CN110571308A - Solar cell string correction device and method - Google Patents
Solar cell string correction device and method Download PDFInfo
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- CN110571308A CN110571308A CN201910984531.1A CN201910984531A CN110571308A CN 110571308 A CN110571308 A CN 110571308A CN 201910984531 A CN201910984531 A CN 201910984531A CN 110571308 A CN110571308 A CN 110571308A
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- H—ELECTRICITY
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- 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
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Abstract
the invention discloses a solar cell string correction device which comprises at least one group of cell string alignment devices, wherein each cell string alignment device comprises a first alignment mechanism and a second alignment mechanism which are oppositely arranged, each cell string alignment device is connected with a UVW platform through a substrate, each first alignment mechanism comprises a first sucker group, each second alignment mechanism comprises a second sucker group, each first sucker group can linearly move and rotate relative to each second sucker group along the X-axis direction and the Y-axis direction to complete the position correction of two cell string half pieces, and each UVW platform can drive each cell string alignment device to move and rotate along the X-axis direction and the Y-axis direction to complete the correction of a whole piece type cell string. The solar cell string correcting equipment is suitable for correcting half and whole cell strings of the cell strings, has high correcting position precision and consistency, realizes multiple purposes, and greatly improves the correcting efficiency and effect of the solar cell strings. The invention also provides a solar cell string correction method.
Description
Technical Field
The invention belongs to the field of solar cell production, and particularly relates to solar cell string correction equipment and method.
Background
Along with the improvement of the automation degree of a solar cell module production line, the problems of large relative position error and unstable precision of a solar whole-piece cell string and a cell string half piece lead the insufficient welding and fault rate of automatic equipment such as a subsequent end welding machine to be increased, the production efficiency and the product quality are reduced, the capacity is restricted to be improved, and the industrial development is hindered.
Aiming at the problem of the relative position of the battery strings, the solution adopted by some enterprises is that the relative positions of half-piece and whole-piece battery strings of the battery strings are respectively corrected by manpower according to the scale of a template before welding, and the battery strings are manually repositioned; some enterprises adopt the equipment of reforming, but the equipment of reforming of current solar cell cluster is only applicable to the reforming of whole piece formula battery cluster, can't be applied to battery cluster half, needs the manual work to transfer to the equipment of reforming after two battery cluster half are adjusted the concatenation well earlier and reforms, and the position precision of battery cluster half, uniformity can not be ensured, and the battery cluster produces new displacement easily in the transportation, reforms inefficiently.
Disclosure of Invention
in view of the above disadvantages of the prior art, the present invention provides a solar cell string correction apparatus and a solar cell string correction method using the same.
The invention adopts a technical scheme that: the solar cell string correction equipment comprises at least one group of cell string alignment devices, wherein each cell string alignment device comprises a first alignment mechanism and a second alignment mechanism which are oppositely arranged;
The first aligning mechanism comprises a first support and a first suction disc group arranged at the bottom of the first support, and the second aligning mechanism comprises a second support and a second suction disc group arranged at the bottom of the second support; the first sucker group is used for grabbing a first battery string half piece, and the second sucker group is used for grabbing a second battery string half piece; the first sucker group can linearly move and rotate relative to the second sucker group along the X-axis direction and the Y-axis direction so as to accurately align the first battery string half piece and the second battery string half piece and splice the first battery string half piece and the second battery string half piece into a whole battery string;
The at least one group of battery string alignment devices are connected with the UVW platform through the substrate, and the UVW platform is used for driving the battery string alignment devices to move and rotate along the X-axis direction and the Y-axis direction so as to finish the correction of the whole battery string.
As an improvement to the above scheme, the solar cell string correction apparatus further includes a position acquisition module, configured to acquire actual position images of the first cell string half/second cell string half and the full-sheet cell string, so as to calculate a correction amount according to actual positions and theoretical positions of the first cell string half/second cell string half and the full-sheet cell string, and transmit the correction amount to the first alignment mechanism and the UVW platform.
As an improvement to the above scheme, the solar cell string correction apparatus includes two sets of cell string alignment devices, which are mounted on the UVW platform side by side; the position acquisition assembly is provided with a plurality of groups, and the plurality of groups of position acquisition assemblies are uniformly distributed at intervals along the length direction and the width direction of the two groups of battery string alignment devices.
as an improvement to the above scheme, the battery string aligning device further comprises a vertical displacement mechanism, the vertical displacement mechanism comprises a cam shaft arranged between the first aligning mechanism and the second aligning mechanism and two cams connected to two ends of the cam shaft, rims of the two cams abut against the base plate, and the cam shaft rotates to drive the two cams to rotate, so that the battery string aligning device ascends or descends.
As an improvement to the above scheme, a rotary driving member and a rotary assembly are mounted on the first bracket, an X-axis driving member and an X-axis moving member are mounted on the rotary assembly, a Y-axis driving member and a Y-axis moving member are mounted on the X-axis moving member, and the first suction disc group is mounted on the Y-axis moving member.
as an improvement to the above solution, the UVW platform includes an X-axis calibration module and a Y-axis calibration module, the X-axis calibration module includes an X-axis driving assembly, an X-axis translation assembly and a first rotation assembly, the X-axis translation assembly is connected to the X-axis driving assembly, the first rotation assembly is rotatably connected to the X-axis translation assembly, and the substrate is connected to the first rotation assembly;
The Y-axis correction module comprises a Y-axis driving assembly, a Y-axis translation assembly and a second rotating assembly, the Y-axis translation assembly is connected with the Y-axis driving assembly, the second rotating assembly is rotatably connected onto the Y-axis translation assembly, and the substrate is connected onto the second rotating assembly.
As an improvement to the above scheme, the X-axis correction module and the Y-axis correction module are mounted on a bottom plate, and the bottom plate is connected to the guide rail through a slider to drive the at least one battery string alignment device to move along a predetermined direction.
The invention adopts another technical scheme that: the solar cell string correction method comprises the following steps:
(1) Providing the solar string correction apparatus of claim 1 and first and second string halves;
(2) The first sucker group sucks the first battery string half piece, and the second sucker group sucks the second battery string half piece;
(3) The first sucker group linearly moves for a preset distance and rotates for a preset angle relative to the second sucker group along the X-axis direction and the Y-axis direction, so that the first battery string half piece and the second battery string half piece are accurately aligned and spliced into a whole battery string;
(4) The UVW platform drives the battery string aligning device to move for a preset distance and rotate for a preset angle along the X-axis direction and the Y-axis direction so as to finish the correction of the whole battery string.
As an improvement to the above scheme, the solar cell string correction apparatus further includes a position acquisition component, and the step (2) further includes a step of acquiring actual position images of the first cell string half-piece and the second cell string half-piece by the position acquisition component, and calculating a correction amount according to the actual positions and theoretical positions of the first cell string half-piece and the second cell string half-piece, and transmitting the correction amount to the first alignment mechanism; and (3) acquiring an actual position image of the whole battery string by the position acquisition assembly, calculating a correction amount according to the actual position and the theoretical position of the whole battery string, and transmitting the correction amount to the UVW platform.
As an improvement to the above scheme, the battery string aligning device further includes a vertical displacement mechanism, and in step (3), after the vertical displacement mechanism drives the battery string aligning device to ascend by a predetermined height, the first suction cup group linearly moves by a predetermined distance and rotates by a predetermined angle relative to the second suction cup group along the X-axis direction and the Y-axis direction.
Has the advantages that: the solar cell string correcting equipment provided by the invention is not only suitable for linear alignment and rotary alignment of half cells of a cell string in the X-axis direction and the Y-axis direction, but also suitable for linear correction and rotary correction of a whole cell string in the X-axis direction and the Y-axis direction, has high correcting position precision and consistency, realizes multiple purposes of one machine, reduces the transfer time of the cell string, reduces the probability of new displacement of the cell string in the transfer process, greatly improves the correcting efficiency and effect of the solar cell string, and improves the yield, the rear-end processing efficiency and the product quality. The invention also provides a solar cell string correction method applying the solar cell string correction equipment.
Drawings
Fig. 1 is a schematic structural diagram of a solar cell string correction apparatus in an embodiment of the present application;
Fig. 2 is a schematic structural diagram of a battery string alignment apparatus in an embodiment of the present application;
Fig. 3 is a schematic structural diagram of a UVW platform in an embodiment of the present application.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
The invention provides a solar cell string correction device, which comprises at least one group of cell string alignment devices, wherein the solar cell string correction device provided by the following embodiments comprises two groups of cell string alignment devices.
Referring to fig. 1 and fig. 2, fig. 1 shows a structure of the solar cell string calibration apparatus in this embodiment, the solar cell string calibration apparatus includes two sets of cell string alignment devices 10 arranged side by side, fig. 2 shows a structure of the cell string alignment devices 10, the cell string alignment devices 10 include a first alignment mechanism 11 and a second alignment mechanism 12 arranged oppositely, the first alignment mechanism 11 and the second alignment mechanism 12 can respectively perform position calibration on two cell string halves 100 and 200, so that the relative positions of the two cell string halves 100 and 200 meet the requirement of splicing a whole cell string.
The battery string half-piece and whole-piece battery string refers to a flat-plate-shaped battery pack formed by laying at least one battery piece, and when the battery string half-piece and whole-piece battery string comprises a plurality of battery pieces, the battery pieces are connected in series. The half-piece and whole-piece battery strings of the battery string are usually rectangular, and the edge lines of the half-piece and whole-piece battery strings are linear.
the first aligning mechanism 11 includes a first bracket 110 and a first suction cup group 111 installed at the bottom of the first bracket 110, and the second aligning mechanism 12 includes a second bracket 120 and a second suction cup group 121 installed at the bottom of the second bracket 120.
the first sucker group 111 is used for grabbing a first battery string half piece 100, and the second sucker group 121 is used for grabbing a second battery string half piece 200; the first chuck set 111 can move linearly and rotate along the X-axis direction and the Y-axis direction relative to the second chuck set 121 to align the first cell string half-piece 100 and the second cell string half-piece 200 accurately, so as to be spliced into a whole cell string.
The first suction cup group 111 and the second suction cup group 121 are connected to a negative pressure providing device, which may be a vacuum pump. The first and second chuck sets 111 and 121 include a plurality of chucks for firmly grasping the first and second battery string halves 100 and 200.
Further, the plurality of suckers are arranged in an array, so that the first battery string half piece 100 and the second battery string half piece 200 are uniformly stressed.
The at least one group of cell string alignment devices 10 are connected to the UVW platform 20 through the substrate 101, and the UVW platform 20 is configured to drive the cell string alignment devices 10 to move and rotate along the X-axis direction and the Y-axis direction, so as to complete the position correction of the whole-chip cell string.
The embodiment provides solar cell cluster correction equipment is not only applicable to the linear counterpoint and the rotatory counterpoint of half piece in X axle direction, Y axle direction of battery cluster, still can be applicable to the linear correction and the rotatory correction in X axle direction, Y axle direction of whole piece formula battery cluster, correct position precision and uniformity height, realized a tractor serves several purposes, the transit time of battery cluster has been reduced, the probability that the battery cluster produced new displacement in the transportation has been reduced, the efficiency and the effect of reforming of solar cell cluster have been improved by a wide margin, the treatment effeciency and the product quality of yield and rear end are improved.
Further, a rotary driving member and a rotary assembly are mounted on the first support 110, the rotary driving member can drive the rotary assembly to rotate around the center of the rotary assembly, wherein the rotary driving member is a rotary cylinder, a motor, or the like.
The X-axis driving part and the X-axis moving part are mounted on the rotating assembly, when the rotating assembly rotates around the center of the rotating assembly, the X-axis driving part and the X-axis moving part rotate along with the rotating assembly, the X-axis driving part can drive the X-axis moving part to move in the X-axis direction, and the X-axis driving part comprises a linear motor, an air cylinder, an electric cylinder, a hydraulic cylinder and the like.
And when the X-axis moving piece moves along the X-axis direction, the Y-axis driving piece and the Y-axis moving piece move along the X-axis direction along with the X-axis moving piece, and the Y-axis driving piece is a linear motor, an air cylinder, an electric cylinder, a hydraulic cylinder and the like. The first suction pad group 111 is mounted on the Y-axis moving member.
The X-axis moving member and the Y-axis moving member can drive the first sucking disc group 111 and the first battery string half-piece 100 grabbed by the first sucking disc group 111 to move for a predetermined distance along the X-axis direction and the Y-axis direction, and the rotating assembly can drive the first sucking disc group 111 and the first battery string half-piece 100 grabbed by the first sucking disc group 111 to rotate for a predetermined angle according to a predetermined direction, so that the first battery string half-piece 100 and the second battery string half-piece 200 grabbed by the second sucking disc group 121 are accurately aligned, and the relative positions of the two battery string half-pieces 100 and 200 meet the splicing requirement of a whole battery string.
This battery string aligning device 10 still includes vertical displacement mechanism 13, and this vertical displacement mechanism 13 is including setting up in camshaft between first aligning mechanism 11 and the second aligning mechanism 12 and two cams of connection at the camshaft both ends, the rim butt of these two cams is in on the base plate 101, the camshaft rotates and drives these two cams rotatory, makes this first aligning mechanism 11, second aligning mechanism 12 rise or descend.
in one embodiment, the second suction cup set 121 is configured to be fixed, and the first suction cup set 111 and the first battery string half-piece 100 grabbed by the first suction cup set are moved or rotated relative to the second suction cup set 121 and the second battery string half-piece 200 grabbed by the second suction cup set, so as to achieve accurate alignment between the first battery string half-piece 100 and the second battery string half-piece 200.
It is understood that, in other embodiments, the above-mentioned rotary driving element and rotary assembly, X-axis driving element and X-axis moving element, Y-axis driving element and Y-axis moving element may also be disposed between the second bracket 120 and the second chuck set 121, and the operation principle of each assembly is the same as that of each assembly mounted on the first bracket 110, and will not be described herein again. The first suction cup group 111 and the first battery string half piece 100 grabbed by the first suction cup group 111, the second suction cup group 121 and the second battery string half piece 200 grabbed by the second suction cup group are moved or rotated, so that accurate alignment between the first battery string half piece 100 and the second battery string half piece 200 is realized.
referring to fig. 1 and 3 in combination, fig. 3 shows a structure of the UVW platform 20, and further, the UVW platform 20 includes an X-axis calibration module 21 and a Y-axis calibration module 22, and the X-axis calibration module 21 and the Y-axis calibration module 22 are mounted on a base plate 23.
Further, the X-axis calibration module 21 includes an X-axis driving assembly 210, an X-axis translation assembly 211, and a first rotating assembly 212, wherein the X-axis translation assembly 211 is connected to the X-axis driving assembly 210 and driven by the X-axis driving assembly 210 to move along the X-axis direction, the first rotating assembly 212 is rotatably connected to the X-axis translation assembly 211, and the substrate 101 is connected to the first rotating assembly 212.
The Y-axis calibration module 22 includes a Y-axis driving assembly 220, a Y-axis translating assembly 221 and a second rotating assembly 222, wherein the Y-axis translating assembly 221 is connected to the Y-axis driving assembly 220 and driven by the Y-axis driving assembly 220 to move along the Y-axis direction, the second rotating assembly 222 is rotatably connected to the Y-axis translating assembly 221, and the substrate 101 is connected to the second rotating assembly 222.
Further, the X-axis driving assembly 210 and the Y-axis driving assembly 220 are linear motors, air cylinders, electric cylinders, hydraulic cylinders, and the like.
In this embodiment, each group of cell string alignment devices 10 is correspondingly connected with one X-axis correction module 21 and two Y-axis correction modules 22 (see the portion inside the dashed line frame in fig. 3), and the two Y-axis correction modules 22 are disposed on two sides of the X-axis correction module 21. The X-axis correction module 21 and the two Y-axis correction modules 22 are respectively used for driving the battery string alignment device 10 to move and rotate along the X-axis direction and the Y-axis direction, so as to complete the position correction of the whole battery string.
Specifically, one of the X-axis calibration modules 21 is disposed in the X-axis direction of the bottom plate 23 to drive and constrain the battery string alignment apparatus 10 to move linearly in the X-axis direction, and the X-axis alignment module 21 provides the battery string alignment apparatus 10 with a degree of freedom in the Y-axis direction; the rotating component 212 does not have the capability of driving the battery string aligning device 10 to linearly move, but the rotating component 212 provides the battery string aligning device 10 with the degrees of freedom in the X-axis direction and the Y-axis direction, so that the battery string aligning device 10 has the capability of rotating clockwise or counterclockwise with the geometric center thereof as the base point.
The two Y-axis alignment modules 22 are disposed in the Y-axis direction of the bottom plate 23 to drive and constrain the battery string alignment device 10 to move linearly in the Y-axis direction, and the two Y-axis alignment modules 22 provide the battery string alignment device 10 with a degree of freedom in the X-axis direction; the rotating component 222 does not have the capability of driving the battery string aligning device 10 to linearly move, but the rotating component 222 provides the battery string aligning device 10 with the degrees of freedom in the X axis direction and the Y axis direction, so that the battery string aligning device 10 has the capability of rotating clockwise or counterclockwise with the geometric center thereof as the base point.
In a preferred embodiment, a rotation correction module 24 is further mounted on the bottom plate 23, a plurality of rotation correction modules 24 are correspondingly connected to each group of battery string aligning device 10, the rotation correction module 24 has the same structure as the rotating assemblies 212 and 222, and does not have the capability of driving the group of battery string aligning device 10 to linearly move, but the rotation correction module 24 provides the group of battery string aligning device 10 with the degrees of freedom in the X-axis direction and the Y-axis direction. The plurality of rotation correction modules 24 are disposed at the edge of the bottom plate, and are used for assisting the battery string aligning device 10 to rotate clockwise or counterclockwise with the geometric center as a base point.
further, the bottom plate 23 is connected to a guide rail 30 through a slider, and can slide along the guide rail 30 to drive the at least one battery string alignment device 10 to move along a predetermined direction, so that the first suction cup group 111 and the second suction cup group 121 can grasp battery string halves at different positions.
Referring to fig. 1, in a preferred embodiment of the present invention, the solar cell string calibration apparatus further includes a position obtaining component 40, the position obtaining component 40 is disposed above the cell string alignment apparatus 10, and the position obtaining component 40 is configured to obtain an actual position image of the first cell string half-piece 100, the second cell string half-piece 200 and the whole cell string spliced by the first cell string half-piece 100 and the second cell string half-piece 200, so as to calculate a correction amount according to an actual position and a theoretical position thereof, and transmit the correction amount to the first alignment mechanism 11 and the UVW platform 20.
Specifically, the position obtaining assembly 40 obtains an actual position image of the first battery string half piece 100/the second battery string half piece 200, calculates a correction amount according to the actual position and a theoretical position, and transmits the correction amount to the first aligning mechanism 11, and the first aligning mechanism 11 drives the first battery string half piece 100 to move for a predetermined distance and rotate for a predetermined angle along the X-axis direction and the Y-axis direction relative to the second battery string half piece 200 according to the received correction amount, so that the first battery string half piece 100 and the second battery string half piece 200 are accurately aligned, and the requirement for splicing the whole battery string is met.
The position obtaining assembly 40 obtains an actual position image of the whole-chip battery string spliced by the first battery string half-piece 100 and the second battery string half-piece 200, calculates a correction amount according to the actual position and a theoretical position, and transmits the correction amount to the UVW platform 20, and the UVW platform 20 drives the whole-chip battery string to move for a predetermined distance and rotate for a predetermined angle along the X-axis direction and the Y-axis direction according to the received correction amount, so as to complete the position correction of the whole-chip battery string.
Further, the correction amount between the actual position and the theoretical position may be defined as a distance deviation and an angle deviation between the edge line and the reference line of the first cell string half piece 100/the second cell string half piece 200 and the spliced whole-piece cell string.
The edge lines refer to side lines at two ends of the battery string in the length direction or the width direction of the half-piece or whole-piece battery string, and the reference lines refer to characteristic lines or identification lines for obviously distinguishing the edge lines, such as the side lines of a frame, division lines on a carrying platform and the like. The reference lines may include a first reference line parallel to the X-axis direction and a second reference line parallel to the Y-axis direction, and it is understood that the first reference line and the second reference line are perpendicular to each other to provide a distance deviation reference for two perpendicularly crossing edge lines of the first battery string half 100/the second battery string half 200 and the whole battery string after being spliced, and the reference lines are fixedly disposed to provide a fixed distance deviation and an angle deviation.
Further, the position acquiring module 40 includes an image acquiring device and a comparing module, the image acquiring device acquires image information of the edge line and the reference line of the first battery string half piece 100/the second battery string half piece 200 and the spliced whole-piece battery string thereof, and the comparing module compares the edge line and the reference line of the first battery string half piece 100/the second battery string half piece 200 and the spliced whole-piece battery string thereof and acquires a distance deviation and an angle deviation between the edge line and the reference line.
The image acquisition device comprises a lens and an image sensor, and the image sensor can be a CCD sensor or a CMOS sensor. In other embodiments, the image capturing device may also be a digital camera.
referring to fig. 1, in the present embodiment, the two sets of battery string alignment devices 10 are mounted on the UVW platform 20 side by side. The position acquisition assembly 40 is provided with nine groups, three groups are uniformly arranged along the length direction of the battery string aligning device 10 at intervals, and three groups are also uniformly arranged between the battery string aligning devices 10 at intervals.
The nine sets of position obtaining assemblies 40 are uniformly distributed at intervals along the length and width directions of the two sets of battery string alignment devices 10, and can obtain images of the first battery string half piece 100/the second battery string half piece 200, the two ends and the middle position of the spliced whole battery string, and further calculate the correction amount according to the actual position and the theoretical position of the whole battery string, so as to further improve the position accuracy of correction.
The invention also provides a solar cell string correction method applying the solar cell string correction equipment, which comprises the following steps:
S1, providing the solar cell string correction equipment, a first cell string half piece 100 and a second cell string half piece 200.
S2, the first suction disc group 111 sucks the first battery string half piece 100, and the second suction disc group 121 sucks the second battery string half piece 200.
And S3, the first sucker group 111 linearly moves for a preset distance and rotates for a preset angle relative to the second sucker group 121 along the X-axis direction and the Y-axis direction, so that the first battery string half piece 100 and the second battery string half piece 200 are accurately aligned and spliced into a whole battery string.
And S4, the UVW platform 20 drives the battery string aligning device 10 to move for a preset distance and rotate for a preset angle along the X-axis direction and the Y-axis direction so as to finish the correction of the whole battery string.
further, the solar cell string correction apparatus further includes a position obtaining assembly 40, in S3, the position obtaining assembly 40 obtains an actual position image of the first cell string half 100/the second cell string half 200, calculates a correction amount according to the actual position and a theoretical position, and transmits the correction amount to the first aligning mechanism 11, and then the first aligning mechanism 11 operates to linearly move the first chuck set 111 relative to the second chuck set 121 by a predetermined distance and a predetermined angle in the X-axis direction and the Y-axis direction.
It is understood that step S3 may be repeated a plurality of times until the first cell string half 100 is accurately aligned with the second cell string half 200, and the actual position of the first cell string half 100/the second cell string half 200 is consistent with the theoretical position.
In S4, the position obtaining module 40 obtains an actual position image of the whole battery string, calculates a correction amount according to the actual position and the theoretical position, and transmits the correction amount to the UVW platform 20, and then the UVW platform 20 drives the battery string alignment device 10 to move a predetermined distance and rotate a predetermined angle along the X-axis direction and the Y-axis direction.
It is understood that step S4 may be repeated a plurality of times until the actual position of the monolithic battery string coincides with the theoretical position.
In one embodiment, the battery string aligning apparatus further includes a vertical displacement mechanism 13, and in S2, the vertical displacement mechanism 13 drives the battery string aligning apparatus 10 to descend, so that the first and second suction cup sets 111 and 121 move to the battery string carrying platform to respectively suck the first and second battery string halves 100 and 200.
further, in S3, after the vertical displacement mechanism 13 drives the battery string aligning device 10 to ascend by a predetermined height, the first suction cup group 111 moves linearly by a predetermined distance and rotates by a predetermined angle in the X-axis direction and the Y-axis direction relative to the second suction cup group 121.
further, in S4, the vertical displacement mechanism 13 drives the battery string aligning device 10 to descend by the predetermined height, so as to place the whole battery string after the calibration is completed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. the solar cell string correction equipment is characterized by comprising at least one group of cell string alignment devices, wherein each cell string alignment device comprises a first alignment mechanism and a second alignment mechanism which are oppositely arranged;
The first aligning mechanism comprises a first support and a first suction disc group arranged at the bottom of the first support, and the second aligning mechanism comprises a second support and a second suction disc group arranged at the bottom of the second support; the first sucker group is used for grabbing a first battery string half piece, and the second sucker group is used for grabbing a second battery string half piece; the first sucker group can linearly move and rotate relative to the second sucker group along the X-axis direction and the Y-axis direction so as to accurately align the first battery string half piece and the second battery string half piece and splice the first battery string half piece and the second battery string half piece into a whole battery string;
The at least one group of battery string alignment devices are connected with the UVW platform through the substrate, and the UVW platform is used for driving the battery string alignment devices to move and rotate along the X-axis direction and the Y-axis direction so as to finish the correction of the whole battery string.
2. The apparatus of claim 1, further comprising a position acquiring module for acquiring an actual position image of the first/second half string and the whole string, so as to calculate a correction amount according to the actual position and a theoretical position of the first/second half string and the whole string and transmit the correction amount to the first aligning mechanism and the UVW platform.
3. The solar cell string correction apparatus according to claim 2, comprising two sets of cell string alignment devices mounted side by side on the UVW platform; the position acquisition assembly is provided with a plurality of groups, and the plurality of groups of position acquisition assemblies are uniformly distributed at intervals along the length direction and the width direction of the two groups of battery string alignment devices.
4. The solar cell string correction device according to claim 1, wherein the cell string alignment device further comprises a vertical displacement mechanism, the vertical displacement mechanism comprises a cam shaft disposed between the first alignment mechanism and the second alignment mechanism, and two cams connected to two ends of the cam shaft, rims of the two cams abut against the substrate, and the cam shaft rotates to drive the two cams to rotate, so that the cell string alignment device ascends or descends.
5. The solar cell string correcting apparatus according to claim 1, wherein a rotary driving member and a rotary assembly are installed on the first support, an X-axis driving member and an X-axis moving member are installed on the rotary assembly, a Y-axis driving member and a Y-axis moving member are installed on the X-axis moving member, and the first suction cup group is installed on the Y-axis moving member.
6. The solar cell string correction apparatus according to claim 1, wherein the UVW stage includes an X-axis correction module and a Y-axis correction module, the X-axis correction module includes an X-axis driving assembly, an X-axis translation assembly and a first rotation assembly, the X-axis translation assembly is connected to the X-axis driving assembly, the first rotation assembly is rotatably connected to the X-axis translation assembly, and the substrate is connected to the first rotation assembly;
The Y-axis correction module comprises a Y-axis driving assembly, a Y-axis translation assembly and a second rotating assembly, the Y-axis translation assembly is connected with the Y-axis driving assembly, the second rotating assembly is rotatably connected onto the Y-axis translation assembly, and the substrate is connected onto the second rotating assembly.
7. the solar cell string calibration apparatus according to claim 6, wherein the X-axis calibration module and the Y-axis calibration module are mounted on a base plate, and the base plate is connected to the guide rail through a sliding block to drive the at least one set of cell string alignment device to move along the predetermined direction.
8. A solar cell string correction method is characterized by comprising the following steps:
(1) Providing the solar string correction apparatus of claim 1 and first and second string halves;
(2) The first sucker group sucks the first battery string half piece, and the second sucker group sucks the second battery string half piece;
(3) The first sucker group linearly moves for a preset distance and rotates for a preset angle relative to the second sucker group along the X-axis direction and the Y-axis direction, so that the first battery string half piece and the second battery string half piece are accurately aligned and spliced into a whole battery string;
(4) The UVW platform drives the battery string aligning device to move for a preset distance and rotate for a preset angle along the X-axis direction and the Y-axis direction so as to finish the correction of the whole battery string.
9. The solar cell string correction method according to claim 8, wherein the solar cell string correction apparatus further comprises a position acquisition component, and the step (2) further comprises the steps of acquiring an actual position image of the first cell string half piece and the second cell string half piece by the position acquisition component, calculating a correction amount according to the actual position and the theoretical position of the first cell string half piece and the second cell string half piece, and transmitting the correction amount to the first alignment mechanism; and (3) acquiring an actual position image of the whole battery string by the position acquisition assembly, calculating a correction amount according to the actual position and the theoretical position of the whole battery string, and transmitting the correction amount to the UVW platform.
10. The method of claim 8, wherein the string alignment device further comprises a vertical displacement mechanism, and in step (3), after the vertical displacement mechanism drives the string alignment device to ascend by a predetermined height, the first set of suckers moves linearly by a predetermined distance and rotates by a predetermined angle in the X-axis direction and the Y-axis direction relative to the second set of suckers.
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