CN104716226B - The manufacture method of the battery unit of low-concentration photovoltaic battery - Google Patents
The manufacture method of the battery unit of low-concentration photovoltaic battery Download PDFInfo
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- CN104716226B CN104716226B CN201310694592.7A CN201310694592A CN104716226B CN 104716226 B CN104716226 B CN 104716226B CN 201310694592 A CN201310694592 A CN 201310694592A CN 104716226 B CN104716226 B CN 104716226B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The invention discloses a kind of manufacture method of the battery unit of low-concentration photovoltaic battery, the manufacture method of battery unit is comprised the following steps：A plurality of cell strip is placed in multiple locating slots of the first positioner one by one, realize being mutually located for multiple cell strips, then first group of electrode welding rod is welded in the position of the main grid pole of multiple cell strips, it is placed in multiple location divisions of the second positioner one by one after multiple cell strips are overturn, wherein, the second positioner has the groove for accommodating first group of electrode welding rod；And insulation spacer is placed in the gap between cell strip, second group of electrode welding rod is welded in the position of the main grid pole of another side surface of multiple cell strips afterwards.According to the manufacture method of the battery unit of the low-concentration photovoltaic battery of the present invention, in the case where same photovoltaic cell volume is maintained, the usage amount of silicon chip is saved, while facilitating the assembling of battery unit.
Description
Technical field
The present invention relates to a kind of manufacture method of the battery unit of low-concentration photovoltaic battery.
Background technology
Generating is the natural energy resources Land use systems being closely related with modern science and technology, in various forms of electricity generation, unit quantity of electricity
Cost of electricity-generating is one of most emulative index of various forms of electricity generation.
With innovation and the day by day maturation of photovoltaic industry of photovoltaic technology, unit quantity of electricity cost of electricity-generating is to acceptable level
Approach year by year, solar energy power generating has been promoted the use of in many developed country or region such as Japan and West Europe.
The unit quantity of electricity cost of electricity-generating of photovoltaic cell depends primarily on the production cost of photovoltaic cell, ripe photovoltaic cell
It is made up of glass plate, backboard and sandwiched multiple battery units (chip) arranged in arrays between, wherein, improves chip
Service efficiency and expand the scale of production be reduce battery cost effective measures.
At present, the research of chip utilization ratio is improved by low-concentration, for example double V-shaped slot type low-concentration light
Volt system, referring to《Double V-shaped slot type low-concentration photovoltaic system experimentation research》(Wang Jin equalitys, Southeast China University's journal 2012 (42),
Page 698).Above-mentioned photovoltaic system optically focused by the way of reflection, because of catoptric arrangement footprint area greatly, in ripe flat light
It is difficult with volt battery.
At present, using standard-sized silicon chip, example on common Flat type photovoltaic battery and the floating photocell of low-concentration
Such as three main gate line silicon chip of the double main gate line silicon chips of 125 types (125cm*125cm) and 156 types (156cm*156cm), when improving silicon chip
During utilization ratio, the volume of photovoltaic cell can be caused to be significantly increased, the two can not be taken into account.
Content of the invention
It is an object of the invention to provide a kind of manufacture method of the battery unit of low-concentration photovoltaic battery, to maintain
The utilization ratio of silicon chip is improved while photovoltaic cell volume does not increase.
For this purpose, the invention provides a kind of manufacture method of the battery unit of low-concentration photovoltaic battery, the low-concentration
Photovoltaic cell includes that glass plate, backboard and the multiple battery units between glass plate and backboard, the glass plate are included simultaneously
Multiple condensing cylindricals of row arrangement, battery unit include corresponding multiple cell strips of setting with multiple condensing cylindricals and are electrically connected
The electrode welding rod of multiple cell strips is connect, the manufacture method of battery unit is comprised the following steps：A plurality of cell strip is placed in one by one
In multiple locating slots of the first positioner, being mutually located for multiple cell strips is realized, then in the main grid pole of multiple cell strips
Position weld first group of electrode welding rod, will multiple cell strips overturn after be placed on multiple location divisions of the second positioner one by one
In, wherein, the second positioner has the groove for accommodating first group of electrode welding rod；And the gap between cell strip is placed absolutely
Edge pad, welds second group of electrode welding rod in the position of the main grid pole of another side surface of multiple cell strips afterwards.
Further, the first end of each locating slot of multiple locating slots of above-mentioned first positioner is opening.
Further, the second end of each locating slot of multiple locating slots of above-mentioned first positioner is connected with translot,
Translot forms the interior positioning end face of cell strip.
Further, the groove depth of above-mentioned multiple locating slots is equal to the thickness of cell strip, and the head and the tail two ends of locating slot are respectively formed
Backstop groove of the depth more than the groove depth of locating slot.
Further, each location division in multiple location divisions of above-mentioned second positioner includes first for locating batteries bar
The first backstop groove and the second backstop groove at tail two ends, wherein, the groove depth of the first backstop groove and the second backstop groove is more than cell strip
Thickness.
Further, above-mentioned first backstop groove is that initial part is opening, and the end of the second backstop groove is connected with translot.
Further, length of the length of above-mentioned insulation spacer less than cell strip.
Further, each cell strip above-mentioned is obtained by cutting rectangle silicon chip along the direction parallel to thin grid line, wherein,
Rectangle silicon chip includes one group of thin grid line being parallel to each other and at least two main gate lines perpendicular to the arrangement of thin grid line.
Further, each cell strip above-mentioned includes at least one thin grid line.
Further, above-mentioned multiple cell strips are parallel to each other and equally spaced arrange.
According to the manufacture method of the battery unit of the low-concentration photovoltaic battery of the present invention, same photovoltaic electric pond body is being maintained
In the case of product, battery unit saves the usage amount of silicon chip, and battery list using multiple cell strips of spaced arrangement
In unit, each cell strip is achieved and is mutually located, and so in the case where battery unit and glass plate to be mutually located, is then achieved
Cell strip is alignd with condensing cylindrical, so as to facilitate the assembling of battery unit.
In addition to purpose described above, feature and advantage, other purposes that the present invention has, feature and excellent
Point, will combine accompanying drawing and be described in further detail.
Description of the drawings
Constitute the part of this specification, being preferable to carry out for the present invention is shown for further understanding the accompanying drawing of the present invention
Example, and the principle for being used for the present invention is described together with specification.In figure：
Fig. 1 is the operation principle schematic diagram of the low-concentration photovoltaic battery according to the present invention；
Fig. 2 is the structural decomposition diagram of the low-concentration photovoltaic battery according to the present invention；
Fig. 3 is the structural representation of the battery unit of the low-concentration photovoltaic battery according to the present invention；
Fig. 4 is for making the structural representation of the rectangle silicon chip of cell strip in manufacture method according to battery unit of the present invention
Figure；
Fig. 5 is the structural representation of the first positioner used according to the manufacture method of battery unit of the present invention；
Fig. 6 is the corresponding relation figure with multiple cell strips therebetween of the first positioner shown in Fig. 5；
Fig. 7 is the structural representation of the second positioner used according to the manufacture method of battery unit of the present invention；With
And
Fig. 8 is the corresponding relation between the second positioner shown in Fig. 7 and multiple cell strips and multiple insulation spacer threes
Figure.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways for covering.
Fig. 1 is the operation principle schematic diagram of the low-concentration photovoltaic battery according to the present invention, and Fig. 2 is according to the low of the present invention
The structural decomposition diagram of times Condensation photovoltaic battery, as depicted in figs. 1 and 2, low-concentration photovoltaic battery includes glass plate 10, the back of the body
Plate 30 and the multiple battery units 20 between glass plate and backboard, glass plate 10 include multiple optically focused of arranged in parallel
Cylinder 11, battery unit 20 include corresponding multiple cell strips 21 of setting with multiple condensing cylindricals 11 and electrically connect multiple electricity
The electrode welding rod 22 of pond bar 21, wherein, the width of cell strip 21 is adapted with 11 corresponding optically focused width of condensing cylindrical.
In the present invention, condensing cylindrical forms collector lens, by light collection to cell strip, the width of such cell strip
It is adapted with the optically focused width of condensing cylindrical, thus, in the case where sunshine area is essentially identical, the photovoltaic cell of the present invention subtracts
Lack the usage amount of battery chip, reduce the production cost of photovoltaic cell.
In the present invention, condensing cylindrical plays optically focused effect, may be selected to be arc surface, it is also possible to be chosen as quadratic surface,
Can be designed according to focusing ratio, it is preferable that the focusing ratio of the photovoltaic cell of the present invention is chosen as 1.5～3, preferably 2～3.Its
In, ratio of the focusing ratio for the light bandwidth after maximum span and the convergence of condensing cylindrical.Wherein, glass sheet lower surface is to upper surface
The gross thickness of highest point is preferably controlled in 3～10mm or so.
The ash discharge groove 12 of arc or rectangle is provided between condensing cylindrical, and the effect of the ash discharge groove 12 of the shape is weighed very much
Will, alleviate the dust accretions of condensing cylindrical and the transmission that causes hinders.When ash discharge groove 12 is not provided with, between condensing cylindrical
The gap that is hinged of self-assembling formation is easy to grey betting contest and covers significant portion surface, so as to cause light transmittance to reduce.Using upper
The ash discharge groove 12 of shape is stated, a small amount of dust not only can be kept in, also allowed for dust and be eliminated the mode for example with purging.
In the present invention, the glass plate and condensing cylindrical are integrally formed, it is preferable that the glass plate with condensing cylindrical is by glass
Compression molding after melting.
Fig. 3 is the structural representation of the battery unit of the low-concentration photovoltaic battery according to the present invention, in conjunction with reference to Fig. 1 and
Fig. 3, battery unit 20 include being parallel to each other interval multiple cell strips 21 and the multiple cell strips 21 of electrical connection electrode welding rod 22,
Wherein, the electrode welding rod 22 of one side surface of multiple cell strips has two and is symmetrical arranged, the bearing of trend of electrode welding rod 22 with
The length direction of cell strip is vertical.
Electrode welding rod 22 is included positioned at the positive pole welding rod 22a of 21 1 side surface of multiple cell strips and positioned at multiple cell strips 21
The negative pole welding rod 22b of another side surface.Wherein, the position of both negative pole welding rod 22b and positive pole welding rod 22a faces each other, also,
Electrical insulation material layer 23 is provided between adjacent two cell strip of multiple cell strips 21.
Again as shown in figure 1, the side of backboard 30 is provided with positioning frame 31, for positioning glass plate 10, backboard 30 is provided with
Electrode welding rod locating slot 32, it is preferable that so can achieve the mutual contraposition of condensing cylindrical, battery unit and cell strip.
Below the battery unit weld mold of the low-concentration photovoltaic battery according to the present invention is described.Weld mold
The second positioning including the first positioner 50 for first group of electrode welding rod of welding and for welding second group of electrode welding rod
Device 60.
Fig. 5 is the structural representation of the first positioner used according to the manufacture method of battery unit of the present invention.Such as
Shown in Fig. 5, the first positioner 50 includes the first working surface, and wherein, the first working surface is provided with one group of locating slot 51, uses
In multiple cell strips 21 are placed correspondingly, in one group of locating slot 51, the groove depth of the mid portion 51a of each locating slot is equal to electricity
The thickness of pond bar 21.So after each locating slot placing battery bar, the region that mid portion 51a is located forms smooth welding table
Face, in order to welding operation.
The first end of multiple locating slots 51 is opening, for being put into cell strip from the opening.
Second end of multiple locating slots 51 is connected with the translot 52 extended perpendicular to locating slot, and wherein, translot forms battery
The interior positioning end face of bar.The translot 52 facilitates each locating slot machine finishing while having.
Battery unit weld mold also includes that the head and the tail two ends for being formed at locating slot 51 and depth are more than the groove of locating slot
Deep backstop groove 51b.
According to the battery unit weld mold of the low-concentration photovoltaic battery of the present invention, formed on the first positioner 50 many
Individual detent and smooth face of weld, facilitate the welding of the electrode welding rod of multiple cell strips and a side surface in battery unit
Assembling.
Fig. 7 is the structural representation of the second positioner used according to the manufacture method of battery unit of the present invention.Such as
Shown in Fig. 7, the second positioner 60 includes that the second working surface, the second working surface have the recessed of first group of electrode welding rod of receiving
Groove 62, the depth of groove 62 are equal to the thickness of first group of electrode welding rod, thus, multiple positioning strips are on the second working surface
Same plane position, to facilitate second group of electrode welding rod of welding.
Second positioner 60 is also included for positioning multiple location divisions 61 of multiple cell strips 21 one by one, wherein, multiple
Each location division in location division 61 includes the first backstop groove 61a and the second backstop groove 61b for locating batteries bar head and the tail two ends,
Wherein, thickness of the groove depth of the first backstop groove 61a and the second backstop groove 61b more than cell strip, to realize that cell strip is spaced,
Insulation spacer is placed between cell strip so as to follow-up.
It is opening that above-mentioned first backstop groove is initial part, and the end of the second backstop groove is connected with translot 62.The translot 62 is used
Lateral attitude in locating batteries piece.
Below the manufacture method of the battery unit according to the present invention is described in detail.
The manufacture method of battery unit is comprised the following steps：A plurality of cell strip is placed in the first positioner by S11 one by one
Multiple locating slots in, realize being mutually located for multiple cell strips, then in the position welding the of the main grid pole of multiple cell strips
One group of electrode welding rod；S13, is placed in multiple location divisions of the second positioner, wherein after multiple cell strips are overturn one by one,
Second positioner has the groove for accommodating first group of electrode welding rod；And S15, felt pad is placed in the gap between cell strip
Piece, welds second group of electrode welding rod in the position of the main grid pole of another side surface of multiple cell strips afterwards.
In step s 11, multiple cell strips can pass through to cut the acquisition of rectangle silicon chip along the direction parallel to thin grid line, its
In, the structure of the rectangle silicon chip is as shown in figure 4, rectangle silicon chip 40 includes one group of thin grid line 41 being parallel to each other and perpendicular to thin grid
At least two main gate lines 42 of the arrangement of line 41.Thus, rectangle silicon chip 40 is cleavable into multiple cell strips, such as 20～30
Cell strip.
In step s 11, the schematic structure of the first positioner is in fig. 5 it is shown that multiple cell strips and the first positioning
The position relationship of device is used in figure 6, as shown in Figure 5 and Figure 6, the first positioner 50 include one group arrange at equal intervals determine
Position groove 51, is mutually located alignment with realize multiple cell strips, after each cell strip positioning is alignd, then the main gate line of each cell strip
Partly (this is only a bit of, equivalent to pad) is located on straight line, such that it is able to be used for the welding of subsequent electrode welding rod.
According to the manufacture method of the battery unit of the low-concentration photovoltaic battery of the present invention, same photovoltaic electric pond body is being maintained
In the case of product, battery unit saves the usage amount of silicon chip, and battery list using multiple cell strips of spaced arrangement
In unit, each cell strip is achieved and is mutually located, and so in the case where battery unit and glass plate to be mutually located, is then achieved
Cell strip is alignd with condensing cylindrical, so as to facilitate the assembling of battery unit.
In step s 13, the structure of the second positioner figure 7 illustrates.In an alternative embodiment, first is positioned
Multiple positioning strips in device take out and overturn and are placed in the second positioner.In another alternative embodiment, fixed by first
Position device and the second positioner are entire together, by multiple location divisions of multiple positioning strips entirety back-off to the second positioner
In.
In step S15, the position between insulation spacer 23 and multiple cell pieces and the second positioner three is correspondingly closed
System figure 8 illustrates, as shown in figure 8, the length of insulation spacer 23 less than cell piece length, be placed on corresponding cell piece it
Between gap in, for prevent upper/lower electrode welding rod overlap.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of manufacture method of the battery unit of low-concentration photovoltaic battery, the low-concentration photovoltaic battery include glass
Plate, backboard and the multiple battery units between the glass plate and backboard, it is characterised in that the glass plate includes
Multiple condensing cylindricals of arranged in parallel, the battery unit include corresponding the multiple electricity for arranging with the plurality of condensing cylindrical
Pond bar and the electrode welding rod of the plurality of cell strip of electrical connection, the manufacture method of the battery unit are comprised the following steps：
A plurality of cell strip is placed in multiple locating slots of the first positioner one by one, wherein described first positioner includes
First working surface, the plurality of locating slot are arranged on first working surface, realize the mutual of the plurality of cell strip
Positioning, then welds first group of electrode welding rod in the position of the main grid pole of the plurality of cell strip,
It is placed in multiple location divisions of the second positioner one by one after the plurality of cell strip is overturn, the location division includes
For positioning the first backstop groove and the second backstop groove at the cell strip head and the tail two ends, wherein, second positioner has
Accommodate the groove of first group of electrode welding rod；And
Insulation spacer is placed in gap between cell strip, afterwards in the position of the main grid pole of another side surface of the plurality of cell strip
Put second group of electrode welding rod of welding.
2. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 1, it is characterised in that described
The first end of each locating slot of multiple locating slots of the first positioner is opening.
3. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 2, it is characterised in that described
Second end of each locating slot of multiple locating slots of the first positioner is connected with translot, and the translot forms the cell strip
Interior positioning end face.
4. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 3, it is characterised in that described
The groove depth of multiple locating slots is equal to the thickness of the cell strip, and the head and the tail two ends of the locating slot are respectively formed depth more than described fixed
The backstop groove of the groove depth of position groove.
5. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 1, it is characterised in that described
Thickness of the groove depth of the first backstop groove and the second backstop groove more than the cell strip.
6. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 5, it is characterised in that described
It is opening that first backstop groove is initial part, and the end of the second backstop groove is connected with translot.
7. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 5, it is characterised in that described
Length of the length of insulation spacer less than the cell strip.
8. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 1, it is characterised in that each
The cell strip is obtained by cutting rectangle silicon chip along the direction parallel to thin grid line, and wherein, the rectangle silicon chip includes one group
The thin grid line being parallel to each other and at least two main gate lines perpendicular to the thin grid line arrangement.
9. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 8, it is characterised in that each
The cell strip includes at least one thin grid line.
10. the manufacture method of the battery unit of low-concentration photovoltaic battery according to claim 1, it is characterised in that institute
State multiple cell strips to be parallel to each other and equally spaced arrange.
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| CN201310694592.7A CN104716226B (en) | 2013-12-17 | 2013-12-17 | The manufacture method of the battery unit of low-concentration photovoltaic battery |
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| CN104716226A CN104716226A (en) | 2015-06-17 |
| CN104716226B true CN104716226B (en) | 2017-03-15 |
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| CN108870771A (en) * | 2018-05-15 | 2018-11-23 | 芜湖君如保温材料有限公司 | A kind of light collecting heat insulating photovoltaic plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373800A (en) * | 2007-08-23 | 2009-02-25 | 米亚索能太阳能技术（上海）有限公司 | Positioning system for tandem arrangement of flexible CIGS solar battery slice and positioning method thereof |
| CN202474004U (en) * | 2011-12-20 | 2012-10-03 | 芜湖奥托自动化设备有限公司 | Solar concentrating module automatic production line |
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2013
- 2013-12-17 CN CN201310694592.7A patent/CN104716226B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373800A (en) * | 2007-08-23 | 2009-02-25 | 米亚索能太阳能技术（上海）有限公司 | Positioning system for tandem arrangement of flexible CIGS solar battery slice and positioning method thereof |
| CN202474004U (en) * | 2011-12-20 | 2012-10-03 | 芜湖奥托自动化设备有限公司 | Solar concentrating module automatic production line |
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