CN209282222U - A kind of circuit connection structure of imbrication component - Google Patents
A kind of circuit connection structure of imbrication component Download PDFInfo
- Publication number
- CN209282222U CN209282222U CN201822157616.6U CN201822157616U CN209282222U CN 209282222 U CN209282222 U CN 209282222U CN 201822157616 U CN201822157616 U CN 201822157616U CN 209282222 U CN209282222 U CN 209282222U
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- Prior art keywords
- connection structure
- trapezoidal
- hole
- circuit connection
- cell piece
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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
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Abstract
The utility model discloses a kind of circuit connection structures of imbrication component, special-shaped busbar is electrically connected by it with cell piece, the abnormity busbar is in long strip, it is provided with several trapezoidal protrusions at equal intervals in the side of confluence band body, each trapezoidal protrusion is equipped with through-hole, and protrusion and through-hole cooperatively form solder joint;The cell piece is square, is equidistantly equipped on its positive bottom edge edge and prints pad point, the position of the printing pad point and solder joint is correspondingly arranged;Printing pad point and solder joint pass through welding and form electric connection structure.The utility model is Chong Die with the printing pad point of cell piece by special-shaped busbar pad, and cell piece printing pad point is printed with silver paste, and special-shaped busbar pad applies fluxing agent or tin cream, not only can be reduced shading-area, but also can guarantee good Ohmic contact.
Description
Technical field
The utility model relates to imbrication assembly circuit design field, the circuit connection structure of specifically a kind of imbrication component.
Background technique
As industry is to the continuous demand of high power component, imbrication component technology because unique design and high efficiency by
Extensive concern, a line photovoltaic module manufacturer are also continually developing novel imbrication assembly circuit design.Consider component overall current
With voltage output, the design of mainstream imbrication assembly circuit is as depicted in figs. 1 and 2: a, as shown in Figure 1,2 transverse directions 6 are series-parallel after, then
Series connection;B, as shown in Fig. 2, longitudinal 6 is series-parallel.Specific mentality of designing are as follows: directly held in the mouth after being sliced cell piece using conducting resinl
Two panels cell piece is connect, is superimposed and is bonded together, then cell piece is connected in series and parallel, this design is conducive to electricity without welding
Pond piece utilization rate and power ascension.
As shown in Figure 3 and Figure 4, traditional imbrication component cathode traces connection design is given, for the electricity for increasing monolithic module
Pond piece utilizes area, and busbar is welded in cell piece back electrode, then carries out confluence connection again;Though such design promotes battery
Piece utilizes area, but causes last a piece of cell piece that can only play the supporting body of connection circuit, rather than connects in circuit, can not
Power generation.
Utility model content
The application is directed to the problem of background technique, proposes a kind of circuit connection structure of imbrication component, based on existing
There is the imbrication technology of mainstream to carry out double optimization, optimizes cell piece type-setting mode, while promoting cell piece comprehensive utilization ratio.
Technical solution:
A kind of circuit connection structure of imbrication component, special-shaped busbar is electrically connected by it with cell piece, specific:
The abnormity busbar is in long strip, is provided with several trapezoidal protrusions at equal intervals in the side of confluence band body,
Each trapezoidal protrusion is equipped with through-hole, and protrusion and through-hole cooperatively form solder joint;
The cell piece is square, is equidistantly equipped with printing pad point, the printing pad on its positive bottom edge edge
The position of point and solder joint is correspondingly arranged;
It is printed with silver paste on the printing pad point of cell piece, fluxing agent or tin cream are applied on the solder joint of special-shaped busbar,
Printing pad point and solder joint pass through welding and form electric connection structure.
Preferably, the bottom of the trapezoidal protrusion is structure as a whole with confluence band body, thereon the prominent confluence band body in bottom
Side.
Preferably, the width of the confluence band body is 2.5~4.5mm, and with a thickness of 0.08~1.2mm, adjacent trapezoidal is convex
The center spacing risen is 14~14.5mm.
Preferably, a height of 2~3mm of the trapezoidal protrusion, upper bottom width are 2.5~3mm, are isosceles trapezoid, base angle size
It is 60 °~70 °.
Preferably, the shape of the through-hole and trapezoidal protrusion is similar fitgures, through-hole and the trapezoidal same symmetry axis of protrusion, through-hole
Bottom be overlapped with the bottom of trapezoidal protrusion, a height of 1~2mm of through-hole.
Preferably, each rounding of angle angle of the through-hole and trapezoidal protrusion is 0.5~1.5mm.
Preferably, the printing pad point is flat.
Preferably, the printing pad point is trapezoidal.
The beneficial effects of the utility model
The utility model is Chong Die with the printing pad point of cell piece by special-shaped busbar pad, and cell piece prints pad point print
Brushed with silver paste, special-shaped busbar pad applies fluxing agent or tin cream, not only can be reduced shading-area, but also can guarantee good Europe
Nurse contact.It can get effect in detail below after tested:
1, component cell piece utilization rate increases, and last a piece of cell piece can realize power generation;
2, component output power increases, and output voltage increases;
3, because of last a piece of cell piece, it is connected in circuit, which can be tested by EL can detect last a piece of battery
The bad phenomenons such as piece fragmentation, crack.
Detailed description of the invention
Fig. 1 is the first mainstream imbrication assembly circuit design structure diagram in background technique
Fig. 2 is second of mainstream imbrication assembly circuit design structure diagram in background technique
Fig. 3 is cathode traces design structure diagram in background technique
Fig. 4 is busbar and cell piece amplification assumption diagram in Fig. 3
Fig. 5 is the cathode traces structure chart of the utility model
Fig. 6 is busbar and cell piece amplification assumption diagram in Fig. 5
Fig. 7 is the special-shaped bus-bar structure schematic diagram of the utility model
Fig. 8 is the cell piece structural schematic diagram of the utility model
Fig. 9 is special-shaped busbar cun schematic diagram in embodiment
Figure 10 is enlarged drawing at A in Fig. 9
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail, but the protection scope of the utility model is not limited to
This:
In conjunction with figure 5-8, a kind of circuit connection structure of imbrication component, special-shaped busbar is carried out electricity with cell piece 4 by it
Connection, specific:
As shown in fig. 7, the abnormity busbar is in long strip, if being provided at equal intervals in the side of confluence band body 1
It does trapezoidal raised 2, each trapezoidal raised 2 and is equipped with through-hole 3, protrusion 2 and through-hole 3 cooperatively form solder joint;
As shown in figure 8, the cell piece 4 is square, it is equidistantly equipped with printing pad point 5 on its positive bottom edge edge,
The printing pad point 5 and the position of solder joint are correspondingly arranged;In the present embodiment, the printing pad point 5 is flat.Preferably,
The printing pad point 5 is trapezoidal.
As shown in Fig. 5-Fig. 6, it is printed with silver paste on the printing pad point 5 of cell piece 4, on the solder joint of special-shaped busbar
Fluxing agent or tin cream are applied, printing pad point 5 and solder joint pass through welding and form electric connection structure.
Trapezoidal raised 2 bottom is structure as a whole with confluence band body 1, thereon the one of the prominent confluence band body 1 in bottom
Side.
In conjunction with Fig. 9-Figure 10, the width of the confluence band body 1 is 2.5~4.5mm, adjacent with a thickness of 0.08~1.2mm
Trapezoidal raised 2 center spacing is 14~14.5mm.
Trapezoidal raised 2 a height of 2~3mm, upper bottom width be 2.5~3mm, be isosceles trapezoid, base angle size be 60 °~
70°。
The through-hole 3 and trapezoidal raised 2 shape are similar fitgures, through-hole 3 and trapezoidal raised 2 same symmetry axis, through-hole 3
Bottom is overlapped with trapezoidal raised 2 bottom, a height of 1~2mm of through-hole 3.
The through-hole 3 and trapezoidal raised 2 each rounding of angle angle be 0.5~1.5mm.
The utility model can get effect in detail below:
1, component cell piece utilization rate increases, and last a piece of cell piece can realize power generation;
2, component output power increases, and output voltage increases;
3, because of last a piece of cell piece, it is connected in circuit, which can be tested by EL can detect last a piece of battery
The bad phenomenons such as piece fragmentation, crack.
In embodiment, further provides the welding manner of printing pad point 5 and solder joint: electric iron manual welding can be used
Or the automatic weldings mode such as Contact welding, infrared bonding, magnetic discharge welding.Welding parameter are as follows: 350 DEG C ± 15 DEG C of electric iron temperature, bottom plate temperature
Degree: 50 ± 10 DEG C.
Specific embodiment described herein is only to illustrate to the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of circuit connection structure of imbrication component, it is characterised in that the same cell piece of special-shaped busbar (4) is electrically connected,
It is specific:
The abnormity busbar is in long strip, is provided with several trapezoidal protrusions at equal intervals in the side of confluence band body (1)
(2), each trapezoidal raised (2) are equipped with through-hole (3), and raised (2) and through-hole (3) cooperatively form solder joint;
The cell piece (4) is square, is equidistantly equipped with printing pad point (5), the printing on its positive bottom edge edge
Pad point (5) and the position of solder joint are correspondingly arranged;
It is printed with silver paste on the printing pad point (5) of cell piece (4), fluxing agent or tin are applied on the solder joint of special-shaped busbar
Cream, printing pad point (5) and solder joint form electric connection structure by welding.
2. the circuit connection structure of imbrication component according to claim 1, it is characterised in that under trapezoidal raised (2)
Bottom is structure as a whole with confluence band body (1), thereon the side of prominent confluence band body (1) in bottom.
3. the circuit connection structure of imbrication component according to claim 1, it is characterised in that confluence band body (1)
Width is 2.5~4.5mm, and with a thickness of 0.08~1.2mm, the center spacing of adjacent trapezoidal protrusion (2) is 14~14.5mm.
4. the circuit connection structure of imbrication component according to claim 3, it is characterised in that the height of trapezoidal raised (2)
For 2~3mm, upper bottom width is 2.5~3mm, is isosceles trapezoid, and base angle size is 60 °~70 °.
5. the circuit connection structure of imbrication component according to claim 4, it is characterised in that the through-hole (3) with it is trapezoidal convex
The shape for playing (2) is similar fitgures, through-hole (3) and trapezoidal raised (2) same to symmetry axis, the bottom of through-hole (3) and trapezoidal raised (2)
Bottom be overlapped, a height of 1~2mm of through-hole (3).
6. the circuit connection structure of imbrication component according to claim 5, it is characterised in that the through-hole (3) and trapezoidal convex
Each rounding of angle angle for playing (2) is 0.5~1.5mm.
7. the circuit connection structure of imbrication component according to claim 1, it is characterised in that the printing pad point (5) is
It is flat.
8. the circuit connection structure of imbrication component according to claim 7, it is characterised in that the printing pad point (5) is
It is trapezoidal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822157616.6U CN209282222U (en) | 2018-12-21 | 2018-12-21 | A kind of circuit connection structure of imbrication component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822157616.6U CN209282222U (en) | 2018-12-21 | 2018-12-21 | A kind of circuit connection structure of imbrication component |
Publications (1)
Publication Number | Publication Date |
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CN209282222U true CN209282222U (en) | 2019-08-20 |
Family
ID=67612609
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CN201822157616.6U Active CN209282222U (en) | 2018-12-21 | 2018-12-21 | A kind of circuit connection structure of imbrication component |
Country Status (1)
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CN (1) | CN209282222U (en) |
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2018
- 2018-12-21 CN CN201822157616.6U patent/CN209282222U/en active Active
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GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 214203 No. 20 Wen Zhuang Road, Yixing Economic Development Zone, Jiangsu, Wuxi Patentee after: Huansheng photovoltaic (Jiangsu) Co., Ltd Address before: 214203 No. 20 Wen Zhuang Road, Yixing Economic Development Zone, Jiangsu, Wuxi Patentee before: Eastern link photovoltaic (Jiangsu) Co., Ltd. |