Pushing holding device for solar cell infrared welding
A solar cell and holding device technology, which is applied in the direction of electric heating devices, auxiliary devices, welding equipment, etc., can solve the problems of high processing precision, high cost, battery damage, etc., and achieve the effect of controllable welding temperature and less damage
Active Publication Date: 2015-05-20
秦皇岛博硕光电设备股份有限公司
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Problems solved by technology
[0003] The object of the present invention is to provide a device with simple structure, low cost, and less likely to cause damage to solar cells, in view of the shortcomings of the prior art cell pressing and holding device, which have high processing precision, high cost, and are easy to cause damage to the cells. Press-down holding device for infrared welding of solar cells
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[0017] The present invention will be further described below in conjunction with accompanying drawing and embodiment:
[0018] Such as Figure 1-3 As shown, the pressing and holding device for infrared welding of solar cells of the present invention is composed of a light-transmitting substrate 1 and a convex lens 5 , and a convex lens groove 2 is provided on the upper surface of the light-transmitting substrate 1 . Opposite to the convex lens groove 2, a solder ribbon groove 4 is provided on the lower surface of the light-permeable substrate 1, and the convex lens 5 is fixedly arranged in the convex lens groove 2. When there are multiple convex lenses 5, the convex lens 5 follows the convex lens groove 2 set up. The light-transmitting substrate 1 is made of a material with good light-transmitting performance and high refractive index. The convex lens 5 is preferably a miniature focal length plano-convex lens, especially a miniature focal length plano-convex lens is made by a...
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The invention provides a pushing holding device for solar cell infrared welding. The pushing holding device solves the problems that cell pushing holding devices in the prior art are high in processing precision and high in cost and cells are damaged easily. The pushing holding device comprises a light-transmitting substrate and a convex lens, wherein a welding strip groove which is used for laying welding strips is arranged on the lower surface of the light-transmitting substrate, a convex lens groove which is used for containing the convex lens is arranged on the upper surface of the light-transmitting substrate and is opposite to the welding strip groove, and the convex lens is fixed in the convex lens groove. By the aid of the structure of the pushing holding device, a welding head is not required to contact with a cell, so that the cell is not damaged easily during welding; and the convex lens is used for condensation welding, convex lenses of different focal distances can be changed according to the required temperature, and the welding temperature can be controlled.
Description
technical field [0001] The invention relates to a pressing and holding device for infrared welding of solar cells, in particular to a pressing and holding device for infrared welding of solar cells used for welding battery sheets in an automatic string welding process of solar cells. Background technique [0002] The cell pressing and holding device used in the current automatic stringing process that is more common in the industry is a metal frame with a spring presser foot device, which requires high processing accuracy and complicated processes, resulting in increased manufacturing costs; and because the metal spring presser foot The mechanical stress of point contact with the cell is high, which is easy to cause damage to the thin cell. Contents of the invention [0003] The object of the present invention is to provide a device with simple structure, low cost, and less likely to cause damage to solar cells, in view of the shortcomings of the prior art cell pressing an...
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IPC IPC(8): B23K3/00B23K3/04B23K3/08
Inventor 侯伟路瑞亮程晓飞何川乔晓龙
Owner 秦皇岛博硕光电设备股份有限公司