CN210548908U - Battery piece scribing device and photovoltaic equipment with same - Google Patents
Battery piece scribing device and photovoltaic equipment with same Download PDFInfo
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- CN210548908U CN210548908U CN201921447541.3U CN201921447541U CN210548908U CN 210548908 U CN210548908 U CN 210548908U CN 201921447541 U CN201921447541 U CN 201921447541U CN 210548908 U CN210548908 U CN 210548908U
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- battery
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- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010147 laser engraving Methods 0.000 description 2
- 235000009537 plain noodles Nutrition 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
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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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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a battery piece scribing device and have its photovoltaic equipment, the scribing device includes the plummer, first laser instrument and second laser instrument, the plummer is used for bearing the battery piece, the battery piece includes that first region and second are regional, first region, the second is regional to be defined respectively has the line of cut of treating of a plurality of parallels, first laser instrument carries out the cutting action along the line of cut of treating in the first region, the second laser instrument carries out the cutting action along the line of cut of treating in the second region. The utility model discloses a battery piece scribing device can shorten laser sculpture time greatly to improve the productivity greatly, in addition, treat that the peripheral damage area of cut line reduces greatly, but greatly reduced laser is to the damage of battery piece itself, and because every bundle of laser energy difference is little, is favorable to improving the homogeneity of laser grooving.
Description
Technical Field
The utility model relates to a solar PV modules technical field especially relates to a battery piece scribing device and have its photovoltaic equipment.
Background
In the prior art, equipment for separating battery pieces is comprehensively upgraded and replaced from original mechanical grinding wheel cutting equipment to laser equipment, but the currently adopted laser equipment adopts the same laser to cut the same battery pieces, and has the defects of low productivity, uneven scribing, large damage and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery piece scribing device and have its photovoltaic equipment, it can improve the productivity greatly, and can reduce the scribing damage.
In order to realize one of the above objects of the utility model, an embodiment of the utility model provides a battery piece scribing device, including plummer, first laser instrument and second laser instrument, the plummer is used for bearing the weight of the battery piece, the battery piece includes first region and second region, the line of cutting of waiting of a plurality of parallels is defined respectively in first region, the second region, first laser instrument is followed the line of cutting of waiting in the first region carries out the cutting action, the second laser instrument is followed the line of cutting of waiting in the second region carries out the cutting action.
As an embodiment of the utility model provides a further improvement, each battery piece a plurality of lines of cut of waiting are parallel to each other and all extend along first direction, just a plurality of lines of cut of waiting are arranged along the second direction, and each battery piece is including being located the first line group of waiting to cut in first region and being located the second in the second region and waiting to cut the line group, first waiting to cut the line group and including following a plurality of lines of cut of waiting of second direction continuous arrangement, the second is waited to cut the line group and is included the edge a plurality of lines of cut of waiting of second direction continuous arrangement.
As an embodiment of the present invention, the first line group of waiting to cut includes the edge the first central line that the first direction extends, the play plain noodles central point of first laser is followed first central line moves, the second line group of waiting to cut includes the edge the second central line that the first direction extends, the play plain noodles central point of second laser is followed the second central line moves.
As a further improvement of an embodiment of the present invention, the scribing device includes a position adjacent to the first station of the plummer, the first laser reaches the second laser set up side by side in the first station.
As a further improvement of an embodiment of the present invention, the scribing device includes a position adjacent to the first station and the second station of the plummer setting, the first laser set up in the first station department, the second laser set up in the second station department.
As a further improvement of an embodiment of the present invention, the scribing device includes a driving unit, and the driving unit is used for driving the bearing platform to rotate.
As an embodiment of the utility model provides a further improvement, the plummer is including bearing a plurality of stations that bear of bearing the battery piece, a plurality of stations that bear are including corresponding first station reaches the station and the pan feeding that bear of second station bear station, ejection of compact and bear the station.
As a further improvement of an embodiment of the present invention, the first laser and the second laser operate synchronously.
In order to realize one of the above objects of the present invention, an embodiment of the present invention provides a photovoltaic device, including as above the battery piece scribing device and the piece breaking device, the piece breaking device is used for breaking off a plurality of lines of cut of waiting after the cutting in order to form a plurality of sub-battery pieces.
As a further improvement of an embodiment of the present invention, the photovoltaic device further includes a forming device, the forming device is used for connecting the plurality of sub-battery pieces in a laminated tile manner.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model relates to an embodiment's battery piece scribing device can shorten laser sculpture time greatly to improve the productivity greatly, in addition, treat that the peripheral damage area of cut line reduces greatly, but greatly reduced laser is to the damage of battery piece itself, and because every bundle of laser energy difference is little, is favorable to improving the homogeneity of laser grooving.
Drawings
Fig. 1 is a schematic view of a first specific example of a scribing apparatus for battery pieces according to an embodiment of the present invention;
fig. 2 is a schematic view of a second specific example of a battery piece scribing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a photovoltaic apparatus according to an embodiment of the present invention;
fig. 4 is a schematic view of a battery piece in the process of breaking off the battery piece according to an embodiment of the present invention;
fig. 5 is a schematic view of a shingle assembly according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
In the various drawings of the present invention, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration, and thus, are used only to illustrate the basic structure of the subject matter of the present invention.
Referring to fig. 1, a schematic diagram of a battery piece scribing apparatus 100 according to an embodiment of the present invention is shown.
The battery piece scribing device 100 includes a carrying table 10, a first laser 21 and a second laser 22.
The bearing table 10 is used for bearing a battery piece 30, the battery piece 30 comprises a first area A1 and a second area A2, and a plurality of parallel lines 31 to be cut are respectively defined in the first area A1 and the second area A2.
The first laser 21 performs a cutting action along the line 31 to be cut within the first area a1, and the second laser 22 performs a cutting action along the line 31 to be cut within the second area a 2.
Here, the plurality of lines to be cut 31 of the same cell 30 are cut by the first laser 21 and the second laser 22 in cooperation, and compared with a laser device having one laser in the prior art, the number of the lines to be cut 31 corresponding to each laser 21, 22 in the present embodiment is reduced, and under the condition that the energy of each laser is constant, the laser energy emitted by the laser in the present embodiment is larger, so that the laser engraving time can be greatly shortened, and the productivity can be greatly improved.
In addition, the distance between the line to be cut 31 and the corresponding first laser 21 and second laser 22 is short, and the heat affected zone of each laser beam is also greatly reduced, that is, the damaged zone around the line to be cut 31 is greatly reduced, which can greatly reduce the damage of the laser beam to the cell 30 itself, and is beneficial to improving the uniformity of laser grooving because the energy difference of each laser beam is small.
In other embodiments, the number of lasers may also be adjusted according to the number of lines to be cut, other factors, etc., such as three lasers, etc.
Each cell 30 includes a first group of lines to be cut 31a and a second group of lines to be cut 31b, the first group of lines to be cut 31a is located in the first area a1, the second group of lines to be cut 31b is located in the second area a2, the first laser 21 is used for cutting the first group of lines to be cut 31a, and the second laser 22 is used for cutting the second group of lines to be cut 31 b.
Specifically, the plurality of to-be-cut lines 31 of each cell 30 are parallel to each other and extend along the first direction X, the plurality of to-be-cut lines 31 are arranged along the second direction Y, the first to-be-cut line group 31a includes the plurality of to-be-cut lines 31 continuously arranged along the second direction Y, and the second to-be-cut line group 31b includes the plurality of to-be-cut lines 31 continuously arranged along the second direction Y.
It should be noted that the first direction X is perpendicular to the second direction Y, and when the placement position of the battery piece 30 changes, the specific direction indicated by the first direction X and the second direction Y also changes.
In addition, the present embodiment is described by taking the example that the pitches between the plurality of to-be-cut lines 31 are equal, but not limited thereto.
Here, taking the battery piece 30 including five to-be-cut lines 31 as an example, the five to-be-cut lines 31 are a first to-be-cut line 311a, a second to-be-cut line 312a, a third to-be-cut line 313a, a fourth to-be-cut line 311b and a fifth to-be-cut line 312b arranged in sequence along the second direction Y, the first to-be-cut line group 31a includes the first to-be-cut line 311a, the first laser 21 emits a first laser beam L1, a second laser beam L2, and a third laser beam L3 to cut the first to-be-cut line 311a, the second to-be-cut line 312a, and the third to-be-cut line 313a, respectively, the second to-be-cut line group 31b includes a fourth to-be-cut line 311b and a fifth to-be-cut line 312b, and the second laser 22 emits a fourth laser beam L4 and a fifth laser beam L5 to cut the fourth to-be-cut line 311b and the fifth to-be-cut line 312b, respectively.
In the present embodiment, the first to-be-cut line group 31a includes a first central line C1 extending along the first direction X, and the center point of the light emitting surface of the first laser 21 moves along the first central line C1.
Here, the first central line C1 coincides with the second to-be-cut line 312 a.
It can be seen that, at this time, the second laser beam L2 is parallel to the central axis of the light exit surface of the first laser 21, the included angles between the second laser beam L2 and the central axis and the included angles between the third laser beam L3 and the central axis are all smaller, that is, the inclinations of the first laser beam L1, the second laser beam L2 and the third laser beam L3 are all smaller, the heat affected zone when the first laser beam L1, the second laser beam L2 and the third laser beam L3 are cut can be greatly reduced, the energies of the first laser beam L1, the second laser beam L2 and the third laser beam L3 are all larger, the energy difference between the three is smaller, the productivity can be greatly improved, and the uniformity of laser grooving can be greatly increased.
The second group of lines to be cut 31b includes a second central line C2 extending along the first direction X, and the center point of the light emitting surface of the second laser 22 moves along the second central line C2.
Here, the second central line C2 is a central line between the fourth to-be-cut line 311b and the fifth to-be-cut line 312b, that is, the fourth to-be-cut line 311b and the fifth to-be-cut line 312b are symmetrically disposed with respect to the second central line C2.
It can be seen that, at this time, the included angles between the central axes of the light-emitting surfaces of the fourth laser beam L4 and the fifth laser beam L5 and the second laser 22 are both small, that is, the inclinations of the fourth laser beam L4 and the fifth laser beam L5 are both small, the heat affected zone when the fourth laser beam L4 and the fifth laser beam L5 are cut can be greatly reduced, the uniformity of laser grooving can be greatly increased, the energies of the fourth laser beam L4 and the fifth laser beam L5 are both large, the energy difference between the two is small, the productivity can be greatly increased, and the uniformity of laser grooving can be greatly increased.
In the embodiment, the lasers 21 and 22 are infrared nano lasers, the power range is 50W-300W, the frequency range is 50 KHZ-1000 KHZ, the cutting speed range is 1000 mm/s-6000 mm/s, the laser engraving frequency range is 1-30 times, the heat affected zone range is 60 um-120 um, the width range of the scribing groove after cutting is 15 um-30 um, and the scribing depth range is 40-70%, but not limited thereto.
In the present embodiment, the first laser 21 and the second laser 22 may have different arrangements, and two specific examples will be described below.
In a first specific example, referring to fig. 1, the dicing apparatus 100 includes a first station P1 disposed adjacent to the carrier table 10, and the first laser 21 and the second laser 22 are disposed side by side at the first station P1.
After the battery piece 30 is loaded on the loading platform 10, the first laser 21 and the second laser 22 work synchronously, that is, the first laser 21 and the second laser 22 simultaneously act on a plurality of to-be-cut lines 31 of the same battery piece 30, and of course, the first laser 21 and the second laser 22 may alternatively act on a plurality of to-be-cut lines 31 of the same battery piece 30.
Here, the carrier 10 may be a strip-shaped conveyor belt, and the carrier 10 may sequentially convey a plurality of battery sheets 30 to the first station P1, or may be conveyed by a robot or the like.
In a second specific example, referring to fig. 2, the scribing apparatus 100 'includes a first station P1' and a second station P2 'disposed adjacent to the carrier table 10', a first laser 21 'is disposed at the first station P1', and a second laser 22 'is disposed at the second station P2'.
After the battery pieces 30a ' and 30b ' are loaded on the loading platform 10 ', the first laser 21 ' and the second laser 22 ' operate synchronously, but not limited thereto.
Specifically, a first battery piece 30a 'may be placed at a position of the carrier 10' corresponding to the first station P1 ', a second battery piece 30 b' may be placed at a position of the carrier 10 'corresponding to the second station P2', and the first laser 21 'cuts the first group of lines to be cut 31 a' of the first battery piece 30a 'at the first station P1', and the second laser 22 'cuts the second group of lines to be cut 31 b' of the second battery piece 30b 'at the second station P2'.
In the initial cutting process, the second battery piece 30b ' cut by the second laser 22 ' at the second station P2 ' may be the battery piece that has already been cut by the first laser 21 ' to complete the first group of lines to be cut 31a '.
Here, the carrying table 10 ' is a disc-shaped carrying table, the scribing apparatus 100 ' includes a driving unit 40 ', the driving unit 40 ' is configured to drive the carrying table 10 ' to rotate, after the first laser 21 ' finishes cutting the first group of lines to be cut 31a ' of the first battery piece 30a ', the driving unit 40 ' can convey the first battery piece 30a ' to the second station P2 ' so that the second laser 22 ' can continue to cut the second group of lines to be cut 31b ' of the first battery piece 30a ', here, when the second laser 22 ' continues to cut the second group of lines to be cut 31b ' of the first battery piece 30a ', the first laser 21 ' can cut the first group of lines to be cut 31a ' of the next battery piece, so that efficiency can be greatly improved by operating the first laser 21 ' and the second laser 22 ' at different stations, and the first laser 21 ' and the second laser 22 ' are separately disposed, the first laser 21 'and the second laser 22' are prevented from interfering with each other.
The carrier 10 ' includes a plurality of carrier stations 101 ', 102 ', 103 ', 104 ' for carrying the battery pieces, and the plurality of carrier stations 101 ', 102 ', 103 ', 104 ' includes carrier stations corresponding to the first station P1 ' and the second station P2 ', as well as an input carrier station and an output carrier station.
Here, taking the example that the carrier 10 ' includes four carrying stations 101 ', 102 ', 103 ', and 104 ', the four carrying stations 101 ', 102 ', 103 ', and 104 ' are the first carrying station 101 ', the second carrying station 102 ', the third carrying station 103 ', and the fourth carrying station 104 ', respectively, and the driving unit 40 ' drives the carrier 10 ' to rotate so that the first carrying station 101 ', the second carrying station 102 ', the third carrying station 103 ', and the fourth carrying station 104 ' rotate.
Referring to fig. 2, the first carrying station 101 'corresponds to the first station P1', the second carrying station 102 'corresponds to the second station P2', and the third carrying station 103 'corresponds to the discharging carrying station, that is, the third carrying station 103' can output the cut battery pieces to the next process, and the fourth carrying station 104 'corresponds to the feeding carrying station, that is, the fourth carrying station 104' can carry the battery pieces to be cut.
It can be understood that under the driving action of the driving unit 40 ', the functions of the first loading station 101 ', the second loading station 102 ', the third loading station 103 ' and the fourth loading station 104 ' are in the process of changing, but the loading stations corresponding to the first station P1 ', the second station P2 ' and the discharging and feeding are always maintained.
With reference to fig. 3 to 5, an embodiment of the present invention further provides a photovoltaic device 400.
The photovoltaic device 400 comprises a cell slice scribing device 100, a slice breaking device 200 and a forming device 300.
The sheet severing device 200 is used for severing the cut plurality of lines to be cut 31 to form a plurality of sub-battery sheets 301.
That is, the lasers 21 and 22 form a plurality of scribe grooves on the surface of the battery piece 30 by cutting a plurality of to-be-cut lines 31 back and forth, but the scribe grooves do not penetrate through the battery piece 30, and then the scribe grooves need to be completely broken by the sheet severing device 200 so that the battery piece 30 becomes a plurality of sub-battery pieces 301, where one battery piece 30 becomes six sub-battery pieces 301.
The molding device 300 is used to connect several sub-battery sheets 301 in a shingled manner.
That is, in the present embodiment, the photovoltaic device 300 is used for forming a laminated assembly as an example, and after the plurality of sub-cells 301 are formed, the forming device 300 uses a conductive adhesive to connect the plurality of sub-cells 301 in a laminated manner to form the laminated assembly, but not limited thereto.
To sum up, the utility model discloses a battery piece scribing device 100 can shorten laser sculpture time greatly to improve the productivity greatly, in addition, treat that the peripheral damage area of cut line 31 reduces greatly, but greatly reduced laser is to the damage of battery piece itself, and because every bundle of laser energy difference is little, is favorable to improving the homogeneity of laser grooving.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a battery piece scribing device, its characterized in that includes plummer, first laser instrument and second laser instrument, the plummer is used for bearing the weight of the battery piece, the battery piece includes first region and second area, it has a plurality of parallels to wait the cut line to define respectively in first region, the second area, first laser instrument is followed the cut line execution cutting action of waiting in the first region, the second laser instrument is followed the cut line execution cutting action of waiting in the second area.
2. The device for scribing battery pieces according to claim 1, wherein the plurality of to-be-cut lines of each battery piece are parallel to each other and extend along a first direction, and the plurality of to-be-cut lines are arranged along a second direction, each battery piece comprises a first group of to-be-cut lines located in a first area and a second group of to-be-cut lines located in a second area, the first group of to-be-cut lines comprises a plurality of to-be-cut lines arranged continuously along the second direction, and the second group of to-be-cut lines comprises a plurality of to-be-cut lines arranged continuously along the second direction.
3. The device for scribing the battery piece as claimed in claim 2, wherein the first group of lines to be cut includes a first central line extending along the first direction, a center point of a light emitting surface of the first laser moves along the first central line, the second group of lines to be cut includes a second central line extending along the first direction, and a center point of a light emitting surface of the second laser moves along the second central line.
4. The battery wafer dicing apparatus of claim 1, wherein the dicing apparatus includes a first station disposed adjacent to the carrier table, the first laser and the second laser being disposed side by side at the first station.
5. The battery piece scribing apparatus of claim 1, wherein the scribing apparatus comprises a first station and a second station disposed adjacent to the carrier table, the first laser being disposed at the first station, and the second laser being disposed at the second station.
6. The battery piece scribing device according to claim 5, wherein the scribing device includes a driving unit for driving the carrying table to rotate.
7. The device for scribing the battery pieces as claimed in claim 5, wherein the carrying table includes a plurality of carrying stations for carrying the battery pieces, and the plurality of carrying stations include a carrying station corresponding to the first station and the second station, and a feeding carrying station and a discharging carrying station.
8. The device for dicing a battery cell according to any one of claims 4 to 7, wherein the first laser and the second laser are operated in synchronization.
9. A photovoltaic device, comprising the cell-slice dicing apparatus according to any one of claims 1 to 7 and a slice breaking apparatus for breaking the cut lines to form sub-cell slices.
10. The photovoltaic device of claim 9, further comprising a molding device for connecting the plurality of sub-cell sheets in a shingled manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921447541.3U CN210548908U (en) | 2019-09-02 | 2019-09-02 | Battery piece scribing device and photovoltaic equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921447541.3U CN210548908U (en) | 2019-09-02 | 2019-09-02 | Battery piece scribing device and photovoltaic equipment with same |
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| Publication Number | Publication Date |
|---|---|
| CN210548908U true CN210548908U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921447541.3U Active CN210548908U (en) | 2019-09-02 | 2019-09-02 | Battery piece scribing device and photovoltaic equipment with same |
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| CN (1) | CN210548908U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083135A (en) * | 2020-12-07 | 2022-02-25 | 宁夏小牛自动化设备有限公司 | Method and device for scribing battery piece by using laser |
| CN114864750A (en) * | 2022-05-17 | 2022-08-05 | 通威太阳能（合肥）有限公司 | Battery piece slicing method, battery piece slicing system, storage medium and computer |
-
2019
- 2019-09-02 CN CN201921447541.3U patent/CN210548908U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083135A (en) * | 2020-12-07 | 2022-02-25 | 宁夏小牛自动化设备有限公司 | Method and device for scribing battery piece by using laser |
| CN114083135B (en) * | 2020-12-07 | 2024-02-02 | 宁夏小牛自动化设备股份有限公司 | Method and device for scribing battery piece by using laser |
| CN114864750A (en) * | 2022-05-17 | 2022-08-05 | 通威太阳能（合肥）有限公司 | Battery piece slicing method, battery piece slicing system, storage medium and computer |
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| GR01 | Patent grant | ||
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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. |
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| CP01 | Change in the name or title of a patent holder |