CN-224218753-U - Photovoltaic module lamination solidification production line

CN224218753UCN 224218753 UCN224218753 UCN 224218753UCN-224218753-U

Abstract

The utility model aims at providing a to prior art laminator and lamination process production cycle length, production efficiency is low not enough provides a photovoltaic module lamination curing production line, this kind of photovoltaic module lamination curing production line, including degasification unit, lamination curing unit and transmission unit, degasification unit is used for heating and pressurization under the vacuum environment to get rid of the bubble that produces when the viscose melts and the gas that remains between each layer of photovoltaic module, adopt the utility model discloses the photovoltaic module lamination curing production line of structure, owing to divide into pre-curing unit and curing unit with original lamination curing unit, pre-curing unit and curing unit have pre-curing chamber and curing chamber respectively, the subassembly is accomplished the pre-gluing in the pre-curing chamber and is linked the solidification at the curing intracavity, consequently can rationally distribute the process time, wholly shorten lamination curing time, improve the production beat.

Inventors

SHI LEI
ZHANG LIANG
WANG CHENYANG
LIU YIMAI
RAO XUHUA
WANG CHENXI
Duan Pengju
LI XIULING

Assignees

河北科技师范学院

Dates

Publication Date: 20260508
Application Date: 20250331

Claims (8)

1. The laminating and curing production line for the photovoltaic modules comprises a degassing unit, a laminating and curing unit and a transmission unit, wherein the degassing unit is used for heating and pressurizing the photovoltaic modules in a vacuum environment to remove bubbles generated when adhesive glue melts and gas reserved between layers of the photovoltaic modules, and the laminating and curing unit is characterized by comprising a pre-curing unit and a curing unit, the degassing unit, the pre-curing unit and the curing unit are sequentially arranged front and back, the pre-curing unit is used for providing the vacuum environment for the photovoltaic modules, heating the photovoltaic modules to enable the adhesive glue to achieve pre-bonding pre-curing and removing the gas remained in the photovoltaic modules through pressurization, the curing unit is used for heating the photovoltaic modules to enable the adhesive glue to complete bonding, the transmission unit is used for transmitting the photovoltaic modules degassed by the degassing unit to the pre-curing unit, transmitting the photovoltaic modules pre-bonded and pre-cured by the pre-curing unit to the curing unit, and transmitting the photovoltaic modules cured by the pre-curing unit after bonding curing by the pre-curing unit.
2. The laminated curing production line of the photovoltaic module, as set forth in claim 1, characterized in that the degassing unit and the pre-curing unit respectively comprise a laminating device, the laminating device comprises an upper box, a pressing part driving device, a workbench and a photovoltaic module heating device, the upper box is located above the workbench, the upper box can be driven by external force to move up and down so as to adjust the distance between the upper box and the workbench, the pressing part is located between the upper box and the workbench, the pressing part driving device is fixed by the upper box, the output end of the pressing part driving device is fixedly connected with the upper surface of the pressing part, the lower surface of the pressing part is opposite to the workbench, the upper box can move up and down under the driving of the external force, a sealing cavity is formed between the upper box and the workbench through a sealing component after the upper box is closed with the workbench, a communication structure used for communicating with the vacuum device and the inflating device is arranged on the sealing cavity, the sealing cavity is used for the degassing unit and is called a pre-curing cavity when the degassing unit is used for the pre-curing cavity, the curing unit comprises the upper box and the workbench can move up and down under the driving, the pressing part is fixed by the upper box, the pressing part is connected with the upper box is fixed with the workbench, the upper box is opposite to the upper box, the lower surface of the pressing part is opposite to the upper box, the upper box can move up and the upper box and the pressing part is opposite to the workbench through the upper box, the upper box and the workbench through the sealing cavity and the sealing cavity.
3. The laminated curing production line of the photovoltaic module, as set forth in claim 2, characterized in that the curing unit comprises more than two curing cavities, each curing cavity is arranged up and down to form a stacked structure, a lifting transmission device is arranged between the pre-curing unit and the curing unit, and the photovoltaic module transmitted by the pre-curing unit is transmitted into the curing cavities positioned at different layer heights through the lifting transmission device.
4. A photovoltaic module lamination curing line as set forth in claim 3, wherein the upper box of the curing chamber at the lower layer is fixedly connected or integrally provided with the workbench of the curing chamber at the upper layer.
5. The laminated curing production line of the photovoltaic module, as set forth in claim 1, characterized in that a feeding unit is arranged in front of the degassing unit, the feeding unit is provided with a heating device, the photovoltaic module can be heated, and the heated photovoltaic module is transmitted to the degassing unit.
6. The laminated curing production line of the photovoltaic module, as set forth in claim 5, wherein the feeding unit comprises a hot air cavity formed by a feeding transmission table and an upper box, the hot air cavity is communicated with the degassing cavity in a sealing way through a hot air circulation device, residual heat in the degassing cavity can be collected and conveyed to the heat sealing cavity through the hot air circulation device, and then the gas cooled by the heat sealing cavity is returned to the degassing cavity.
7. A laminated curing line for photovoltaic modules according to claim 3, characterized in that a cooling unit is arranged behind the curing unit, and a lifting transmission device is arranged between the cooling unit and the cooling unit, wherein the transmission parts of the lifting transmission device can lift or descend to receive photovoltaic modules positioned in curing cavities with different layer heights and transmit the photovoltaic modules to the cooling unit.
8. The laminated curing production line of the photovoltaic module according to claim 7, wherein a lifting transmission device is arranged behind the cooling unit and can transmit the photovoltaic module cooled and cured by the stacked cooling unit.

Description

Photovoltaic module lamination solidification production line Technical Field The utility model relates to the technical field of lamination of photovoltaic modules, in particular to a lamination curing production line of a photovoltaic module. Background The photovoltaic module generally comprises a substrate, a cover plate and a battery piece, wherein the battery piece is arranged between the substrate and the cover plate, and adhesive glue or glue is arranged between the battery piece and the substrate and between the battery piece and the cover plate and is used for bonding the substrate, the battery piece and the cover plate, and the bonding material commonly used at present is EVA glue wax. In order to firmly combine the base plate, the cover plate and the battery piece together, a laminating machine is adopted for heating, pressurizing and laminating, and bubbles among layers and gas released by the adhesive in the curing process are removed at the same time of laminating. At present, the lamination process of the photovoltaic module is that after the photovoltaic module is transmitted to the laminating machine, degassing is finished in a vacuum environment, the degassing stage is called as a degassing stage, and then the glue is cured by heating and pressurizing in the vacuum environment, and the lamination curing stage is called as a lamination curing stage. In the degassing stage, the photovoltaic module is heated to be in a melting state, and a laminating chamber of the laminated photovoltaic module is vacuumized while being vacuumized, pressurized and exhausted until bubbles generated after the glue is melted and bubbles among layers are basically exhausted, the process time is generally 4-6 minutes, in the laminating curing stage, the vacuum state is maintained, the vacuum state is heated and pressurized, the vacuum state is heated to the curing temperature of the adhesive glue and the pressure is maintained, and the layers are laminated together according to different glue, the curing time is different, and the general laminating time is about 10-25 minutes, so the total laminating time of the photovoltaic module is 14-30 minutes. The degassing and lamination curing of the photovoltaic module can be completed in the same chamber or in two different chambers, when the degassing and lamination curing are completed in two different chambers, the degassing is completed in one chamber, the lamination curing is completed in two chambers, the vacuum pumping and the pressurization in the degassing stage mainly discharge bubbles among layers, the vacuum pumping in the lamination curing stage mainly aims at discharging the bubbles which are not discharged, and the residual gas in the lamination chamber is prevented from entering the layers. The vacuum lamination curing time of the two-cavity lamination is longer, and the vacuum degassing needs to wait for the lamination process, so that the whole process is slow in beat and the whole production efficiency is low. With the same chamber lamination, the whole lamination time is longer, and the production efficiency is reduced. Disclosure of utility model The utility model aims to provide a laminating curing production line for a photovoltaic module, which aims at overcoming the defects of long production period and low production efficiency of a laminating machine and a laminating process in the prior art. The technical scheme for solving the technical problems is as follows: The laminating and curing production line for the photovoltaic modules comprises a degassing unit, a laminating and curing unit and a transmission unit, wherein the degassing unit is used for heating and pressurizing the photovoltaic modules in a vacuum environment to remove bubbles generated when the adhesive is melted and gas reserved between layers of the photovoltaic modules, the laminating and curing unit comprises a pre-curing unit and a curing unit, the degassing unit, the pre-curing unit and the curing unit are sequentially arranged front and back, the pre-curing unit is used for providing the vacuum environment for the photovoltaic modules, heating the photovoltaic modules to enable the adhesive to achieve pre-bonding pre-curing and removing the gas remained in the photovoltaic modules through pressurization, the curing unit is used for heating the photovoltaic modules to enable the adhesive to achieve bonding, the transmission unit is used for transmitting the photovoltaic modules degassed by the degassing unit to the pre-curing unit, transmitting the photovoltaic modules pre-bonded and pre-cured by the pre-curing unit to the curing unit, and transmitting the photovoltaic modules cured by the curing unit; The degassing unit and the pre-curing unit respectively comprise a laminating device, the laminating device comprises an upper box, a pressing part driving device, a workbench and a photovoltaic component heating device, the upper box is positioned above the workbench, the