CN208240711U - String cutting apparatus - Google Patents

String cutting apparatus Download PDF

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Publication number
CN208240711U
CN208240711U CN201820954515.9U CN201820954515U CN208240711U CN 208240711 U CN208240711 U CN 208240711U CN 201820954515 U CN201820954515 U CN 201820954515U CN 208240711 U CN208240711 U CN 208240711U
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CN
China
Prior art keywords
cuts
cutting apparatus
string
battery strings
string cutting
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.)
Active
Application number
CN201820954515.9U
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Chinese (zh)
Inventor
陈志浩
伏友银
许涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canadian Solar Inc
CSI Cells Co Ltd
Canadian Solar Manufacturing Changshu Inc
Original Assignee
Canadian Solar Manufacturing Changshu Inc
CSI Solar Technologies Inc
Atlas Sunshine Power Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canadian Solar Manufacturing Changshu Inc, CSI Solar Technologies Inc, Atlas Sunshine Power Group Co Ltd filed Critical Canadian Solar Manufacturing Changshu Inc
Priority to CN201820954515.9U priority Critical patent/CN208240711U/en
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Publication of CN208240711U publication Critical patent/CN208240711U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Photovoltaic Devices (AREA)

Abstract

The utility model provides a kind of string cutting apparatus, applied on photovoltaic cell string welder, the string cutting apparatus includes at least one cutter, the position that cuts of at least one cutter includes that first be spaced apart in battery strings transmission direction cuts position and second and cut position, if the end welding of battery strings head end enters string and cuts position, the string cutting apparatus control cutter cuts position execution described first and cuts movement, if the end welding of battery strings tail end, which enters string, cuts position, the string cutting apparatus control cutter cuts position execution described second and cuts movement.The string cutting apparatus of the utility model passes through at least two be spaced apart and cuts position, it produces head and the tail and reserves the different first kind battery strings and the second class battery strings of welding length, it is placed with outside the region of cell piece to realize terminal box being arranged to photovoltaic module, terminal box is solved to the occlusion issue of back side illuminaton light, promotes the efficiency of two-sided photovoltaic module.

Description

String cutting apparatus
Technical field
The utility model relates to field of photovoltaic power generation more particularly to a kind of string cutting apparatus of photovoltaic cell string.
Background technique
Two-sided photovoltaic module because its it is two-sided can light power generation due to favor by industry.In existing photovoltaic module In, terminal box is generally fixed in the surface of component backboard and is located at photovoltaic module and is placed in the region of cell piece, thus Terminal box to the light for being irradiated to cell piece surface from module backside cause it is certain block, and then affect two-sided photovoltaic group The efficiency of part.
Utility model content
The purpose of this utility model is to provide a kind of string cutting apparatus, to obtain efficient two-sided photovoltaic module.
To realize that above-mentioned purpose of utility model, the technical solution that the utility model embodiment is taken are as follows:
A kind of string cutting apparatus is applied on photovoltaic cell string welder, and the string cutting apparatus includes at least one cutter, The position that cuts of at least one cutter includes that first be spaced apart in battery strings transmission direction cuts position and second Position is cut, if the end welding of battery strings head end enters string and cuts position, the string cutting apparatus control cutter is cut described first Position executes and cuts movement, if the end welding of battery strings tail end enters string and cuts position, the string cutting apparatus control cutter is described Second, which cuts position execution, cuts movement.
Cutting position described in as a further improvement of the utility model, further includes that third cuts position, is passed in battery strings On defeated direction, described second, which cuts position, cuts position and the third is cut between position positioned at described first, needed for definition The length that the end welding at the battery strings both ends of production extends beyond cell piece edge is respectively a and b, and described first cuts position And described second cut distance between position, described second cut position and distance that the third is cut between position is equal to a With the difference of b.
2≤a/b≤5 as a further improvement of the utility model,.
20mm < a < 30mm as a further improvement of the utility model, 6mm <b < 10mm.
The string cutting apparatus cuts position at each and respectively corresponds setting one as a further improvement of the utility model, A cutter.
The cutter number that the string cutting apparatus includes as a further improvement of the utility model, which is less than, cuts positional number, institute Stating string cutting apparatus includes the cutter that at least one can be moved horizontally in battery strings transmission direction, to cut position at least two Between switch.
The beneficial effect of the utility model embodiment includes: that string cutting apparatus is two or more by being spaced apart Cut position, produce head and the tail and reserve the different first kind battery strings and the second class battery strings of welding length, thus realize by Terminal box is arranged to photovoltaic module and is placed with outside the region of cell piece, solves terminal box to the occlusion issue of back side illuminaton light, Promote the efficiency of two-sided photovoltaic module.
Detailed description of the invention
Fig. 1 is the partial structure diagram that the utility model string cutting apparatus cuts photovoltaic cell string obtained;
Fig. 2 is the schematic diagram of first kind battery strings in photovoltaic cell string in Fig. 1;
Fig. 3 is the schematic diagram of the second class battery strings in photovoltaic cell string in Fig. 1;
Fig. 4 is the enlarged diagram in Fig. 2 at C;
Fig. 5 is the enlarged diagram in Fig. 2 at D;
Fig. 6 is the rough schematic for the first embodiment that the utility model string cutting apparatus cuts battery strings;
Fig. 7 is the rough schematic for the second embodiment that the utility model string cutting apparatus cuts battery strings;
Fig. 8 is the schematic diagram of the utility model string cutting apparatus and photovoltaic cell string.
Specific embodiment
The utility model is described in detail below with reference to embodiment shown in the drawings.But the embodiment is not Limit the utility model, structure that those skilled in the art are made according to the embodiment, method or functionally Transformation is all contained in the protection scope of the utility model.
The utility model provides a kind of string cutting apparatus applied on photovoltaic cell string welder, please refers to Fig. 1 extremely Shown in Fig. 5, the photovoltaic cell string includes several parallel arrangeds and spaced battery strings 10, and each battery strings 10 are wrapped N cell piece 11 is included, and adjacent two cell piece 11 is connected by welding 12.In the embodiment that the utility model is shown, often It can also be in other embodiments the other quantities such as 12 that one battery strings 10, which have 10 cell pieces,.
The photovoltaic module 100 includes several parallel arrangeds and spaced first kind battery strings A(abbreviation A goes here and there) and the Two class battery strings B(abbreviation B string), the first kind battery strings A and the second class battery strings B are arranged alternately.First kind battery strings A and The positive and negative electrode direction of second class battery strings B is in being reversed, and phase each other between first kind battery strings A and the second class battery strings B Mutually series connection.
In the present embodiment, the end welding of the first kind battery strings A positive terminal extends beyond 11 edge of cell piece Length is a, and the length that the end welding of the first kind battery strings A negative pole end extends beyond 11 edge of cell piece is b, described the The length that the end welding of two class battery strings B positive terminals extends beyond 11 edge of cell piece is b, and the second class battery strings B is negative The length that extreme end welding extends beyond 11 edge of cell piece is a, the positive terminal of the first kind battery strings A and described the The negative pole end of two class battery strings B is in the same end.
In the present invention, the terminal box is placed in photovoltaic module 100 and is placed with outside the region of cell piece 11, tool For body, the back side of the photovoltaic module 100 includes along 10 orientation of battery strings extension and first area in long strip, institute The first end that first area is located at the battery strings 10 is stated, the terminal box is adhered on the first area.
It please join Fig. 6 and as shown in connection with fig. 8, in first preferred embodiment of the utility model, grab cell piece 11 with institute Spacing d is stated arrange and be respectively attached adjacent two cell piece 11 by welding 12, the string between adjacent cell string 10 Spacing L1 and L2.The end welding at 10 both ends of battery strings produced needed for definition extends beyond the length difference at 11 edge of cell piece For a and b, wherein 2≤a/b≤5, and 20mm < a < 30mm, 6mm <b < 10mm, and L1=2a, L2=2b.
In the present embodiment, the string cutting apparatus includes at least one cutter 20, at least one cutter 20 is cut Position includes that first be spaced apart on 10 transmission direction of battery strings (string conveying direction as shown in Figure 8) cuts position and Two cut position, if the end welding of battery strings head end enters string and cuts position, the string cutting apparatus control cutter 20 is described first It cuts position execution and cuts movement, if the end welding of battery strings tail end enters string and cuts position, the string cutting apparatus controls cutter 20 Position execution, which is cut, described second cuts movement.In the present embodiment, it described first, second cuts position and corresponds to adjacent two The midpoint (as shown in Figure 6) of connection welding belt 123 is cut between battery strings 10.
Join shown in Fig. 8, by the string cutting apparatus with being illustrated for a cutter 20, the end weldings of battery strings into Enter string and cut position, cutter 20, which is moved to first/second and cuts position, cuts end welding, busbar and cell piece to be welded 10 are connected with each other in series welding area.
In this way, string cutting apparatus is cut after position cuts the initial and end end of battery strings 10 described first, second, make The battery strings 10 are obtained to have a first end and a second end in their extension direction, the first end is equipped with first end welding 121, The second end is equipped with the second end welding 122, and the first end welding 121 extends beyond the length at 11 edge of cell piece For the first preset length a, the length that the second end welding 122 extends beyond 11 edge of cell piece is the second preset length b. The first end welding 121 with the first busbar for being connected with terminal box to interconnect.
It please join Fig. 7 and as shown in connection with fig. 8, in the second embodiment of the utility model, grab cell piece 11 between described Arrange away from d and be respectively attached adjacent two cell piece 11 by welding 12, the string spacing between adjacent cell string is L, wherein L=2a.
In the present embodiment, the position that cuts further includes that third cuts position, in the transmission direction of battery strings 10, institute It states second and cuts position and cut position and the third is cut between position positioned at described first, described first cuts position and institute State second cut distance between position, described second cut position and distance that the third cuts between position be equal to a and b it Difference.
In this way, string cutting apparatus is cut after position cuts the initial and end end of battery strings 10 described first, second, make The first end weldings 121 of the battery strings 10 to extend beyond the length at 11 edge of cell piece be the first preset length a, it is described The length that the second end welding 122 extends beyond 11 edge of cell piece is the second preset length b.
In addition, the setting of cutter 20 of the utility model can be there are many embodiment, string cutting apparatus can only have one The case where cutter 20;In another better embodiment, the string cutting apparatus can also cut position at each and respectively correspond One cutter 20 is set;Alternatively, the cutter number that the string cutting apparatus includes also is smaller than and cuts positional number, the string cutting apparatus packet At least one cutter 20 that can be moved horizontally in battery strings transmission direction is included, is switched between position with being cut at least two.
The utility model string cutting apparatus passes through be spaced apart two or more and cuts position, and it is pre- to produce head and the tail The first kind battery strings and the second class battery strings that welding length is different are stayed, terminal box is arranged to photovoltaic module row to realize It is furnished with outside the region of cell piece, solves terminal box to the occlusion issue of back side illuminaton light, promote the efficiency of two-sided photovoltaic module.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiments of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of string cutting apparatus is applied on photovoltaic cell string welder, it is characterised in that: the string cutting apparatus includes at least The position that cuts of one cutter, at least one cutter includes that first be spaced apart in battery strings transmission direction cuts position It sets and cuts position with second, if the end welding of battery strings head end enters string and cuts position, the string cutting apparatus control cutter is described First, which cuts position execution, cuts movement, if the end welding of battery strings tail end enters string and cuts position, the string cutting apparatus control is cut Knife cuts position execution described second and cuts movement.
2. string cutting apparatus according to claim 1, it is characterised in that: the position that cuts further includes that third cuts position, In battery strings transmission direction, described second cut position positioned at described first cut position and the third cut position it Between, it is respectively a and b that the end welding at the battery strings both ends produced needed for defining, which extends beyond the length at cell piece edge, described First, which cuts position and described second, cuts distance between position, described second cuts position and the third is cut between position Distance is equal to the difference of a and b.
3. string cutting apparatus according to claim 2, it is characterised in that: 2≤a/b≤5.
4. string cutting apparatus according to claim 3, it is characterised in that: 20mm < a < 30mm, 6mm <b < 10mm.
5. string cutting apparatus according to claim 1 or 2, it is characterised in that: the string cutting apparatus cuts position at each Respectively correspond one cutter of setting.
6. string cutting apparatus according to claim 1 or 2, it is characterised in that: the cutter number that the string cutting apparatus includes is less than Positional number is cut, the string cutting apparatus includes the cutter that at least one can be moved horizontally in battery strings transmission direction, extremely Few two cut and switch between position.
CN201820954515.9U 2018-06-20 2018-06-20 String cutting apparatus Active CN208240711U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820954515.9U CN208240711U (en) 2018-06-20 2018-06-20 String cutting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820954515.9U CN208240711U (en) 2018-06-20 2018-06-20 String cutting apparatus

Publications (1)

Publication Number Publication Date
CN208240711U true CN208240711U (en) 2018-12-14

Family

ID=64574706

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820954515.9U Active CN208240711U (en) 2018-06-20 2018-06-20 String cutting apparatus

Country Status (1)

Country Link
CN (1) CN208240711U (en)

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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: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province

Patentee after: CSI Cells Co.,Ltd.

Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd.

Patentee after: Atlas sunshine Power Group Co.,Ltd.

Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province

Patentee before: CSI Cells Co.,Ltd.

Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd.

Patentee before: CSI SOLAR POWER GROUP Co.,Ltd.