CN112838146A - Device for repairing solar cell string - Google Patents
Device for repairing solar cell string Download PDFInfo
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- CN112838146A CN112838146A CN202110219029.9A CN202110219029A CN112838146A CN 112838146 A CN112838146 A CN 112838146A CN 202110219029 A CN202110219029 A CN 202110219029A CN 112838146 A CN112838146 A CN 112838146A
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- 230000007246 mechanism Effects 0.000 claims abstract description 153
- 238000003466 welding Methods 0.000 claims abstract description 86
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 230000008439 repair process Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000012937 correction Methods 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 11
- 229910000679 solder Inorganic materials 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 230000002950 deficient Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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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
- H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
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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
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
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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
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
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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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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a device for repairing a solar cell string, which structurally comprises: visual device, restoration platform, spraying mechanism, welding mechanism, shear mechanism, press from both sides the mechanism a little, wherein, restores the platform and includes again: the solar cell string welding device comprises a left bearing table, a right bearing table and a rotary worktable positioned in the middle, and is mainly used for removing defective cells on a solar cell string, placing replacement cells on the positions of the defective cells and welding the replacement cells into a string again.
Description
Technical Field
The invention relates to a repairing device, in particular to a device for repairing a solar cell string.
Background
In the field of solar cells, the single solar cell has small generated energy and is inconvenient to use as a power supply, and in practical application, a plurality of cells are connected into a cell string, and then the cell string is arranged into a photovoltaic module. Before typesetting, the battery strings are often required to be subjected to EL test, and if the battery strings are found to be defective, necessary repair is required to be carried out on the defective battery strings. The first step of the reworking is to determine the battery piece with the problem and replace the battery piece with the problem. The existing repairing technology often uses an operator to build a manual repairing line near a photovoltaic assembly production line, the manual repairing line needs to distribute multiple groups of personnel to implement different repairing processes, the repairing process has the risk of secondary damage to a battery string, the repairing efficiency is low, the repairing reliability is poor, the number of occupied personnel is large, and the labor cost is high. Therefore, it is urgent to find an effective battery string repairing method.
Disclosure of Invention
The invention provides a device for repairing a solar cell string, aiming at solving the problems in the prior art, and the structure of the device comprises:
the vision device is used for judging the positions of the solar cell strings of the cells to be removed, comparing the positions and giving a corrected value of the replacement cells;
the repairing platform is used for bearing and repairing the solar cell string, is provided with a vacuum adsorption hole for fixing the solar cell, is also provided with a welding workbench for bearing the replacement cell and is used as a base plate for welding the replacement cell and the adjacent cell;
the spraying mechanism can move in the direction X, Y, Z relative to the welding workbench and is used for spraying the scaling powder on the spare battery plate and the remaining long welding strip of the adjacent battery plate;
the welding mechanism can move in the direction X, Y, Z relative to the welding workbench and is used for welding the long welding strip of the replacement battery plate and the adjacent battery plate;
the shearing mechanism is arranged above the repairing platform and can move along the direction of X, Y, Z and is used for shearing off welding strips connected between the battery piece to be removed and the adjacent battery pieces;
characterized in that, the repair platform comprises: the rotary worktable is used for bearing the battery pieces to be removed and can bear one battery piece at most;
the device for repairing the solar cell string further comprises: and the micro-clamping mechanism can move along the direction X, Y, Z relative to the welding workbench and is used for clamping and leaning to clamp the welding strip between the replacement battery plate and two adjacent battery plates.
Further, the left receiving table and the right receiving table are movable up and down relative to the rotary table.
Further, the left receiving table and the right receiving table move in directions close to and away from the rotary table relative to the rotary table.
Further, the rotary table is rotated in a vertical direction perpendicular to the repair platform.
Further, the rotating table may rotate-5 ° to 5 ° in a horizontal plane flush with the repair platform.
Further, the structure of the rotary table includes:
the first motor is connected with the table top of the rotary working table through a first connecting shaft and is used for enabling the rotary working table to rotate in the vertical direction perpendicular to the repairing platform;
and the second motor is connected with the table top of the rotating platform through a second connecting shaft and is used for rotating the rotating workbench by-5 degrees to 5 degrees in a horizontal plane flush with the repairing platform, and the second connecting shaft is an eccentric shaft.
Furthermore, the micro-clamping mechanism is correspondingly provided with an opening at a position close to the overlapping welding strip between the replacing battery piece and the two adjacent battery pieces, the opening is externally exposed to the overlapping welding strip, and the spraying mechanism and the welding mechanism can be inserted into the opening of the micro-clamping mechanism or the welding mechanism acts on the overlapping welding strip through the surface of the opening of the micro-clamping mechanism.
Further, the structure of the micro-clamping mechanism comprises:
a drive motor for providing power;
the cam mechanism is connected with the output shaft of the motor;
and the left clamping plate and the right clamping plate are respectively connected with the cam structure and are used for clamping and leaning against to clamp the welding strip between the replacement battery piece and two adjacent battery pieces.
Furthermore, the left clamping plate is connected with the cam mechanism through the first sliding plate, the right clamping plate is connected with the cam mechanism through the second sliding plate, and the first sliding plate and the second sliding plate respectively drive the left clamping plate and the right clamping plate to be opened and closed relatively to each other under the action of the cam mechanism.
Further, the structure of the cam mechanism includes:
the first cam mechanism is connected with the output shaft of the motor through a first cam mechanism connecting shaft and is used for driving the first sliding plate to move;
the second cam mechanism is connected with the output shaft of the motor through a second cam mechanism connecting shaft and is used for driving the second sliding plate to move;
and the connecting plate is used for connecting the output shaft of the motor with the first cam mechanism connecting shaft and the second cam mechanism connecting shaft.
Furthermore, the welding mechanism is an electromagnetic welding mechanism, and when welding is carried out, the electromagnetic welding mechanism is arranged on or above the micro-clamping mechanism for clamping the overlapped welding strips.
Further, the left clamping plate and the right clamping plate for clamping and leaning clamping the replacement battery piece and the welding strip between the two adjacent battery pieces are made of high-temperature-resistant heat-conducting materials, such as ceramic materials, silicon carbide, silicon nitride, zirconium oxide, aluminum oxide and the like.
Furthermore, two correction mechanisms which move close to and far away from the repair platform are arranged on two sides of the repair platform, and parts which provide acting force for the long edges of the battery string assemblies on the repair platform are arranged on the two correction mechanisms.
Further, a side vertical surface of at least one group of the correcting mechanisms close to the repairing platform is a plane parallel to the repairing platform.
Furthermore, at least one group of the correcting mechanisms are a plurality of rollers which are arranged along the length direction of the conveying platform at intervals, and the rollers rotate along the axis in the vertical direction after being stressed.
Furthermore, the two correcting mechanisms are connected through at least one transmission mechanism, and the transmission mechanism drives the two correcting mechanisms to move in the directions of facing to each other or away from each other at the same time.
Furthermore, the transmission mechanism is a screw-nut pair or a gear-rack pair, opposite threads or tooth profiles are arranged at two ends of the screw or the gear, and the transmission mechanism provides power through a servo motor.
Furthermore, a section of welding table surface is arranged at one end, close to the rotary worktable, of the left bearing table and the right bearing table, and the welding table surface can at least bear half of the battery pieces.
The invention has the technical effects that: the left bearing table and the right bearing table on the repairing platform can transversely displace relative to the middle rotary worktable so as to adapt to different types of battery strings, and the visual device positioned above the rotary worktable is used for judging whether the battery pieces to be removed on the solar battery strings are in correct positions or not, so that basis and indication are provided for the rotary worktable to adjust the positions of the battery pieces to be welded;
the correcting mechanism 8 moves towards or away from the two sides to push the battery string to be parallel to the repairing platform and to be at the correct position in the width direction of the battery piece; the shearing mechanism is used for shearing the welding strips on the two sides of the battery piece to be rejected under the coordination of longitudinal movement of the left bearing table and the right bearing table;
the rotary workbench can rotate in two directions, the rotation angle in the horizontal direction is +/-5 degrees, the rotary workbench is mainly used for correcting the positions of the to-be-welded battery pieces, and the rotation in the vertical direction perpendicular to the repairing platform is mainly used for pouring the to-be-rejected battery pieces into a waste material area below the workbench.
The micro-clamping mechanism clamps two welding strips to be welded mutually, and openings are formed in the left clamping plate and the right clamping plate which are clamped mutually, so that the overlapped welding strips are not completely wrapped by the clamp and can be exposed to the outside, a spraying mechanism is convenient to spray soldering flux on the overlapped welding strips, and the welding mechanism is also convenient to weld the overlapped welding strips;
drawings
FIG. 1 is an isometric view of a prosthetic device of the invention;
FIG. 2 is a front view of the rotary table of the present invention;
FIG. 3 is an isometric view of a micro-clamping mechanism of the present invention;
FIG. 4 is a left side view of the micro-clamping mechanism of the present invention;
FIG. 5 is a front view of the left receiving station of the present invention;
FIG. 6 is an isometric view of a repair platform of the present invention;
FIG. 7 is a cross-sectional view of the alignment mechanism of the present invention;
FIG. 8 is a second embodiment of the present invention;
FIG. 9 is a third embodiment of the present invention;
fig. 10 is an isometric view of a prosthetic device of the present invention with a battery string disposed therein.
Fig. 11 is an isometric view of a prosthetic device of the present invention employing an electromagnetic welding mechanism.
In the figure, 1, a repair platform, 2, a welding mechanism, 3, a spraying mechanism, 4, a welding workbench, 5, a micro-clamping mechanism, 6, a vision device, 7, a shearing mechanism, 8, a correcting mechanism, 10, a three-shaft moving mechanism, 11, a left bearing platform, 12, a right bearing platform, 13, a rotating workbench, 14, a first motor, 15, a first connecting shaft, 16, a second motor, 17, a second connecting shaft, 18, a first key slot hole, 20, a welding platform surface, 51, an opening, 52, a driving motor, 53, a cam mechanism, 54, a left clamping plate, 55, a right clamping plate, 56, a first sliding plate, 57, a second sliding plate, 58, a first cam mechanism connecting shaft, 59, a second cam mechanism connecting shaft, 60, an oval hole, 64, an outer clamping plate, 65, an inner clamping plate, 66, an opening, 80, a positioning rod, 81, a roller, 82, a transmission mechanism, 83, a lead screw, 84, a nut pair, 85. the device comprises a gear, 86 rack pairs, 87 servo motors, 111 longitudinal movement motors, 112 longitudinal movement screw rods, 113 transverse movement motors, 114 transverse movement screw rods, 115 primary belt transmission, 116 secondary belt transmission and 9 electromagnetic welding mechanisms.
Detailed Description
The following describes a specific embodiment of the present invention with reference to fig. 1 to 11.
Example 1
Fig. 1 illustrates an overall layout of a prosthetic device, the structure of which includes: the vision device 6 is used for positioning the solar cell pieces to be removed on the solar cell string; the repairing platform 1 is used for receiving and conveying the solar cell string, is provided with a vacuum adsorption hole for fixing a solar cell, and is also provided with a welding workbench 4 for receiving a replacement cell and serving as a base plate for welding the replacement cell and an adjacent cell; the repair platform 1 includes: the device comprises a left carrying table 11, a right carrying table 12 and a rotary workbench 13 positioned in the middle, wherein the rotary workbench is used for carrying battery pieces to be rejected and can carry at most one battery piece;
the spraying mechanism 3, the welding mechanism 2, the shearing mechanism 7 and the micro-clamping mechanism 5 are all fixed on the X, Y, Z triaxial moving mechanism 10, and the Z-direction moving mechanisms on the triaxial moving mechanism 10 are provided with two sets, wherein the shearing mechanism 7 and the micro-clamping mechanism 5 are fixed on the same Z-direction moving mechanism, and the spraying mechanism 3 and the welding mechanism 2 are fixed on the other Z-direction moving mechanism.
Fig. 2 illustrates an internal structure of the rotary table 13, a first motor 14 connected to a table surface of the rotary table through a first connecting shaft 15 for rotating the rotary table 13 in a vertical direction perpendicular to the repairing platform 1; the side part of the rotary platform rotating in the horizontal direction is connected with a second motor 16 below the table top of the rotary platform through a second connecting shaft 17, the center of the rotary platform is hinged with the platform fixed with the second motor 16, the second connecting shaft 17 is an eccentric shaft, a bearing is sleeved outside the eccentric shaft and limited in a first key groove hole 18 with the length direction parallel to the width direction of the battery string, and when the motor drives the second connecting shaft 17 to rotate, the rotary platform deflects in a range of-5 degrees to 5 degrees around the hinged center.
Fig. 3 and 4 illustrate a driving structure of the micro clamping mechanism 5, wherein a driving motor 52 drives a cam mechanism 53 connected with an output shaft of the motor, and a left clamping plate 54 and a right clamping plate 55 below the cam mechanism 53 are driven to clamp and lean against a welding strip between a replacement battery plate and two adjacent battery plates;
the left clamping plate 54 is connected with the cam mechanism 53 through a first sliding plate 56, the right clamping plate is connected with the cam mechanism 53 through a second sliding plate 57, the first sliding plate 56 and the second sliding plate 57 are arranged on guide rails arranged in parallel to the width direction of the battery string, the first sliding plate 56 and the second sliding plate 57 are provided with identical oval holes 60, a first cam mechanism connecting shaft 58 and a second cam mechanism connecting shaft 59 on the cam mechanism 53 extend into the oval holes 60 on the first sliding plate 56 and the second sliding plate 57, ball bearings are arranged outside the first cam mechanism connecting shaft 58 and the second cam mechanism connecting shaft 59, and the diameters of the ball bearings are the length of the minor axis of the oval holes;
the left clamping plate 54 and the right clamping plate 55 are both provided with semicircular hole structures, two groups of semicircular hole structures which are close to each other form an opening 51, the opening 51 is exposed outwards to overlap a welding strip, the spraying mechanism 3 and the welding mechanism 2 can be inserted into the opening 51 of the micro-clamping mechanism 5 to perform scaling powder spraying and welding actions or the welding mechanism 2 acts on the overlap welding strip through the surface of the opening 51 of the micro-clamping mechanism 5.
Fig. 5 illustrates the internal structure of the left receiving platform 11, the left receiving platform 11 can move up and down relative to the rotating table 13, the longitudinal movement motor 111 transmits the rotating power to two vertical longitudinal movement screws 112 below the receiving platform through the primary belt transmission 115 and the secondary belt transmission 116, so that the nuts on the longitudinal movement screws 112 drive the left receiving platform 11 to move up and down longitudinally;
the left bearing table 11 moves towards the direction close to and away from the rotating table 13 relative to the rotating table 13, longitudinal moving mechanisms consisting of a longitudinal moving motor 111, a longitudinal moving screw rod 112, a primary belt transmission 115, a secondary belt transmission 116 and the bearing tables are all arranged on guide rails parallel to the length direction of the battery string, and a transverse moving motor 113 drives a transverse moving screw rod 114 to rotate to drive the longitudinal moving mechanisms to be close to or away from the rotating table 13 so as to adapt to battery pieces with different sizes.
The right receiving platform 12 is consistent with the left receiving platform 11 in structure and is positioned on the other side of the rotary workbench 13.
Fig. 6 and 7 illustrate the positional relationship between the correction mechanism 8 and the repair platform 1, two correction mechanisms 8 moving close to and away from the repair platform 1 are arranged on two sides of the repair platform 1, the correction mechanisms 8 on the two sides act on the side edge of the battery string through a roller 81 and a positioning rod 80 respectively, the roller 81 and the positioning rod 80 are respectively installed on two guide rails parallel to the moving direction of the correction mechanisms 8, a transmission mechanism 82 is provided with two nut pairs 84 with opposite thread turning directions, the two nut pairs 84 are respectively opposite to the correction mechanisms 8 on the two sides, when a screw 83 is driven by a servo motor 87 to rotate, the two nut pairs 84 are close to or away from each other due to the opposite turning directions, and the roller 81 and the positioning rod 80 push the battery string to move and position from the two.
Example 2
Fig. 8 shows that the difference between the embodiment 2 and the embodiment 1 is that the transmission mechanism 82 of the correction mechanism 8, the servo motor 87 drives the gear 85 to rotate, the gear 85 drives the two sets of rack pairs 86 engaged therewith to move towards or away from each other, and the two sets of gear pairs 86 are respectively fixedly connected with the correction mechanisms 82 on both sides, and can drive the correction mechanisms 8 on both sides to approach or leave the battery string.
Example 3
Fig. 9 shows a difference between the embodiment 3 and the embodiment 1 in that the micro-clamping mechanism 5 has a clamping plate structure for clamping the solder ribbon against each other, the first slide plate 56 moves the inner clamping plate 65, the second slide plate 57 moves the outer clamping plate 64, both the outer clamping plate 64 and the inner clamping plate 65 are integral clamping plates, and the opening 66 for the spray mechanism and the welding mechanism to act on the clamping of the solder ribbon against each other is formed in the inner clamping plate 65.
Example 4
Fig. 11 illustrates a repairing device of an electromagnetic welding mechanism, wherein the welding mechanism 2 is an electromagnetic welding mechanism 9, and when the welding mechanism performs a welding action, the electromagnetic welding mechanism is arranged on or above a micro-clamping mechanism 5 for clamping overlapped welding strips; the left clamping plate 54 and the right clamping plate 55 for clamping and leaning clamping the welding strips between the replacement cell and the two adjacent cells are made of ceramic materials.
The working principle is as follows: according to the lengths of the battery strings and the battery pieces, the distance between a welding table surface 20 on a left bearing table 11 and a welding table surface 20 on a right bearing table 12 and a rotary workbench 13 is adjusted to be correct through a transverse moving motor 113 and a transverse moving screw rod 114, the battery strings to be repaired are placed on a repairing platform 1, the battery pieces to be removed are located right above the rotary workbench 13, a correcting mechanism 8 pushes the battery strings to the correct positions from the two sides of the battery strings, vacuum adsorption holes in the repairing platform 1 start an adsorption function, and the current positions of the battery strings are fixed; the shearing mechanism 7 sequentially moves to the welding strips connected between the battery pieces to be removed and the adjacent battery pieces under the action of the X, Y, Z triaxial moving mechanism 10, and before each welding strip is sheared, the left bearing table 11 or the right bearing table 12 on the corresponding side is lifted for a certain distance under the driving of the longitudinal movement motor 111 and the longitudinal movement screw rod 112, so that a sufficient space is provided for the shearing mechanism 7 to shear the welding strips;
after welding strips at two ends of the battery piece to be removed are cut off, a first motor 14 of a rotary worktable 13 drives a first connecting shaft 15 to rotate, so that the rotary worktable 13 is inclined, the battery piece to be removed is poured off from the worktable, and then the worktable rotates reversely to a horizontal state;
placing the battery piece to be welded on the rotary worktable 13, after vacuum adsorption and positioning, driving a second connecting shaft 17 by a second motor 16 to deflect and displace under the guidance of the vision device 6, so that the battery piece to be welded is parallel to other battery pieces on the battery string;
the three-axis moving mechanism 10 drives the micro-clamping mechanism 5 to move to a position where a replacement battery piece is to be meshed with an overlapping welding strip between two adjacent battery pieces, the driving motor 52 drives the first cam mechanism connecting shaft 58 connected with the first sliding plate 56 and the second cam mechanism connecting shaft 59 connected with the second sliding plate 57 to rotate in opposite directions, so that the left clamping plate 54 fixed on the first sliding plate 56 and the right clamping plate 55 fixed on the second sliding plate 57 move in opposite directions to clamp the two overlapping welding strips, at the moment, the three-axis moving mechanism 10 drives the spraying mechanism 3 to move close to the opening 51 from the upper side and spray a proper amount of soldering flux, and the three-axis moving mechanism 10 drives the welding mechanism 2 to move from the upper side of the opening 51 to contact the welding strips and weld the two welding strips into a whole.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (19)
1. An apparatus for repairing a solar cell string, comprising:
the vision device (6) is used for observing the positions of the cell pieces to be eliminated and the replacement cell pieces on the solar cell string, comparing the positions and giving a corrected value of the replacement cell pieces;
the repairing platform (1) is used for bearing and repairing the solar cell string, is provided with a vacuum adsorption hole for fixing a solar cell, and is also provided with a welding workbench (4) for bearing a replacement cell and serving as a base plate for welding the replacement cell and a neighboring cell;
the spraying mechanism (3) can move in the direction X, Y, Z relative to the welding workbench (4) and is used for spraying the scaling powder on the spare battery plate and the remaining long welding strip of the adjacent battery plate;
the welding mechanism (2) can move in the direction X, Y, Z relative to the welding workbench (4) and is used for welding the spare battery plate and the remaining long welding strip of the adjacent battery plate;
the shearing mechanism (7) is arranged above the repairing platform (1) and can move along the direction X, Y, Z, and is used for shearing off welding strips connected between the battery pieces to be removed and the adjacent battery pieces;
characterized in that said repair platform (1) comprises: the battery cell removing machine comprises a left bearing table (11), a right bearing table (12) and a rotary worktable (13) positioned in the middle, wherein the rotary worktable is used for bearing a battery cell to be removed and can bear one battery cell at most;
the device for repairing the solar cell string further comprises: and a micro clamping mechanism (5) which can move along the direction X, Y, Z relative to the welding workbench and is used for clamping and leaning to clamp the welding strip between the replacement battery plate and two adjacent battery plates.
2. The apparatus for reconditioning a solar cell string according to claim 1, wherein said left receiving platform (11) and said right receiving platform (12) move up and down with respect to said rotary table (13).
3. The apparatus for repairing a solar cell string according to claim 2, wherein the left receiving table (11) and the right receiving table (12) are moved in directions approaching and departing from the rotary table (13) with respect to the rotary table (13).
4. A device for repairing a solar cell string according to claim 2 or 3, characterized in that the rotary table (13) is rotated in a vertical direction perpendicular to the repair platform (1).
5. Device for repairing a string of solar cells according to claim 4, characterized in that the rotating table (13) can rotate-5 ° to 5 ° in a horizontal plane flush with the repair platform (1).
6. Device for repairing a string of solar cells according to claim 5, characterized in that said structure of said rotating table (13) comprises:
the first motor (14) is connected with the table surface of the rotary workbench through a first connecting shaft (15) and is used for enabling the rotary workbench (13) to rotate in the vertical direction perpendicular to the repairing platform (1);
and the second motor (16) is connected with the table top of the rotating platform through a second connecting shaft (17) and is used for rotating the rotating workbench (13) by-5 degrees to 5 degrees in a horizontal plane flush with the repairing platform (1), and the second connecting shaft (17) is an eccentric shaft.
7. The device for repairing the solar cell string as claimed in claim 1, wherein the micro-clamping mechanism (5) is provided with an opening (51) corresponding to a position where the replacement cell is clamped and the overlap solder strip between two adjacent cells is adjacent to the replacement cell, the overlap solder strip is exposed to the outside at the opening (51), and the spraying mechanism (3) and the soldering mechanism (2) can be inserted into the opening (51) of the micro-clamping mechanism (5).
8. The apparatus for repairing a solar cell string as claimed in claim 7, wherein: the structure of the micro-clamping mechanism (5) comprises:
a drive motor (52) for providing power;
a cam mechanism (53) connected with the output shaft of the motor;
and the left clamping plate (54) and the right clamping plate (55) are respectively connected with the cam structure (53) and are used for clamping and leaning against the welding strip between the replacement battery piece and two adjacent battery pieces.
9. The apparatus for repairing a solar cell string as claimed in claim 8, wherein: the left clamping plate (54) is connected with the cam mechanism (53) through the first sliding plate (56), the right clamping plate is connected with the cam mechanism (53) through the second sliding plate (57), and the first sliding plate (56) and the second sliding plate (57) respectively drive the left clamping plate (54) and the right clamping plate (55) to be opened and closed relatively under the action of the cam mechanism (53).
10. The apparatus for repairing a solar cell string as claimed in claim 9, wherein: the cam mechanism (53) is structured such that:
the first cam mechanism is connected with the output shaft of the motor through a first cam mechanism connecting shaft (58) and is used for driving the first sliding plate (56) to move;
the second cam mechanism is connected with the output shaft of the motor through a second cam mechanism connecting shaft (59) and is used for driving the second sliding plate (57) to move;
and the connecting plate is used for connecting the output shaft of the motor with the first cam mechanism connecting shaft and the second cam mechanism connecting shaft.
11. The apparatus for repairing a solar cell string as claimed in claim 10, wherein: the first cam mechanism and the second cam mechanism are structured to include:
an elliptical hole (60) provided on the first slide plate (56) and the second slide plate (57);
the ball bearing is in clearance fit with the elliptical hole (60), and the diameter of the ball bearing is the length of the short axis of the elliptical hole;
the first cam mechanism connecting shaft (58) and the second cam mechanism connecting shaft (59) are connected to ball bearings, respectively.
12. The device for repairing a solar cell string as claimed in claim 7, wherein the welding mechanism (2) is an electromagnetic welding mechanism (9) which is disposed on or above the micro-clamping mechanism (5) for holding the overlapped solder strips when performing the welding operation.
13. The apparatus for repairing a solar cell string as claimed in claim 11, wherein the left clamping plate (54) and the right clamping plate (55) for clamping and leaning against the solder strip between the replacement cell and the two adjacent cells are made of high temperature resistant heat conducting material.
14. The device for repairing a solar cell string according to claim 1, wherein two aligning mechanisms (8) moving toward and away from the repairing platform (1) are provided on both sides of the repairing platform (1), and a member for applying force to the long side of the cell string assembly on the repairing platform (1) is provided on each of the two aligning mechanisms (8).
15. The device for repairing a solar cell string as claimed in claim 14, wherein a side elevation of at least one set of said correction means (8) close to the repair platform (1) is a plane parallel to the repair platform (1).
16. The apparatus for repairing a solar cell string as claimed in claim 15, wherein at least one set of the alignment mechanisms (8) is a plurality of rollers (81) spaced apart along the length of the transportation platform, and the rollers (81) are forced to rotate along the vertical axis.
17. The apparatus for reconditioning a solar cell string according to claim 14, wherein said two corrective members (8) are connected by at least one transmission member (82), said transmission member (82) moving said two corrective members (8) in a direction toward or away from each other at the same time.
18. The apparatus for repairing a solar cell string as claimed in claim 17, wherein: the transmission mechanism (82) is a lead screw (83) -nut pair (84) or a gear (85) -rack pair (86), opposite threads or tooth shapes are arranged at two ends of the lead screw or the gear, and the transmission mechanism (82) provides power through a servo motor (87).
19. The apparatus for repairing a solar cell string as claimed in claim 1, wherein: one end of the left bearing table (11) and one end of the right bearing table (12) close to the rotary worktable are provided with a section of welding table top (20), and the welding table top (20) can at least bear half of the battery plates.
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| CN202110219029.9A CN112838146B (en) | 2021-02-26 | 2021-02-26 | Device for repairing solar cell string |
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| CN202110219029.9A CN112838146B (en) | 2021-02-26 | 2021-02-26 | Device for repairing solar cell string |
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| CN112838146B CN112838146B (en) | 2022-08-30 |
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| CN113732586A (en) * | 2021-11-05 | 2021-12-03 | 深圳光远智能装备股份有限公司 | Repairing and welding mechanism for solar cell string and repairing process method for solar cell string |
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| Publication number | Publication date |
|---|---|
| CN112838146B (en) | 2022-08-30 |
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Address after: 750001 No.6, baohu West Road, Jinfeng Industrial Park, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: Ningxia Xiaoniu Automation Equipment Co.,Ltd. Address before: 750001 No.6, baohu West Road, Jinfeng Industrial Park, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: NINGXIA XN AUTOMATION EQUIPMENT Co.,Ltd. |