JPS58141579A - Bonding and sealing device - Google Patents

Abstract

PURPOSE:To shorten working time, and to reduce a defective rate on assembly by each providing a bonding and sealing chamber, in which a preparatory bonding process is executed, and a bonding and sealing chamber, in which adhesive strength is obtained finally, separately. CONSTITUTION:The inside of a preparatory pressure bonding device 17' is partitioned into upper and lower chambers by a diaphragm; the diaphragm drops due to pressure when the pressure in the upper chamber reaches atmospheric pressure, a laminating member 7'' is held down by predetermined distribution of pressure, and the laminating member 7'' is welded and attached. When a laminating member 7' reaches to a position where the member is loaded to the preparatory pressure bonding device 17' by a conveyor 8 after several min passes after the cycle is started, the member 7' is charged by an automatic sequence, and a laminating member 7 is also charged automatically to a preparatory pressure bonding device 17 in succession. A magazine 22' is inserted to the position of 22'' in this pressure bonding device 24, and laminating members 7III, 7IV, 7V inserted into the magazine 22' are welded and attached through the pressurization and heating of the inside of the chamber.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a light-receiving surface material, 1! The present invention relates to an apparatus for assembling solar cells by laminating a resin sheet material, a group of solar cell elements, and a resin notebook material having a moisture barrier function and bonding them under heat.

In general, a solar-type single-chip element has a PN junction formed on a single crystal or polycrystalline silicon substrate, and a P
(1) Although the solar cell is completed by forming an electrode on the N side, since the solar cell is installed outdoors, it is necessary to protect the solar cell element from the outside air. Therefore, the solar cell element is assembled as a module wrapped in a material with excellent weather resistance and then converted into a normal solar cell! Used as a compliment.

The structure of this solar cell module is
As shown in Figure 1. In other words, the light-receiving surface material 1 is selected to protect the solar cell element groups 3 and 3' from external mechanical forces and to have a transparent light transmittance in order to efficiently generate electricity from the solar cells. . Generally, white crow containing low iron content is used.

Further, the solar cell element groups 3.3' are connected in series to each other by ink connectors 5, and together with the ink connectors 5, these element groups 3.3'
' and glued to glass]nl. Furthermore, the polyvinyl butyral is laminated with a protective coating material (4) and bonded (11) as a waterproof barrier.

The main work in assembling a module with such a structure is the process of laminating and bonding the light-receiving surface material, the solar cell element group, the resin notebook material, and the protective sheet material. Insert the parts into the high pressure furnace,
It will be constructed. However, conventional devices have disadvantages such as long working hours, easy breakage because the solar cell element is made of P# material, gas remaining between laminated members tends to form bubbles, and a high assembly failure rate. . SUMMARY OF THE INVENTION An object of the present invention is to eliminate such drawbacks and provide an adhesive sealing device with high productivity.

The present invention is characterized by an apparatus for assembling a thick ls battery module by forming an f* layer of a light receiving surface, a four-layer material, a thick 1 hot water battery element leaf, and a copper fat preservation material and bonding them under heat. The adhesive sealing chamber for performing the preliminary bonding process and the adhesive sealing chamber for final bonding strength are provided separately, so that laminated material can be continuously and automatically supplied to each chamber. This is an adhesive sealing device equipped with a mechanism.

Next, an embodiment according to the present invention will be explained along with the drawings.

FIG. 2 schematically shows a top view of the entire apparatus, FIG. 3 shows a top view taken along the line AA/arrow in FIG. 6, and FIG. 4 shows a top view taken along arrow B. As shown in FIG. 5, the laminated member is fitted into the jig 6. The f* layer members are, from the bottom, glass &1, polyvinyl butyral sheet 2, solar cell elements PF3, 3' to 3n, polyvinyl butyral. These are the sheet 2' and the back material sheet 4. The entire jig of this laminated member (hereinafter referred to as the A-layer member) is shown as 7 to 7V in FIGS. 2, 3, and 4.

Next, to explain the process flow of laminated members, first, the laminated members 7 are loaded on the conveyor 8 from the previous process (not shown) shown in FIG. 2 and positioned at the position 7''. When the door 19'' of the pre-pressing furnace 17'' is the same as the door 19 in FIG.
As shown in FIG.
When the laminated member 7 is moved forward by the feed screw 28 through the head 10' and reaches the position of the head 10' shown in FIG. After the positioning is completed, the head 10' is returned to the position of the head 10'', and at the same time the door 19N of the preliminary crimping device 17# is closed. Next, the preliminary crimping device 17" operates the empty pump 41" (included with the vacuum pump 41), and the exhaust pipe 18" and the exhaust pipe 34" (
The laminated member 7'' is degassed through the exhaust pipe 18 and the exhaust pipe 34 included in the package.
lrr), a heater (not shown) installed in the preliminary crimping device 17' is ignited, and the temperature of the laminated member 7'' rises to about 100°C. At this time, the exhaust pipe 18
“Exhaust air through inside + LL, conversely air outside! 14
people

The inside of the pre-crimping '&@17' is partitioned into a lower chamber by a diaphragm (not shown), so when the upper chamber reaches atmospheric pressure, the diaphragm descends due to the pressure.
A few minutes after this cycle starts, the laminated member 7'' is pressed and laminated with a constant distributed pressure and the member 7'' is bath-bonded.The laminated member 7' is loaded by the conveyor 8 onto the pre-crimped ff1il17'. When the position is reached, the 5-stage is loaded according to the same automatic sequence as described above, and the laminated member 7 is also loaded with the preliminary FF and the laminated member 1.
Automatic loading is performed sequentially in step 7. After the laminated member 7", which was first loaded, has been bathed for several tens of minutes, the heater is turned off (without setting it to 1"), the exhaust from the exhaust W34 is started, air is introduced, and preliminary pressure is established! m1t17” back to the atmosphere.

When the pressure returns to atmospheric pressure, the door 20" will automatically open and the preliminary crimp 1
The head 10'' of 119 is driven by the drive 1 of the motor 11''.
Rotate the sprockets 14", 15' 9 and the feed screw 28#, push out the entire preliminary crimping hole 17" of the wood 11 member with the rod 12", and press the magazine 22 as shown in FIG.
When the pushing into the upper part of the rod is completed, the rod 12"
The motor 11'' is counter-rotated so that the rod 12'' returns to its original position, and the head 10' moves back, and the rod 12'' returns to its original position. In a similar sequence, the child pressure is increased 17.17
' The laminated member 7.7' which has been f#c* is blown out. However, in order to push the parts 17 and 17' into the second and third stages of the magazine 22, the height of the conveyor 22 is adjusted to the third stage.
Lower it to points B and C in the diagram, and adjust the height PA to the middle and lower tiers of the magazine. In this operation, the motor 36 is driven, and the worm and worm wheel 35 rotate a nut (not shown) to screw the screw 3.
8, the height of the lifter 21 is changed by using the sliding portion 7 as the sliding portion. Each product is 11! member 7II',
After loading the 7V into the magazine 22, the second
As shown in the figure, on the roller conveyor 21! 1122', the door 25 of the main crimping device 24 is opened, and the motor 51 is moved as shown in FIG. When the winding is completed by the winding roller 52, the head 41 of the push-out device 42 for the heather crushing device is driven by the motor 43 shown in FIG. The magazine 22' is inserted into the main crimping clamp 24 at the position 22' by moving forward along 48 and 47, and the opening at the tip of the head 41 moves to the position 46'. . Main crimping and clamping 2
4, the head 41 is positioned in the magazine 22''.
backs up and returns to the original position as shown in Figure 2. Here, the door 25 is automatically lowered again, the main crimping clamp 24 is closed, the room is pressurized by a compressor (not shown), and the room is heated by the heater 26. At this time, the temperature distribution in the room is made uniform by the fan motor 49, and maintained at an atmospheric pressure of 1 to 2 atmospheres and a temperature of 185° C. for about 1 hour. After approximately one hour, the inside of the room is returned to atmospheric pressure, the door 25 is opened, and the door is raised to the position 25'. Next, as described above, the head 41 moves forward, and a hook (not shown) provided on a part of the rod 26' attached to the tip of the head hooks the magazine 22'', causing the head 41 to move backward. Return the magazine 22" to the 22' position. Laminated member 7 inserted into magazine 22'
1U, 7F/, and 7V are applied to the baby and taken out by another method. As described above, the empty magazine 22' is
22, and a new laminated member is loaded in the same sequence.

In addition, in order to improve takt time, it is sufficient to increase the number of magazine stages and reduce the number of pre-crimping and clamping machines.
The effect is great because the design can be easily modified to suit large-site production.

[Brief explanation of the drawing]

Figure 1 shows a part of the cross-sectional view of the solar cell module.
2 is a light-receiving surface material, 2 is a botting material (polyvinyl butyral, ethylene vinyl acetate, etc.), 3.3' is a solar cell element, 4 is a backing material (polyvinyl fluoride), and 5 is an interconnector. FIG. 2 shows a top view of the body W according to the embodiment of the present invention, in which 7 to 7111 are laminated members, 8
is a conveyor, 9 is a preliminary crimping device, extrusion and clamping, 10, 10
', 10'' are heads, 11.11', 11' are motors, 12-12' are rods, 13 is a missing number, 14.14'
. 14', 15.15', 15' are sprockets, 16~
16n is a roller, 17~17'' is a pre-pressing device, 18~
18" is an exhaust pipe, 19-19", 20-20" are each door for pre-crimping and clamping, 21 is a roller conveyor, 22.22' is a magazine, 23-23" is a roller, 24 is a main crimping device,
25 is the main crimping and clamping door, 26 is the heater, 28 to 28'
, 55 is a feeder, 43 is a motor, 44 to 45 are sprockets, 47.48 is a sliding part, 41 is a head, 42 is a Honjo 9- Wearing stomach, push-in/drawer device, FIG. A- in the diagram
Showing arrow A, 7 is a laminated member, 9 is a pre-crimping VC extrusion device, 10 is a head, 11 is a motor, 12 is a rod,
14 to 15 are sprockets, 16 is a roller, 17 is a preliminary crimping device, 18.34 is an exhaust pipe, 19.20 is a door, 2
1 is a lifter, 22 is a magazine, 23 is a roller, 27 is a sliding part, 29 is a chain, 35.36 is a worm and a worm wheel, 37.37' is a guide, 38 is a feed screw, 40 is a frame, 39 is a vacuum Each bonder is shown. FIG. 4 is shown along the line BB/arrow in FIG. 7m to 7v indicate laminated members, 22' and 22'' are magazines, 25' is a door for main crimping and clamping, 26 is a heater, 23 is a roller, 35.36
are the worm and worm wheel, 37.37' is the guide bar, 38 is the feed screw, 41 is the head, 42 is the main body of the crimping device, 43 is the motor, 44.45 is the sprocket, 46 is the rod, and 47.48 is the slide. moving parts, 50 is a motor;
Reference numerals 51 and 52 indicate a pulley, 53 a wire, 54 a stand, and 55 a feed screw. Figure 5 shows the details of the product)@10- part, where 1 is a glass plate, 2-2' are polyvinyl butyral, 3-3r' are solar cell elements, 4 is a backing material, and 5-5° is an interface. The connectors and 6 indicate jigs. 11 one b 9

Claims (1)

[Claims] In equipment that assembles solar cell modules by laminating light-receiving surface material, resin material, solar cell element group, and resin protective material and bonding them under heat, there is a bonding sealing chamber where preliminary bonding process is carried out and a final bonding chamber. Adhesive sealing characterized in that the adhesive sealing chambers provided to obtain adhesive strength are provided separately from each other, and a mechanism is provided for continuously and automatically supplying the laminated material to each chamber. Device.