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solar panel

A technology of solar panels and solar cells, applied in the field of solar panels, can solve the problems of large thermal expansion coefficient of protective cover and the like

Active Publication Date: 2020-09-11
TOYOTA IND CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such a protective cover has a larger coefficient of thermal expansion than a protective cover made of glass. Therefore, the above-mentioned problem is more prominent in a solar panel in which both the protective cover and the back cover are made of resin.

Method used

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  • solar panel
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] like figure 1 As shown, the solar panel of Embodiment 1 is equipped with: a protective cover 1, a plurality of solar cell units 3, a plurality of electrical conductors 5, a sealing material 7, two output wires 11 and figure 2 The rear housing 9 is shown. This solar panel is used in a vehicle not shown. Also, for ease of illustration, the figure 1 The illustration of a part of the protective cover 1 is omitted by dotted lines.

[0023] In this example, in figure 1 The direction displayed "left" is the left side of the solar panel. figure 1 The direction showing "right" is the right side of the solar panel, thereby specifying the left-right direction of the solar panel. In addition, in figure 1 The direction shown in "Front" is the front of the solar panel. figure 1 The direction showing "rear" in is the rear of the solar panel, thereby specifying the front and rear direction of the solar panel. Moreover, in figure 2 later, with figure 1 The orientation axes o...

Embodiment 2

[0053] like Figure 8 As shown, in the solar panel of the second embodiment, the boss 103a is not formed on the peripheral portion 103 of the shielding member 1b. In addition, in this solar panel, a silicone resin 21 is provided between the solar cell 3 and the back cover 9 . And, the solar cell 3 is fixed to the back cover 9 via the silicone resin 21 . In addition, the solar cell 3 may be fixed to the back cover 9 by means other than the silicone resin 21 . In addition, the solar cell 3 may be fixed to the cover body 1 a of the protective cover 1 , or the solar cell 3 may be fixed to the cover body 1 a and the rear cover 9 . That is, the solar cell 3 can be fixed to at least one of the cover main body 1 a and the rear cover 9 so as not to be displaced relative to at least one of the cover main body 1 a and the rear cover 9 . The other structures of this solar panel are the same as those of the solar panel of Example 1, and the same reference numerals are assigned to the sa...

Embodiment 3

[0056] like Figure 9 As shown, in the solar panel of Example 3, the first to third base portions 51 to 53 do not have the interconnector 17 . Accordingly, in this solar panel, the first and second base portions 51 and 52 are directly connected to one solar battery cell 3 via the first connection portion 501 . On the other hand, the third base portion 53 is not connected to the solar cell 3 . Other structures of the solar panel are the same as those of the solar panel in Embodiment 1.

[0057] In this solar panel, the first and second base portions 51, 52 of the conductor 5 are directly connected to one solar battery unit 3, and are fixed to the protective cover 1 via the boss 103a, so the corresponding solar battery unit 3 cannot Move left and right. On the other hand, the third base portion 53 can move in the left-right direction independently of the solar cell 3 . Therefore, when the terminal portion 11a of the output lead 11 moves to the left in a manner separated from...

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PUM

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Abstract

The present invention provides a solar panel. For a conductor of the solar panel, a first base part and a third base part are connected through a first connection part, and a second base part and a third base part are connected through a second connection part. The output wire has a terminal portion and an extension portion. The terminal portion extends in the first direction along the second surface of the back cover, and is connected to the third base portion from the side opposite to the solar cell. The extension portion is continuous with the terminal portion, and extends in the first direction toward the solar cell along the second back surface of the back cover. Each of the first connection portion and the second connection portion is elastically deformable in a first direction and a second direction intersecting the first direction.

Description

technical field [0001] The present invention relates to solar panels. Background technique [0002] A conventional solar panel is disclosed in JP-A-2017-34004. The solar panel includes a protective cover, a rear cover, a plurality of solar battery cells, a plurality of conductors, a sealing material, and a plurality of output wires. [0003] The protective cover is made of glass, and has translucency from the first surface to the first back surface of the protective cover. The back cover is made of resin, and has a second surface bonded to the sealing material and a second back surface opposite to the second surface. The back cover is formed with a plurality of through-holes which penetrate from the second surface of the back cover to the second back surface and through which a plurality of output leads can be respectively inserted. The plurality of solar cells are arranged in a grid along a first direction and a second direction intersecting the first direction. The plu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02S30/10H02S40/36
CPCH01L31/048H01L31/05H02S40/36Y02E10/50H01L31/02008H01L31/0201H01L31/02013H01L31/0508H01L31/049
Inventor 稻叶博隆坂部元哉绪方和义
Owner TOYOTA IND CORP