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Circuit layout structure of solar cell array

A solar cell array and solar cell technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of increasing the length and weight of cables, and achieve the effect of reducing the length and weight

Active Publication Date: 2014-08-06
SHANGHAI INST OF SPACE POWER SOURCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The circuit layout structure of this solar cell array is affected by the centralized arrangement of isolation diodes, and the cables often need to be bent many times, which increases the length and weight of the cables.

Method used

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  • Circuit layout structure of solar cell array
  • Circuit layout structure of solar cell array
  • Circuit layout structure of solar cell array

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1: as Figure 10 As shown, two upper and lower rows of solar cell strings are arranged on the front of the substrate 31, and four cable bundles are arranged on the back of the substrate, and the cable bundles are composed of multiple wires. The upper row of solar battery strings 32 corresponds to the cable bundles 335 and 336. One end of the cable bundle 335 is connected in series with the isolation diode 34 and passes through the small hole 36 to connect to the output end of the solar battery string. The other end of the cable bundle 335 is connected to the solar battery array drive mechanism. To connect, one end of the cable bundle 336 is connected to the output end of the solar battery string through the small hole, and the other end of the cable bundle 336 is connected to the solar battery array driving mechanism. For the next row of solar battery strings, use the same method to realize the circuit connection.

Embodiment 2

[0041] Embodiment 2: as Figure 11 As shown, solar battery strings 32 are arranged on the front side of the substrate 31, and every two adjacent solar battery strings are connected in series to form a "U"-shaped battery string through a jumper connecting piece 37, and the positive and negative output terminals of the "U"-shaped battery string are all located on the upper end of the substrate 31 . A bundle of cables 33 is arranged on the back of the substrate. The cable bundle is composed of flat wire cores. One end of the flat wire cores is connected to the solar cell string, and the other end is connected to the solar cell array drive mechanism through an inter-board cable 35 . Two flat cores form a group, one of which bypasses the edge of the substrate and is directly connected to the output end of the "U"-shaped battery string, and the other is connected in series with the isolation diode 34 and then bypasses the edge of the substrate and the output end of the "U"-shaped ba...

Embodiment 3

[0042] Embodiment 3: as Figure 12As shown, a solar cell string 32 and an isolation diode 34 are arranged on the front surface of the substrate 31 , and the isolation diode 34 is connected in series at one end of the solar cell string 32 . Two cable bundles 335 and 336 are arranged on the back side of the substrate, and the cable bundles are made of flat wire cores. One end of the cable bundle 335 bypasses the edge of the substrate 31 and is connected to the isolation diode 34, and the other end is directly connected to the solar cell array drive mechanism; one end of the cable bundle 336 is connected to the output end of the solar cell string by bypassing the edge of the substrate 31, and the other end is directly connected to the solar cell array drive mechanism. Connect with the solar array drive mechanism.

[0043] Compared with the prior art, the circuit layout structure of the present invention adopts the scattered arrangement of isolation diodes, and the main part of t...

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Abstract

The invention relates to a circuit layout structure of a solar cell array. The circuit layout structure of the solar cell array comprises a long-bar-shaped solar cell string, cable bunches and isolating diodes. The long-bar-shaped solar cell string is arranged on the front face of a substrate of the solar cell array in the direction perpendicular to the spreading direction of a solar wing. The cable bunches are arranged on the back face of the substrate in the direction parallel to the spreading direction of the solar wing, and the cable bunches are close to the positions of the positive output end and the negative output end of the solar cell string. The isolating diodes are arranged on the substrate and are connected with the cable bunches in series.

Description

[0001] technical field [0002] The invention relates to power supply technology in the aerospace field, in particular to a circuit layout structure of a solar cell array. Background technique [0003] Most of the spacecraft are powered by solar cell arrays, and the electric energy generated by the solar cell strings on the solar cell array is transmitted to the interior of the spacecraft through cables for use by the spacecraft. The isolation diodes of the traditional solar cell array are concentrated on a printed circuit board. The cables use multi-strand wires. The cables are bundled into bundles and fixed on the back of the substrate. The output end of the battery string is connected, the other end is connected with the driving mechanism of the solar cell array, and the isolation diode is connected in series with the cable. [0004] Because the circuit layout structure of the solar cell array is affected by the centralized arrangement of isolation diodes, the cable...

Claims

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Application Information

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IPC IPC(8): H01L31/042
CPCY02E10/50
Inventor 雷刚王训春陈萌炯程志君刘智韦祎
Owner SHANGHAI INST OF SPACE POWER SOURCES
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