CN207720087U - Solar junction box triad photovoltaic module - Google Patents
Solar junction box triad photovoltaic module Download PDFInfo
- Publication number
- CN207720087U CN207720087U CN201721750797.2U CN201721750797U CN207720087U CN 207720087 U CN207720087 U CN 207720087U CN 201721750797 U CN201721750797 U CN 201721750797U CN 207720087 U CN207720087 U CN 207720087U
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- China
- Prior art keywords
- diode
- chip
- copper sheet
- pin
- copper base
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model is related to a kind of solar junction box triad photovoltaic modules,Including mutually independent first diode,Second diode,Third diode,First diode,Second diode,Third diode includes respectively pin copper sheet,Chip copper base,Diode chip for backlight unit,Diode chip for backlight unit is welded on chip copper base,Diode chip for backlight unit is formed by conducting wire and pin copper sheet lower end and is connected,The gap of 0.8mm -1mm width is remained between pin copper sheet and chip copper base,Pin copper sheet lower end forms notch,Chip copper base forms the extension stretched into notch,Diode chip for backlight unit is welded on extension,The lower end of pin copper sheet includes tilting section,Vertical section,Horizontal segment,Tilting section is in bottom,The width of tilting section is 2 2.5mm,The width of vertical section is 3 3.5mm,The maximum width of chip copper base lower end is 15 16mm.By the layout for rationalizing diode internal structure, so that the size of diode becomes smaller and maintains preferable heat dissipation performance.
Description
Technical field
The utility model is related to a kind of solar junction box triad photovoltaic modules.
Background technology
Common solar junction box photovoltaic module majority is monoblock type, and such structure is not easy to the maintenance in later stage, to
There is split type photovoltaic module, but since there are unreasonable layout, the rulers of photovoltaic module for photovoltaic module internal structure
Very little larger and heat dissipation performance cannot be guaranteed.
Utility model content
In view of the above technical problems, the purpose of this utility model be to provide it is a kind of it is reasonable for structure, size is small and maintain compared with
The solar junction box triad photovoltaic module of good thermal diffusivity.
The technical scheme for implementing the utility model is as follows：
Solar junction box triad photovoltaic module, including mutually independent first diode, the second diode list
Member, third diode, first diode, the second diode, third diode include respectively drawing
Foot copper sheet, chip copper base, diode chip for backlight unit, diode chip for backlight unit are welded on chip copper base, and diode chip for backlight unit passes through conducting wire
It is formed and is connected with pin copper sheet lower end, the whole height that plastic packaging is formed is 18-19.5mm, width 23-24mm, under pin copper sheet
End, chip copper base lower end and diode chip for backlight unit plastic packaging form entirety, and the upper end of pin copper sheet, the upper end of chip copper base are used as
Wiring, chip copper base upper end and the upper end conduction of pin copper sheet in the second diode in the first diode connect
It connecing, the second diode chips copper base upper end and the upper end of pin copper sheet in third diode are conductively connected, the
The first terminals are extended in the lower end of pin copper sheet in one diode, and third diode chips copper base lower end is prolonged
The second terminals are stretched out,
The gap of 0.8mm -1mm width is remained between pin copper sheet and chip copper base, pin copper sheet lower end forms scarce
Mouthful, chip copper base forms the extension stretched into notch, and the diode chip for backlight unit is welded on extension, the pin copper
The lower end of piece includes tilting section, vertical section, horizontal segment, and tilting section is in bottom, and tilting section is in 45 ° to chip copper base direction
It tilts, the upper end of tilting section is connect with vertical section, and the upper end of vertical section is connect with horizontal segment, in the inside of tilting section, vertical section
Inside, horizontal segment inside between form above-mentioned notch, the width of the tilting section is 2-2.5mm, the width of vertical section
Maximum width for 3-3.5mm, chip copper base lower end is 15-16mm.
Further, the diode chip for backlight unit is connect by conducting wire with the vertical section of pin copper sheet lower end.
Above-mentioned technical proposal is used, (notch and is prolonged by the layout of rationalizing diode internal structure
The arrangement of extending portion and the size of each position) so that the size of diode becomes smaller and maintains preferable thermal diffusivity
Energy.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of without creative work, all belongs to
In the range of the utility model protection.
As shown in Figure 1, solar junction box triad photovoltaic module, including mutually independent first diode 1,
Two diodes 2, third diode 3, the first diode, the second diode, third diode are each
From including pin copper sheet 4, chip copper base 5, diode chip for backlight unit 6, diode chip for backlight unit is welded on chip copper base, diode core
Piece is formed by aluminum conductor 7 and pin copper sheet lower end and is connected, pin copper sheet lower end, chip copper base lower end and diode chip for backlight unit modeling
Envelope forms entirety, and the whole 8 height A of the plastic packaging that plastic packaging is formed are 18mm or 19mm or 19.5mm, and width B is 23mm or 24mm, is drawn
The upper end of foot copper sheet, the upper end of chip copper base are used as wiring, the chip copper base upper end and second in the first diode
The upper end of pin copper sheet is conductively connected by busbar 17 in diode, the second diode chips copper base upper end
It is conductively connected by busbar with the upper end of pin copper sheet in third diode, pin copper sheet in the first diode
The first terminals 9 are extended in lower end, and the second terminals 10 are extended in third diode chips copper base lower end.
The gap 11 of 0.8mm -1mm width is remained between pin copper sheet and chip copper base, guarantee has therebetween
Rational insulation distance, pin copper sheet lower end form the notch 12 of the rectangular lower taper in top, and chip copper base is formed to notch
The extension 13 inside stretched into, extension structure are adapted with notch geometry, to further increase heat dissipation area, diode chip for backlight unit weldering
It is connected on extension, the lower end of pin copper sheet includes tilting section 14, vertical section 15, horizontal segment 16, and tilting section is in bottom, inclines
Oblique section is tilted in 45 ° to chip copper base direction, and the upper end of tilting section is connect with vertical section, and upper end and the horizontal segment of vertical section connect
It connects, the connection between vertical section upper end and horizontal segment forms bending, in the inside of tilting section, the inside of vertical section, horizontal segment
Inside between form above-mentioned notch, the width C of tilting section is 2mm or 2.5mm, and the width D of vertical section is 3mm or 3.5mm,
The maximum width E of chip copper base lower end is 15mm or 15.5mm or 16mm.
Diode chip for backlight unit is connect by aluminum conductor with the vertical section of pin copper sheet lower end, and diode chip for backlight unit is substantially at plastic packaging
Whole centre position, by the setting of extension, makes the copper-based board size of the chip in plastic packaging to reduce the use length of conducting wire
Increase, so as to the heat dissipation area that increases diode chip for backlight unit, (heat generated in the diode chip for backlight unit course of work, passes through chip
Copper base is to external diffusion), to accelerate the diffusion of heat.
Using triad photovoltaic module, also there is following advantage：Three diodes can be as needed position into
Row is installed respectively, need not be due to the setting of integral type, and is needed to be attached using longer busbar and be focused on a certain
Point is fixedly mounted；Freestanding diode, when some needs maintenance, replaces, it is only necessary to be individually replaced, without entirety
Property replacement, reduce maintenance work, reduce maintenance cost, and with better heat dissipation performance (when integral type, both sides diode list
Phase counterdiffusion between the heat meeting generated in member and intermediate diode unit, causes heat dissipation performance poor).
Claims (2)
1. solar junction box triad photovoltaic module, which is characterized in that including mutually independent first diode, second
Diode, third diode, first diode, the second diode, third diode are each
From including pin copper sheet, chip copper base, diode chip for backlight unit, diode chip for backlight unit is welded on chip copper base, diode chip for backlight unit
It is formed and is connected by conducting wire and pin copper sheet lower end, pin copper sheet lower end, chip copper base lower end and diode chip for backlight unit plastic packaging shape
Integral, the whole height that plastic packaging is formed is 18-19.5mm, width 23-24mm, the upper end of pin copper sheet, chip copper base
Upper end be used as wiring, the chip copper base upper end in the first diode in the second diode pin copper sheet it is upper
End is conductively connected, and the second diode chips copper base upper end and the upper end of pin copper sheet in third diode are conductive
It connects, the first terminals are extended in the lower end of pin copper sheet in the first diode, and third diode chips are copper-based
The second terminals are extended in plate lower end,
The gap of 0.8mm -1mm width is remained between pin copper sheet and chip copper base, pin copper sheet lower end forms notch,
Chip copper base forms the extension stretched into notch, and the diode chip for backlight unit is welded on extension, the pin copper sheet
Lower end include tilting section, vertical section, horizontal segment, tilting section is in bottom, and tilting section inclines in 45 ° to chip copper base direction
Tiltedly, the upper end of tilting section is connect with vertical section, the upper end of vertical section is connect with horizontal segment, in the inside of tilting section, vertical section
Inside, horizontal segment inside between form above-mentioned notch, the width of the tilting section is 2-2.5mm, and the width of vertical section is
The maximum width of 3-3.5mm, chip copper base lower end are 15-16mm.
2. solar junction box triad photovoltaic module as described in claim 1, which is characterized in that the diode chip for backlight unit is logical
Conducting wire is crossed to connect with the vertical section of pin copper sheet lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721750797.2U CN207720087U (en) | 2017-12-14 | 2017-12-14 | Solar junction box triad photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721750797.2U CN207720087U (en) | 2017-12-14 | 2017-12-14 | Solar junction box triad photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207720087U true CN207720087U (en) | 2018-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721750797.2U Active CN207720087U (en) | 2017-12-14 | 2017-12-14 | Solar junction box triad photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207720087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134574A (en) * | 2017-12-14 | 2018-06-08 | 常州星海电子股份有限公司 | Solar junction box triad photovoltaic module |
-
2017
- 2017-12-14 CN CN201721750797.2U patent/CN207720087U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134574A (en) * | 2017-12-14 | 2018-06-08 | 常州星海电子股份有限公司 | Solar junction box triad photovoltaic module |
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