WO2023088691A1 - Vorrichtung und verfahren zur herstellung von solarmodulen - Google Patents
Vorrichtung und verfahren zur herstellung von solarmodulen Download PDFInfo
- Publication number
- WO2023088691A1 WO2023088691A1 PCT/EP2022/080726 EP2022080726W WO2023088691A1 WO 2023088691 A1 WO2023088691 A1 WO 2023088691A1 EP 2022080726 W EP2022080726 W EP 2022080726W WO 2023088691 A1 WO2023088691 A1 WO 2023088691A1
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- WIPO (PCT)
- Prior art keywords
- solar
- solar elements
- elements
- runners
- runner
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims description 30
- 239000000853 adhesive Substances 0.000 claims description 84
- 230000001070 adhesive effect Effects 0.000 claims description 84
- 238000012546 transfer Methods 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 43
- 238000012360 testing method Methods 0.000 claims description 43
- 239000011159 matrix material Substances 0.000 claims description 24
- 238000004026 adhesive bonding Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 239000011324 bead Substances 0.000 description 17
- 239000000969 carrier Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011143 downstream manufacturing Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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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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- 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
Definitions
- the invention relates to devices for the production of solar modules from solar elements that are electrically connected to one another, in particular from solar shingles that are electrically connected to one another, the devices having a feed device for feeding the solar elements to an assembly of solar modules.
- the invention also relates to methods for producing solar modules, in which solar modules are equipped with solar elements, in particular with solar shingles.
- a new technique envisages assembling solar modules from so-called solar shingles, i.e. from shingle-shaped strips of solar cells.
- the solar elements can be arranged in rows in the finished solar module, with a row of solar elements overlapping an adjacent row of solar elements for electrical contacting. In this way, a solar module is provided that has a shingle-like structure.
- a row in such a solar module can be a structure made of solar elements within which an electrical voltage level is present.
- a line is therefore not a conventional string, as is used in other solar modules and in the longitudinal direction of which the electrical voltage builds up via the solar elements combined in the string.
- the electrical voltage build-up in such a solar module can take place across adjacent rows of solar elements that are electrically connected to one another, transversely or at right angles to the longitudinal extension of the rows.
- the object of the invention is to provide devices and methods of the type mentioned at the outset, which promote the most flexible and yet economical production of solar modules possible.
- a device for the production of solar modules from electrically interconnected solar elements in particular from electrically interconnected solar shingles, is first proposed, which has the means and features of the first independent claim directed to such a device.
- a device for the production of solar modules is proposed in particular, which has a feed device for feeding the solar elements to an assembly of solar modules.
- the device is characterized in that the feeding device comprises a magnetically guided planar drive with at least two magnetically driven runners. Each runner has a workpiece holder on which at least one support, preferably at least two or three supports, is formed for at least one solar element.
- a feeding device with a magnetically guided planar drive which has at least two magnetically driven runners as transport means for transporting the solar elements to a solar module assembly, makes it possible to produce solar modules extremely flexibly. It is possible to produce one and the same device for the production of solar modules for the production of solar modules with a wide variety of solar panel sizes and/or solar element configurations within a solar module without complex conversion measures or conversion processes.
- a device that allows an extremely flexible production of solar modules without being tied to a specific solar element size and/or solar element geometry or Solar module size and / or solar module geometry allows.
- the device according to the invention makes it possible, for example, to first produce solar modules of a first type, in order to then - without complex conversion measures - produce solar modules of a second type of solar module, which differs with regard to, for example, the number of solar elements per solar module and/or the size and / or geometry of the solar elements and / or the arrangement of the solar elements within the solar module differs from the first type.
- At least two support locations for at least one solar element each are arranged on each workpiece holder. In this way, it is possible to use one rotor of the magnetically guided planar drive to supply two or more solar elements for the assembly of a solar module at the same time. This can increase the productivity of the device.
- the planar drive can be set up for, preferably independently, multi-coordinate positioning of the at least two runners.
- the planar drive is independent Multi-coordinate positioning of at least two runners six degrees of freedom.
- each of the at least two runners can be independently of one or all other runners of the planar drive in or. can be moved around up to six axes.
- the runners can thus be moved in six degrees of freedom with the aid of the planar drive.
- the magnetically guided planar drive can have a drive surface on which the at least two runners can be positioned independently of one another in the aforementioned manner in order to supply the solar elements to the assembly of solar modules.
- the runners can float on or above the drive surface due to magnetic levitation and be moved by the magnetically guided planar drive.
- the planar drive can have stands or stators with which the runners can be positioned on the drive surface.
- a transfer area can be defined on the drive surface, in which at least two runners can be positioned in rows next to one another in order to configure the solar elements arranged on the support locations of their workpiece carriers.
- the runners can assume individual and/or variable transfer positions as target positions within the transfer area.
- solar modules in the aforementioned transfer area in a specific configuration. For example, it is possible to arrange the solar elements in the transfer area in rows, which extend over two or more of the runners, in order to then feed the solar elements row by row to the assembly of a solar module.
- the device can have an assembly device.
- the assembly device can have at least one gripper, preferably at least one suction gripper.
- the placement device can be set up to move the at least one gripper in at least two or three degrees of freedom. In one embodiment of the placement device, it is possible to move the at least one gripper in three spatial axes (X, Y and Z) and about a pivot axis.
- the at least one gripper of the pick-and-place device can be mounted pivotably by means of a swivel joint.
- the linear guide can be mounted pivotably via the at least one pivot joint in order to be able to pivot the at least one gripper.
- the device can have a transport unit, for example a transport belt.
- the solar elements for equipping solar modules can be placed, preferably in a clapboard arrangement.
- the solar modules equipped with solar elements can then be fed to a downstream processing and/or handling step.
- the transport unit it is possible to use the transport unit to feed the solar elements to a downstream processing step, for example to a heating of the device.
- the solar elements can be connected to one another or an adhesive bond between the solar elements of equipped solar modules can be cured.
- the device can have a suction device with a negative pressure source and a suction means.
- the suction device can be assigned to the previously mentioned transport unit, on which the solar elements can be placed when solar modules are fitted.
- a suction table for example, which is connected to the vacuum source of the suction device, can be used as suction means.
- the transport unit in particular a conveyor belt, can run over the suction table. It can be favorable here if the transport unit, namely in particular the transport belt, is air-permeable, in particular perforated. So can one of The negative pressure generated by the negative pressure source is transmitted via the suction means, namely in particular via the suction table, to the transport unit and the solar elements positioned thereon in order to fix the solar elements in their arrangement on the transport unit.
- the suction means can therefore be set up to fix solar elements placed on the transport unit to the transport unit by negative pressure. This is favorable because the solar elements placed on the transport unit for equipping the solar modules are connected to one another, for example line by line, by the application of electrically conductive adhesive, but the adhesive connection between the solar elements may not yet have fully cured, so that the solar elements can slip on the transport unit the adhesive connection cannot be completely avoided.
- the suction means in particular the suction table, can reach into an effective area of a heating device of the device, which is provided for curing an adhesive bond between the solar elements of an equipped solar module, and into which the solar elements can be transported in and/or through with the aid of the transport unit.
- the previously mentioned drive surface of the planar drive can be formed between a storage station for solar elements and the assembly device.
- solar elements can be stored in stacks, for example.
- the solar elements can be picked up from the storage station and placed on the support places on the workpiece holders of the runners and then fed to the assembly of the solar modules.
- the device can have at least one handling device with at least one gripper, in particular with at least one suction gripper.
- Solar elements can be placed one after the other or at the same time on the support areas of the workpiece holders of runners in the pick-up position.
- the device may include an orientation determination device for determining the orientation of the solar elements on the aforementioned handling device.
- the alignment determination device can be an optical alignment determination device and can have a camera, for example. For example, based on an outer contour of the solar elements and/or based on an imprint that the solar elements can carry, it is possible to determine the orientation of the solar elements on the handling device. Information about the determined alignment of the solar elements can be used here for the proper placement of the solar elements on the support places on the workpiece holders of the runners.
- the device in particular the planar drive, can have a control unit.
- the control unit can be set up to position a runner depending on a determined orientation of a solar element on the handling device, so that the solar element comes to rest in the desired orientation on a support site of the workpiece holder of the runner when the solar element is laid down.
- the device can include an adhesive station, which has at least one dispensing nozzle for dispensing electrically conductive adhesive onto a solar element arranged at a location.
- the at least one discharge nozzle can be arranged above a drive surface, for example above the previously mentioned drive surface, of the planar drive.
- the runners Due to the large number of degrees of freedom in which the runners can also be moved while the electrically conductive adhesive is being applied to the solar elements, it is possible to adjust certain application parameters when applying the electrically conductive adhesive via the positioning of the runners and the solar elements arranged on them to influence the at least one dispensing nozzle.
- the gluing station preferably has a number of dispensing nozzles which corresponds to a number of support locations on a workpiece carrier of a runner. At least two of the existing dispensing nozzles can be offset from one another in the direction of movement of the runners through the gluing station.
- the staggered arrangement of the at least two dispensing nozzles enables the dispensing nozzles to be arranged as desired, regardless of their installation space, in order to be able to apply adhesive beads of electrically conductive adhesive to comparatively narrow solar elements with only a small spacing.
- the device can have at least one test station that is set up to test an application of adhesive to the solar elements arranged on the tool holders and/or to test the solar elements arranged on the tool holders.
- the test station can be provided on or on a drive surface of the planar drive, for example on or on the previously mentioned drive surface.
- the solar elements arranged on the tool holders can be fed to the test station and tested there, preferably after an application of electrically conductive adhesive, which can be done at one of the adhesive stations already mentioned, for example.
- the test station can have at least one sensor that is set up to test the solar elements and/or an application of adhesive to the solar elements.
- the test station preferably has a number of sensors that corresponds to a number of support locations for solar elements on a tool holder of a runner. In this way it is possible to use all of a tool holder of a runner positioned solar elements at the same time to check whether the solar elements and/or an application of adhesive on them are ok or not ok .
- An optical sensor for example a forked light barrier or a camera, can be used as the sensor.
- mechanical sensors for example tactile sensors, as the sensor.
- a removal device can be assigned to the test station.
- the removal device can be set up to eject improper solar elements.
- the removal device can have at least one gripper, in particular at least one suction gripper. If an examination of the solar elements and/or the application of adhesive on the solar elements reveals that a solar element and/or an application of adhesive on it is/are not correct, the affected solar element can be removed from the rotor’s tool holder using the removal device and ejected from the production process become . This favors the fact that, if possible, only correct solar elements are fed into the assembly of solar modules. This can significantly improve the manufacturing quality that can be achieved with the device and significantly reduce the reject rate of the solar modules produced.
- the device can have an electrostatics station.
- the electrostatics station can be set up for electrostatically charging and/or for electrostatically discharging the workpiece carriers of the runners. In this way, it is possible to fix solar elements to the workpiece holders by means of electrostatic charge when they are fed to the assembly of solar modules. With the help of an electrostatic transport fixation, a non-contact fixation of the solar elements on the workpiece carriers is possible. which makes it possible to dispense with comparatively complex mechanical clamping devices.
- the electrostatics station can have at least one charging contact with which the workpiece holders of the runners can be electrostatically charged to a desired value.
- the at least one charging contact and/or the at least one discharging contact of the electrostatics station can be arranged or formed in a stationary and/or immovable manner on the electrostatics station of the device. This can greatly simplify the design of the electrostatics station.
- a relative movement between the charging contact or Discharging contact and workpiece holders of the runners can in turn be effected by the magnetically guided planar drive and the runners.
- the runners can bring the workpiece holders into contact with the at least one discharge contact of the electrostatics station. It is also possible to bring the workpiece holders of the runners into contact with the at least one charging contact of the electrostatics station by a corresponding movement of the runners in order to electrostatically charge the workpiece holders to a desired value.
- the Workpiece holders for the runners set up to accommodate a matrix pattern made up of several solar elements.
- a matrix pattern of individual solar elements which corresponds to at least a partial pattern of a solar module to be equipped, ready for the assembly of a solar module on the workpiece holders of the runners.
- the device can have at least one testing device for testing the solar elements for damage and/or dimensional accuracy and/or geometry.
- the testing device can be upstream of a drive surface of the planar drive, for example the one already mentioned above. In this way, it is possible to eject improper solar elements before they are placed on the support places on the workpiece holders and fed to the assembly of the solar modules.
- a device is also proposed with the features of the preamble of claim 1 or according to one of claims 1-16, which has an assembly device, for example the aforementioned assembly device, with which solar elements held ready in an output arrangement are received and placed in a defined target arrangement for equipping a solar module can be issued.
- the equipping device has at least two groups of grippers, in particular suction grippers, whose distance from one another can be changed in order to pick up the solar elements in an initial arrangement and to deliver them in a target arrangement for equipping a solar module that differs from the initial arrangement.
- the pick-and-place device can have a linear guide, along which the groups of grippers are arranged such that they can be displaced relative to one another.
- the linear guide can be transverse or be aligned at right angles to a transport direction of a transport unit, for example the transport unit already mentioned above, which is downstream of the pick-and-place device and/or be movable itself in this transport direction.
- the groups of grippers can thus be moved, in particular along the linear guide, in a first direction and/or transversely or at right angles to a transport direction of, for example, the previously mentioned transport unit downstream of the loading device, on which the loading of the solar module with solar elements takes place be .
- the groups of grippers can be movable transversely or at right angles to the direction of movement specified by the aforementioned linear guide.
- the placement device can have a transfer guide, in particular a portal, along which the groups of grippers can be displaced in a second direction.
- the second direction can be transverse or perpendicular to the first direction.
- the solar elements with the runners can be arranged in at least one row, in particular in a transfer position in a transfer area on an assembly device. Furthermore, it is possible to transport the solar elements with the runners into a transfer position in a transfer area on an assembly device. With the help of the runners of the magnetically guided planar drive, which can be controlled extremely flexibly, it is possible to supply the solar elements in almost any arrangement and relative alignment to one another for the assembly of solar modules and to make them available for the assembly of solar modules.
- the solar elements can be placed on a transport unit.
- the transport unit can be designed as a transport belt, for example.
- the solar modules equipped with solar elements can be fed to a subsequent processing step with the transport unit.
- the aforementioned Hei tion can Adhesive connections between the solar elements, in particular between the lines of solar elements, the assembled solar modules are cured.
- the solar modules can, for example with a handling device, be placed on support locations on workpiece holders of the runners.
- the handling device can be, for example, a handling device of the previously mentioned device for the production of solar modules.
- the solar elements Before the solar elements are placed on the supports, it is possible to determine the alignment of the solar elements.
- the runners can then be controlled and aligned before the solar elements are deposited on the support places according to the determined orientation of the solar elements so that the solar elements are properly aligned and placed on the support places without changing their orientation on the handling device.
- a possible misalignment of the solar elements can be compensated for when they are placed on the support places by appropriate positioning of the runners, so that the solar elements are correctly arranged on the support places after they have been placed.
- the runners can be moved according to their up to six degrees of freedom in and/or around at least one of up to six axes.
- the adhesive can be applied during a transfer movement of the runner relative to the dispensing nozzle.
- the solar elements are fed with the runners to a test station for testing, in particular an application of adhesive on or on the solar elements.
- the test station can be arranged or formed in the area of the previously mentioned drive surface of the device.
- the solar elements and/or an application of adhesive to the solar elements can be tested in the testing station.
- Improper solar elements for example those that have a defect or both of which have not been properly applied with adhesive, can then be removed from the tool holders of the runners with one, for example with the previously mentioned removal device of the device, and ejected from the production process.
- the workpiece holders of the runners can at a
- solar elements are used and the runners are moved into a transfer position in such a way that solar elements form at least one row of solar elements on two runners that are each arranged next to one another in the transfer position.
- solar elements feedding solar elements in rows to an assembly of solar modules and keeping them ready assembled in rows for the assembly of solar modules.
- this can be the previously explained production of solar modules in the shingle construction or favor in the so-called shingle matrix construction, in which a row of solar elements within a solar module overlaps an adjacent row at the edge in order to make electrical contact with the adjacent row of solar elements.
- a matrix arrangement in particular a shingle matrix arrangement, when equipping a solar module, at least in every second row of solar elements that is kept ready in the transfer position for equipping the solar modules at least one offset element, ie a solar element with shorter dimensions than the other solar elements within a row, is provided.
- a matrix arrangement of solar elements can represent an arrangement of solar elements in which the solar elements are arranged with a row-by-row offset relative to one another, as in masonry. In this way it is possible for a solar element in a row to overlap at least two solar elements in an adjacent row. This favors the formation of alternative current paths within a solar module constructed in this way.
- the workpiece holders of the runners can be electrostatically charged in order to fix the solar elements on the support points during transport. This preferably to a defined value. It is possible to electrostatically discharge the workpiece holders beforehand.
- the workpiece holders can be moved by moving the runners be brought into contact with the charging contact and/or the discharging contact relative to a charging contact and/or relative to a discharging contact of an electrostatics station. It is advantageous to first discharge the workpiece holders, which can be caused by a short circuit, for example, in order to then electrostatically charge the workpiece holders as precisely as possible to a defined value.
- the extent of the electrostatic charge of the workpiece carrier can determine the holding force of the electrostatic transport fixation with which the solar elements can be fixed to the workpiece carriers of the runners when the solar elements are fed in to equip a solar module at the support locations.
- a runner before a runner is moved to its target position, at least one runner performs an evasive movement next to a runner that is already in the transfer position, in order to avoid a collision between the solar elements placed on the support points of the workpiece holders of the runners.
- the evasive movement of the at least one runner is a tilting movement about a movement axis of the at least one runner.
- at least one runner for example the runner that is to be moved to its target position, can be raised or lowered.
- a runner before moving to its target position, a runner is raised or lowered between two runners that are already in the transfer position and/or tilted about a movement axis, in particular about an axis aligned in the direction of its movement to the target position in order to avoid a collision between the at least one solar element arranged on its workpiece holder and the solar elements arranged on the workpiece holders of the runners already in the transfer position.
- solar elements are arranged in a matrix arrangement, specifically in at least two rows and/or offset from one another, on a workpiece holder of at least one rotor. In this way it is possible to supply the solar elements to the assembly of the solar module already in a matrix arrangement, which can also be found in the subsequently produced solar module.
- a method with the means and features of the second independent claim directed to a method for the production of solar modules is also proposed. It is provided that solar elements are supplied to a solar module with transport means, in particular with rotors of a magnetically guided planar drive, with solar elements being picked up jointly by at least two transport means located in a transfer position and being combined to form a row of solar elements for equipping a solar module . Thereby can be provided that the solar elements combined to form a line are stored on one, for example on the previously mentioned transport unit.
- the solar elements can be fixed to the transport unit by means of vacuum transport and/or fed to a heater of the previously mentioned device.
- the heating allows adhesive connections between the solar elements, in particular between the rows of solar elements, of the equipped solar modules to be cured.
- the solar elements can be picked up together with at least two groups of grippers of an assembly device and combined to form a row of solar elements by a relative movement of the groups of grippers.
- the solar elements When equipping a solar module, the solar elements can be placed in overlapping rows, in particular on a transport unit, and/or glued to one another.
- the solar elements can be deposited on a transport unit, for example on the previously mentioned transport unit.
- the stored solar elements can be fixed by means of negative pressure, for example on the transport unit.
- a suction device for example the one already mentioned, with its vacuum source and suction means can be used for this purpose.
- the solar elements can be placed in the assembly of a solar module in such a way that they overlap solar elements that have already been placed. It is also possible, when equipping a solar module, to place the solar elements in rows, overlapping a row of solar elements that has already been placed.
- the solar elements can be placed on solar elements that have already been positioned in such a way that when they are laid down, their underside spans an acute angle with a base on which the solar elements are to be placed for the assembly of solar modules. In this way, the solar elements can be laid down in an adapted manner to a shingle arrangement produced when the solar elements are laid down in an overlapping manner.
- Figure 1 A perspective view of a
- Apparatus for the production of solar modules which has a feeding device with a magnetically guided planar drive and several runners that can be freely positioned with the help of the planar drive on a drive surface of the planer drive, which are used as means of transport to assemble solar elements supply solar modules,
- Figures 4-7 Different views to illustrate evasive movements that can be performed with the help of the runners when moving the runners into the transfer position for equipping a solar module with solar elements, in order to avoid collisions between solar elements that are arranged on the workpiece holders of the runners,
- FIGS 8- 14 Different views to illustrate the placement of solar elements on support places on the workpiece holders of the runners,
- Figure 15 a detailed view of a gluing station in
- the gluing station having a total of three discharge nozzles arranged offset to one another in the transport direction of the runners through the gluing station,
- FIG. 16 A side view of that shown in FIG.
- Adhesive station to illustrate the application of a first adhesive bead made of electrically conductive adhesive to a first of three solar elements that are arranged on the workpiece holder of the runner
- FIG. 17 a side view of the gluing station shown in FIGS. 15 and 16 to illustrate the application of a bead of electrically conductive adhesive to a central one of the three solar elements positioned on the support positions of the workpiece holder of the runner,
- FIG. 18 a side view of the adhesive station shown in FIGS. 15 and 17 to illustrate the application of a third adhesive bead made of electrically conductive adhesive to a third solar element on the workpiece holder,
- FIGS. 19 and 20 Views to illustrate the adhesive beads made of electrically conductive adhesive applied to the edge of the solar elements
- FIG. 21 a detailed view of an electrostatics station for electrostatically discharging and charging the workpiece carriers for the purpose of transport, fixing the solar element to the contact points for the workpiece holders of the runners,
- FIGS 22-24 Detailed views of the electrostatics station to illustrate a movement of the runners to bring the workpiece carriers into a contact position with the discharge contacts of the electrostatics station,
- FIGS 25-27 Detailed views of the electrostatics station to illustrate a movement that the runners perform in order to position their workpiece carriers in a contact position with the charging contacts of the bring the electrostatic station to electrostatically charge the workpiece holders to a defined value
- FIGS 28-31 Detailed views of a transfer area of the device shown in Figure 1 to an assembly device, with the help of which the solar elements are fed to the assembly of solar modules,
- FIGS 32-43 Different side views of assembly devices to illustrate the assembly of solar modules with solar elements, which are held ready with the help of the runners of the planar drive in the transfer position,
- Figure 44 a detailed view of the transfer area
- the workpiece holders of the runners are occupied by solar elements arranged in a matrix or masonry arrangement, with the arrangement of the solar elements on the workpiece holders of the runners being in the on a transport unit the device is equipped with solar modules equipped with solar elements,
- FIG. 45 a further detailed view of a
- Figures 46-49 a further detailed view of an assembly device which can be used on the device shown in Figure 1 and which has a linear guide with a total of four groups of grippers arranged thereon, the groups of grippers being provided with runners for the assembly of solar modules solar elements provided by a planar drive can be moved independently of one another along a linear guide relative to one another,
- Figure 50 an individual representation of a test station
- Figure 51 the one marked with the circle in Figure 50
- FIG. 1 shows a device, denoted as a whole by 1, for producing solar modules 2 from solar elements 3 electrically connected to one another, namely from solar shingles electrically connected to one another.
- the other figures 2-49 show individual functional units or Sections of the device 1 in individual representations.
- the device 1 has a feed device 4 for feeding the solar elements 3 to an assembly of solar modules 2 .
- the feeding device 4 comprises a magnetically guided planar drive 5 with a plurality of magnetically driven runners 6 which can be positioned freely and independently of one another in six degrees of freedom on a drive surface 7 of the planar drive 5 .
- Each of the runners 6 has a workpiece holder 8 on which support points 9 for at least one solar element 3 , 31 are formed.
- the planar drive 5 is set up for multi-coordinate positioning of the runners 6 in six degrees of freedom.
- Solar elements 3 are solar elements that are longer than solar elements 31, which can also be referred to as offset elements. Together, the solar elements 3 and 31 can be used to produce solar modules 2 in the so-called matrix shingle construction. The solar elements 3 and 31 can therefore also be referred to as solar shingles or solar cell strips.
- the magnetically guided planar drive 5 has the previously mentioned drive surface 7 on which the runners 6 can be positioned independently of one another.
- the drive surface 7 is formed from individual drive modules 10 of the planar drive.
- the drive modules 10 can have or contain drive units, for example stands and/or stators of the planar drive 5 .
- a transfer area 11 is defined on the drive surface 7 . This transfer area 11 is shown in more detail, for example, in FIGS. 1, 28-33 and 44-49.
- the device 1 Adjacent to the transfer area 11 , the device 1 has an assembly device 13 . With the help of the assembly device 13 , the solar elements 3 arranged on the runners 6 can be removed from the support places 9 and laid down on a base 14 , for example line by line, for the assembly of solar modules 2 .
- Each of the mounting devices 13 shown in the figures has at least several grippers 15 for this purpose. All grippers 15 shown in the figures are designed as suction grippers, which allow the solar elements 3 to be handled gently.
- the solar elements 3 are placed on a transport unit 16 , which is designed as a transport belt, of the device 1 .
- the conveyor belt 16 serves as a base 14 on which the solar elements 3 can be placed for equipping the solar modules 2 .
- FIG. 1 shows that the device 1 has a suction device 38 .
- the suction device 38 comprises a vacuum source 39 and a suction means 40 assigned to the transport unit 16 , which in the exemplary embodiment of the device 1 shown in FIG. 1 is designed as a suction table.
- the transport unit 16 is designed as a perforated and therefore air-permeable transport belt that is guided over the suction means 40 .
- the suction device 40 is arranged below the transport unit 16 and is set up to fix solar elements 3 placed on the transport unit 16 to the transport unit 16 by negative pressure.
- the suction means 40 reaches into an effective area of a heater 33 of the device 1 .
- the heater 33 serves to harden an adhesive bond between the solar elements 3 of an equipped solar module 2 .
- the solar elements 3 are thus fixed to the transport unit 16 by means of vacuum transport and fed to the heater 33 .
- Adhesive connections between the solar elements 3 , in particular between the rows 12 of solar elements 3 , of the equipped solar modules 2 are hardened by the heater 33 .
- the grippers 15 of the fitting device 13 shown in FIGS. 33-44 can be moved in several degrees of freedom. It is thus possible to place the solar elements 3, as shown in FIGS. FIG. 1 makes it clear that the drive surface 7 of the planar drive 5 is formed between a storage station 17 for solar elements 3 and the placement device 13 explained above.
- the drive surface 7 is used, among other things, to arrange the solar elements 3, which can be fed to the assembly of solar modules 2 with the help of the rotor 6 of the planar drive 5, in a desired arrangement optimized for the assembly of solar modules 2 in the transfer area 11 of the To position drive surface 7 adjacent to placement device 13 .
- the device 1 also has three handling devices 18, each of which comprises a plurality of grippers 15, which are also designed as suction grippers, on four arms each. Mithil fe the handling devices 18, it is possible to store solar elements 3 one after the other or simultaneously on the support places 9 of the workpiece holders 8 of runners 6 in the pick-up position.
- FIGS. 8-15 The free positioning of the runners 6 in up to six degrees of freedom is explained in more detail in FIGS. It can be seen here that the runners 6 can be moved in the X, Y and Z directions on the drive surface 7 of the planar drive 5 . Furthermore, it is possible to also tilt, rotate or rotate the runners 6 about each of the three axes mentioned above. to swing .
- the placement of the solar elements 3 on the support places 9 on the workpiece holders 8 of the runners 6 is shown in more detail in FIGS. 8-15.
- the device 1 has a plurality of optical alignment determination devices 19 for determining the alignment of the solar elements 3 on the handling devices 18 .
- optical alignment determination devices 19 for determining the alignment of the solar elements 3 on the handling devices 18 .
- the device 1 in particular the planar drive 5 , comprises a control unit 20 .
- the control unit 20 is set up to position the runners 6, depending on a determined alignment of a solar element 3 on the handling devices 18 in their receiving position adjacent to the handling devices 18, so that the solar elements 3, according to their alignment, without realigning the handling devices 18 on one of the support locations 9 of the workpiece holders 8 of the runners 6 can be stored.
- the runners 6 are brought into an alignment in which they can receive the solar elements 3 in such a way that they are properly positioned on the Support places 9 the workpiece holders 8 of the runners 6 can be stored.
- Figure 8 shows a runner 6 in recording position at a
- the handling device 18 has several grippers 15 and is set up to hold a total of three solar elements 3 at the same time.
- FIG. 8 shows that each solar element 3 of the three solar elements 3 is arranged on the grippers 15 in a different orientation.
- the aim is to correctly position the solar elements 3 directly in the alignment gripped with the gripper 15 on one of the support locations 9 of the workpiece holder 8 of the runner without laborious repositioning or repeated handling.
- the runner 6 is positioned according to FIG.
- FIG. 10 shows the same procedure in relation to a second solar element 3 that is held ready for placement on the handling device 18 .
- the runner 6 is aligned below the gripper 15 and the solar element 3 is then placed on the second support location 9 on the workpiece holder 8 of the runner 6 .
- the placement of the third solar element 3, which is shown in Figure 11, is analogous.
- the rotor 6 is aligned as a function of the alignment determined in relation to the third solar element 3 on the handling device 18 before the solar element 3 is placed on a Support space 9 is stored on the workpiece holder 8 of the runner.
- FIGS. 12, 13 and 14 illustrate a further possibility for setting down the solar elements 3 on the support places 9 of the workpiece holder 8 of a runner 6 .
- the runner 6 - in addition to the previously mentioned orientation of the runner 6 corresponding to an orientation of the solar elements 3 on the handling device 18 - is raised a little far in the direction of the individual gripper 15 of the handling device 18 .
- the grippers 15 then no longer have to be lowered in the direction of the support places 9, as shown in FIGS. 12-14. Due to the fact that the runners 6 meet the solar elements 3 to be laid down by lifting them, the solar elements 3 only have to be released.
- the grippers 15 can then be moved to a retracted position. This can reduce the cycle times when placing the solar elements 3 on the support places 9 on the workpiece holders 8 of the runners 6 and increase the cost-effectiveness of the device 1 .
- FIGS. 15-20 show detailed views of a gluing station 21 of the device 1 .
- the gluing station 21 comprises a total of three dispensing nozzles 22 for dispensing electrically conductive adhesive onto the solar elements 3 arranged at the contact points 9 of the runners 6 .
- the dispensing nozzles 22 are arranged above the drive surface 7 of the planar drive 5, so that the runners 6 with the solar elements 3 positioned on them can be moved past below the dispensing nozzles 22 in order to discharge the electrically conductive adhesive from the dispensing nozzles 22 in the form of adhesive beads 23 apply to the solar elements 3 .
- the gluing station 21 thus has a number of dispensing nozzles 22, namely three, which corresponds to the number of support places 9 on the Workpiece holders 8 of the runner 6 corresponds.
- the total of three dispensing nozzles 22 are offset from one another in the direction of movement of the runners 6 through the gluing station 21 . It is thus possible to apply adhesive beads 23 of electrically conductive adhesive even at a comparatively small distance from one another to the solar elements 3 positioned accordingly on the workpiece holders 8 .
- FIGS. 15-20 show the application of the adhesive beads 23 , with FIG. 20 showing a detailed view of the solar elements 3 with the adhesive beads 23 produced thereon.
- the application of the electrically conductive adhesive to the solar elements 3 can be influenced in a targeted manner by moving the runners 6 according to at least one of the total of six degrees of freedom within which each of the runners 6 can be moved. It can be useful, for example, to adjust the distance between the solar elements 3 on the workpiece holders 8 of the runners 6 and the delivery nozzles 22 of the gluing station 21 by moving the runners 6 accordingly in the direction of the Z axis. It is also possible to influence the application of the adhesive beads 23 by adjusting the speed of the runners 6 at which the runners 6 are moved through the gluing station 21 .
- the adhesive can be applied to the solar elements 3 in different ways. For example, it is possible to apply electrically conductive adhesive to the solar elements 3 in the form of continuous adhesive beads 23 . However, it is also possible to apply electrically conductive adhesive to the solar elements 3 in the form of dot patterns or line patterns or line-dot patterns. This can be done at the gluing station 21 of the device 1 by appropriately controlling the dispensing nozzles 22 . The dispensing nozzles 22 can be controlled by the previously mentioned control unit 20 .
- the device 1 has a test station 35 .
- the test station 35 is on or on the drive surface 7 of the planar drive 5 arranged.
- the test station 35 is used to check the application of adhesive to the solar elements 3 arranged on the tool holders 8 and also to check the solar elements 3 arranged on the tool holders 8 .
- the testing station 35 has three sensors 36 .
- the sensors 36 serve in particular to check the adhesive application on the individual solar elements 3 .
- the sensors 36 are in the form of so-called forked light barriers.
- tactile sensors and/or cameras it is also possible to additionally or alternatively use tactile sensors and/or cameras as sensors 36 .
- the testing device 35 is located downstream of the gluing station 21 and is shown in detail in FIGS. 50 and 51 .
- FIG. 50 shows that a removal device 37 is assigned to the test station 35 .
- the removal device 37 is set up to eject solar elements 3 that are not in order.
- An improper solar element 3 can be one that was checked as improper during the test in the test station 35, for example because the solar element 3 itself is improper, for example damaged, or electrically conductive adhesive was not properly applied.
- the removal device 37 has a gripper 15 which is designed as a suction gripper.
- the gripper 15 of the removal device 37 can be moved along a linear axis 41, so that it can be used to remove improper solar elements 3 from the tool holders 8 and eject them from the manufacturing process. If the examination of the solar elements 3 fed to the test station 35 with the runners 6 shows that the solar elements 3 or the application of adhesive on the solar elements 3 is/are not correct, the incorrect solar elements 3 can be removed from the tool holders 8 of the runners 6 with the removal device 37 and are discharged from the manufacturing process by a movement of the gripper 15 along the linear axis 41 . This favors the fact that only correct solar elements 3 are subsequently fed to the assembly of solar modules 2 with the help of the runners 6 .
- FIGS 21-27 show an electrostatics station 24 of the device 1 .
- the electrostatics station 24 is used for electrostatically charging and electrostatically discharging the workpiece holders 8 of the runners 6 .
- the electrostatic station 24 has two charging contacts 25 and two discharging contacts 26 . Both the charging contacts 25 and the discharging contacts 26 are fixed in place on the electrostatics station 24 .
- the electrostatic charge of the workpiece holders 8 serves to fix the solar elements 3 on the support places 9 . Due to the electrostatic charge of the workpiece holders 8, it is possible to reliably fix the solar elements 3 to the support locations 9 for the feed by means of electrostatic forces of attraction.
- the workpiece carriers 8 are first of all electrostatically discharged. This takes place via the discharge contacts 26 of the electrostatics station 24 .
- the runners 6 are first positioned below the discharge contacts 26 and then raised by moving in the direction of the Z axis until the workpiece holders 8 touch the discharge contacts 26 . This creates a short circuit which causes the electrostatic discharge of the workpiece holders 8 .
- the positioning of the runners 6 with their workpiece holders 8 against the discharge contacts 26 is shown in FIGS. 22-24 and in more detail.
- FIGS. 25-27 The targeted static charging of the workpiece holders 8 runners 6 is illustrated in FIGS. 25-27.
- the runners 6 are first positioned below the charging contacts 25 of the electrostatics station 24 .
- the runners 6 are then raised so far in the Z direction that the workpiece holders 8 come into physical contact with the charging contacts 25 of the electrostatic station 24 and can be electrostatically charged.
- the workpiece holders 8 are then ready to receive solar elements 3 on the handling devices 18 .
- Figures 44-49 make it clear that the workpiece holders 8 of the runners 6 are also set up to hold solar elements 3 in a matrix pattern arrangement made up of a number of solar elements 3 .
- the solar elements 3 for the assembly of solar modules 2 in the transfer area 11 of the drive surface 7 can be kept ready adjacent to the assembly device 13 in an arrangement that favors the assembly of solar modules 2 in a matrix arrangement or in a matrix-shingle arrangement.
- the device 1 also has a number of testing devices 27 .
- the testing devices 27 are set up to test the solar elements 3 for damage and/or dimensional accuracy and/or geometry.
- the test devices 27 are arranged in the area of the handling devices 18 and the drive surface 7 of the planar drive 5 upstream. In this way it is possible to close the solar elements 3 on the workpiece holders 8 of the runners 6 before they are deposited on the support places 9 Check and lock out solar elements 3 that are found to be improper after the test.
- planar drive 5 with its freely and very flexibly positionable runners 6 also favors this procedure.
- Each of the runners 6 shown in the figures has several support locations 9 for solar elements 3 on its workpiece holder 8 . Even if one or more support locations 9 on the workpiece holders 8 of the runners 6 should remain free due to the ejection of solar elements 3 that have not been found to be in order, this can be compensated for by appropriate positioning of the runners 6 in the transfer area 11 adjacent to the placement device 13 . A runner 6, which has a free, unoccupied support space 9, can then be moved accordingly to close the gap that actually exists in the provided arrangement of solar elements 3, before the solar elements 3 are removed, that the assembly of solar modules 2 by the remaining free, unoccupied support space 9, the assembly of solar modules 2 is not affected.
- FIGS. 46-49 show a variant of an assembly device 13 .
- the placement device 13 shown in Figures 46-49 is set up to receive solar elements 3, 31 held wide in an initial arrangement, which are held ready here on the workpiece holders 8 of the runners 6 in a matrix or masonry arrangement, and in a defined target arrangement for Equipping a solar module 2 to deliver.
- the pick-and-place device 13 has two groups 28 of grippers 15, namely suction grippers whose distance from one another is variable. In this way it is possible Solar elements 3 , 31 are picked up by the four groups 28 of grippers 15 in a starting arrangement and delivered in a target arrangement that differs from the starting arrangement for equipping solar modules 2 .
- each group 28 of grippers 15 grips a line 12 of solar elements 3, 31, which are held ready on a workpiece holder 8 of a rotor 6, and places them on the base 14 by means of a trans ferschul the transport unit 16 embodied as a transport belt provides.
- Two groups 28 of grippers 15 combine the rows 12 of solar elements 3 , 31 they have picked up to form a long row 12 when equipping a solar module 2 .
- the groups 28 of grippers 15 are brought closer to one another in a movement oriented transversely to the transfer movement.
- the equipping device 13 has a linear guide 29 along which the groups 28 of grippers 15 are arranged so that they can be displaced in relation to one another.
- the groups 28 of Grei remote 15 can thus cross or. are moved at right angles to a transport direction, which is specified by the transport unit 16 downstream of the placement device 13 .
- the groups 28 of grippers 15 can be moved by a transfer guide 30 of a portal, within which the linear guide 29 can also be moved, in the direction of the transport direction specified by the transport unit 16, ie in its own transfer direction.
- the Trans fer arrangement 30 and the linear guide 29 are aligned at right angles to each other and form a compound slide guide that allows the movement of the groups 28 of Grei remote 15 in two axes.
- the grippers 15 are movable not only along a linear axis specified by the transfer guide 30, but also about an axis transverse to the transfer guide 30 predetermined linear axis aligned pivot axis are pivotally mounted.
- the pivot axis runs through pivot joints 32 .
- the transport unit 16 can then transport the solar module 2 equipped in this way, for example, to an effective area of the heater 33 or to a laminating station or to another processing step.
- a total of two rows of grippers 15 are provided.
- the two rows of grippers 15 can be pivoted via pivot joints 32 on a support structure 34 , for example a Portal, the assembly device 13 arranged to favor the shingle arrangement of the rows 12 of solar elements 3 in the assembly of solar modules 2.
- solar modules 2 are equipped with solar elements 3, namely, for example, with solar shingles, which can also be referred to as solar cell strips.
- the solar elements 3 are fed to the assembly of solar modules 2 according to the method with the previously mentioned magnetically driven rotors 6 of the magnetically guided planar drive 5 .
- the solar elements 3 are arranged with the runners 6 in the previously mentioned transfer area 11 adjacent to the mounting device 13 to form rows 12 .
- the runners 6 are therefore used to transport the solar elements 3 to their respective transfer position in the transfer area 11 on the mounting device 13 and to make them available in a favorable alignment for the row-by-row transfer of the solar elements 3 when mounting solar modules 2 .
- the solar elements 3 , 31 are placed on the support locations 9 on the workpiece holders 8 of the runners 6 .
- the orientation of the solar elements 3 , 31 before they are placed on the storage locations 9 is determined using the orientation determination device 19 and the runners 6 are controlled and aligned before the solar elements 3 , 31 are placed on the storage locations 9 in such a way that the runners 6 proper reception of the solar elements 3 , 31 that are kept ready at the handling devices 18 and a possibly detected misalignment of the solar elements 3 when they are placed on the support places 9 can be compensated.
- Electrically conductive adhesive is applied to the solar elements 3 in adhesive beads 23 at the adhesive station 21 . This follows by dispensing electrically conductive adhesive from the dispensing nozzles 22 previously mentioned. The electrically conductive adhesive is applied to the edges of the individual solar elements 3 , 31 in the form of adhesive beads 23 . With the help of the electrically conductive adhesive, it is possible to glue the solar elements 3 , 31 to one another line by line according to the shingle arrangement that they will later assume in the equipped solar module 2 .
- the electrically conductive adhesive is thus applied to the solar elements 3 , 31 during a transfer movement of the runners 6 performed relative to the dispensing nozzles 22 .
- a defined distance between the solar elements 3 , 31 and the dispensing nozzles 22 can by moving the runners 6 along a preferably vertical axis of movement, here the Z-axis, the runners 6 can be adjusted.
- the workpiece holders 8 of the runners 6 can be fitted with solar elements 3, 31 and moved with the runners 6 into a transfer position in the transfer area 11 in such a way that the solar elements 3, 31 on two runners 6 arranged next to one another in the transfer position form a row 12 of solar elements 3, 31 form .
- the workpiece holders 8 of the runners 6 are electrostatically charged to a defined value. This takes place in the electrostatics station 24 already explained above. Beforehand, however, the workpiece holders 8 are electrostatically discharged.
- Rotor 6 in a contact position to the discharge contacts 26 brought the electrostatic station 24 and then discharged by short circuit.
- the workpiece holders 8 are brought into contact with the charging contacts 25 by a movement of the runners 6 relative to the charging contacts 25 of the electrostatics station 24 in order to correspondingly charge the workpiece holders 8 electrostatically.
- FIGS. 4-7 illustrate that before moving into a target position, the runners 6 can perform a compensating movement next to runners 6 already in the transfer position, in order to avoid a collision between the solar elements 3 , 31 placed on the support locations 9 of the workpiece holders 8 .
- Different procedures are possible here.
- Figure 6 makes it clear that it is possible, for example, to move the runner 6, which is already in the transfer position, by a evasive movement of the middle runner 6 in the direction of a movement axis, which is aligned at right angles to the drive surface 7 of the planar drive 5 and the aforementioned Z -axis corresponds to dodge from .
- the middle of the three runners 6 can be moved to its target position without colliding between the solar elements 8 arranged on the workpiece holders 8 .
- the middle runner 6 Due to the evasive movement, the middle runner 6 is lowered in comparison to the two outer runners 6 in the direction of the Z axis.
- the middle runner 6 which is to be moved into its target position between the runners 6 already positioned, to be tilted in order to avoid a collision between the solar elements 3, 31 arranged on the workpiece holders 8.
- the runner 6 leads a Tilting movement about a movement axis of the runner 6, which is aligned in the direction of movement of the runner 6 in its target position.
- the solar elements 3, 31 can already be arranged on the workpiece holders 8 of the runners 6 in a matrix arrangement, namely in at least two rows and/or with an offset relative to one another. This favors the equipping of the solar modules 2 with solar elements 3.31 in a matrix shingle arrangement, as shown in FIGS. 44-49.
- the solar elements 3, 31 are fed to the equipping of solar modules 2 with transport means, namely with rotors 6 of the magnetically guided planar drive 5.
- the solar elements 3.31 are picked up jointly by at least two runners 6 located in the transfer position and are combined to form a row 12 of solar elements 3.31 for equipping a solar module 2. This is done by depositing it on the base 14 provided by the transport unit 16.
- the solar elements 3.31 are each received together with at least two groups 28 of grippers 15 of the assembly device 13 and are combined by a relative movement of the groups 28 of grippers 15 to form a row 12 of solar elements 3.31.
- the solar elements 3.31 overlap.
- the solar elements 3.31 are also equipped with the solar elements when the solar module 2 is fitted
- FIGS 32-35 and 36-43 illustrate that the solar elements 3, 31 are placed on already positioned solar elements 3, 31 when equipping a solar module 2 in such a way that their undersides form an acute angle with a base 14 on which the Solar elements 3, 31 for the assembly of solar modules 2 are stored or placed on stretch.
- the device 1 shown in the figures for producing solar modules 2 can be used to carry out a method for producing solar modules 2 as described above.
- a device 1 which has at least two runners 6 of a magnetically guided planar drive 5 of a feed device 4 of the device 1 for supplying solar elements 3 , 31 for equipping a solar module 2 .
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- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
Description
Claims
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CA3238798A CA3238798A1 (en) | 2021-11-19 | 2022-11-03 | Device and method for producing solar modules |
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DE102021130295.1A DE102021130295A1 (de) | 2021-11-19 | 2021-11-19 | Vorrichtung und Verfahren zur Herstellung von Solarmodulen |
DE102021130295.1 | 2021-11-19 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2221143A1 (de) * | 2007-09-07 | 2010-08-25 | Tohoku Seiki Industries, Ltd. | Solarbatterieübertragungsleitung |
DE102013010447A1 (de) * | 2013-06-21 | 2014-12-24 | Mühlbauer Ag | Verfahren und Vorrichtung zur Herstellung eines Solarmodulstrangs und ein Solarmodulstrang mit flexiblen Solarzellen |
WO2016090341A1 (en) * | 2014-12-05 | 2016-06-09 | Solarcity Corporation | Systems, methods and apparatus for precision automation of manufacturing solar panels |
WO2021089157A1 (en) * | 2019-11-07 | 2021-05-14 | Applied Materials Italia S.R.L. | Apparatus for manufacturing a photovoltaic arrangement comprising a conductive tab element and a plurality of overlapping solar cell pieces, method of manufacturing same |
-
2021
- 2021-11-19 DE DE102021130295.1A patent/DE102021130295A1/de active Pending
-
2022
- 2022-11-03 CA CA3238798A patent/CA3238798A1/en active Pending
- 2022-11-03 WO PCT/EP2022/080726 patent/WO2023088691A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2221143A1 (de) * | 2007-09-07 | 2010-08-25 | Tohoku Seiki Industries, Ltd. | Solarbatterieübertragungsleitung |
DE102013010447A1 (de) * | 2013-06-21 | 2014-12-24 | Mühlbauer Ag | Verfahren und Vorrichtung zur Herstellung eines Solarmodulstrangs und ein Solarmodulstrang mit flexiblen Solarzellen |
WO2016090341A1 (en) * | 2014-12-05 | 2016-06-09 | Solarcity Corporation | Systems, methods and apparatus for precision automation of manufacturing solar panels |
WO2021089157A1 (en) * | 2019-11-07 | 2021-05-14 | Applied Materials Italia S.R.L. | Apparatus for manufacturing a photovoltaic arrangement comprising a conductive tab element and a plurality of overlapping solar cell pieces, method of manufacturing same |
Non-Patent Citations (1)
Title |
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35TH EUROPEAN PHOTOVOLTAIC SOLAR ENERGY CONFERENCE AND EXHIBITION, PROCEEDINGS OF THE INTERNATIONAL CONFERENCE, WIP, SYLVENSTEINSTR. 2 81369 MUNICH, GERMANY, 24 September 2018 (2018-09-24), XP040706078, ISBN: 978-3-936338-50-8 * |
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