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Photovoltaic module formed by single battery pieces connected with diode in parallel

A technology of photovoltaic modules and diodes, which is applied in the direction of electrical components, electrical solid devices, circuits, etc., and can solve problems such as frequent occurrences, solder melting short circuits, etc.

Inactive Publication Date: 2017-06-13
福建龙夏电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solar cells are more likely to cause solder to melt when working in a high temperature environment, resulting in frequent short circuits

Method used

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  • Photovoltaic module formed by single battery pieces connected with diode in parallel
  • Photovoltaic module formed by single battery pieces connected with diode in parallel
  • Photovoltaic module formed by single battery pieces connected with diode in parallel

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Embodiment Construction

[0020] The specific implementation of the photovoltaic module with single-cell parallel-connected diodes provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] In the following specific embodiments, the first soldering strip is uniformly configured as a negative electrode grid, electrically connected to the negative grid line of the solar battery sheet, and the second soldering ribbon is configured as a positive electrode ribbon, connected to the positive grid of the solar cell sheet. The wire is electrically connected; the first electrode of the diode is configured as the positive pole, and the second electrode is configured as the negative pole.

[0022] In other specific implementation manners, the first welding ribbon can also be configured as a positive electrode ribbon, which is electrically connected to the positive electrode grid line of the solar battery sheet, and the second solder ribbon is configur...

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Abstract

Disclosed is a photovoltaic module formed by single battery pieces connected with at least one diode in parallel. The photovoltaic module comprises solar battery pieces, a first welding strip and a second welding strip, and at least one diode; a first electrode and a second electrode which are positioned on the opposite two surfaces of the diode are electrically connected with the first welding strip and the second welding strip respectively; the photovoltaic module also comprises a first insulating protective ring; the first insulating protective ring is arranged on the surface of the first electrode of the diode, and a cavity is formed between the first insulating protective ring and the first welding strip; and the cavity is filled with a conductive filler to ensure that the electrodes of the diode can be electrically connected with the external.

Description

technical field [0001] The invention relates to the field of solar cell modules, in particular to a photovoltaic assembly of single-cell parallel-connected diodes, which can be used in crystalline silicon cells (P-type, N-type) and corresponding components. Background technique [0002] Photovoltaic modules are usually formed by combining multiple solar cells in parallel or in series, and arranged in an array. For multiple solar cells or components connected in series, the current passing through them is determined by the solar cell or component with the smallest passing current capability. Therefore, when a solar cell or component is damaged or blocked, the current passing capacity of the cell will be reduced, resulting in reverse bias, and may be broken down by other normal working solar cells on the circuit. [0003] A common method in the prior art is to use a bypass diode in parallel at both ends of the solar cell module. When the solar cell module is damaged or blocke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/0443H01L31/05H01L23/00
Inventor 彭·詹姆斯宇
Owner 福建龙夏电子科技有限公司