CN107914093A - Solar photovoltaic assembly manufacture method and solar photovoltaic assembly - Google Patents
Solar photovoltaic assembly manufacture method and solar photovoltaic assembly Download PDFInfo
- Publication number
- CN107914093A CN107914093A CN201610880507.XA CN201610880507A CN107914093A CN 107914093 A CN107914093 A CN 107914093A CN 201610880507 A CN201610880507 A CN 201610880507A CN 107914093 A CN107914093 A CN 107914093A
- Authority
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- China
- Prior art keywords
- battery strings
- prewelding
- busbar
- battery
- line style
- Prior art date
- 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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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000003466 welding Methods 0.000 claims abstract description 88
- 238000005452 bending Methods 0.000 claims description 20
- 239000002313 adhesive film Substances 0.000 claims description 9
- 230000012010 growth Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- 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 invention discloses a kind of solar photovoltaic assembly manufacture method and solar photovoltaic assembly, the manufacture method includes：Some battery strings and busbar are provided, the battery strings include some cell pieces being serially connected by welding；A busbar is respectively welded in the rear and front end of the battery strings, obtains prewelding battery strings；After some prewelding battery strings are pressed sequential arrangement set in advance, then by the busbar in the prewelding battery strings the adjacent prewelding battery strings are welded together, form a battery pack.Using manufacture method of the present invention and photovoltaic module, change battery strings and the welding procedure and structure of busbar, be easy to implement the automatic welding of battery strings and busbar, reduce cost of labor, improve production efficiency.
Description
Technical field
The present invention relates to solar photovoltaic assembly production technical field, more particularly to a kind of solar photovoltaic assembly manufacturer
Method and solar photovoltaic assembly.
Background technology
Silion cell is a kind of solar cell being most widely used a few days ago, there is what is extremely enriched in the earth's crust because of silicon
Reserves, and other kinds of solar cell is compared, silion cell has excellent electric property and mechanical performance.With silicon materials
The further reduction of price, and the further lifting of silion cell photoelectric conversion efficiency, silion cell will be in following photovoltaic art
In occupy consequence.
At this stage, also carry out sufficiently decomposing refinement for the production process of photovoltaic module in the industry, in order to promote and apply
Automated production equipment, and then production efficiency is improved, reduce human cost.But the busbar of existing photovoltaic module and battery strings
Welding process still uses manual welding, so as to cause to still need to more site welding in the laying preparatory process before photovoltaic module lamination
Meet personnel.8 welding are just needed between the both ends for the battery strings that each silion cell with four main grids is formed and busbar
Point, if using the silion cell of more main grids, needs more pads, and above-mentioned pad welds one by one, can consume substantial amounts of
Time, expends more manpower.
In consideration of it, it is necessary to provide a kind of new solar photovoltaic assembly manufacture method and solar photovoltaic assembly.
The content of the invention
Present invention aims at a kind of solar photovoltaic assembly manufacture method and solar photovoltaic assembly is provided, it is easy to implement
The automatic welding of battery strings and busbar, reduces cost of labor, improves production efficiency.
For achieving the above object, the present invention provides a kind of manufacture method of solar photovoltaic assembly, including：
Some battery strings are provided, the battery strings include some cell pieces being serially connected by welding；
Busbar is provided；
A busbar is respectively welded in the rear and front end of the battery strings, obtains prewelding battery strings；
Some prewelding battery strings are pressed into sequential arrangement set in advance；
The adjacent prewelding battery strings are welded together by the busbar in the prewelding battery strings, form a battery pack.
As a further improvement on the present invention, the busbar is line style busbar.
As a further improvement on the present invention, the busbar includes line style busbar and L-type busbar, the prewelding electricity
Pond string includes some first prewelding battery strings and some second prewelding battery strings, wherein, the both ends of the first prewelding battery strings
Weld a line style busbar；The line style busbar and L-type confluence that the both ends of the second prewelding battery strings are respectively welded
Bar.
As a further improvement on the present invention, when carrying out the welding of line style busbar, one end of the line style busbar
The welding of the corresponding side of the battery strings is transversely extended beyond towards side.
As a further improvement on the present invention, the other end of line style busbar side just corresponding to the battery strings is most
Exterior welding is connected.
As a further improvement on the present invention, the length of the line style busbar is 105-175mm.
As a further improvement on the present invention, the L-type busbar has to the line of the mutually company of weldering of the welding with battery strings
Type section and to connect the bending section of bypass diode, when carrying out the welding of L-type busbar, the bending section is without departing from corresponding
The lateral margin of battery strings；The line style section extends beyond the welding of the corresponding side of the battery strings relative to the other end of bending section.
As a further improvement on the present invention, the length of the line style section of the L-type busbar is 120-180mm.
As a further improvement on the present invention, the battery pack includes four the first prewelding battery strings of string and two the second preweldings of string
Battery strings, are specially by the method that prewelding battery strings are arranged in the manufacture method：By above-mentioned first prewelding battery strings and
Second prewelding battery strings are arranged on the glass plate for being equipped with EVA adhesive film by order set in advance, make two strings described second pre-
Weldering battery strings be located at the centre position of battery pack, and so that adjacent the first prewelding battery strings and/or the second prewelding battery strings
Line style busbar and/or L-type busbar have the first overlapping weld part；
First weld part is welded so that the first prewelding battery strings and the second prewelding battery strings pass through it is corresponding
Line style busbar and L-type busbar connect to form the battery pack.
As a further improvement on the present invention, the manufacture method, which further includes, provides two growth form L busbars, the increasing
Elongated L busbars have straightway and draw section, and the length of the straightway is 250-470mm, the extraction section and the L-type
The bending section of busbar is disposed adjacent, the straightway and the line of the first prewelding battery strings on the outside of the battery pack
Type busbar has the second overlapping weld part；Second weld part is welded.
As a further improvement on the present invention, the manufacture method, which further includes, provides insulation strip and EVA adhesive film bar, and by institute
State insulation strip and EVA adhesive film bar is placed between the growth form L busbars and L-type busbar.
As a further improvement on the present invention, prolong in opposite directions to the busbar that is welded to each other in adjacent two strings prewelding battery strings
Stretch beyond the lateral margin of corresponding prewelding battery strings.
The present invention also provides a kind of solar photovoltaic assembly, including a battery pack, the battery pack includes welding together
Some prewelding battery strings, each prewelding battery strings include a battery strings and are welded on the busbar at the battery strings both ends, often
One battery strings have some cell pieces being cascaded by welding, the prewelding the battery strings at least busbar of one end and phase
The busbar of the corresponding one end of the adjacent prewelding battery strings mutually company of weldering.
As a further improvement on the present invention, the busbar includes line style busbar and L-type busbar, the prewelding electricity
Pond string includes some first prewelding battery strings and some second prewelding battery strings, wherein, the both ends of the first prewelding battery strings
Weld a line style busbar；The line style busbar and L-type confluence that the both ends of the second prewelding battery strings are respectively welded
Bar.
As a further improvement on the present invention, the battery pack includes arranging and being connected in one according to order set in advance
Four the first prewelding battery strings of string of body and two the second prewelding battery strings of string, wherein, two string the second prewelding battery strings are positioned at electricity
The centre position of pond group.
The beneficial effects of the invention are as follows：Using manufacture method of the present invention and photovoltaic module, battery strings and busbar are changed
Welding procedure and structure, by by it is existing connection two string battery strings busbars carry out segment processing, carry out battery strings first
Welding with busbar obtains prewelding battery strings, then mutually the company of weldering obtains the electricity by the busbar of the battery strings arranged in order
Pond group.The automatic welding of battery strings and busbar is easy to implement, reduces cost of labor, improves production efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of battery strings in the present invention；
Fig. 2 is the structure diagram of a types the first prewelding battery strings in the present invention；
Fig. 3 is the structure diagram of b types the first prewelding battery strings in the present invention；
Fig. 4 is the structure diagram of c types the first prewelding battery strings in the present invention；
Fig. 5 is the structure diagram of e types the second prewelding battery strings in the present invention；
Fig. 6 is the structure diagram of g types the second prewelding battery strings in the present invention；
Fig. 7 is the structure diagram of the battery pack of a preferred embodiment of the present invention；
Fig. 8 is the structure diagram after battery group welding growth form L busbars in Fig. 7.
Embodiment
Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But the embodiment is not intended to limit
The present invention, structure that those of ordinary skill in the art are made according to the embodiment, method or conversion functionally are wrapped
Containing within the scope of the present invention.
It is a better embodiment of the invention referring to Fig. 1 to Fig. 8.The present invention provides a kind of manufacture of solar photovoltaic assembly
Method and the solar photovoltaic assembly obtained using the manufacture method, the manufacture method are mainly included：
Some battery strings 10 are provided, the battery strings 10 include some cell pieces 11 being serially connected by welding, wherein, it is described
The front end of battery strings 10 has at least two cathode weldings 12 extended forward, and the rear end of the battery strings 10 has at least two
The anode welding 13 extended backwards, the laterally spaced setting of cathode welding 12 and anode welding；
Busbar is provided；
A busbar is respectively welded in the rear and front end of the battery strings 10, obtains prewelding battery strings；
Some prewelding battery strings are arranged in order；
The adjacent prewelding battery strings are welded together by the busbar in the prewelding battery strings, form a battery pack
100。
In the present embodiment, the busbar includes line style busbar 21 and L-type busbar 22, the prewelding battery strings bag
Include some first prewelding battery strings and some second prewelding battery strings.Wherein, the both ends of the first prewelding battery strings are welded
The one line style busbar 21；The line style busbar 21 and a L-type that the both ends of the second prewelding battery strings are respectively welded converge
Flow bar 22.
When carrying out the welding of line style busbar 21, one end of the line style busbar 21 is transversely extended beyond towards side
The welding of the 10 corresponding side of battery strings, is mutually welded with the busbar with another prewelding battery strings；The line style busbar 21
The other end be just connected to the 10 outermost welding in corresponding side of battery strings.Also, the length of the line style busbar 21
Degree is arranged to 105-175mm.
The L-type busbar 22 has to the mutually line style section 221 of the company of weldering and to be connected side of the welding with battery strings 10
The bending section 222 of road diode, the length of the line style section 221 are arranged to 120-180mm.Carrying out the weldering of L-type busbar 22
When connecing, lateral margin of the bending section 222 without departing from respective battery string 10；The line style section 221 is relative to the another of bending section 222
The welding that end extends beyond the 10 corresponding side of battery strings is mutually welded with the busbar with another prewelding battery strings.
In the present invention, by two line style busbars 21 be respectively welded to the cathode weldings 12 of the battery strings 10 with
During anode welding 11, the first prewelding battery strings of variform can be obtained, are listed below respectively：
A types the first prewelding battery strings, are soldered to the line style busbar 21 of cathode welding 12 and are soldered to the line style of anode welding 13
Busbar 21 transversely extends beyond the welding of 10 leftmost side of battery strings towards left side, to connect with another prewelding battery strings
（As shown in Figure 2）；
B types the first prewelding battery strings, the line style busbar 21 for being soldered to cathode welding 12 extend beyond the battery strings towards left side
To connect with another prewelding battery strings, the line style busbar 21 for being soldered to anode welding 13 extends the welding of 10 leftmost sides towards right side
Beyond the welding of 10 rightmost side of battery strings to connect with another prewelding battery strings（As shown in Figure 3）；
C types the first prewelding battery strings, the line style busbar 21 for being soldered to cathode welding 12 extend beyond the battery strings towards right side
To connect with another prewelding battery strings, the line style busbar 21 for being soldered to anode welding 13 extends the welding of 10 rightmost sides towards left side
Beyond the welding of 10 leftmost side of battery strings to connect with another prewelding battery strings（As shown in Figure 4）；
D types the first prewelding battery strings, are soldered to the line style busbar 21 of cathode welding 12 and are soldered to the line style of anode welding 13
Busbar 21 extends beyond the welding of 10 rightmost side of battery strings to connect with another prewelding battery strings towards right side.
In addition, in the present invention, the line style section 221 of the L-type busbar 22 is soldered to the cathode of the battery strings 10
Welding 12 or anode welding 13, then another line style busbar 21 is soldered to the anode welding 13 or just of the battery strings 10
Pole welding 12 can obtain following several second prewelding battery strings：
E types the second prewelding battery strings, be soldered to cathode welding 12 L-type busbar 22 bending section 222 from left side draw with
Bypass diode connects, and the line style busbar 21 for being soldered to anode welding 13 extends beyond 10 leftmost side of battery strings towards left side
Welding to connect with another prewelding battery strings（As shown in Figure 5）；
F types the second prewelding battery strings, be soldered to cathode welding 12 L-type busbar 22 bending section 222 from left side draw with
Bypass diode connects, and the line style busbar 21 for being soldered to anode welding 13 extends beyond 10 rightmost side of battery strings towards right side
Welding to connect with another prewelding battery strings；
G types the second prewelding battery strings, be soldered to anode welding 13 L-type busbar 22 bending section 222 from left side draw with
Bypass diode connects, and the line style busbar 21 for being soldered to cathode welding 12 extends beyond 10 leftmost side of battery strings towards left side
Welding to connect with another prewelding battery strings（As shown in Figure 6）；
H type the second prewelding battery strings, be soldered to anode welding 13 L-type busbar 22 bending section 222 from left side draw with
Bypass diode connects, and the line style busbar 21 for being soldered to cathode welding 12 extends beyond 10 rightmost side of battery strings towards right side
Welding to connect with another prewelding battery strings；
I types the second prewelding battery strings, be soldered to cathode welding 12 L-type busbar 22 bending section 222 from right side draw with
Bypass diode connects, and the line style busbar 21 for being soldered to anode welding 13 extends beyond 10 rightmost side of battery strings towards right side
Welding to connect with another prewelding battery strings；
J types the second prewelding battery strings, be soldered to cathode welding 12 L-type busbar 22 bending section 222 from right side draw with
Bypass diode connects, and the line style busbar 21 for being soldered to anode welding 13 extends beyond 10 leftmost side of battery strings towards left side
Welding to connect with another prewelding battery strings；
K-type the second prewelding battery strings, be soldered to anode welding 13 L-type busbar 22 bending section 222 from right side draw with
Bypass diode connects, and the line style busbar 21 for being soldered to cathode welding 12 extends beyond 10 rightmost side of battery strings towards right side
Welding to connect with another prewelding battery strings；
L types the second prewelding battery strings, be soldered to anode welding 13 L-type busbar 22 bending section 222 from right side draw with
Bypass diode connects, and the line style busbar 21 for being soldered to cathode welding 12 extends beyond 10 leftmost side of battery strings towards left side
Welding to connect with another prewelding battery strings.
In actual production process, use the welding structure of battery strings and the structure of terminal box etc. specific according to photovoltaic module
Demand, chooses some above-mentioned different classes of prewelding battery strings, then is welded by completion after sequential arrangement set in advance.
In the present embodiment, the battery pack 100 includes four the first prewelding battery strings of string and two the second prewelding battery strings of string, tool
Body includes two string a the first preweldings of type battery strings, the first prewelding of b types battery strings, the first prewelding of c types battery strings, the second prewelding of e types electricity
Pond is gone here and there and g types the second prewelding battery strings.Will wherein a string of the first prewelding of a types battery strings, b types the first prewelding battery strings and g types the
Two prewelding battery strings rotate 180 degree, then are arranged in order on the glass plate for being equipped with EVA adhesive film, and specific ordering is certainly left
It is followed successively by the right：Postrotational the first prewelding of a types battery strings, the first prewelding of c types battery strings, postrotational the second prewelding of g types electricity
Pond string, the second prewelding of e types battery strings, postrotational the first prewelding of b types battery strings, a types the first prewelding battery strings.It is also, adjacent
The first prewelding battery strings and/or the line style busbar 21 and/or L-type busbar 22 of the second prewelding battery strings have overlapping the
One weld part 24.
The manufacture method, which further includes, provides two growth form L busbars 23, and the growth form L busbars 23 have straight line
Section 231 and extraction section 232.The length of the straightway 231 is 250-470mm, the extraction section 232 and the L-type busbar
22 bending section 222 is disposed adjacent and positioned at the horizontal centre position of the battery pack 100；The straightway 231 is with being located at institute
The line style busbar 21 for stating a types the first prewelding battery strings in the outside of battery pack 100 has the second overlapping weld part 25.
Then, first weld part 24 is welded, so that the first prewelding battery strings and the second prewelding electricity
Pond string is by corresponding line style busbar 21 and the series connection of L-type busbar 22 in one；Second weld part 25 is welded again
Connect, the bending section 222 and draw section 232 respectively corresponding prewelding battery is connected in series to bypass diode.
The manufacture method is further included to the battery strings 10 or the prewelding battery strings rear and front end for being welded with busbar
Welding is trimmed.In the present embodiment, the length of the welding after 10 rear and front end of the battery strings trimming is consistent, the manufacturer
Method, which further includes, provides insulation strip and EVA adhesive film bar, and the insulation strip and EVA adhesive film bar are placed in the growth form L busbars
23 and L-type busbar 22 and between the L-type busbar 22 directly the line style busbar 21 of the company of weldering.
Preferably, the length of the line style busbar 21 is consistent, and the length of the line style section 221 of the L-type busbar 22 is big
In the length of the line style busbar 21.In the adjacent two string prewelding battery strings to line style busbar 21 that mutually weldering connects or
The opposite one end of L-type busbar 22 extends beyond the lateral margin of corresponding prewelding battery strings, so that the prewelding battery
Centre position of the center of pad between string transversely in adjacent two string prewelding battery strings.Certainly, the line style confluence
Bar 21 also may be configured as different length.
In addition, as another embodiment of the present invention, the busbar can also be all set to line style busbar（It is not shown）,
At this time, the manufacture method includes：The both ends that the line style busbar is soldered to battery strings 10 are obtained into prewelding battery strings；Again
Prewelding battery strings are arranged and welded by order set in advance；There is provided to be connected to the external confluence of external cabling box
Bar, and above-mentioned external busbar is welded to the commitment positions for being connected to prewelding battery strings.
In conclusion use manufacture method of the present invention and photovoltaic module, by by it is existing connection two go here and there battery strings 10 remittance
Flow bar and carry out segment processing, carry out battery strings 10 first and the welding of busbar obtains prewelding battery strings, then will arrange in order
The busbars of prewelding battery strings mutually weld and get corresponding battery pack 100 continuously.It is easy to implement the automatic of battery strings 10 and busbar
Change welding, reduce cost of labor, improve production efficiency.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
A independent technical solution, this narrating mode of specification is only that those skilled in the art will should say for clarity
For bright book as an entirety, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of manufacture method of solar photovoltaic assembly, it is characterised in that the manufacture method includes：
Some battery strings are provided, the battery strings include some cell pieces being serially connected by welding；
Busbar is provided；
A busbar is respectively welded in the rear and front end of the battery strings, obtains prewelding battery strings；
Some prewelding battery strings are pressed into sequential arrangement set in advance；
The adjacent prewelding battery strings are welded together by the busbar in the prewelding battery strings, form a battery pack.
2. manufacture method according to claim 1, it is characterised in that the busbar is line style busbar.
3. manufacture method according to claim 1, it is characterised in that the busbar includes line style busbar and L-type is converged
Bar is flowed, the prewelding battery strings include some first prewelding battery strings and some second prewelding battery strings, wherein, described first is pre-
Weld a line style busbar in the both ends of weldering battery strings；The line style confluence that the both ends of the second prewelding battery strings are respectively welded
Bar and a L-type busbar.
4. manufacture method according to claim 3, it is characterised in that when carrying out the welding of line style busbar, the line
One end of type busbar transversely extends beyond the welding of the corresponding side of the battery strings towards side.
5. manufacture method according to claim 4, it is characterised in that the other end of the line style busbar just with the electricity
The string corresponding outermost welding in side in pond is connected.
6. manufacture method according to claim 4, it is characterised in that the length of the line style busbar is 105-175mm.
7. manufacture method according to claim 3, it is characterised in that the L-type busbar have to battery strings
The welding mutually line style section of the company of weldering and to connect the bending section of bypass diode, when carrying out the welding of L-type busbar, the folding
Lateral margin of the curved segment without departing from respective battery string；The line style section extends beyond the battery strings phase relative to the other end of bending section
Answer the welding of side.
8. manufacture method according to claim 7, it is characterised in that the length of the line style section of the L-type busbar is
120-180mm。
9. manufacture method according to claim 3, it is characterised in that the battery pack includes four the first prewelding battery strings of string
And two the second prewelding battery strings of string, it is specially by the method that prewelding battery strings are arranged in the manufacture method：By above-mentioned
One prewelding battery strings and the second prewelding battery strings are arranged on the glass plate for being equipped with EVA adhesive film by order set in advance, are made
Two string the second prewelding battery strings be located at the centre position of battery pack, and so that adjacent the first prewelding battery strings and/or the
The line style busbar and/or L-type busbar of two prewelding battery strings have the first overlapping weld part；
First weld part is welded so that the first prewelding battery strings and the second prewelding battery strings pass through it is corresponding
Line style busbar and L-type busbar connect to form the battery pack.
10. manufacture method according to claim 9, it is characterised in that the manufacture method further includes two growths of offer
Type L busbars, the growth form L busbars have straightway and draw section, and the length of the straightway is 250-470mm, institute
State extraction section to be disposed adjacent with the bending section of the L-type busbar, the straightway is described on the outside of the battery pack with being located at
The line style busbar of first prewelding battery strings has the second overlapping weld part；Second weld part is welded.
11. manufacture method according to claim 10, it is characterised in that the manufacture method further include provide insulation strip and
EVA adhesive film bar, and the insulation strip and EVA adhesive film bar are placed between the growth form L busbars and L-type busbar.
12. manufacture method according to claim 1, it is characterised in that to mutually weldering in adjacent two strings prewelding battery strings
The busbar connect is extended towards beyond the lateral margin of corresponding prewelding battery strings.
13. a kind of basis photovoltaic module as made from claim 1-12 any one of them manufacture methods, including a battery pack,
It is characterized in that, the battery pack includes some prewelding battery strings welded together, each prewelding battery strings include a battery
The busbar at the battery strings both ends is gone here and there and is welded on, each battery strings have some batteries being cascaded by welding
Piece, the busbar of the prewelding battery strings at least busbar of one end one end corresponding to the adjacent prewelding battery strings mutually company of weldering.
14. photovoltaic module according to claim 13, it is characterised in that the busbar includes line style busbar and L-type
Busbar, the prewelding battery strings include some first prewelding battery strings and some second prewelding battery strings, wherein, described first
Weld a line style busbar in the both ends of prewelding battery strings；The line style that the both ends of the second prewelding battery strings are respectively welded is converged
Flow bar and a L-type busbar.
15. photovoltaic module according to claim 14, it is characterised in that the battery pack is included according to set in advance time
Four the first prewelding battery strings of string and two the second prewelding battery strings of string that sequence arranges and connects in one, wherein, two strings described second
Prewelding battery strings are located at the centre position of battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880507.XA CN107914093A (en) | 2016-10-09 | 2016-10-09 | Solar photovoltaic assembly manufacture method and solar photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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