of the water guide element exceeds the upper surface 7 of the assembly frame and bends downwards, namely the upper edge of the water guide element bends downwards at the part 2, the water guide element cannot contact with the glass surface on the front surface of the battery panel.

Modification 3:

if water guide spare lateral part internal surface 3 and photovoltaic cell panel frame side direct contact: the water guide piece is made of an insulating material; either one of the spacer or the water guide member, or the whole of the spacer and the water guide member formed according to the connection structure described in the present application has a certain insulation property, and the volume resistance or surface resistance (the resistance from the upper surface 7 of the frame of the module to the contact point of the side surface of the frame of the module and the water guide member through the spacer) should be not less than 50% of the surface resistance of the frame of the cell panel (the surface resistance from the contact point of the upper surface of the frame and the spacer to the contact point of the side surface of the frame and the side portion of the water guide member), and preferably not less than 100% of the surface resistance of the frame of the cell panel.

If the upper surface 9 of the lower part of the water guide piece is in direct contact with the lower surface of the frame of the photovoltaic cell panel: the water guide piece is made of an insulating material; either one of the spacer or the water guide member, or the whole of the spacer and the water guide member formed according to the connection structure described in the present application has a certain insulation property, and the volume resistance or the surface resistance (the resistance from the upper surface 7 of the frame of the module to the contact point between the lower surface of the frame of the module and the water guide member through the water guide member via the spacer) should be not less than 50% of the surface resistance of the frame of the cell panel (the surface resistance from the contact point between the upper surface of the frame and the spacer to the contact point between the lower surface of the frame and the upper surface 9 of the lower portion of the water guide member), and preferably not less than 100% of the surface resistance of the frame of the cell.

Modification example 4:

the partition piece can be directly placed or adhered to the inner surface of the water guide piece through an adhesive material, or a groove is formed in the inner surface of the water guide piece, part of the thickness of the partition piece is embedded in the groove in the inner surface of the water guide piece, and the other part of the thickness of the partition piece is exposed out of the inner surface of the water guide piece, so that the partition of the water guide piece and the cell panel frame is formed.

Corresponding to the shape of the isolating piece, the water guide piece can be directly fixed on the battery panel frame through the isolating piece by opening a hole, a groove and a thread on the battery panel frame. The separator shape can include a round bar type or a semicircular bar type separator 12, a cylindrical type separator 13, a belt-shaped or sheet-shaped separator 14, a belt-shaped or sheet-shaped separator 15.

The solar panel frame is designed into shapes such as a groove, a hole and a threaded hole, the solar panel frame is additionally provided with clamping pieces, screws, welding materials and the like in corresponding shapes, the water guide piece is directly fixed on the surface of the solar panel frame, and the clamping pieces, the screws, the welding materials and other accessories serve as the isolating piece in the application.

Modification example 5:

the isolating piece is a part of the upper part of the water guide piece, a bulge is formed on the inner surface of the upper part 1 of the water guide piece, so that a gap is formed between the inner surface outside the bulge part of the water guide piece and the cell panel frame, and the water guide piece and the cell panel frame are connected and fixed through a clamping piece, a screw and the like which are matched with the gap in corresponding shapes.

The preferred embodiment is as follows:

based on the above embodiment, the material that can be adopted by the water guide includes metal, ceramic, alloy, etc., and the most preferable is an aluminum alloy material.

Based on the above embodiment, the thickness diameter of the spacer is optimally chosen to be between 1mm and 3 mm.

Based on the above embodiment, the water guide side part 4 connects the water guide upper part 1 and the water guide lower part 6, there is a gap with the side surface of the photovoltaic cell panel frame, and the included angle between the water guide side part 4 and the water guide upper part 1 or the water guide lower part 6 is optimally 85-95 degrees or forms a right angle.

Based on the above embodiments, the spacer is made of plastic, rubber, thermoplastic elastomer, spring, wood, cork, fiber, metal, nonmetal such as stone, some kind of closed liquid or gas, etc., and is characterized by having a certain rigidity or elasticity and a certain thickness, and being capable of separating the inner side surface of the water guide member from the outer side surface of the cell panel frame.

Based on above-mentioned embodiment, the utility model discloses a make hydrophilic nature with water guide itself, avoided only covering hydrophilic coating on the surface and easily be worn and torn in the use afterwards and lead to the drainage performance to descend.

The working principle is as follows:

when using, the water guide piece can be through self clamping force or through bonding, welding, the riveting, the joint, mode such as screwed connection is fixed in on photovoltaic cell panel's the frame, it has part or whole clearance to keep between water guide piece and the panel frame, when there is the water gathering on the photovoltaic cell panel surface, contact through drainage desilt device and water, and the clearance between drainage desilt device and the panel frame, destroy the surface tension between water and panel surface glass and the frame, and guide water along the water guide piece and the clearance between water guide piece and the panel frame flows, thereby guide rivers from photovoltaic cell panel surface over the battery board frame and flow.

The mud or other impurities accumulated near the frame of the solar panel and on the surface of the glass can be simultaneously taken away by the continuous flow of the water, so that the accumulated water on the surface of the photovoltaic cell panel flows away as far as possible, the originally accumulated mud or other impurities near the frame are as little as possible, and the re-accumulation of the mud or other impurities is also avoided as far as possible. The gap between the water guide piece and the cell panel frame is as large as possible so as to avoid the gap from being blocked as much as possible.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (9)

1. The utility model provides a drainage desilt device suitable for photovoltaic cell board which characterized in that includes: a water guide member and a partition member,

the isolating piece is arranged on the inner surface of the water guide piece, so that a gap is formed between the water guide piece and the photovoltaic cell panel frame to form a drainage and desilting channel;

the water guide piece comprises a water guide piece upper part (1), a water guide piece lower part (6) and a water guide piece side part (4), and the water guide piece side part (4) is connected with the water guide piece upper part (1) and the water guide piece lower part (6);

or the water guide only comprises a water guide upper part (1) and a water guide side part (4), and the water guide upper part (1) is connected with the water guide side part (4);

the width of the partition is not greater than the width of the water guide.

2. The water draining and mud removing device for photovoltaic cell panels as claimed in claim 1, wherein the angle between the side of the water guiding member (4) and the surface of the upper part of the water guiding member (1) and the angle between the side of the water guiding member (4) and the surface of the lower part of the water guiding member (6) are both between 60 ° and 120 °.

3. The water draining and mud removing device for photovoltaic cell panel as claimed in claim 1, wherein the width of the upper part of the water guiding member, the width of the lower part of the water guiding member and the width of the side part of the water guiding member can be the same or different.

4. The device for draining and removing mud for photovoltaic panels according to claim 1, characterized in that the connection of the lateral water guide (4) with the upper water guide (1) is in a right angle or arc shape.

5. A draining and desliming device suitable for photovoltaic panels according to claim 1, characterized in that said spacer is mounted on the inner surface of the upper part (1) of the water guide.

6. The drainage and desilting device for photovoltaic cell panels as defined in claim 1, wherein the spacer is made of an insulating material, and the surface resistance of the spacer is not less than half of the surface resistance between any two non-adjacent contact portions of the cell panel frame and the drainage and desilting device for photovoltaic cell panels.

7. The drainage and desilting device for photovoltaic cell panels as set forth in claim 1, wherein when the drainage and desilting device for photovoltaic cell panels is in operation, the contact of the drainage and desilting device for photovoltaic cell panels with water and the gap between the drainage and desilting device for photovoltaic cell panels and the cell panel frame destroy the surface tension between water and the cell panel surface glass and the cell panel frame, and guide the water to flow along the water guide and the gap between the water guide and the cell panel frame, thereby guiding the water flow from the surface of the photovoltaic cell panel to flow over the cell panel frame.

8. The water draining and mud removing device for photovoltaic cell panel as claimed in claim 1, wherein the water guiding member is made of hydrophilic material.

9. A photovoltaic cell panel comprising a drainage desliming device suitable for use in a photovoltaic cell panel according to any one of claims 1 to 8.

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