JP2011187601A - Method and apparatus for manufacturing solar cell module, and solar cell module - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method and apparatus for manufacturing a solar cell module which allows an interconnector and a solar cell to be sequentially attached from one direction by separating an interconnector disposed in the front surface electrode of the solar cell from an interconnector disposed in the back surface electrode, and also to provide the solar cell module. <P>SOLUTION: The method has: a first interconnector disposing step 21 of disposing a first interconnector 12A in a predetermined position; a solar cell disposing step 22 of aligning a first surface-side electrode of a solar cell 11 on the first interconnector and disposing the solar cell so that the end of the first interconnector is projected from the one end of the solar cell; and a second interconnector disposing step 23 of aligning a second interconnector 12B with a second surface-side electrode of the solar cell and disposing the second interconnector 12B so that its end is projected from the other end of the solar cell to be aligned with the end of the first interconnector projected from the one end of the adjacent solar cell. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a method and apparatus for manufacturing a solar cell module in which solar cells arranged in a plurality of rows in the XY direction are connected to each other via an interconnector, and a solar cell module.

  Conventionally, in a solar cell module (solar cell panel) in which a plurality of solar cells each having a front side electrode on a surface forming a light receiving surface and having a back side electrode on the back side are arranged vertically and horizontally, a plurality of solar cells are provided. Interconnectors are used to connect in series. That is, the interconnector connects the front surface side electrode of one solar battery cell and the back surface side electrode of another solar battery cell adjacent to each other.

  In this type of solar cell module, for example, as described in Patent Document 1, with one interconnector, the front surface side electrode of the solar cell and the back surface side electrode of the solar cell adjacent thereto However, the interconnector itself has a thickness, and in order to constitute a solar cell module, it is necessary to arrange solar cells including the interconnector on the same plane. For this purpose, as described in Patent Document 1, the central portion of the interconnector having a length straddling two adjacent solar cells is formed in a crank shape, and the solar cells are placed on the lower side of the first half of the interconnector. The solar cells adjacent to the second half of the interconnector are joined from above.

JP 2008-53625 A

  In the device described in Patent Document 1, since the interconnector is formed in a crank shape, it is necessary to combine the solar battery cell and the interconnector as follows when manufacturing the solar cell module.

  That is, in the state where the preceding solar cell is soldered to the lower side of the first half of the interconnector, the subsequent solar cell is arranged on the upper side of the second half of the interconnector, and then from the interconnector supply unit. The first half of the supplied next interconnector is disposed on the upper surface of the subsequent solar battery cell. In this state, the pressing member (56) of the upper pressing mechanism (51A, 51B) is lowered to lower the tip of the pressing member to the contact position, and the pressing member (76) of the lower pressing mechanism (52A, 52B) is lowered. The tip of the pressing member is raised to the contact position by raising. Thereby, while soldering the front half part of the interconnector arrange | positioned at the surface side electrode of a subsequent photovoltaic cell (C2) to the surface of a photovoltaic cell (C2), it solders to the preceding photovoltaic cell (C1). The latter half of the attached interconnector is soldered to the back surface of the solar battery cell (C2).

  Thus, in the thing of patent document 1, while the interconnector must be formed in a crank shape, the soldering operation | work from the upper and lower sides of a photovoltaic cell is needed, and attachment of an upper press mechanism and a lower press mechanism is required. There is a problem that the equipment becomes large due to such as.

  The present invention has been made in order to solve the above-described conventional problems. By dividing the interconnector disposed on the front surface side electrode and the interconnector disposed on the back surface side electrode of the solar battery cell, the interconnector is separated. It is an object of the present invention to provide a method and apparatus for manufacturing a solar cell module and a solar cell module in which a connector and a solar cell can be mounted in order from one direction (above).

  According to a first aspect of the present invention, there is provided a solar cell module including at least two solar cells adjacent in the X direction and electrically connecting the solar cells via a first interconnector and a second interconnector. A manufacturing method comprising: a first interconnector arranging step of arranging at least two first interconnectors with an interval in the X direction; and a first surface side electrode of a solar cell on each of the first interconnectors. , And a connecting step of the first interconnector with each connecting end protruding from one end of the solar cell, and a second surface side electrode of the solar cell The second interconnector is aligned with each other, and each connection end of the second interconnector is projected from the other end of the solar cell. And a second interconnector arranging step of arranging the first interconnector in a state of being aligned with the connecting end of the first interconnector protruding from one end of the other adjacent solar cell. is there.

  A feature of the invention according to claim 2 is that, after the second interconnector arranging step, the first interconnector, the first surface side electrode of the solar battery cell, the second surface side electrode of the solar battery cell, and the second It is a manufacturing method of the solar cell module of Claim 1 which has a joining process which joins the edge parts of an interconnector and the said 1st and 2nd interconnector collectively.

  A feature of the invention according to claim 3 is the method of manufacturing a solar cell module according to claim 2, wherein the joining step is performed by using a solder cream or a conductive adhesive.

  A feature of the invention according to claim 4 is that, in the first interconnector placement step, the first interconnector is placed on a cover glass transported by a transport conveyor. 2. A method for producing a solar cell module according to claim 1.

  The invention according to claim 5 is characterized in that, in the solar cell arranging step, the solar cells are aligned and joined on the first interconnector, and in the second interconnector arranging step, the solar cell is arranged. 2. The method for manufacturing a solar cell module according to claim 1, wherein the second interconnector is aligned and joined together, and ends of the first and second interconnectors are joined together.

  According to a sixth aspect of the present invention, there is provided a solar cell module including at least two solar cells adjacent in the X direction and electrically connecting the solar cells via the first interconnector and the second interconnector. In the manufacturing apparatus, a first interconnector arranging step, a solar battery cell arranging step, and a second interconnector arranging step are arranged along the conveyor, respectively, and the first interconnector arranging step has a predetermined length. A first interconnector supplying device for supplying one interconnector, and a first interconnector mounting device for arranging the first interconnector supplied by the first interconnector supplying device on the transport conveyor, In the battery cell arrangement step, the first surface side electrode is connected to the first interconnector. A solar battery cell supply device that supplies a pond cell, and a connecting end portion of the solar battery cell supplied by the solar battery cell supply device on the first interconnector so as to protrude from one end portion of the solar battery cell. And a second interconnector for supplying a second interconnector having a predetermined length connected to the second surface side electrode of the solar battery cell in the second interconnector arranging step. A second interconnector disposed on the solar cell so that a connecting end of the second interconnector supplied by the supply device and the second interconnector supply device protrudes from the other end of the solar cell; A connector mounting device is provided, and the second interconnector mounting device connects the second interconnector to the solar battery cell. At the same time, the solar cell adapted to connect the connecting end of the second interconnector to the connecting end of the first interconnector connected to another solar cell adjacent to the solar cell. This is a module manufacturing apparatus.

  A feature of the invention according to claim 7 is that, after the first interconnector arranging step, a step of applying a solder cream or a conductive adhesive on the first interconnector, and after the solar cell arranging step, the solar battery The solar cell module manufacturing apparatus according to claim 6, further comprising: applying a solder cream or a conductive adhesive to the second surface side electrode of the cell and the protruding end of the first interconnector.

  A feature of the invention according to claim 8 is a solar battery module including a plurality of solar cells arranged adjacent to each other in the XY direction, wherein the connection end portion is connected to the first surface side electrode of the solar cells. A first interconnector projecting from one end of the solar cell and connected to the second surface side electrode of the solar cell adjacent to the solar cell projecting from the other end of the solar cell. And a second interconnector connected to each other, and a solar cell module configured by joining the connecting end portions of the first and second interconnectors.

  A feature of the invention according to claim 9 is the solar cell module according to claim 8, wherein the connection leading end portions of the first and second interconnectors are electrically joined by a solder cream or a conductive adhesive. is there.

  According to the first aspect of the present invention, the first interconnector arranging step of arranging the first interconnector with an interval in the X direction, and the first surface side electrodes of the solar cells on the first interconnector, respectively. Alignment and placement of the first interconnector with each connecting end protruding from one end of the photovoltaic cell, and a second interconnector on the second surface side electrode of the photovoltaic cell. And the connecting end of the first interconnector protruding from one end of another adjacent solar battery cell with the connecting end of the second interconnector protruding from the other end of the solar battery cell And a second interconnector arranging step of arranging in a combined state.

  Thus, by dividing the interconnector into one that is joined to the first surface side electrode of the solar battery cell and one that is joined to the second surface side electrode, there is no need to form the interconnector into a crank shape. And it becomes possible to arrange | position a 1st interconnector, a photovoltaic cell, and a 2nd interconnector sequentially from one direction, and, thereby, a manufacturing facility can be simplified.

  According to the invention of claim 2, after the second interconnector placement step, the first interconnector and the first surface side electrode of the solar battery cell, the second surface side electrode of the solar battery cell and the second interconnector, and Since it has the joining process which joins the edge parts of 1 and the 2nd interconnector collectively, a photovoltaic cell can be heated uniformly by reflow and the crack and curvature of a photovoltaic cell can be suppressed. Moreover, since the arrangement process and the soldering process are divided, the cycle time can be shortened, and the solar cell module can be efficiently manufactured.

  According to the invention of claim 3, since the joining step is performed by using solder cream or a conductive adhesive, it is not necessary to use an expensive interconnector coated with solder. The cost can be reduced.

  According to the invention which concerns on Claim 4, in the 1st interconnector arrangement | positioning process, since the 1st interconnector was arrange | positioned on the cover glass conveyed by a conveyance conveyor, compared with what arrange | positions on a conveyance pallet etc. Thus, the facility for returning the transport pallet or the like can be eliminated, and the solar cell module can be manufactured with an inexpensive manufacturing facility.

  According to the invention which concerns on Claim 5, in a photovoltaic cell arrangement | positioning process, while aligning and joining a photovoltaic cell on a 1st interconnector, it is 2nd interconnect on a photovoltaic cell in a 2nd interconnector arrangement process. Since the connector is aligned and joined, and the ends of the first and second interconnectors are joined together, the first interconnector and the second interconnect on both sides of the solar battery cell 11 in the subsequent step of the second interconnector placement step. It is possible to eliminate the need for a reflow furnace for reflow soldering the two interconnectors together.

  According to the invention which concerns on Claim 6, a 1st interconnector arrangement | positioning process, a photovoltaic cell arrangement | positioning process, and a 2nd interconnector arrangement | positioning process are each arrange | positioned along a conveyance conveyor, and a 1st interconnector is provided in each of these arrangement processes. A mounting device, a solar cell mounting device, and a second interconnector mounting device are provided. The second interconnector mounting device connects the second interconnector to the solar cell and simultaneously connects the connecting end of the second interconnector to the solar cell. It connects with the connection end part of the 1st interconnector connected to another photovoltaic cell adjacent to a battery cell.

  In this way, by dividing the interconnector into one disposed on the first surface side electrode of the solar battery cell and one disposed on the second surface side electrode, it is not necessary to form the interconnector into a crank shape. In addition, the first interconnector, the solar battery cell, and the second interconnector can be sequentially arranged from one direction, whereby the solar battery module can be easily manufactured.

  According to the invention which concerns on Claim 7, after the 1st interconnector arrangement | positioning process, the process of apply | coating a solder cream or a conductive adhesive on a 1st interconnector, and the 2nd photovoltaic cell after a photovoltaic cell arrangement | positioning process And applying a solder cream or a conductive adhesive to the protruding connection end portions of the surface-side electrode and the first interconnector, which can contribute to equalization of working time in each step.

  According to the invention concerning Claim 8, it is a solar cell module provided with the some photovoltaic cell arrange | positioned adjacent to XY direction, Comprising: A connection edge part is a solar cell in the 1st surface side electrode of a photovoltaic cell. The first interconnector protruding from the one end of the cell and connected to the second surface side electrode of the solar cell adjacent to the solar cell, and the connecting end protruding from the other end of the solar cell and connected. 2 interconnectors, and the connecting end portions of the first and second interconnectors are joined to each other, so that a plurality of adjacent solar cells are electrically connected via the divided first and second interconnectors. The solar cell module that can be easily connected and assembled can be realized, and the cost of the solar cell module can be reduced.

  According to the ninth aspect of the present invention, since the connecting end portions of the first and second interconnectors are electrically joined by solder cream or conductive adhesive, an expensive interconnector coated with solder is used. The cost of the solar cell module can be reduced.

It is a top view which shows the outline | summary of the solar cell module which concerns on embodiment of this invention. It is sectional drawing cut | disconnected along 2-2 line | wire of FIG. It is a figure which shows the state which connected the photovoltaic cell adjacent by the interconnector. It is a perspective view which shows the whole manufacturing apparatus of the solar cell module which concerns on the 1st Embodiment of this invention. FIG. 5 is a view showing a main part of FIG. 4 and showing a solar cell module placement step. It is a schematic diagram which shows the structure which arrange | positions an interconnector in an adjacent photovoltaic cell. It is a figure which shows the manufacturing method of the solar cell module which concerns on 1st Embodiment. It is a figure which similarly shows the manufacturing method of a solar cell module. It is a figure which similarly shows the manufacturing method of a solar cell module. It is a figure which similarly shows the manufacturing method of a solar cell module. It is a figure which similarly shows the manufacturing method of a solar cell module. It is a figure which similarly shows the manufacturing method of a solar cell module. It is a figure which shows roughly the manufacturing method of the solar cell module which concerns on 1st Embodiment. It is a perspective view which shows the whole manufacturing apparatus of the solar cell module which concerns on the 2nd Embodiment of this invention. It is a perspective view which shows the whole manufacturing apparatus of the solar cell module which concerns on the 3rd Embodiment of this invention.

  Hereinafter, a method and apparatus for manufacturing a solar cell module and a solar cell module according to a first embodiment of the present invention will be described.

  FIG. 1 shows a plan view of a solar cell module (solar cell panel) 10 according to the present invention. The solar cell module 10 includes a plurality of solar cells 11 arranged vertically and horizontally on an XY plane. In the first embodiment, the solar cell module 10 includes X1 × Y1 solar cells 11 in a matrix of X1 (for example, 10) in the X direction and Y1 (for example, 6) in the Y direction. This is shown in an example in which

  The X1 solar cells 11 adjacent to each other arranged in the X direction are electrically connected to each other by an interconnector 12 (12A, 12B) having a configuration to be described later, thereby forming a Y1 set of strings 13. Both ends of the strings 13 are electrically connected to each other by a bus bar interconnector 14 described later. Thereby, the several photovoltaic cell 11 which comprises the solar cell module 10 is connected in series.

  As shown in FIG. 2, the solar cell module 10 includes a transparent cover glass 15 disposed on the light receiving surface side, and a back sheet 16 having excellent weather resistance disposed on the back surface side. The cover glass 15, the back sheet 16, In the meantime, a plurality of solar cells 11 are sealed and arranged with a resin such as EVA. The solar battery cell 11 is a thin film having a thickness of about 200 μm, and the thickness is exaggerated in the figure.

  FIG. 3 shows a configuration in which solar cells 11 adjacent in the X direction are electrically connected by an interconnector 12 (12A, 12B). The interconnector 12 is bonded to an upper interconnector (hereinafter referred to as a first interconnector) 12A that is bonded to an electrode on the light receiving surface side 11a of the solar battery cell 11 and an electrode on the back surface side 11b of the solar battery cell 11. The lower interconnector (hereinafter referred to as the second interconnector) 12B. The first interconnector 12 </ b> A and the second interconnector 12 </ b> B are substantially the same, each having a straight line shape and a length slightly larger than the dimension of the solar battery cell 11 in the X direction.

  Since the first interconnector 12A and the second interconnector 12B do not necessarily have to be provided over the entire length of the solar battery cell 11 in the X direction, the lengths of the first interconnector 12A and the second interconnector 12B are You may make it equivalent to the dimension of the X direction of the photovoltaic cell 11 or slightly short.

  The first interconnector 12A is aligned and joined to the light-receiving surface side electrode so as to protrude by a predetermined amount from the end portion on the front end side in the X direction of the solar battery cell 11 (the right end in FIG. 3). 12B is aligned and joined to the back surface side electrode so as to protrude a predetermined amount from the end portion (left end in FIG. 3) on the rear end side in the X direction of the solar battery cell 11. The connecting end portion 12A1 of the first interconnector 12A protruding from the end portion on the front end side in the X direction of the solar battery cell 11 is protruded from the end portion on the rear end side in the X direction of the solar cell 11 adjacent thereto. In addition, it is electrically joined to the connecting end 12B1 of the second interconnector 12B by, for example, reflow soldering using a solder cream 17.

  Next, a specific configuration of a manufacturing apparatus that manufactures the solar cell module 10 having the above configuration will be described. In the following, as shown in FIG. 6, the first interconnector 12 </ b> A is provided at the lower part of the back-facing solar battery cell 11 with the light receiving surface 11 a facing downward, and the second interconnector 12 </ b> B is provided at the upper part of the solar battery battery 11. This will be described with an example of joining. In this case, the light receiving surface side electrode and the back surface side electrode of the solar battery cell 11 constitute the first surface side electrode and the second surface side electrode in the claims.

  FIG. 4 shows the entire manufacturing apparatus of the solar cell module 10, and FIG. 5 shows the main part of the present invention in which the first and second interconnectors 12 A and 12 B are attached to the solar cell 11. The manufacturing apparatus includes a first interconnector arrangement position (first interconnector arrangement process) 21, a solar cell arrangement position (solar cell arrangement process) 22, and a second interconnector arranged along the X direction. There is an arrangement position (second interconnector arrangement step) 23, and a conveyance conveyor 24 that conveys the cover glass 15 on which the solar cells 11 and the like are placed through the arrangement positions 21, 22, and 23 is provided. .

  In FIG. 5, openings 25 a and 26 a penetrating in the X direction are formed in the bases 25, 26 and 27 installed at the first interconnector arrangement position 21, the solar battery cell arrangement position 22 and the second interconnector arrangement position 23. 27a are formed. A conveyor 24 is disposed through the openings 25a, 26a, 27a of the bases 25, 26, 27. The transport conveyor 24 has a conveyor width corresponding to the dimension in the Y direction of the solar cell module 10, and the cover glass 15 on which Y1 solar cells 11 and the like arranged in the Y direction of the solar cell module 10 are placed. Is supposed to be transported.

  The first interconnector arrangement position (first interconnector arrangement step) 21 includes a first interconnector supply device 32 that supplies the first interconnector 12A wound around the bobbin 31 to a predetermined position, and X, Y, and Z directions. A mounting robot 33 is provided as a first interconnector mounting device that can be moved to the position. The bobbin 31 is supported by the base 25 so as to be rotatable about an axis parallel to the transport direction of the transport conveyor 24, and the first interconnector 12A can be pulled out in the Y direction toward the transport conveyor 24. .

  The first interconnector mounting robot 33 is a Y-direction movable base that is movably guided by a pair of Y-direction guide rails 35 installed along the Y direction on both sides of the base 25 at the first interconnector placement position 21. 36, an X-direction movable base 38 movably guided by an X-direction guide rail 37 attached to the Y-direction movable base 36, and movable in the Z direction (vertical direction) on both sides of the X-direction movable base 38, respectively. A nozzle head 39 and a dispenser 40 mounted on the X direction movable table 38, and a product position confirmation camera 41 installed on the X direction movable table 38. The dispenser 40 applies the solder cream 17 to the first interconnector 12A, and the product position confirmation camera 41 includes the cover glass 15 on which the products (interconnectors 12A and 12B and the solar battery cell 11) are placed, or the conveyor 24. The position of is confirmed. A suction nozzle 42 that sucks the first interconnector 12A is supported on the nozzle head 39 so as to be rotatable about a vertical axis.

  The first interconnector supply device 32 draws the first interconnector 12A wound around the bobbin 31 in the Y direction and cuts it to a predetermined length, and the cut first interconnector 12A is sucked by the suction nozzle 42 of the nozzle head 39. It supplies to the predetermined position which can adsorb | suck. The first interconnector 12A supplied to the predetermined position is sucked by the suction nozzle 42 and mounted on the cover glass 15 in a predetermined posture.

  The solar cell arrangement position (solar cell arrangement step) 22 is moved in the X, Y, and Z directions with a solar cell supply device 44 that supplies the solar cells 11 stored in the solar cell stocker 43 to a predetermined position. A mounting robot 45 as a possible solar cell mounting device and a cell suction posture confirmation camera 46 for checking the suction posture of the solar cells 11 sucked by a suction nozzle described later are provided.

  The solar cell mounting robot 45 includes a Y-direction movable table 48 movably guided by a pair of Y-direction guide rails 47 installed along the Y direction on both sides of the base 26 at the solar cell arrangement position 22. , An X-direction movable base 50 movably guided by an X-direction guide rail 49 attached to the Y-direction movable base 48, and nozzle heads mounted on both sides of the X-direction movable base 50 so as to be movable in the Z direction. 51, a dispenser 52, and a product position confirmation camera 53 installed on the X-direction movable stand 50. The dispenser 52 applies the solder cream 17 to the solar battery cell 11 or the first interconnector 12A, and the product position confirmation camera 53 confirms the position of the cover glass 15 on which the product is placed or the conveyor 24. is there. An adsorption nozzle 54 that adsorbs solar cells 11 is supported on the nozzle head 51 so as to be rotatable about a vertical axis.

  The solar cell supply device 44 is configured to supply the solar cells 11 stored in the solar cell stocker 43 to a predetermined position where the solar cells 11 can be adsorbed by the adsorption nozzle 54 of the nozzle head 51. The solar battery cell 11 supplied to the predetermined position is adsorbed by the adsorption nozzle 54 and mounted in a predetermined posture on the first interconnector 12A.

  The second interconnector placement position (second interconnector placement step) 23 is wound around the second interconnector supply device 56 for supplying the second interconnector 12B wound around the first bobbin 55 and the second bobbin 57. A bus bar interconnector supplying device 58 for supplying the bus bar interconnector 14 and a mounting robot 59 as a second interconnector mounting device movable in the X, Y, and Z directions are provided. The first bobbin 55 and the second bobbin 57 are supported by the base 27 so as to be rotatable about a common axis parallel to the transport direction of the transport conveyor 24, and the second interconnector 12B and the bus bar interconnector 14 are connected to each other. It can be pulled out in the Y direction toward the conveyor 24.

  The second interconnector mounting robot 59 is a Y-direction movable base that is movably guided by a pair of Y-direction guide rails 61 installed along the Y-direction on both sides of the base 27 at the second interconnector arrangement position 23. 62, an X-direction movable base 64 guided movably on an X-direction guide rail 63 attached to the Y-direction movable base 62, and mounted on both sides of the X-direction movable base 64 so as to be movable in the Z direction. A nozzle head 65, a dispenser 66, and a product position confirmation camera 67 installed on the X-direction movable table 64 are provided. The dispenser 66 applies the solder cream 17 to the connecting end 12A1 of the first interconnector 12A, and the product position confirmation camera 67 confirms the position of the cover glass 15 on which the product is placed or the conveyor 24. is there. A suction nozzle 68 that sucks the second interconnector 12B or the bus bar interconnector 14 is supported on the nozzle head 65 so as to be rotatable around a vertical axis.

  The second interconnector supply device 56 draws the second interconnector 12B wound around the first bobbin 55 in the Y direction and cuts it to a predetermined length, and the cut second interconnector 12B is sucked to the suction nozzle 68 of the nozzle head 65. It supplies to the predetermined position which can adsorb | suck. Further, the second interconnector supply device 56 pulls out the bus bar interconnector 14 wound around the second bobbin 57 in the Y direction and cuts it to a predetermined length, and the predetermined bus bar interconnector 14 can be sucked by the suction nozzle 68. To feed the position. The second interconnector 12B supplied to the predetermined position is sucked by the suction nozzle 68 and is mounted on the above-described solar battery cell 11 in a predetermined posture. The bus bar interconnector 14 supplied to a predetermined position is also sucked by the suction nozzle 68 and is mounted so as to connect the solar cells 11 adjacent in the Y direction to each other.

  In the first embodiment, as shown in FIG. 13, the first interconnector arranging step 21, the solar cell arranging step 22, and the second interconnector arranging step 23 are performed in the X direction (conveyance of the conveyer 24. In the direction), the interconnectors 12A, 12B or the solar cells 11 are provided with stages of a size necessary for arranging three rows in parallel at a predetermined interval. Moreover, between the 1st interconnector arrangement | positioning process 21 and the photovoltaic cell arrangement | positioning process 22, and between the photovoltaic cell arrangement | positioning process 22 and the 2nd interconnector arrangement | positioning process 23, it is interconnector 12A, 12B in a X direction, respectively. Or it has the dead space S1 and S2 of the magnitude | size required in order to arrange the photovoltaic cell 11 in parallel with each other at predetermined intervals.

  As shown in FIG. 4, on the upstream side of the conveyor 24, that is, upstream of the first interconnector placement position 21, a glass stocker 70 that stocks a cover glass 15 that covers the light receiving surface side 11 a of the solar cell module 10. The cover glass 15 stocked in the glass stocker 70 is lifted by the glass transport device 71 and placed on the transport conveyor 24.

  Further, a buffer conveyor 72 is disposed on the downstream side of the transfer conveyor 24, that is, on the downstream side of the second interconnector arrangement position 23, and the buffer conveyor 72 is X1 × carried out from the second interconnector arrangement position 23. A cover glass 15 on which an assembly of Y1 matrixed solar cells 11 is placed is received and conveyed to the reflow furnace 73.

  The assembly of the solar cells 11 on the cover glass 15 conveyed from the buffer conveyor 72 is continuously fed through the reflow furnace 73, whereby the solder cream 17 applied to the first interconnector 12A and the solar cells 11 is obtained. The first interconnector 12 </ b> A and the second interconnector 12 </ b> B are reflow soldered to both sides of the solar battery cell 11 while being heated, and the connection end part 12 </ b> A <b> 1 of the first interconnector 12 </ b> A protruding from the front end part of the solar battery cell 11 The connection end portion 12B1 of the second interconnector 12B protruding from the steel end portion of the solar battery cell 11 adjacent thereto is reflow soldered and electrically connected to each other.

  The assembly of solar cells 11 reflow-soldered by the reflow furnace 73 is conveyed to the cleaning step 74, and in this cleaning step 74, the aggregate of the solar cells 11 formed into a matrix from the cover glass 15 is lifted, The cover glass 15 is washed, and an EVA film is placed on the washed cover glass 15, and is unloaded from the washing step 74 in a state where the aggregate of the solar cells 11 is placed on the EVA film.

  It should be noted that the aggregate of the solar cells 11 formed into a matrix on the cover glass 15 carried out from the cleaning step 74 is in a state where the back sheet 16 is put on the back side electrode of the aggregate of the solar cells 11. Although not shown, the outer edge portion of the aggregate of the solar cells 11 formed into a matrix is covered over the entire circumference with an outer frame made of aluminum or the like, whereby the solar cell module 10 is completed.

  Next, the manufacturing method which manufactures the solar cell module 10 based on an above-described structure is demonstrated. In the following description, in order to make the working time in the first interconnector arranging step 21, the solar battery cell arranging step 22 and the second interconnector arranging step 23 as uniform as possible, the solder cream to the first interconnector 12A The application of 17 will be described using an example in which not only the first interconnector placement step 21 but also the solar cell placement step 22 and the second interconnector placement step 23 are divided.

  First, as shown in FIG. 7, the cover glass 15 is placed on the transport conveyor 24 by the glass transport device 71 from the glass stocker 70, and the cover glass 15 is moved to the first interconnector placement position 21 by the transport conveyor 24. Three solar cells 11 are arranged in the X direction, and Y1 rows of solar cells 11 are carried in the Y direction in the direction of the arrow in FIG. The position of the cover glass 15 is confirmed by a product position confirmation camera 41 that detects the edge portion of the cover glass 15, and the cover glass 15 is positioned at a predetermined position.

  Subsequently, the first interconnector 12A is pulled out in the Y direction from the bobbin 31 of the first interconnector supply device 32 toward the conveyor 24 and cut to a predetermined length, and the first interconnector mounting robot 33 is sucked. It is supplied to a predetermined position where it can be adsorbed by the nozzle 42. The first interconnector 12A having a predetermined length supplied to a predetermined position is sucked by the suction nozzle 42, and then the suction nozzle 42 is turned 90 degrees so that the linear direction of the first interconnector 12A is parallel to the X direction. It is mounted (arranged) on the cover glass 15 with the posture changed so as to be (see FIG. 8). At this time, as shown in FIG. 6, the first interconnector 12 </ b> A has a predetermined interval (the same interval as the light receiving surface side electrode) in the Y direction with respect to one solar cell 11 in the X direction. Two pieces are arranged in parallel.

  By repeating such cutting and supply of the first interconnector 12A, suction by the suction nozzle 42, and placement on the cover glass 15, a predetermined interval in the X direction on the cover glass 15 as shown in FIG. 13A. 3 rows of first interconnectors 20A are arranged. In addition, a row | line here means what consists of Y1 1st interconnectors 20A group arranged in parallel by the Y direction.

  Next, the solder cream 17 is respectively applied to a part of the three rows of the first interconnectors 12A arranged at intervals in the X direction and the Y direction by the dispenser 40 provided in the first interconnector mounting robot 33. A plurality of portions are applied at the same interval as the light receiving surface side electrode of the solar battery cell 11. That is, it is necessary to apply to the first interconnector 12A at the first interconnector arrangement position 21 so that the work time for applying the solder cream to the first interconnector 12A at the first interconnector arrangement position 21 does not become long. Instead of applying the solder cream 17 to all positions, the solder cream 17 is applied to predetermined positions so as to be divided at the solar cell arrangement position 22 and the second interconnector arrangement position 23 in the subsequent process.

  When the application of the predetermined solder cream 17 to the first interconnector 12A arranged on the cover glass 15 in the first interconnector arrangement position 21 is completed, the conveyor 24 is pitched by three rows of the first interconnector 12A. The cover glass 15 and the first interconnectors 12 </ b> A for three rows arranged thereon are transported in the transport direction of the transport conveyor 24.

  As shown in FIG. 9 and FIG. 13B, the first interconnector 12 </ b> A arranged in parallel in the Y direction of the first first row is arranged by pitch feeding for the three rows of the solar cells 11 of the transport conveyor 24 described above. Are carried into the solar cell arrangement position 22, and the first interconnectors 12 </ b> A for the subsequent two rows are conveyed into the dead space S <b> 1 between the first interconnector arrangement position 21 and the solar cell arrangement position 22. Is done.

  In this state, at the first interconnector arrangement position 21, the first interconnector 12A cut to a predetermined length is adsorbed by the adsorption nozzle 42 in the X direction on the cover glass 15 in the same manner as described above. Three rows are sequentially arranged (see FIGS. 10 and 13C). Thereafter, the solder cream 17 is applied by a dispenser 40 to a required position on the first interconnector 12A.

  On the other hand, in the solar battery cell arrangement position 22, the solder cream 17 is applied to the remaining necessary portions except for the connection end portion 12A on the first interconnector 12A in the first row carried into the solar battery cell arrangement position 22. The Next, as shown in FIG. 13C, the solar cell 11 supplied to a predetermined position from the solar cell stocker 43 is adsorbed by the adsorption nozzle 54 of the solar cell mounting robot 45 with the light receiving surface side electrode facing downward. Then, they are sequentially arranged (mounted) on the first interconnector 12A in the first row carried into the solar cell arrangement position 22. At this time, as shown in FIG. 6, the solar cells 11 are aligned in such a manner that the connecting end 12A1 of the first interconnector 12A protrudes from the front end of the solar cells 11 by a predetermined amount. Arranged on the interconnector 12A. Then, the solder cream 17 is apply | coated on the back surface side electrode of the photovoltaic cell 11 of the 1st row arrange | positioned on 12 A of 1st interconnectors (refer FIG. 6 and FIG. 10).

  Thereby, the light-receiving surface side electrode of the photovoltaic cell 11 arranged on the first interconnector 12 </ b> A is brought into contact with the first interconnector 12 </ b> A via the solder cream 17. At this time, the adsorption posture of the solar cell 11 adsorbed by the adsorption nozzle 54 is confirmed by the cell adsorption posture confirmation camera 46, and if necessary, the adsorption nozzle 54 is rotated around the vertical axis line. Correct posture.

  When the application of the solder cream 17 on the first interconnector 12A at the first interconnector arrangement position 21 and the application of the solder cream 17 on the solar battery cell 11 at the solar cell arrangement position 22 are finished, the transfer conveyor 24 is again pitch-fed by three rows of solar cells 11. As a result, as shown in FIG. 13D, the first row of solar cells 11 arranged on the first interconnector 12A is dead between the solar cell arrangement position 22 and the second interconnector arrangement position 23. The first interconnector 12A in the subsequent three rows (second to fourth rows) is carried into the space S2 and is carried into the solar cell arrangement position 22, and the second row (fifth and sixth rows) in the second row. One interconnector 12 </ b> A is transported into the dead space S <b> 1 between the first interconnector arrangement position 21 and the solar battery cell arrangement position 22.

  In this state, in the first interconnector arrangement position 21, the first interconnector 12A supplied to the predetermined position is sucked by the suction nozzle 42 in the same manner as described above, and three rows in the X direction are placed on the cover glass 15. Then, the solder creams 17 are respectively applied onto the first interconnectors 12A for the three rows.

  On the other hand, at the solar battery cell arrangement position 22, the solder cream 17 is applied to the remaining necessary portions excluding the connection end portion 12A of the first interconnector 12A carried into the solar battery cell arrangement position 22. Thereafter, the solar cells 11 supplied to the predetermined positions from the solar cell stocker 43 are adsorbed by the adsorption nozzles 54, and the first interconnectors 12A for the three rows carried into the solar cell arrangement positions 22 are placed on the first interconnector 12A. The connecting end 12A1 of the interconnector 12A is sequentially arranged so as to protrude from the front end (see FIGS. 11 and 13E). Thereafter, the solder cream 17 is applied on the back-side electrodes of the three rows of solar cells 11 arranged on the first interconnector 12A.

  When the application of the solder cream 17 on the first interconnector 12A at the first interconnector arrangement position 21 and the application of the solder cream 17 on the solar battery cell 11 at the solar cell arrangement position 22 are finished, the transfer conveyor 24 is further pitch-fed by three rows of solar cells 11. As a result, as shown in FIG. 13F, two rows of solar cells 11 from the top are carried into the second interconnector arrangement position 23, and the following two rows of solar cells 11 are arranged at the solar cell arrangement positions. 22 and the second interconnector arrangement position 23 are transported into the dead space S2, and the subsequent three rows of first interconnectors 12A are carried into the solar cell arrangement position 22 and the subsequent two rows of first interconnectors 12A. The connector 12 </ b> A is conveyed into the dead space S <b> 1 between the first interconnector arrangement position 21 and the solar battery cell arrangement position 22.

  In this state, at the first interconnector arrangement position 21, as shown in FIG. 13G, the first interconnector 12A in the last row (tenth row) cut to a predetermined length is the same as described above. The solder cream 17 is applied to a part of the first interconnector 12A that is sequentially arranged on the cover glass 15 by one row.

  Moreover, in the solar cell arrangement position 22, the solder cream 17 is applied to the remaining portion except the connecting end portion 12A1 on the first interconnector 12A carried into the same as described above. Thereafter, the solar cells 11 supplied to the predetermined position from the solar cell stocker 43 are adsorbed by the adsorption nozzle 54, and as shown in FIG. 12, three rows in the X direction carried into the solar cell arrangement position 22 are loaded. On the first interconnector 12A, the connecting end portion 12A1 of the first interconnector 12A is sequentially positioned so as to protrude from the rear end portion, and the solder cream 17 is disposed on the back surface side electrode of the solar battery cell 11. Is applied.

  Further, at the second interconnector arrangement position 23, the solder cream 17 is applied to the connection end 12A1 of the first interconnector 12A protruding from the end of the solar battery cell 11 carried into the second interconnector arrangement position 23. Is done. At the same time, the second interconnector 12B pulled out from the first bobbin 55 of the second interconnector supply device 56 and cut to a predetermined length is placed at a predetermined position where it can be sucked by the suction nozzle 68 of the second interconnector mounting robot 59. Supply. When the application of the solder cream 17 to the connecting end 12A1 of the first interconnector 12A is completed, the second interconnector 12B having a predetermined length supplied to a predetermined position is adsorbed by the adsorption nozzle 68, and then adsorbed. The nozzle 68 is turned 90 degrees, the linear direction of the second interconnector 12B is aligned with the X direction, and the two rows of solar cells 11 carried into the second interconnector arrangement position 23 are placed on the second interconnector arrangement position 23 as shown in FIG. Are sequentially arranged (mounted) (see FIG. 13G). Thus, the second interconnector 12B is brought into contact with the solder cream 17 applied on the back surface side electrode of the solar battery cell 11.

  At this time, as shown in FIG. 6, the second interconnector 12 </ b> B is arranged on the solar battery cell 11 in a state in which the connection end part 12 </ b> B <b> 1 protrudes a predetermined amount from the rear end part of the solar battery cell 11. Is done. That is, the second interconnector 12B protrudes from the end of the solar battery cell 11 in the direction opposite to the protruding direction of the first interconnector 12A.

  With the arrangement of the second interconnector 12B on the solar cells 11, the connection end portion 12B1 of the second interconnector 12B is disposed in the solar cell 11 adjacent to the rear side in the X direction. The connecting end 12A1 of the connector 12A is brought into contact with the solder cream 17.

  As shown in FIG. 13G, when the second interconnector 12B is disposed on the solar cells 11 in the foremost row (first row) of the solar cell modules 10, the solar cells 11 are disposed on the foremost solar cells 11. The solder cream 17 is applied to the second interconnector 12B, and the bus bar interconnector 14 is disposed (attached) across the second interconnector 12B adjacent in the Y direction.

  That is, at the second interconnector arrangement position 23, the bus bar interconnector 14 is pulled out in the Y direction from the second bobbin 57 of the bus bar interconnector supply device 58 and cut to a predetermined length. 68 is supplied to a predetermined position where it can be adsorbed. The bus bar interconnector 14 having a predetermined length supplied to the predetermined position is adsorbed by the adsorption nozzle 68 and is transferred to the two solar cells 11 adjacent to each other in the Y direction in the front row, which are carried into the second interconnector arrangement position 23. It arrange | positions so that the arrange | positioned 2nd interconnector 12B may mutually be connected. As a result, the second interconnectors 12B adjacent in the Y direction are brought into contact with each other via the solder cream 17, and the strings 13 adjacent in the Y direction can be reflow soldered as will be described later.

  Specifically, the bus bar interconnector 14 includes, for example, the first row, the second row, the third row, the fourth row,... Of the solar cells 11 arranged in parallel in the Y direction of the foremost row in the X direction. The interconnectors 12 are connected to each other. The bus bar interconnector 14 is, for example, the interconnector 12 of the solar cells 11 in the second row, the third row, the fourth row, the fifth row,... Arranged in the Y direction of the last row in the X direction. They are connected in the same way.

  Thus, every time the conveyor 24 is pitched by three rows of solar cells 11, the first interconnector 12A is disposed on the cover glass 15 and disposed at the first interconnector placement position 21. The solder cream 17 is applied to a predetermined portion on the first interconnector 12A. At the same time, at the solar battery cell arrangement position 22, the solder cream 17 is applied to a predetermined portion on the first interconnector 12A, and the solar battery cell 11 is placed on the first interconnector 12A to which the solder cream 17 is applied. Then, the solder cream 17 is applied on the solar battery cell 11. Furthermore, at the second interconnector arrangement position 23, the solder cream 17 is applied to the connecting end portion 12A of the first interconnector 12A, and the second interconnector 12B is placed on the solar battery cell 11 to which the solder cream 17 is applied. Is placed. As a result, the connecting end 12B1 of the second interconnector 12B is simultaneously brought into contact with the connecting end 12A1 of the first interconnector 12A to which the solder cream 17 is applied.

  When the first interconnector 12A in the last row (10th row) is conveyed to the solar cell arrangement position 22 as shown in FIG. 13H by the pitch feed of the conveyer 24, as described above. In order to manufacture the next solar cell module 10, the next cover glass 15 is transported from the glass stocker 70 for three rows of the solar cells 11 to the first interconnector placement position 21, and the three rows of the cover cells 15 are provided on the cover glass 15. The first interconnector 12A is disposed (see FIG. 13I), and the above-described operation is repeated.

  In this way, an aggregate of X1 photovoltaic cells 11 in the X direction and Y1 in the Y direction is placed on the cover glass 15 and carried out from the second interconnector placement position 23. . The assembly of the solar cells 11 is sent to the reflow furnace 73 via the buffer conveyor 72 and is conveyed through the reflow furnace 73, whereby the solder cream 17 applied to the first interconnector 12 </ b> A and the solar cells 11. Is heated, and the first interconnector 12A and the second interconnector 12B are reflow soldered to both surfaces of the solar battery cell 11, and the connecting end 12A1 of the first interconnector 12A soldered to the solar battery cell 11 The connection end portion 12B1 of the second interconnector 12B soldered to the solar battery cell 11 adjacent thereto is reflow soldered. At the same time, the ends of the Y1 strings 13 constituting the solar cell module 10 are reflow-soldered, and all X1 × Y1 solar cells 11 are electrically connected in series.

  The aggregate of solar cells 11 reflow-soldered by the reflow furnace 73 is then transferred to a cleaning step 74, where the aggregate of solar cells 11 is lifted from the cover glass 15 to cover the cover. The glass 15 is cleaned. Then, after the EVA film is placed on the cleaned cover glass 15, the aggregate of the solar battery cells 11 is unloaded from the cleaning process 73 for each cover glass 15.

  According to the first embodiment described above, the interconnectors 12A and 12B are divided into those that are joined to the light receiving surface side electrode of the solar battery cell 11 and those that are joined to the back surface side electrode. In addition, the first interconnector 12A, the solar battery cell 11 and the second interconnector 12B can be sequentially arranged from one direction (upward direction). As a result, the manufacturing equipment can be simplified, and the solar cell module 10 that can be easily assembled can be realized, and the cost of the solar cell module 10 can be reduced.

  Also, the first interconnector 12A and the first surface side electrode of the solar battery cell 11, the second surface electrode of the solar battery cell 11 and the second interconnector 12B, and the end portions of the first and second interconnectors 12A and 12B Since the solder creams 17 are used to join each other, it is not necessary to use expensive interconnectors 12A and 12B coated with solder. From this point also, the cost reduction of the solar cell module 10 can be realized. become.

  Further, after the second interconnector arranging step 23, the first interconnector 12A and the first surface side electrode of the solar battery cell 11, the second surface side electrode of the solar battery cell 11 and the second interconnector 12B, and the first and first interconnectors. Since the end portions of the two interconnectors 12A and 12B are joined together, the solar cells 11 can be uniformly heated by reflow, and cracking and warping of the solar cells 11 can be suppressed. In addition, since the arrangement process and the soldering process are divided, the cycle time can be shortened, and the solar cell module 10 can be efficiently manufactured.

  Moreover, according to the first embodiment, after the first interconnector arranging step 21, the solder cream 17 is applied on the first interconnector 12A, and after the solar cell arranging step 22, the second of the solar cells 11 is applied. Since the solder cream 17 is applied to the surface-side electrode and the protruding connection end 12A1 of the first interconnector 12A, it is possible to contribute to equalization of work time in each process.

  Further, in the first interconnector arranging step 21, the first interconnector 12A is arranged on the cover glass 15 conveyed by the conveyer 24, so that the conveying pallet is compared with that arranged on the conveying pallet or the like. It is possible to eliminate the need for equipment for returning the solar cell module 10 and to manufacture the solar cell module 10 with inexpensive manufacturing equipment.

  FIG. 14 shows a second embodiment of the present invention. In the first embodiment described above, a first interconnector arranging step 21, a solar cell arranging step 22 and Although the second interconnector arranging step 23 is arranged side by side, in the second embodiment, the first interconnector arranging step 21, the solar cell arranging step 22, and the second interconnector arranging step 23 are performed in a common stage. The points arranged in are different.

  That is, in the second embodiment, as shown in FIG. 14, a single mounting device (mounting robot) 104 having a nozzle head 102 and a dispenser 103 is placed in a common stage 101 as X, Y, It is provided with an interconnector supply device 105 that supplies the interconnector 12 (12A, 12B) and a solar cell supply device 106 that supplies the solar cells 11 while being provided so as to be movable in the Z-axis direction.

  In the second embodiment, every time the conveyor 24 is pitched, the interconnector 12 (first interconnector 12A) is adsorbed by the adsorbing nozzle 107 supported by the nozzle head 102 and the cover glass 15 is absorbed. The solder cream is applied to all necessary positions of the first interconnector 12A by the dispenser 103. Next, the solar battery cell 11 is sucked by the common suction nozzle 107 and disposed on the first interconnector 12 </ b> A, and solder cream is applied on the solar battery cell 11 by the dispenser 103. Finally, the solar cell module 10 can be manufactured by adsorbing the interconnector 12 (second interconnector 12B) by the common suction nozzle 107 and placing it on the solar battery cell 11.

  In this case, the suction nozzle 104 supported by the nozzle head 101 can be exchanged between when the interconnector 12 (12A, 12B) is sucked and when the solar battery cell 11 is sucked. Alternatively, the suction nozzle 104 can be replaced according to the type of the solar battery cell 11.

  Further, as a modification of the second embodiment, the second configuration necessary for configuring the solar cell module 10 on the entire surface of the cover glass 15 with the transport conveyor 24 stopped at a predetermined position without pitch feeding. It is also possible to manufacture the solar cell module 10 by disposing all the 1 interconnectors 12A and then sequentially disposing the solar cells 11 and the second interconnector 12B.

  According to the second embodiment, the cycle time for manufacturing the solar cell module 10 is increased as compared with that described in the first embodiment. The interconnector 12A, the solar battery cell 11, and the second interconnector 12B can be arranged, and the solar battery module 10 can be manufactured with an inexpensive manufacturing facility.

  FIG. 15 shows the third embodiment of the present invention, and the same first interconnector placement step 21, solar cell placement step 22 and second interconnector placement as described in the first embodiment above. The step 23 is arranged in parallel two by two, and in each of the two sets of first interconnector placement step 21, solar cell placement step 22 and second interconnector placement step 23, the first interconnector 12A and the solar cell 11 and the second interconnector 12B can be performed simultaneously. Since there is no difference from the first embodiment except that two arrangement steps 21, 22, and 22 are arranged, the same components are denoted by the same reference numerals and detailed description thereof is omitted. .

  According to the third embodiment, the production capacity of the solar cell module 10 can be doubled. As described above, in the present invention, it is easy to divide and aggregate processes, and it is possible to construct a line configuration that meets user needs.

  In the above-described embodiment, the first interconnector arrangement step (first interconnector arrangement position) 21, the solar cell arrangement step (solar cell arrangement position) 22, and the second interconnector arrangement step (second interconnector arrangement) The solar cells 11 and the like for three rows can be arranged at each position 23, and between the first interconnector arranging step 21 and the solar cell arranging step 22 and between the solar cell arranging step 22 and the second interconnector arranging step 23. In the dead spaces S1 and S2 between the two, the example in which the solar cells 11 and the like for two rows can be arranged respectively has been described, but such a configuration is merely an example of the present invention. The present invention is not limited to such a configuration. For example, at least one row is included in each of the placement steps 21, 22, and 23. It may be any configuration capable of placing the solar cell cells 11 or the like.

  Moreover, in above-described embodiment, in order to equalize the work time in the 1st interconnector arrangement | positioning process 21, the photovoltaic cell arrangement | positioning process 22, and the 2nd interconnector arrangement | positioning process 23, 1st except connection end part 12A1. The application of the solder cream 17 on the interconnector 12A is shared by the first interconnector arranging step 21 and the solar battery cell arranging step 22, and the solder cream 17 is applied to the connecting end 12A1 of the first interconnector 12A. The example performed in the second interconnector arranging step 23 has been described. For example, the application of the solder cream 17 onto the first interconnector 12A including the connecting end portion 12A1 is all performed in the first interconnector arranging step 21. Or only the application of the solder cream 17 to the connecting end 12A1, solar cell It is also possible to work at location step 22 or the second interconnector disposed step 23.

  In the above-described embodiment, the example in which the first interconnector 12A, the solar battery cell 11, and the second interconnector 12B are sequentially arranged on the cover glass 15 transported by the transport conveyor 24 has been described. On the pallet conveyed by the conveyor 24, the 1st interconnector 12A, the photovoltaic cell 11, and the 2nd interconnector 12B can also be arrange | positioned sequentially. In this case, the arrangement order is reversed, the lower interconnector (12B) is first arranged on the pallet, and then the solar cells 11 are arranged on the lower interconnector with the light receiving surface side electrode facing upward. Finally, the upper interconnector (12A) may be arranged on the light receiving surface side electrode of the solar battery cell 11.

  Furthermore, in the above-described embodiment, in the first interconnector arranging step 21 and the solar battery cell arranging step 22, the solder cream 17 is applied to the first interconnector 12A and the solar battery cell 11, and the second interconnector arranging step. 23, the first interconnector 12A and the solar battery cell 11 and the solar battery cell 11 and the second interconnector 12B are joined together, but without using the solder cream 17, the interconnector 12A, 12B and the solar battery cell 11 can be joined by a conductive adhesive such as silver paste, and the first interconnector 12A and the solar battery cell 11, and the solar battery cell 11 and the second interconnector 12B are positioned. It is also possible to join together while matching.

  In addition, the solar cell module 10 of this invention is applicable to what is provided with the at least 2 photovoltaic cell 11 in a X direction.

  Thus, the present invention is not limited to the configurations described in the embodiments, and can take various forms without departing from the gist of the present invention described in the claims.

  A method and apparatus for manufacturing a solar cell module and a solar cell module according to the present invention are suitable for use in a solar cell module in which a plurality of solar cells arranged vertically and horizontally are electrically joined using an interconnector. Yes.

  DESCRIPTION OF SYMBOLS 10 ... Solar cell module, 11 ... Solar cell, 12A ... 1st interconnector, 12B ... 2nd interconnector, 12A1, 12B1 ... Connection end, 15 ... Cover glass, 17 ... Solder cream, 21 ... 1st interconnector Arrangement step, 22 ... Solar cell arrangement step, 23 ... Second interconnector arrangement step, 24 ... Conveyor, 32, 56 ... Interconnector supply device, 44 ... Solar cell supply device, 33 ... First interconnector mounting device 39, 51, 65, 101 ... Nozzle head, 40, 52, 66, 102 ... Dispenser, 42, 54, 68, 104 ... Adsorption nozzle, 45 ... Solar cell mounting device, 59 ... Second interconnector mounting device, 103. Mounting device.

Claims (9)

A method of manufacturing a solar cell module comprising at least two solar cells adjacent in the X direction and electrically connecting these solar cells via a first interconnector and a second interconnector,
A first interconnector arranging step of arranging at least two of the first interconnectors with an interval in the X direction;
The solar cell is arranged in such a manner that the first surface side electrodes of the solar cells are aligned with each other on the first interconnector, and each connection end of the first interconnector protrudes from one end of the solar cell. Battery cell placement step;
The second interconnector is positioned on the second surface side electrode of the solar battery cell, and the connecting end of the second interconnector protrudes from the other end of the solar battery cell and is adjacent to the second interconnector. A second interconnector arranging step of arranging the first interconnector in a state of being aligned with the connecting end portions protruding from one end portion of the solar battery cell;
The manufacturing method of the solar cell module which has.   After the second interconnector placement step, the first interconnector and the first surface side electrode of the solar cell, the second surface side electrode of the solar cell and the second interconnector, and the first and second The method for manufacturing a solar cell module according to claim 1, further comprising a joining step of joining the end portions of the interconnector together.   The method for manufacturing a solar cell module according to claim 2, wherein the joining step is performed by using a solder cream or a conductive adhesive.   The said 1st interconnector is arrange | positioned on the cover glass conveyed by a conveyance conveyor in the said 1st interconnector arrangement | positioning process, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. Manufacturing method for solar cell module.   In the solar cell arranging step, the solar cells are aligned and joined on the first interconnector, and in the second interconnector arranging step, the second interconnector is aligned on the solar cell. The solar cell module manufacturing method according to claim 1, wherein the end portions of the first and second interconnectors are joined together. An apparatus for manufacturing a solar cell module, comprising at least two solar cells adjacent in the X direction and electrically connecting the solar cells via a first interconnector and a second interconnector,
A first interconnector arranging step, a solar cell arranging step and a second interconnector arranging step are arranged along the conveyor,
A first interconnector supplying device that supplies a first interconnector having a predetermined length to the first interconnector arranging step, and the first interconnector supplied by the first interconnector supplying device is placed on the conveyor. Each of the first interconnector mounting devices to be arranged is provided,
In the solar cell arrangement step, a solar cell supply device that supplies a solar cell in which a first surface side electrode is connected to the first interconnector, and the solar cell supplied by the solar cell supply device A solar cell mounting device is disposed on the first interconnector so that a connecting end of the first interconnector protrudes from one end of the solar cell,
A second interconnector supplying device for supplying a second interconnector having a predetermined length connected to the second surface side electrode of the solar battery cell in the second interconnector arranging step, and the second interconnector supplying device; A second interconnector mounting device is provided for disposing the supplied second interconnector on the solar cell so that the connecting end protrudes from the other end of the solar cell;
The second interconnector mounting device connects the second interconnector to the solar battery cell and simultaneously connects the connecting end of the second interconnector to another solar battery cell adjacent to the solar battery cell. An apparatus for manufacturing a solar cell module, wherein the apparatus is connected to the connecting end of the first interconnector.   After the first interconnector disposing step, a step of applying a solder cream or a conductive adhesive on the first interconnector, and after the solar cell disposing step, the second surface side electrode of the solar cell and the first The method for manufacturing a solar cell module according to claim 6, further comprising: applying a solder cream or a conductive adhesive to the protruding end of one interconnector. A solar cell module comprising a plurality of solar cells arranged adjacent to each other in the XY direction,
A first interconnector having a connecting end projecting from one end of the solar cell and connected to the first surface side electrode of the solar cell; and a second surface side of the solar cell adjacent to the solar cell. And a second interconnector connected to the electrode by projecting a connection end from the other end of the solar cell, and connecting the connection ends of the first and second interconnectors. A featured solar cell module. 9. The solar cell module according to claim 8, wherein each of the connection leading ends of the first and second interconnectors is electrically joined with a solder cream or a conductive adhesive.

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