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CN-116588471-B - Photovoltaic module packaging device and preparation method thereof

CN116588471BCN 116588471 BCN116588471 BCN 116588471BCN-116588471-B

Abstract

The invention discloses a photovoltaic module packaging device and a preparation method thereof. The packaging box body of the photovoltaic module packaging device is prepared from a composite material, wherein the composite material comprises a biodegradable material and lignocellulose, and the mass ratio of the biodegradable material to the lignocellulose in the composite material is 95:5-60:40. The photovoltaic module packaging device is prepared from the composite material, wherein the composite material comprises the biodegradable material and lignocellulose, the mechanical property and the like of the packaging box body prepared from the composite material are excellent, the shock resistance, the wear resistance, the deformation resistance and the like of the packaging box body are all superior to those of a paper packaging box, the packaging box body has excellent rainwater erosion resistance, the photovoltaic module packaging device is used for packaging and transporting the photovoltaic module, the photovoltaic module can be effectively protected, and damage to the photovoltaic module in the transportation process is reduced or avoided.

Inventors

  • TANG TIAN
  • YAN DENGZHOU
  • XIA ZHENGYUE

Assignees

  • 通威太阳能（成都）有限公司

Dates

Publication Date
20260505
Application Date
20230626

Claims (14)

  1. 1. A photovoltaic module packaging device (10) is characterized by comprising a packaging box (100), wherein the packaging box (100) is prepared from a composite material, the composite material comprises a biodegradable material and lignocellulose, the mass ratio of the biodegradable material to the lignocellulose in the composite material is 95:5-60:40, the biodegradable material is subjected to modification treatment, the biodegradable material is placed into an open double-roller machine to be mixed for at least 2min, a modifier is added, the molar mass ratio of the biodegradable material to the modifier is 1:1-1:4, an antioxidant with a mass fraction of 1% -5% is added after mixing for at least 1min, a silane coupling agent with a mass fraction of 1% -15% is added after mixing for at least 1min, the lignocellulose is subjected to reaction for 10 min-15 min, the lignocellulose is soaked and stirred for at least 3h by an alkali solution with a mass concentration of 5% -30%, sodium hypochlorite aqueous solution with an equivalent amount is added, the cellulose is washed with deionized water until the cellulose is neutral.
  2. 2. The photovoltaic module packaging device (10) according to claim 1, wherein the packaging box (100) comprises a first cover body (101), a second cover body (102) and a box body (103), the box body (103) is provided with a first opening and a second opening, the first cover body (101) is used for being covered on the first opening to realize opening or closing the first opening, and the second cover body (102) is used for being covered on the second opening to realize opening or closing the second opening.
  3. 3. The photovoltaic module packaging device (10) according to claim 2, wherein the case (103) has a hollow columnar structure with two open ends, and the two ends of the case (103) are respectively formed with the first opening and the second opening.
  4. 4. The photovoltaic module packaging device (10) according to any one of claims 1 to 3, wherein the photovoltaic module packaging device (10) further comprises a corner protection component (200), the corner protection component (200) is disposed inside the packaging box (100), the corner protection component (200) is disposed at least one corner in the packaging box (100), and the corner protection component (200) is made of the composite material.
  5. 5. The photovoltaic module packaging device (10) according to any one of claims 1 to 3, wherein the photovoltaic module packaging device (10) further comprises a buffer layer, at least part of the packaging box body (100) is in a double-layer hollow structure, the buffer layer is filled in the double-layer hollow structure, the buffer layer is made of a foaming material, and the foaming material is formed by foaming the composite material.
  6. 6. The photovoltaic module packaging device (10) according to any one of claims 1 to 3, wherein the biodegradable material comprises one or more of polylactic acid, polybutylene terephthalate-adipate, polyhydroxyalkanoate, polycaprolactone, and polybutylene succinate.
  7. 7. The photovoltaic module packaging device (10) according to any one of claims 1 to 3, wherein the lignocellulose comprises one or more of corncob meal, sisal fiber, sugar palm fiber, pine fiber and rubber wood flour.
  8. 8. A method of manufacturing a photovoltaic module packaging device (10), comprising the steps of: Modifying the biodegradable material, mixing the biodegradable material in an open double-roller machine for at least 2min, adding a modifier, mixing the biodegradable material and the modifier for at least 1min, adding an antioxidant with a mass fraction of 1% -5%, mixing for at least 1min, adding a silane coupling agent with a mass fraction of 1% -15%, and reacting for 10 min-15 min; Soaking and stirring lignocellulose for at least 3 hours by using alkali solution, adding sodium hypochlorite aqueous solution with the mass concentration of 5% -30% of the alkali solution, fully reacting, washing the lignocellulose by using deionized water until the lignocellulose is neutral, and adding a silane coupling agent into the treated lignocellulose for modification treatment; Extruding and granulating the modified biodegradable material and the modified lignocellulose to obtain a composite material, wherein the mass ratio of the biodegradable material to the lignocellulose in the composite material is 95:5-60:40; The composite material is used for preparing the photovoltaic module packaging device (10) comprising the packaging box body (100).
  9. 9. The method for producing the photovoltaic module packaging device (10) according to claim 8, wherein the modifier used in the modification treatment of the biodegradable material comprises one or more of pyromellitic anhydride, pyromellitic acid, trimellitic anhydride, trimellitic acid, naphthalene tetracarboxylic anhydride, naphthalene tetracarboxylic acid, cyclopentane tetracarboxylic dianhydride, and cyclopentane tetracarboxylic acid.
  10. 10. The method for manufacturing a photovoltaic module packaging device (10) according to any one of claims 8 to 9, characterized in that when a silane coupling agent is added to the lignocellulose after treatment for modification treatment, the silane coupling agent comprises one or more of KH550, KH560 and KH 570.
  11. 11. The method for manufacturing the photovoltaic module packaging device (10) according to any one of claims 8 to 9, wherein the composite material is further subjected to a press vulcanization treatment, the press vulcanization treatment is performed at a temperature of 180 ℃ to 200 ℃ and a pressure of 15mpa to 20mpa.
  12. 12. The method for manufacturing the photovoltaic module packaging device (10) according to any one of claims 8 to 9, characterized in that extrusion granulation is performed in an extruder, and the temperature during extrusion granulation is controlled to be 170 ℃ to 190 ℃.
  13. 13. The method for manufacturing a photovoltaic module packaging device (10) according to any one of claims 8 to 9, further comprising the step of performing a performance test on the composite material obtained by the manufacturing.
  14. 14. The method of manufacturing a photovoltaic module packaging device (10) according to claim 13, wherein the performance testing comprises testing a dumbbell-shaped tensile test specimen made of the composite material and testing a rectangular impact test specimen made of the composite material.

Description

Photovoltaic module packaging device and preparation method thereof Technical Field The application relates to the technical field of photovoltaics, in particular to a photovoltaic module packaging device and a preparation method thereof. Background In the field of photovoltaic modules, most of photovoltaic modules are transported by using packaging boxes, the packaging boxes play a role in protecting the modules, and the reliability and stability of the packaging boxes directly relate to the safety of the modules and the problem of whether the modules are damaged in the transportation process. The current general packaging box is a paper packaging box, the paper packaging box is made of paper boards, the paper packaging box is easy to deform under the impact of external force, the photovoltaic components in the packaging piece can be damaged when serious, and in addition, the paper packaging box is extremely easy to damage and deform under the conditions of rainwater and humidity, so that the transportation is influenced, and the photovoltaic components are damaged when serious. Disclosure of Invention Based on this, to the paper packing box that uses in the photovoltaic module transportation among the conventional art easily takes place to warp under receiving external force impact, can damage the problem of photovoltaic module in the packing piece when serious to and the paper packing box extremely fragile warp, influence the transportation under rainwater, humid environment, damage the problem of photovoltaic module when serious, it is necessary to provide a photovoltaic module packing plant. The photovoltaic module packaging device disclosed by the invention has the advantages of better shock resistance, better wear resistance and better deformation resistance, and after the photovoltaic module is packaged by adopting the photovoltaic module packaging device disclosed by the invention, the safety of the photovoltaic module can be better ensured in the transportation process. An embodiment of the application provides a photovoltaic module packaging device. The packaging box body is made of a composite material, the composite material comprises a biodegradable material and lignocellulose, and the mass ratio of the biodegradable material to the lignocellulose in the composite material is 95:5-60:40. In some embodiments, the packaging box comprises a first cover body, a second cover body and a box body, wherein the box body is provided with a first opening and a second opening, the first cover body is used for being covered on the first opening to open or close the first opening, and the second cover body is used for being covered on the second opening to open or close the second opening. In some embodiments, the box body is a hollow columnar structure with two open ends, and the two open ends of the box body respectively form the first opening and the second opening. In some embodiments, the photovoltaic module packaging device further comprises a corner protection component, wherein the corner protection component is arranged inside the packaging box body, and at least one corner in the packaging box body is provided with the corner protection component, and the corner protection component is made of the composite material. In some embodiments, the photovoltaic module packaging device further comprises a buffer layer, at least part of the packaging box is of a double-layer hollow structure, the buffer layer is filled in the double-layer hollow structure, the buffer layer is made of a foaming material, and the foaming material is formed by foaming the composite material. In some embodiments, the biodegradable material comprises one or more of polylactic acid, polybutylene terephthalate-adipate, polyhydroxyalkanoate, polycaprolactone, and polybutylene succinate. In some of these embodiments, the lignocellulose includes one or more of corncob meal, sisal fibers, sugar palm fibers, pine fibers, and rubber wood flour. The embodiment of the application also provides a preparation method of the photovoltaic module packaging device. The preparation method of the photovoltaic module packaging device comprises the following steps: Preparing a composite material by adopting a biodegradable material and lignocellulose, wherein the mass ratio of the biodegradable material to the lignocellulose in the composite material is 95:5-60:40; and preparing the packaging box body by adopting the composite material. In some of these embodiments, the method of making the composite material comprises the steps of: modifying the biodegradable material; Sequentially carrying out alkali solution treatment and sodium hypochlorite aqueous solution treatment on lignocellulose, and adding a silane coupling agent into the lignocellulose after treatment for modification treatment; Extruding and granulating the modified biodegradable material and the modified lignocellulose to obtain the composite material. In some embodiments, when the li