Solar cell turning mechanism

A technology of solar cells and flip mechanism, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as low work efficiency, adsorption failure, battery damage, etc., to achieve good flip, prevent damage, and prevent damage.
CN109698153AActive Publication Date: 2019-04-30TONGWEI SOLAR (ANHUI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TONGWEI SOLAR (ANHUI) CO LTD
Publication Date
2019-04-30

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Abstract

The invention discloses a solar cell turning mechanism comprising a front conveying belt and a back conveying belt which are disposed separately. A rotating shaft is arranged between the front conveying belt and the rear conveying belt, a plurality of mounting rods are fixedly connected to the rotating shaft, and one end of each of the mounting rods away from the rotating shaft is fixedly connected to a fixed plate. A clamping column is movably disposed in a placement hole, a power shaft is rotatingly inserted into a rotating slot, and the power shaft is fixedly sleeved with a torsion spring between side walls of the rotating slot. According to the invention, by using the rotating shaft with 360-degree rotation, the turning mechanism does not need to return to an original position after sucking and turning every cell, the working efficiency is improved, the process of turning the cell is accelerated, the solar cell turning mechanism is not affected by the dust of the cell, the cell canbe turned well, the damage to the cell is prevented, the practicability is high, and the solar cell turning mechanism is worth promoting.
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Description

technical field

[0001] The invention relates to the technical field of a photovoltaic module turning mechanism, in particular to a solar cell turning mechanism. Background technique

[0002] The monocrystalline PERC project needs to form a mirror surface on the back of the etched wafer to prepare for the back surface passivation (PERC) aluminum oxide plating to increase the short-circuit current. The formation of the back mirror needs to increase the corrosion depth on the back of the silicon wafer, so the The etching machine has undergone the transformation of the back throwing roller. After the monocrystalline silicon wafer is polished by etching acid, the back of the silicon wafer after back throwing forms a mirror surface. It is easy to produce EL belt marks when it contacts with the unloading belt. The machine is turned over 180° to change the contact mode, so that the front of the cell contacts the belt and reduces the EL belt mark. In order to improve the yield rate, ...

Claims

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