CN109301019A - Lower than series-parallel component of the cell stack of 36V and preparation method thereof - Google Patents
Lower than series-parallel component of the cell stack of 36V and preparation method thereof Download PDFInfo
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- CN109301019A CN109301019A CN201811245399.4A CN201811245399A CN109301019A CN 109301019 A CN109301019 A CN 109301019A CN 201811245399 A CN201811245399 A CN 201811245399A CN 109301019 A CN109301019 A CN 109301019A
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- module
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- tin copper
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- 238000002360 preparation method Methods 0.000 title abstract description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 151
- 238000002788 crimping Methods 0.000 claims abstract description 40
- 239000011521 glass Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000007711 solidification Methods 0.000 claims abstract description 5
- 230000008023 solidification Effects 0.000 claims abstract description 5
- 238000010422 painting Methods 0.000 claims description 53
- 239000004745 nonwoven fabric Substances 0.000 claims description 32
- 239000011347 resin Substances 0.000 claims description 32
- 229920005989 resin Polymers 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000003698 laser cutting Methods 0.000 claims description 4
- 239000002759 woven fabric Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 13
- 239000011247 coating layer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01L31/0508—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 the interconnection means having a particular shape
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
A kind of lower than series-parallel component of the cell stack of 36V and preparation method thereof, appearance is consistent with imbrication, and voltage is lower than 36V, and EPC installation cost is consistent with common component, and EPC cost does not increase.Four concatenated modules one, module two, module three and module four are pasted by EVA on glass; each module is four series and parallel structures; every string is cascaded by 17 cell pieces and is crimped between two adjacent cell pieces by conducting resinl, is connected to protection diode D1~D4 between the anode and cathode of each module；Steps are as follows for production method: scribing is laid with glass, EVA；Cell piece is crimped using conducting resinl positive and negative anodes, continuous crimping 17, after being formed continuously four strings, four string progress are in parallel, are respectively formed one module two of module, module three and module four；It applies tin copper strips, draw circuit lead-out wire, backboard lays EVA, and lamination, chamfered edge, installation terminal box and line, solidification, IV test, are packed and stored assembling frame.
Description
Technical field
The present invention relates to solar modules more particularly to a kind of lower than the series-parallel component of the cell stack of 36V and its system
Make method.
Background technique
Existing market imbrication component voltage is higher than 36V, generates hot spot, there is apparent poor appearance with imbrication after such as reduction voltage
It is different.High voltage reduces imbrication component component count in EPC installation, and battery installation cost is higher.
Summary of the invention
The present invention is to solve in place of existing imbrication component above shortcomings, a kind of cell stack lower than 36V is provided
Add series-parallel component and preparation method thereof, appearance is consistent with imbrication, and voltage is lower than 36V, EPC installation cost and common component one
It causes, EPC cost does not increase.
The present invention is achieved by the following technical programs:
It is a kind of lower than the series-parallel component of the cell stack of 36V, be characterized in that:
Including glass, four module one, the modules two, three and of module being sequentially connected in series are pasted by EVA on the glass
Module four, each module be four series and parallel structures, it is every string be cascaded by 17 cell pieces and two adjacent cell pieces it
Between crimped by conducting resinl, be connected to protection diode D1~D4 between the anode and cathode of each module, the cathode of module one with
The positive connection of module two, the cathode of module two are connect with the anode of module three, and the cathode of module three and the anode of module four connect
It connects, the anode of module one and the cathode of module four draw main circuit anode and main circuit cathode respectively；
Tin copper strips one is applied using conducting resin adhesion in one side of the positive electrode of module, is connected to four string cell piece anodes of module one
Together；Simultaneously on the paintings tin copper strips one by conducting resin adhesion painting tin copper strips as circuit lead-out wire one i.e. main circuit just
Pole；
The fixed non-woven fabrics one for pasting two sides silica gel adhesive tape up and down, the nothing on tin copper strips one are applied in one side of the positive electrode of module
One upper surface of woven fabric is fixed to apply tin copper strips two；
Four negative side of module is fixed on by conducting resinl and is applied on tin copper strips two, and passes through conduction on applying tin copper strips two
The fixed circuit lead-out wire two of glue is positive main circuit cathode, passes through the nonwoven of 35~45mm of breadth between the module one and module four
Cloth two insulate, and EVA layer is equipped on non-woven fabrics two；
The side of the positive electrode of module three applies tin copper strips three using conducting resin adhesion, by applying tin copper strips three for module two and module three
It is fixed, and be cascaded；The painting tin copper strips three extends to four edge of module one and module, and respectively in the painting tin copper
Conducting resin adhesion circuit lead-out wire three and electrode outlet line four are used at left and right sides of band three；
Tin copper strips four is applied using conducting resinl is fixed in two side of the positive electrode of module, by applying tin copper strips four for module one and module two
It is fixed, and be cascaded；Tin copper strips five is applied using conducting resinl is fixed in three negative side of module, by applying tin copper strips five for module
Three is fixed with module four, and is connected in series to together；
Each module backplane lays EVA；Terminal box is installed on backboard, the protection diode D1~D4 is located at the wiring
In box, the circuit lead-out wire, apply four lead of tin copper strips and apply protection diode D1 in five lead of tin copper strips and terminal box~
D4 connects and draws the main circuit positive and negative anodes, assembles frame in each module outer edge.
Further, the module one and module four or so are adjacent, and the module two and module three or so are adjacent, and module
Two, module three and module one, about four modules are arranged；In the module one and module four every string cell piece from left to right piecewise to
Upper crimping, every string cell piece crimping downwards piecewise from left to right in the module two and module three.
Further, circuit isolation is carried out using lower nonwoven cloth and upper layer EVA below the circuit lead-out wire.
Further, the non-crimping portion pad of the painting tin copper strips of link block two and module three sets EVA, to ensure itself and battery
Aluminium paste is effectively bonded.
Further, apply tin copper strips one, apply tin copper strips 27 and apply tin copper strips three length and width specification be 0.12~0.8mm ×
10~20mm.
Further, the module one and module four or so are adjacent, and the module two and module three or so are adjacent, and module
Two, module three and module one, about four modules are arranged；In the module one and module four every string cell piece from left to right piecewise to
Upper crimping, every string cell piece crimping downwards piecewise from left to right in the module two and module three.
Further, 20~30 μm of coating layer thickness for applying tin copper strips.
It is a kind of lower than the series-parallel assembly making method of the cell stack of 36V, steps are as follows:
1. first monolithic battery piece being waited to divide by 5 and carrying out a scribings, in cutting process, the depth of laser cutting is less than or equal to electricity
The 50% of pond piece thickness prevents from causing the bad of cell piece due to depth of cut；
2. being laid with glass on station, and according to 430g~500g/ square metres of laying EVA on glass；By cell piece
It is crimped using conducting resinl positive and negative anodes, continuous crimping 17, after being formed continuously four strings, four string progress are in parallel, form module one, use
Module two, module three and module four is made in same way simultaneously, and the module one, module two, module three and four front of module are logical
EVA is crossed to be fitted on glass；
3. one side of the positive electrode of module applies tin copper strips one using conducting resin adhesion, it is connected to four string cell piece anodes of module one
Together；Applying tin copper strips as circuit lead-out wire one by conducting resin adhesion on applying tin copper strips one simultaneously is main circuit anode；
4. pasting the painting tin that two sides silica gel adhesive tape is fixed on one side of the positive electrode of module for about one non-woven fabrics that insulation uses is played
On copper strips, the fixed specification in one upper surface of non-woven fabrics is to apply tin copper strips two；Four negative side of module is fixed on by conducting resinl and applies tin copper
Two upper surface of band, and the use of the fixed circuit lead-out wire two of conducting resinl is main circuit cathode on applying tin copper strips two；Module one with
It is insulated between module four using the non-woven fabrics two of 35~45mm of breadth, non-woven fabrics two covers EVA layer above；
5. the side of the positive electrode in module three applies tin copper strips three using conducting resin adhesion, by applying tin copper strips three for module two and mould
Block three is fixed, and is cascaded；It applies tin copper strips three and extends to four edge of module one and module, and applying tin copper strips three respectively
The left and right sides uses conducting resin adhesion circuit lead-out wire three and circuit lead-out wire four；
6. using conducting resinl in the fixed painting tin copper strips four of two side of the positive electrode of module, by applying tin copper strips four for module one and module
Two is fixed, and is cascaded；Same procedure, in the fixed painting tin copper strips five of three negative side of module, is passed through using conducting resinl and applies tin copper
Band five is fixed by module three and module four, and is connected in series to together；
7. EVA is laid in backboard according to 360g~500g/ square metres after, is laminated, chamfered edge, terminal box and company is installed
Line, solidification, IV test, is packed and stored assembling frame.
Further, the module one and module four or so are adjacent, and the module two and module three or so are adjacent, and module
Two, module three and module one, about four modules are arranged；In the module one and module four every string cell piece from left to right piecewise to
Upper crimping, every string cell piece crimping downwards piecewise from left to right in the module two and module three.
Further, circuit isolation is carried out using lower nonwoven cloth and upper layer EVA below the circuit lead-out wire.
Further, the non-crimping portion of painting tin copper strips of link block two and module three is encased inside EVA, to ensure itself and battery
Aluminium paste is effectively bonded.
Further, tin copper strips one is applied, tin copper strips two is applied and applies the length and width specification of tin copper strips three as 0.12~0.8mm × 10
~20mm.
The beneficial effects of the present invention are:
1, in each module 17 be cascaded, after being formed continuously four strings, four strings carry out in parallel, and four modules are successively gone here and there
Join, single string voltage 8.5V, main circuit voltage 34V after four block coupled in series, voltage is lower than 36V, is cascaded and solves imbrication group
The serious problem of part hot spot.And battery installation cost is not increased.Reduce welding quantity inside circuit, occupies little space, subtract
Few size of components, improves the generated energy of unit area.
2, silica gel system double-sided adhesive and non-woven fabrics are used in cell piece insulation position, it is consistent with imbrication to realize component facade, guarantor
Circuit isolation performance is demonstrate,proved, high reliablity may be implemented imbrication component power plant application and be equal to common component.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention (not installing terminal box and frame)；
Fig. 2 is the bottom view (installation terminal box and frame) of Fig. 1；
Fig. 3 is the A-A cross-sectional view of Fig. 1；
Fig. 4 is the B-B cross-sectional view of Fig. 1；
Fig. 5 is module one and the every string cell piece crimping structure schematic diagram of module four；
Fig. 6 is module two and the every string cell piece crimping structure schematic diagram of module three；
Fig. 7 is circuit diagram of the invention.
In figure: 1. glass, 2. cell pieces, 3. modules one, 4. apply tin copper strips one, 5. circuit lead-out wires one, 601. two sides silicon
Glue adhesive tape, 6. non-woven fabrics one, 7. tin copper strips two, 8. modules four, 9. circuit lead-out wires two, 10 non-woven fabrics two, 11.EVA layers, 12.
Module three, 13. apply tin copper strips three, 14. circuit lead-out wires three, 15. circuit lead-out wires four, 16. modules two, 17 apply tin copper strips four,
18. applying tin copper strips five, 19. backboards, 20. terminal boxes, 21. frames.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described in detail.
Embodiment 1
As shown, it is a kind of lower than the series-parallel component of the cell stack of 36V, including glass 1, pass through on the glass 1
Four module 1, module 2 16, module 3 12 and the modules 48 being sequentially connected in series are arranged in EVA, and each module is four series-parallel knots
Structure, every string are cascaded by 17 cell pieces 2 and are crimped between two adjacent cell pieces by conducting resinl, and crimping portion is long
Degree is 1.5mm~2mm, and protection diode D1~D4, the cathode and mould of module 1 are connected between the anode and cathode of each module
The anode connection of block 2 16, the cathode of module 2 16 are connect with the anode of module 3 12, cathode and the module 48 of module 3 12
Anode connection, the anode of module 1 and the cathode of module 48 draw main circuit anode and main circuit cathode respectively；The module
1 and module 48 or so it is adjacent, the module 2 16 and module 3 12 or so are adjacent, and module 2 16, module 3 12 and module
One 3, about 48 module is arranged；The crimping upwards piecewise from left to right of every string cell piece, described in the module 1 and module 48
Every string cell piece crimping downwards piecewise from left to right in module 2 16 and module 3 12.
Conducting resin adhesion 0.12~0.8mm × 10~20mm painting tin copper strips 1 is used in one 3 side of the positive electrode of module, makes mould
Four string cell piece anodes of block 1 link together；Pass through conducting resin adhesion length and width specification on the painting tin copper strips 1 simultaneously
It is positive as circuit lead-out wire 1 i.e. main circuit for the painting tin copper strips of 0.25~0.35 × 6~8mm；
It is fixed on the painting tin copper strips 1 of one 3 side of the positive electrode of module to paste two sides silica gel adhesive tape 601 up and down and play insulating effect
Non-woven fabrics 1,0.12~0.8mm × 10~20mm painting tin copper strips 27 is fixed in one 6 upper surface of non-woven fabrics；
48 negative side of module is fixed on by conducting resinl and is applied on tin copper strips 27, and is passed through on applying tin copper strips 27
The fixed circuit lead-out wire 29 of conducting resinl is main circuit cathode, be arranged between the module 1 and module 48 breadth 35~
The non-woven fabrics 2 10 of 45mm is equipped with EVC layer 11 on non-woven fabrics 2 10；
The side of the positive electrode of module 3 12 uses conducting resin adhesion 0.12~0.18mm × 10~20mm painting tin copper strips 3 13, leads to
It crosses painting tin copper strips 3 13 module 2 16 and module 3 12 is fixed, and is cascaded；The painting tin copper strips 3 13 extends to mould
48 edge of block 1 and module, and conducting resin adhesion circuit lead-out wire is used in 3 13 left and right sides of painting tin copper strips respectively
3 14, circuit lead-out wire 4 15；
Tin copper strips 4 17 is applied using conducting resinl is fixed in 2 16 side of the positive electrode of module, by applying tin copper strips 4 17 for module 1
It is fixed with module 2 16, and be cascaded, tin copper strips 5 18 is applied using conducting resinl is fixed in 3 12 negative side of module, passes through painting
Tin copper strips 5 18 is fixed by module 3 12 and module 48, and is connected in series to together；
Each module backplane lays EVA；Terminal box 20 is installed on backboard 19, the diode D1~D4 is arranged in terminal box
In 20, the circuit lead-out wire connect with protection diode D1~D4 in terminal box 20 and draws the main circuit positive and negative anodes,
Frame 21 is assembled in each module outer edge.
Further, 5,9,14, the 15 following settings lower nonwoven cloth of circuit lead-out wire and upper layer EVA, to realize electricity
Road insulation.
Further, the non-crimping portion of painting tin copper strips 13 of link block 2 16 and module 3 12 pad sets with a thickness of 0.15mm
~0.3mmEVA, to ensure that it is effectively be bonded with cell aluminum paste.
Further, each 20~30 μm of coating layer thickness for applying tin copper strips.
Embodiment 2
As shown, it is a kind of lower than the series-parallel component of the cell stack of 36V, including glass 1, pass through on the glass 1
Four module 1, module 2 16, module 3 12 and the modules 48 being sequentially connected in series are arranged in EVA, and each module is four series-parallel knots
Structure, every string are cascaded by 17 cell pieces 2 and are crimped between two adjacent cell pieces by conducting resinl, and crimping portion is long
Degree is 1.8mm, and protection diode D1~D4, the cathode and module two of module 1 are connected between the anode and cathode of each module
16 anode connection, the cathode of module 2 16 are connect with the anode of module 3 12, the cathode of module 3 12 and the anode of module 48
Connection, the anode of module one and the cathode of module four draw main circuit anode and main circuit cathode respectively；The module 1 and mould
Block 48 or so is adjacent, and the module 2 16 and module 3 12 or so are adjacent, and module 2 16, module 3 12 and module 1, mould
About 48 block is arranged；The crimping upwards piecewise from left to right of every string cell piece, the module two in the module 1 and module 48
16 and module 3 12 in every string cell piece from left to right piecewise downwards crimping.
The painting tin copper strips 1 of conducting resin adhesion 0.5mm × 15mm is used in one 3 side of the positive electrode of module, makes four strings of module 1
Cell piece anode links together；It is simultaneously 0.3 × 7mm by conducting resin adhesion length and width specification on the painting tin copper strips 1
Painting tin copper strips as circuit lead-out wire 1 be main circuit anode；
The fixed non-woven fabrics 1 for pasting two sides silica gel adhesive tape 601 up and down on tin copper strips 1 is applied in one 3 side of the positive electrode of module,
The painting tin copper strips 27 of the fixed 0.5mm × 15mm in one 6 upper surface of non-woven fabrics；
48 negative side of module is fixed on by conducting resinl and is applied on tin copper strips 27, and is passed through on applying tin copper strips 27
Conducting resinl fixes circuit lead-out wire 29, is carried out absolutely between the module one and module four by the non-woven fabrics 2 10 of breadth 40mm
EVA layer 11 is arranged in edge on non-woven fabrics 2 10；
The side of the positive electrode of module 3 12 uses the painting tin copper strips 3 13 of conducting resin adhesion 0.5mm × 15mm, by applying tin copper strips
3 13 is fixed by module 2 16 and module 3 12, and is cascaded；The painting tin copper strips 3 13 extends to module 1 and module
48 edges, and drawn respectively in 3 13 left and right sides of painting tin copper strips using conducting resin adhesion circuit lead-out wire 3 14, circuit
Outlet 4 15；
Tin copper strips 4 17 is applied using conducting resinl is fixed in 2 16 side of the positive electrode of module, by applying tin copper strips 4 17 for module 1
It is fixed with module 2 16, and be cascaded, tin copper strips 5 18 is applied using conducting resinl is fixed in 3 12 negative side of module, passes through painting
Tin copper strips 5 18 is fixed by module 3 12 and module 48, and is connected in series to together；
Backboard 19 lays EVA, and terminal box 20 and wiring are installed on backboard 19, assembles frame 21 in each module outer edge.
Further, circuit lead-out wire 5,9,14 and 15 following settings lower nonwoven cloth and upper layer EVA, to realize that circuit is exhausted
Edge.
Further, the non-crimping portion of painting tin copper strips 13 of link block 2 16 and module 3 12 pad sets EVA, to ensure it
It is effectively be bonded with cell aluminum paste.
Further, each 25 μm of coating layer thickness for applying tin copper strips.
Embodiment 3
As shown, a kind of lower than the series-parallel assembly making method of the cell stack of 36V, steps are as follows:
1. first monolithic battery piece being waited to divide by 5 and carrying out a scribings, in cutting process, the depth of laser cutting is less than or equal to electricity
The 50% of pond piece thickness prevents from causing the bad of cell piece due to depth of cut；
2. being laid with glass 1 on station, and according to 430g~500g/ square metres of laying EVA on glass；By cell piece
2 are crimped using conducting resinl positive and negative anodes, and crimping portion length is 1.5mm~2mm, continuous crimping 17, after being formed continuously four strings, four
String carries out parallel connection, forms module 1, and module 2 16, module 3 12 and module 48, the mould are made simultaneously using same way
Block 1, module 2 16, module 3 12 and 48 front of module are fitted on glass；48 or so phase of the module 1 and module
Neighbour, the module 2 16 and module 3 12 or so are adjacent, and module 2 16, module 3 12 and module 1, about 48 cloth of module
It sets；The crimping upwards piecewise from left to right of every string cell piece, the module 2 16 and module three in the module 1 and module 48
Every string cell piece crimping downwards piecewise from left to right in 12.
3. one 1 side of the positive electrode of module applies tin copper strips 1 using conducting resin adhesion, the four of module 1 is set to go here and there 2 anode of cell piece even
It is connected together；The painting tin for being simultaneously 0.25~0.35 × 6~8mm by conducting resin adhesion length and width specification on applying tin copper strips 1
Copper strips is main circuit anode as circuit lead-out wire 1；
One 1 side of the positive electrode of module is fixed on 4. about one 6 non-woven fabrics that insulation uses will be played and paste two sides silica gel adhesive tape 601
It applies on tin copper strips 4, one 6 upper surface of non-woven fabrics is fixed to apply tin copper strips 27；48 negative side of module is fixed on painting tin by conducting resinl
27 upper surface of copper strips, and the use of the fixed circuit lead-out wire 29 of conducting resinl is main circuit cathode on applying tin copper strips 27；In module
It is insulated between one 1 and module 48 using the non-woven fabrics 2 10 of 35~45mm of breadth, non-woven fabrics 10 covers EVA layer 11 above；
5. the side of the positive electrode in module 3 12 applies tin copper strips 3 13 using conducting resin adhesion, by applying tin copper strips 3 13 for module
2 16 and module 3 12 it is fixed, and be cascaded；It applies tin copper strips 3 13 and extends to 48 edge of module 1 and module, and divide
Conducting resin adhesion circuit lead-out wire 3 14, circuit lead-out wire 4 15 are not used in 3 13 left and right sides of painting tin copper strips；
6. module 2 16 is put in 3 12 side of the positive electrode of module, using conducting resinl in the fixed painting tin copper strips of 2 16 side of the positive electrode of module
4 17, it is by applying tin copper strips 4 17 that module 1 and module 2 16 is fixed, and be cascaded, same procedure uses conducting resinl
It is by applying tin copper strips 5 18 that module 3 12 and module 48 is fixed in the fixed painting tin copper strips 5 18 of 3 12 negative side of module, and go here and there
It is linked to together；Each lead-out wire connects the protection diode by circuit connecting relation；
7. EVA is laid on backboard 19 according to 360g~500g/ square metres after, is laminated, chamfered edge, installation terminal box
And it connects, organizes frame, solidification, IV test, is packed and stored.
Further, the circuit lead-out wire 5,9,14 and 15 carries out circuit using lower nonwoven cloth and upper layer EVA below
Insulation.
Further, the outstanding 13 non-crimping portions of the painting tin copper strips of link block 2 16 and module 3 12 are encased inside EVA, to ensure
It is effectively be bonded with cell aluminum paste.
Further, tin copper strips 1 is applied, tin copper strips 27 is applied and applies the length and width specification of tin copper strips 3 13 as 0.12~0.8mm
× 10~20mm.
Further, Sn:Pb=60:40 in the painting tin copper strips coating, 20~30 μm of coating layer thickness.
Embodiment 4
As shown, a kind of lower than the series-parallel assembly making method of the cell stack of 36V, steps are as follows:
1. first monolithic battery piece being waited to divide by 5 and carrying out a scribings, in cutting process, the depth of laser cutting is less than or equal to electricity
The 50% of pond piece thickness prevents from causing the bad of cell piece due to depth of cut；
2. being laid with glass 1 on station, and according to 480g/ square metres of laying EVA on glass；Cell piece 2 is used
The crimping of conducting resinl positive and negative anodes, crimping portion length are 1.8mm, continuous crimping 17, and after being formed continuously four strings, four strings are carried out simultaneously
Connection forms module 1, and module 2 16, module 3 12 and module 48, the module 1, mould are made simultaneously using same way
Block 2 16, module 3 12 and 48 front of module are fitted in 1 on glass；The module 1 and module 48 or so are adjacent, the mould
Block 2 16 and module 3 12 or so are adjacent, and module 2 16, module 3 12 and module 1, about 48 module are arranged；The mould
Every string cell piece crimps upwards piecewise from left to right in block 1 and module 48, every string electricity in the module 2 16 and module 3 12
The crimping downwards piecewise from left to right of pond piece；
3. the painting tin copper strips 1 that one 1 side of the positive electrode of module is 0.5mm × 15mm using conducting resin adhesion length and width specification, makes mould
Four string 2 anodes of cell piece of block 1 link together；It is by conducting resin adhesion length and width specification on applying tin copper strips 1 simultaneously
The painting tin copper strips of 0.3 × 7mm is main circuit anode as circuit lead-out wire 1；
One 1 side of the positive electrode of module is fixed on 4. about one 6 non-woven fabrics that insulation uses will be played and paste two sides silica gel adhesive tape 601
It applies on tin copper strips 4, the painting tin copper strips 27 that the fixed specification in one 6 upper surface of non-woven fabrics is 0.5mm × 15mm；48 negative side of module is logical
It crosses conducting resinl and is fixed on painting 27 upper surface of tin copper strips, and use the fixed circuit lead-out wire 29 of conducting resinl on applying tin copper strips 27
That is main circuit cathode；It is insulated between module 1 and module 48 using the non-woven fabrics 2 10 of breadth 40mm, non-woven fabrics two
10 cover EVA layer 11 above；
5. the painting tin copper strips three for the use of conducting resin adhesion length and width specification being 0.5mm × 15mm in the side of the positive electrode of module 3 12
13, it is by applying tin copper strips 3 13 that module 2 16 and module 3 12 is fixed, and be cascaded；It applies tin copper strips 3 13 and extends to mould
48 edge of block 1 and module, and conducting resin adhesion circuit lead-out wire three is used in 3 13 left and right sides of painting tin copper strips respectively
14, circuit lead-out wire 15；
6. module 2 16 is put in 3 12 side of the positive electrode of module, using conducting resinl in the fixed painting tin copper strips of 2 16 side of the positive electrode of module
4 17, it is by applying tin copper strips 4 17 that module 1 and module 2 16 is fixed, and be cascaded, same procedure uses conducting resinl
It is by applying tin copper strips 5 18 that module 3 12 and module 48 is fixed in the fixed painting tin copper strips 5 18 of 3 12 negative side of module, and go here and there
It is linked to together；Each lead-out wire is connect by circuit connecting relation with protection diode D1~D4 in terminal box 20；
7. EVA is laid on backboard 19 according to 430g/ square metres after, is laminated, chamfered edge, terminal box 20 is installed and is connect
Line, solidification, IV test, is packed and stored assembling frame 21.
Further, the circuit lead-out wire 5,9,14 and 15 carries out circuit using lower nonwoven cloth and upper layer EVA below
Insulation.
Further, the non-crimping portion of painting tin copper strips 13 of link block 2 16 and module 3 12 is encased inside EVA, to ensure it
It is effectively be bonded with cell aluminum paste.
The above is only specific embodiments of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. it is a kind of lower than the series-parallel component of the cell stack of 36V, it is characterized in that:
Including glass, four module one, module two, module three and the modules being sequentially connected in series are pasted by EVA on the glass
Four, each module is four series and parallel structures, and every string is cascaded by 17 cell pieces and is led between two adjacent cell pieces
Conducting resinl crimping is crossed, protection diode D1~D4, the cathode and module of module one are connected between the anode and cathode of each module
Two anode connection, the cathode of module two are connect with the anode of module three, and the cathode of module three is connect with the anode of module four, mould
The anode of block one and the cathode of module four draw main circuit anode and main circuit cathode respectively；
Tin copper strips one is applied using conducting resin adhesion in one side of the positive electrode of module, four string cell piece anodes of module one is made to be connected to one
It rises；Applying tin copper strips as circuit lead-out wire one by conducting resin adhesion on the painting tin copper strips one simultaneously is main circuit anode；
The fixed non-woven fabrics one for pasting two sides silica gel adhesive tape up and down, the non-woven fabrics on tin copper strips one are applied in one side of the positive electrode of module
One upper surface is fixed to apply tin copper strips two；Four negative side of module is fixed on by conducting resinl and is applied on tin copper strips two, and is applying tin
By the fixed circuit lead-out wire two of conducting resinl on copper strips two, pass through the nothing of 35~45mm of breadth between the module one and module four
Woven fabric two insulate, and EVA layer is equipped on non-woven fabrics two；
The side of the positive electrode of module three applies tin copper strips three using conducting resin adhesion, is consolidated module two and module three by applying tin copper strips three
It is fixed, and be cascaded；The painting tin copper strips three extends to four edge of module one and module, and respectively in the painting tin copper strips
Three left and right sides use conducting resin adhesion circuit lead-out wire three and circuit lead-out wire four；
Tin copper strips four is applied using conducting resinl is fixed in two side of the positive electrode of module, is consolidated module one and module two by applying tin copper strips four
It is fixed, and be cascaded；Tin copper strips five is applied using conducting resinl is fixed in three negative side of module, by applying tin copper strips five for module three
It is fixed with module four, and be connected in series to together；
Each module backplane lays EVA；Terminal box is installed on the backboard, the protection diode D1~D4 is located at the wiring
In box, the main circuit lead-out wire, circuit lead-out wire apply tin copper strips four and apply the protection diode in tin copper strips five and terminal box
D1~D4 connects and draws the main circuit positive and negative anodes, assembles frame in module outer edge.
2. the series-parallel component of the cell stack according to claim 1 lower than 36V, it is characterized in that: further, the mould
Block one and module four or so are adjacent, and the module two and module three or so are adjacent, and module two, module three and module one, module
About four arrangements；The crimping upwards piecewise from left to right of every string cell piece, the module two and mould in the module one and module four
Every string cell piece crimping downwards piecewise from left to right in block three.
3. the series-parallel component of the cell stack according to claim 1 lower than 36V, it is characterized in that: below circuit lead-out wire
Circuit isolation is carried out using lower nonwoven cloth and upper layer EVA.
4. the series-parallel component of the cell stack according to claim 1 lower than 36V, it is characterized in that: link block two and mould
The non-crimping portion pad of the painting tin copper strips of block three sets EVA.
5. the series-parallel component of the cell stack according to claim 1 lower than 36V, it is characterized in that: applying tin copper strips one, applying tin
Copper strips two and the length and width specification for applying tin copper strips three are 0.12~0.8mm × 10~20mm.
6. it is a kind of lower than the series-parallel assembly making method of the cell stack of 36V, it is characterized in that: steps are as follows:
1) by 5 waits monolithic battery piece to divide first carries out a scribings, and in cutting process, the depth of laser cutting is less than or equal to battery
The 50% of piece thickness prevents from causing the bad of cell piece due to depth of cut；
2) is laid with glass on station, and according to 430g~500g/ square metres of laying EVA on glass；Cell piece is used
The crimping of conducting resinl positive and negative anodes, crimping portion width are 1.5mm~2mm, continuous crimping 17, after being formed continuously four strings, four go here and there into
Row is in parallel, forms module one, and module two, module three and module four, the module one, module are made simultaneously using same way
Two, module three and four front of module are fitted on glass by EVA；
3) one side of the positive electrode of module applies tin copper strips one using conducting resin adhesion, and four string cell piece anodes of module one is made to be connected to one
It rises；Applying tin copper strips as circuit lead-out wire one by conducting resin adhesion on applying tin copper strips one simultaneously is main circuit anode；
4) pastes the painting tin copper strips that two sides silica gel adhesive tape is fixed on one side of the positive electrode of module for about one non-woven fabrics that insulation uses is played
On, the fixed specification in one upper surface of non-woven fabrics is to apply tin copper strips two；Four negative side of module is fixed on by conducting resinl and applies tin copper strips two
Upper surface, and the use of the fixed circuit lead-out wire two of conducting resinl is main circuit cathode on applying tin copper strips two；In module one and module
It is insulated between four using the non-woven fabrics two of 35~45mm of breadth, non-woven fabrics two covers EVA layer above；
5) applies tin copper strips three using conducting resin adhesion in the side of the positive electrode of module three, by applying tin copper strips three for module two and module
Three is fixed, and is cascaded；It applies tin copper strips three and extends to four edge of module one and module, and applying three left side of tin copper strips respectively
Right two sides use conducting resin adhesion circuit lead-out wire three and circuit lead-out wire four；
6) is fixed in two side of the positive electrode of module using conducting resinl and is applied tin copper strips four, by applying tin copper strips four for module one and module two
It is fixed, and be cascaded；Same procedure, in the fixed painting tin copper strips five of three negative side of module, is passed through using conducting resinl and applies tin copper strips
Five is fixed by module three and module four, and is connected in series to together；
7) lay EVA in backboard according to 360g~500g/ square metres after, be laminated, chamfered edge, installation terminal box and line,
Group frame, IV test, is packed and stored solidification.
7. the series-parallel assembly making method of the cell stack according to claim 6 lower than 36V, it is characterized in that: the mould
Block one and module four or so are adjacent, and the module two and module three or so are adjacent, and module two, module three and module one, module
About four arrangements；The crimping upwards piecewise from left to right of every string cell piece, the module two and mould in the module one and module four
Every string cell piece crimping downwards piecewise from left to right in block three.
8. the series-parallel assembly making method of the cell stack according to claim 6 lower than 36V, it is characterized in that: the electricity
Circuit isolation is carried out using lower nonwoven cloth and upper layer EVA below pass outlet.
9. the series-parallel assembly making method of the cell stack according to claim 6 lower than 36V, it is characterized in that: connection mould
The non-crimping portion of painting tin copper strips of block two and module three is encased inside EVA, to ensure that it is effectively be bonded with cell aluminum paste.
10. the series-parallel assembly making method of the cell stack according to claim 6 lower than 36V, it is characterized in that: the painting
Tin copper strips one applies tin copper strips two and applies the length and width specification of tin copper strips three as 0.12~0.8mm × 10~20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245399.4A CN109301019A (en) | 2018-10-24 | 2018-10-24 | Lower than series-parallel component of the cell stack of 36V and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245399.4A CN109301019A (en) | 2018-10-24 | 2018-10-24 | Lower than series-parallel component of the cell stack of 36V and preparation method thereof |
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| CN109301019A true CN109301019A (en) | 2019-02-01 |
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| CN201811245399.4A Withdrawn CN109301019A (en) | 2018-10-24 | 2018-10-24 | Lower than series-parallel component of the cell stack of 36V and preparation method thereof |
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Application publication date: 20190201 |