Source: http://www.google.com/patents/US6655987?dq=6188988
Timestamp: 2014-11-26 07:54:12
Document Index: 717821594

Matched Legal Cases: ['art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 33', 'art 32', 'art 33']

Patent US6655987 - Terminal box apparatus for solar cell module - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA terminal box apparatus includes a box; a plurality of connection terminals connected to a plurality of lead frames extending from photoelectric conversion elements of the a solar cell module; a pair of output take-out module connection cables; and a plurality of bypass diodes extending across the adjacent...http://www.google.com/patents/US6655987?utm_source=gb-gplus-sharePatent US6655987 - Terminal box apparatus for solar cell moduleAdvanced Patent SearchPublication numberUS6655987 B2Publication typeGrantApplication numberUS 10/355,300Publication dateDec 2, 2003Filing dateJan 31, 2003Priority dateApr 10, 2002Fee statusPaidAlso published asCN1242490C, CN1450663A, DE10316231A1, US20030193322Publication number10355300, 355300, US 6655987 B2, US 6655987B2, US-B2-6655987, US6655987 B2, US6655987B2InventorsMakoto Higashikozono, Hiroyuki YoshikawaOriginal AssigneeSumitomo Wiring Systems, Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (4), Referenced by (27), Classifications (14), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetTerminal box apparatus for solar cell moduleUS 6655987 B2Abstract A terminal box apparatus includes a box; a plurality of connection terminals connected to a plurality of lead frames extending from photoelectric conversion elements of the a solar cell module; a pair of output take-out module connection cables; and a plurality of bypass diodes extending across the adjacent connection terminals respectively. Each of the bypass diodes has a bare chip diode and a pair of parallel lead plates disposed on an upper and lower surfaces of the bare chip diode and extended in opposite directions. Each of the lead plates has wide heat radiation parts respectively at an extended side thereof. Each of the heat radiation parts is soldered to heat radiation part receiving pieces projected from each of the connection terminals in a layered state.
SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problem. Accordingly, it is an object of the present invention to provide a terminal box apparatus for a solar cell module having improved durability and reliability for long-term service.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic plan view showing a terminal box apparatus according to a first embodiment of the present invention.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS The embodiments of the present invention will be described below with reference to drawings.
First Embodiment FIG. 1 shows a terminal box apparatus 20 for a solar cell module. As described previously, the terminal box apparatus 20 is disposed on the rear surface of the body of a solar cell module having solar cells (cell group) formed on its surface. The solar cells serve as photoelectric conversion elements electrically connected in series.
Second Embodiment FIG. 4 shows the bypass diode 30 of a second embodiment. Constituent parts of the second embodiment similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment and description thereof are omitted herein.
In the second embodiment, the projected part 32 b and the zigzag part 32 c are formed at the side of the lead plate 32 connected to the p-type region 31 b of the bare chip diode 31. Instead, the projected part 32 b and the zigzag part 32 c may be formed at the side of the lead plate 33 connected to the n-type region 31 c. Third Embodiment FIG. 5 shows a third embodiment. Constituent parts of the third embodiment similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment and description thereof are omitted herein.
The heat radiation plate 37 is interposed between the heat radiation part 32 a and the heat radiation part receiving piece 26 a and between the heat radiation part 33 a and the heat radiation part receiving piece 27 a. But the heat radiation plate 37 may be interposed between the heat radiation part 32 a and the heat radiation part receiving piece 26 a or between the heat radiation part 33 a and the heat radiation part receiving piece 27 a. Fourth Embodiment FIGS. 6 through 8 show a fourth embodiment. Constituent parts of the fourth embodiment similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment and description thereof are omitted herein.
Fifth Embodiment FIG. 9 shows the box 22 of a fifth embodiment. Constituent parts of the fifth embodiment similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment and description thereof are omitted herein.
Sixth Embodiment FIG. 11 shows the box 22 of a sixth embodiment. Constituent parts of the sixth embodiment similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment and description thereof are omitted herein.
In the sixth embodiment, the surface of the box 22 in contact with an air layer is covered with a metal cover 41, with the box 22 installed on the rear surface of the solar cell module. The cover 41 is made of a material, for example, �Kobe Honetsu� having a superior heat radiation emissivity over other typical steels. The cover 41 can be mounted on the box 22 by bending a locking piece 41 a thereof disposed at both side surfaces to the mounting surface 22 b of the box 22.
Seventh Embodiment FIG. 12 shows the box 22 of a seventh embodiment. Constituent parts of the seventh embodiment similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment and description thereof are omitted herein.
In the seventh embodiment, the entire outer surface of the box 22 is covered with a metal cover 42. Similarly to the sixth embodiment, the cover 42 is made of a material, for example, �Kobe Honetsu� having superior heat radiation properties. The cover 42 can be mounted on the box 22 by bending a locking piece 42 c disposed on one edge of a ceiling wall surface 42 a and a bottom wall surface 42 b along the side surface of the box 22.
Eighth Embodiment FIG. 13 shows an eighth embodiment. Constituent parts of the eighth embodiment similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment and description thereof are omitted herein.
Ninth Embodiment FIG. 14 shows a ninth embodiment. Constituent parts of the ninth embodiment similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment and description thereof are omitted herein.
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