CN-224215579-U - Photovoltaic photo-thermal assembly of pattern plate type heat absorbing plate

CN224215579UCN 224215579 UCN224215579 UCN 224215579UCN-224215579-U

Abstract

The utility model discloses a photovoltaic photo-thermal assembly of a pattern plate type heat absorbing plate, which comprises a lamination assembly, wherein the lamination assembly sequentially comprises an upper glass plate, a first adhesive layer, a battery piece, a second adhesive layer, a back plate, a third adhesive layer and a heat absorbing plate from top to bottom, a heat absorbing flow channel is arranged below the heat absorbing plate, a plurality of convex surfaces are arranged on one side of the heat absorbing plate, which faces the heat absorbing flow channel, the convex surfaces are distributed on the heat absorbing plate in an array manner, grooves which are communicated with each other are arranged between adjacent convex surfaces, and a frame is arranged on the outer periphery of the lamination assembly and the heat absorbing flow channel. By using the photovoltaic photo-thermal assembly, the heat absorbing plate is designed into a pattern plate pattern, namely, the pattern of staggered convex surfaces and grooves, and is divided into a plurality of independent thermal expansion units, so that the integral stress concentration of the heat absorbing plate is eliminated, and the problems of bending deformation of the laminated assembly and hidden cracking of the battery piece are avoided.

Inventors

XU ZESHAN
XU ZHIYUAN

Assignees

扬州市喜来太阳能科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250611

Claims (9)

1. The photovoltaic photo-thermal assembly of the pattern plate type heat absorbing plate is characterized by comprising a lamination assembly, wherein the lamination assembly sequentially comprises an upper glass plate, a first adhesive layer, a battery piece, a second adhesive layer, a back plate, a third adhesive layer and a heat absorbing plate from top to bottom, a heat absorbing flow channel is arranged below the heat absorbing plate, a plurality of convex surfaces are arranged on one side of the heat absorbing plate, facing the heat absorbing flow channel, of the heat absorbing plate, convex surface arrays are distributed on the heat absorbing plate in a staggered mode, grooves which are communicated with each other are formed between adjacent convex surfaces, and a frame is arranged on the outer side periphery of the lamination assembly and the heat absorbing flow channel.
2. The photovoltaic and photothermal module of a patterned sheet absorber plate of claim 1, wherein said backsheet is a glass sheet, a TPT sheet, or a KPK sheet.
3. The photovoltaic and photo-thermal module of a patterned sheet absorber plate of claim 1, wherein said first adhesive layer is a transparent EVA layer, said second adhesive layer is an EVA layer or a POE layer, and said third adhesive layer is an EVA layer or a POE layer.
4. The photovoltaic and photo-thermal module of a patterned sheet absorber plate of claim 1, wherein the depth of the grooves is greater than 0.5 times the thickness of the absorber plate, corresponding protrusions are formed on the other side of the absorber plate, the maximum straight length L1 of opposite sides of the protrusions is smaller than 200mm, the maximum straight length L2 of the grooves is smaller than 200mm, and the sum of the areas of the top surfaces of the protrusions of the absorber plate is greater than four times the sum of the areas of the bottom surfaces of the grooves of the absorber plate.
5. The photovoltaic and photo-thermal module of a patterned sheet type absorber plate according to claim 1, wherein the absorber plate is a thin cold-rolled metal sheet comprising a thin cold-rolled aluminum sheet, a thin cold-rolled iron sheet or a thin cold-rolled stainless steel sheet, the absorber plate has a thickness of 0.2-1mm, and the convex surface comprises a rectangular shape, a circular shape, a special shape or a combination thereof.
6. The photovoltaic and photo-thermal assembly of the pattern plate type heat absorbing plate according to claim 1, wherein the heat absorbing flow channel and the convex surface of the heat absorbing plate are directly fixedly connected or fixedly connected through an omega-shaped pressing strip, the omega-shaped pressing strip comprises a pipe groove with an omega-shaped section, symmetrical pressing edges are arranged on the left side and the right side of the pipe groove, the pipe groove is used for fixing the heat absorbing flow channel, and the pressing edges are used for being fixedly connected with the convex surface of the heat absorbing plate.
7. The photovoltaic and photo-thermal assembly of a patterned plate absorber plate of claim 6, wherein a heat conducting adhesive is coated between the flange and the convex surface of the absorber plate, and a heat conducting adhesive is filled between the inner wall of the tube groove and the heat absorbing flow channel.
8. The photovoltaic and photo-thermal assembly of the patterned plate type absorber plate of claim 1, wherein an insulation layer is arranged below the absorber flow channel and positioned on the inner side of the frame, the insulation layer is an insulation plate, an aerogel layer or insulation cotton, and the outer surface of the insulation cotton is wrapped with a metal shell.
9. The photovoltaic light and heat assembly of a checkered plate absorber plate of claim 1 wherein said absorber flow channel is an S-shaped flow channel or a grid-type flow channel.

Description

Photovoltaic photo-thermal assembly of pattern plate type heat absorbing plate Technical Field The utility model relates to the technical field of photovoltaic photo-thermal equipment, in particular to a photovoltaic photo-thermal assembly of a checkered plate type heat absorbing plate. Background The photovoltaic photo-thermal integrated plate realizes the dual functions of power generation and hot water generation, not only improves the power generation efficiency of the photovoltaic module, but also provides hot water and greatly improves the utilization efficiency of solar energy, however, the existing photovoltaic photo-thermal integrated plate also has the following problems: 1. In the traditional scheme, the photovoltaic module and the heat absorption plate are attached by the heat-conducting adhesive, but the construction process of the heat-conducting adhesive is labor-consuming and material-consuming, the adhesive layer coating is uneven, and the heat-conducting property is low, so that the heat transfer efficiency is limited, and the heat energy potential of the photovoltaic module cannot be fully exerted. 2. And the structural deformation and hidden cracking risk is that the linear expansion coefficients of the heat absorbing plate and the upper glass plate are obviously different in the integrated laminated photovoltaic photo-thermal assembly. When the temperature changes, the two materials generate stress difference due to thermal expansion and contraction, so that the laminated assembly is easy to bend and deform transversely or longitudinally, and further the battery piece is caused to be hidden and split, and the reliability and the service life of the assembly are seriously affected. 3. Limitations of the block structure in order to alleviate the deformation problem, the prior art has attempted to divide the monolithic absorber plate into a plurality of block combinations. However, deformation cannot be completely avoided even if the number of the blocks is too small, and the manufacturing cost is remarkably increased due to the increase of the number of the blocks, so that the economical efficiency and popularization value of the product are limited. Therefore, it is necessary to provide a photovoltaic photo-thermal module of a checkered plate type absorber plate to solve the above technical problems. Disclosure of utility model The utility model aims to overcome the defects in the prior art and provides a photovoltaic photo-thermal assembly of a pattern plate type heat absorbing plate, which avoids bending deformation of the heat absorbing plate and hidden cracking of a battery piece. In order to achieve the above purpose, the utility model adopts the following technical scheme: The utility model provides a photovoltaic photo-thermal assembly of pattern board formula absorber plate, includes the lamination subassembly, the lamination subassembly is from top to bottom including glass board, first glue film, battery piece, second glue film, backplate, third glue film and absorber plate in proper order, absorber plate below is equipped with the heat absorption runner, and absorber plate face is equipped with a plurality of convex surfaces towards one side of heat absorption runner, convex surface array staggered distribution is on the absorber plate, is equipped with the recess of mutual intercommunication between the adjacent convex surfaces, and the outside of lamination subassembly and heat absorption runner is enclosed and is equipped with the frame. Preferably, the back plate is a glass plate, a TPT plate or a KPK plate. Preferably, the first adhesive layer is a transparent EVA layer, the second adhesive layer is an EVA layer or a POE layer, and the third adhesive layer is an EVA layer or a POE layer. Preferably, the depth of the groove is greater than 0.5 times of the thickness of the heat absorbing plate, corresponding protrusions are formed on the other side of the heat absorbing plate, the maximum straight line length L1 of the opposite sides of the convex surfaces is smaller than 200mm, the maximum straight line length L2 of the groove is smaller than 200mm, and the sum of the areas of the top surfaces of the convex surfaces of the heat absorbing plate is greater than four times of the sum of the areas of the bottom surfaces of the convex surfaces of the heat absorbing plate. Preferably, the heat absorbing plate is a thin cold-rolled metal plate, comprising a thin cold-rolled aluminum plate, a thin cold-rolled iron plate or a thin cold-rolled stainless steel plate, the thickness of the heat absorbing plate is 0.2-1mm, and the convex surface comprises a rectangle, a circle, a special shape or a combination thereof. Preferably, the heat absorption flow channel is directly fixedly connected with the convex surface of the heat absorption plate or is fixedly connected through an omega-shaped pressing strip, the omega-shaped pressing strip comprises a pipe groove with an omega-shaped se