TW201119075A - Apparatus for mechanically structuralizing thin-film solar cell module - Google Patents

Abstract

Disclosed is an apparatus for mechanically structuralizing a thin-film solar cell module (2), wherein the thin-film solar cell module (2) consists of a substrate layer and a plurality of functional layers and the overlapped at the upper layer and the lower layer of the function layer, and the structuralization is to place a structural layout in at least one of the functional layers and completely cut it off without damaging the lower layer. The apparatus comprises a workpiece holder (1) to place a thin-film solar cell module (2) on a horizontal surface; a tool holder (3) having a scraper (4) with a peak held on a piston bolt (5) in a non-rotating way in the tool holder (3), wherein the piston bolt (5) can be introduced by vertically moving toward the thin film solar cell module (2) along its longitudinally direction; a pressure generation means for generating predetermined pressure force/each piston bolt (5), in which the pressure generation means connects to the end having no tool of the piston bolt (5) to bring pressure force upon the held scraper (4) along the longitudinal direction of the piston bolt (5); and a moving means to move the workpiece holder (1) along the direction of the disposed structural layout horizontally against the tool holder (3). The above-mentioned pressure generation means is a pressure cylinder (6) which can provide air pressure and has a pressure chamber (7) and a piston component (8) capable of moving inside the pressure chamber (7).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for mechanically constructing a thin-ground solar cell module as disclosed in EP 1 041 648 B1. [Prior Art] A thin-film solar cell module is manufactured by applying a plurality of (generally three) functional layers to a substrate (Substrat, English: (3), which has a carrier layer The function is to remove a part of the material after applying a functional layer, where the material is removed along a parallel path (construction line) by a regular distance. This is called "structurization". The program is used to form individual solar cells and their electrical wiring. There are conventional methods and devices for constructing laser light devices or mechanical tools. To make a module reasonably, the important point is: in the manufacturing cycle The number of constructive procedures made in the process must be carried out quickly and surely. The exact constructive procedure means that one or several layers are completely cut according to the target, and the layer below it (the lower layer) cannot be damaged. 4,502,225 mentions a rating device (Ritzv〇rrichtung, scratching device) in which a mechanically squeezing tool is used with a controlled compression force using a lever provided with a spring. A work object (such as a multi-layer solar module) is used for relative advancement to create a scratch line in individual layers. US 4,5 02,225 is based on a prior art, whereby a thin layer is too 201119075 The individual layers of the battery module are scratched, and the laser is preferably used without using a mechanical tool; because it is difficult to cut the depth and width of the breakage with a mechanical tool. The stenciling device comprises a carrier plate, which is fixed at a hand-controlled or computer-controlled xy buckle on a housing with the workpiece to be scraped. A bearing block is fixed on the carrier plate, and two levers are supported up and down in the bearing block. Each of the utilization-micron screws is maintained at a distance of one distance from the carrier plate. By adjusting the distance, a tensile projectile is used to connect the two integrated rods with each other. The acting elastic force is increased by a speed ratio. (This ~ speed ratio is determined by the length of the lever arm) is transmitted to the engraving tool, and the tooling pressure and force (this force depends on the tilt position of the tool) are pressed to the work object. The device of US 4,502,225 is available. Very sensitively adjusted compression force for summer machinery Scratch. To achieve a certain kind of material, the premise of the depth of material removal is that the workmanship must not wear, so in the case of a strange contact area between the tip and the tool, and there is a strange action of the oppressive force, The factory is working hard (4) on the work, this pressure determines the depth of the crop and the depth of the scraping. Entering the site: τ, 'all kinds of mechanical tools will be subject to wear, so inevitable and used by the work The force of the force is kept constant, and the longer the depth is reduced with the use of (four), the lower the service life of the device is cut by the device of US 4,502 225, (T〇leranz) F^.J 〇* degree pre- 4 Tolerance EP 1 041 648 B1 refers to a device whose jaw-shaped cutting tool. According to the case; ""With the J device, the cutting tool has a

5 S 201119075 The flattened tip of the front has a flat surface due to flattening, acting as a swaying surface for the cutting tool. The cutting tool is guided in such a manner that it slides on the layer of the applied substrate with the sliding surface (this layer is below the desired structural line 'hereinafter referred to as the "lower layer"), wherein the sliding surface I lean on this and the lower layer parallel to it. Here, the longitudinal axis of the cutting tool is perpendicular to the lower layer. By maintaining these conditions, the damage to the lower layers is minimized. As described in Ep' 〇 2 648 B1, the adjustment of the pressing force applied to the cutting tool is not critical. It does not require complicated adjustment and adjustment of the cutting depth of the cutting tool. Conversely, we can adjust the force to a high degree without risk, so that the cutting layer can be cut off. The cutting tool should be elastically pressed against the substrate with its sliding surface. According to one embodiment, the apparatus includes a tool holder in which a plurality of tools are held in each of the piston rod pins in a non-rotatable manner by a guide surface, wherein the piston rod pins are each elastically received in the longitudinal direction. Moving to the work object to guide the tool in order to be able to be affected by the inevitable wear and tear (that is, the work is flat (Abplattung) and thus the contact surface between the tool and the work object is increased] The service life is lengthened, so the case advocates that the compression pressure increases as the area increases (it is related to wear). '俾 often produces the same momentary pressure. To this end, the compression force exerted by the spring must be reformed. - The use of the device according to EP 1 041 648 B1, in which the force exerted by the tool on the work object is generated by the force of the magazine, has various disadvantages which have a negative effect on the quality of the construction line. Among these shortcomings, especially due to the fatigue of the yellow material 6 201119075 and the poor sensitivity, the compression force will change when adjusting the pressing force, because of the strength of the spring and the sensitivity to small changes in force. The requirements are contradictory. SUMMARY OF THE INVENTION The object of the present invention is to provide a device for constructing a thin-film solar cell module, which can be used to apply a long-term constant compressive force to a workpiece, which is pressed. Strength can be fine-tuned. This object is achieved by a device having the features of the scope of the patent application 帛i. Further advantageous features are found in the scope of the patent application. As described above, the apparatus for mechanically constructing a thin-film solar cell module, wherein the thin-layer solar ray a solar cell stack is composed of a substrate layer and a plurality of functional layers, the functional layer is up and down羼 羼 且 and # β 构造 构造 构造 β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β β The device has: Saki / w gossip pool module horizontal release one by one tool: the holder 'has a - tip-to-engraving tool in the tool to maintain the benefit of t can not be rotated in the way - live and the piston rod The pin can be vertically produced along its longitudinal direction. „Industrial double-battery battery module moves in the tool holder; --The factory firmly produces hand a for generating a preset pressure chasing force cup sodium, the pressure Produce means with that. Call the toolless one that connects to hold the engraved tool along the piston rod pin of the two 201119075 @ to apply a pressure of force; and move: means to place the work object holder Horizontal relative movement m, JT relative to the direction of the tool holder along the line of the line * 63⁄4 The pressure generating means for generating a predetermined pressing force is a pneumatic cylinder capable of applying a two-body pressure, which has a pressure chamber and a piston member movable in the force chamber. Controllable and having a control device for controlling the gas device = having a pressure measuring device cooperating with the pressure chamber, and having a force measuring device if the pressure measuring device is not used (or in addition to the force measuring device) Provided in the force flow between the generating-compressing force generating means and the piston rod pin, and connected to the control device, adjusting the gas mountain according to the pressing force acting on the piston rod pin If it is, it is more advantageous to set the device to detect the width of the structuring line and adjust the gas pressure according to the flatness of the tip to determine the width of the structure.) The size of the U flat thousand degrees: As the flatness of the tip increases, the loss of pressure may also increase. The loss is detected directly by a pressure measuring instrument, or indirectly by force measurement, by detecting the width of the construction line and the value of the blessing. can The heavier indirect detection of the difference source is made and compensates for their influence on the construction line. The ball or the piston element can be a cylinder piston or a ball segment 8 201119075 diaphragm. The case where the piece is designed as a ball 'the tool-free end of the ball is firmly or only in contact with the end. The pin can advantageously be connected with the workpiece holder by using the tensioning spring; The weight of the rod pin and the means in which it is attached to it can also be locked on each of the 4 retainers. The measurement of each of the squeegee tools in the vertical direction is described in detail below using the drawings as an example. [Embodiment] The device (four) having the present invention is shown in Fig. 1. The assembly (7) is horizontally placed on the (four) layer of the solar cell mold for a long time, the tool holder (3) [there is a scratch in it (Τ., 1 Μ can not be rotated to maintain a piston rod pin (5) And each piston rod pin (5) has a pneumatic cylinder (6), a piston element (8) whose gas can move in the pressure chamber, which is widely connected with the toolless end of the piston rod pin (5) and has a moving section to The work object holder (1) is relatively horizontally moved relative to the direction of the line of manufacture, and the structure of the training line is maintained so that the tool (4) can be utilized one-at-one (the anti-k force I to one position in the tool holder ( 3) The middle and top field electric (4) group (7) The longitudinal direction of the tool holder (3) causes the 9 g 201119075 thin-layer solar cell module to move in. The home is very clear, if no measures are taken to cause opposition forces, such as In the fifth embodiment, the pressing force is determined not only by the action of the pneumatic cylinder (6) but also by the adjusted gas pressure, but also by the piston rod pin (5) and the engraving tool (4). And the weight of the piston element (8) [the piston element is connected to the piston rod pin (5)] In addition, the device comprises a compressor (9) which is connected to the pneumatic cylinder (6) and a control unit 7〇(10). The device is calibrated to obtain a force-pressure characteristic line. And stored in a storage and connection with the control unit (1〇). Ten counts Π (Π). Thus, when you know the pressure required for the set depth of the scraping, it is in the pressure rainbow (7 The relevant gas pressure is constructed in the middle. For each pressure chamber (7), a pressure measuring instrument (12) should be provided. When there is pressure loss in the pressure chamber (7), the gas pressure is adjusted later, so that the pressing force can be kept constant. If the pressure measuring instrument (12) is not used (or in addition to the pressure measuring instrument (10), the force force measuring device 〇3) can be used to force the flow between the pneumatic cylinder (6) and the movable pin (5). For example, it can be - piezoelectric element soil, j piezoelectric element corresponding to the applied pressure to generate _ voltage, & voltage can be used as an adjustment value to generate pressure in the pressure chamber (7). /, there is wear and tear on the tip of the tool (4) (this is not easy to do in practice) The pressure force of (4) can ensure a constant construction line depth L. The scraping tool (4) has a _ tip, which should be slightly flattened from the front. This level is flat (the flat surface is flat on the tip end and On the thin-layer Taichi module (7), it increases with the use of the scraping tool (4). So - square 10 201119075 surface, to the lining of the line; §: 4 extends over the other side, "to the depth of engraving It is no longer possible to completely extend the layer to be cut. The advantage is also to set up a measuring device to detect the flatness of the structure = the flatness determines the width of the structured line and is wide 5 Perimeter gas pressure. Gas: The pressure of the gas in the cylinder (6) is increased, so that the resulting increase in the degree of smoothing of the tip is caused by the stranger's scratching force, which is also called the plane (four) effect. Make sure the depth of the squat is deep. k kinds of milk! The adjustment of the force is not absolutely necessary for renewing the long service life of the scraping tool (4), but it is advantageous. In the absence of the above-described possible means of adjustment, the device according to the invention is still functional, as long as the degree of deviation from the squeezing force is kept within a predetermined tolerance. For this purpose, the relevant service life can also be known using tests. According to the first embodiment shown in Fig. 1, the piston member (8) of the pneumatic cylinder (6) is a cylinder-shaped piston (8·ΐρ is highly demanded for the maintenance of the size of the cylinder-shaped piston (8丨), so that the manufacturing thereof is complicated. And expensive, because for a device, in the tool holder (3), there are several scraping tools (4), for example 22, each in the live plug pin (5). The above-mentioned point is particularly advantageous because the pneumatic cylinder (6) is fitted with the respective tools. Due to the inevitable friction between the piston wall and the chamber wall and the stick-slip effect (Stick_SHp-Effekt), the hysteresis (HySterese) In other words, the pressure _ power characteristic line of a pneumatic cylinder (6) will have different trends depending on whether the piston moves into the pressure chamber (either or removed from the pressure chamber to change the pressing force. Therefore, the piston element (8) Designed as a cylinder piston (81): although it is a 201119075 possible way, but by no means the most advantageous. A second embodiment differs from the first embodiment in that the piston element (8) is counted as a ball segment (8.2 ), as shown in Figure 2, the ball segment is in the live The opposite end of the workpiece in the rod pin is connected to or connected to the end without the tool. The advantage is that the contact between the wall of the circular segment and the wall of the chamber is reduced to a round line so that the friction seems to be zero, i No remnant situation arises. However, the pressure loss in the pressure chamber (7) is increased compared to the embodiment in which the piston element (8) is designed as a cylinder piston (81). The third embodiment shown in Fig. 3 and the foregoing implementation The difference is in the design of the piston element (8) in the form of a ball (8.3). The ball rests only on the toolless end of the piston rod pin (5). Therefore, it can be constructed in the air flow (it is constructed in the pressure chamber (7)). In the gas pressure generator, the center is automatically aligned. In particular, a ball (8_3) can be mass-produced with a small tolerance (but the ball segment (8.2) can also be used), and thus the device can be manufactured inexpensively. The embodiment shown in Fig. 4 differs from the above embodiment in that the piston element (8) is formed into a diaphragm (8.4). In the design of the piston element (8) according to the above three embodiments, in the piston element ( 8) How many somewhat wide annular gaps are created between the pressure chamber and the pressure chamber. This will always have a leak overflow in the outflow, which makes the gas always be used for supplemental use. 0 Use - diaphragm (8.4) (which is connected to the chamber wall of the pressure chamber) as the piston element (8) 'can make the pressure chamber (7) Absolutely sealed, so that no leakage overflow will flow out. The details of a fifth embodiment are shown in Fig. 5. It is the same as the previous embodiment No. 12 201119075. The piston rod pin (5) utilizes a tension spring. (14) Connected to the tool holder (7). The tension spring (14) is used to pull the scraping tool (4) back when the gas ink force is reduced (due to system failure or at the end of the structuring procedure). The scribing tool can be controlled to be removed and placed on the thin-film solar cell module (2). If there is no tension spring (10), the heavy star that scratches the 〃(4) when it is placed up immediately affects it (it is connected to a piston rod pin (5) and a living element (8)). Since the tension spring (14) is used (it is tensioned so that its elasticity counteracts this gravity), the compression pressure can be adjusted to be smaller than the gravity. Advantageously, a path measuring system (15) is provided for each piston rod pin (5) on the tool holder (3); with which the scraping tool (4) can be placed at various positions of its vertical path of movement Check out. The detected movement path can be used as an adjustment value to adjust the gas pressure later, or only to inform: whether the squeegee tool (4) is in its specific position, so that the squeegee tool (4) can also be detected to be damaged. For all embodiments, the action of the squeegee tool placed on the workpiece is preferably achieved by motor drive. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic diagram of a first embodiment of a device; Figure 2 is a schematic diagram of a pneumatic cylinder having a second embodiment of a device; Figure 3 is a pneumatic cylinder having a BRIEF DESCRIPTION OF THE DRAWINGS FIG. 4 is a schematic diagram of a fourth embodiment of a pneumatic cylinder having a device; 13 g 201119075 FIG. 5 is a detailed view of a fifth embodiment of a device. [Main component symbol description] (1) Work object holder (2) Thin layer solar cell mold (3) Tool holder (4) Scratch tool (5) Piston rod pin (6) Pneumatic cylinder (7) Pressure chamber (8) Piston element (8.1) Cylinder piston (8-2) Ball segment (8.3) Ball (8.4) Diaphragm (9) Compressor (10) Control unit (11) Storage and calculation unit (12) Pressure measuring instrument (14) Tension Spring (15) Path Measurement System 14

Claims (1)

201119075 VII. Patent application scope: 1. A device for mechanically constructing a thin-film solar cell module (2), wherein the thin-layer solar cell module (2) consists of a substrate layer and several a functional layer consisting of a functional layer that overlaps the top and bottom, and the structuring system completes the structural line in at least one functional layer without damaging the layer below it. The device has: a work object a holder (1)' for placing a thin layer of solar cell module (2) horizontally; a tool holder (3) having a sharpening tool (4) having a tip that is not rotatable in the tool holder Keeping on a piston rod pin (5) and the piston rod pin (5) can be guided vertically in the longitudinal direction of the thin solar battery module (2) in the tool holder (3); Generating means for generating a predetermined pressing force / each piston rod pin (5) 'the pressure generating means is connected to the toolless end of the piston rod pin (5) to hold the scraping tool ( 4) applying a pressing force along the longitudinal direction of the piston rod pin (5); and moving the hand #又了, the relative movement of the workpiece holder (1) relative to the tool holder (3) along the direction of the structuring line set by δ 玄, characterized in that: the generation of a predetermined pressing force is generated. The means is a pneumatic cylinder (6) which is capable of applying a gas pressure and has a pressure chamber (7) and a piston member (8) movable in the pressure chamber. 2. The apparatus of claim 1, wherein: the gas pressure is controllable and a control device (1〇) is provided to control the pressure of the gas 15 S 201119075. 3. The device of claim 2, wherein: a pressure measuring device (12) cooperating with the pressure chamber (7) is coupled to the control device (1). ^ μ工4. The device of claim 2, wherein: a force measuring device (丨3) is provided between the generating means for generating a compressive force and the force flow between the piston rod pin (5) And the control device (10) 妾, according to the force of the force acting on the piston rod pin (5) to adjust the gas. ° A patent range of the second device, wherein: live to detect The width of the structuring line is adjusted according to the size of the tip, which determines the degree of structuring. 6. The device of claim 1, wherein: the piston member 1) is a cylinder piston (8.1). 7. The device of claim 1, wherein: the piston element (8) is - the end of the tool. R (8.2), with the piston rod pin (7) 8. As in the device of claim i, the piston element is - /, one end is in contact. </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> 10. For example, the device of claim 1 of the patent application, wherein: 16 201119075 'The piston rod pin (5) is connected to the tool holder (3) by means of a tension spring (14). 11. The device of claim 10, wherein: each of the piston rod pins (5) has a path measuring system on the tool holder (3) for measuring the position of each of the scraping tools (4) in the vertical direction . Eight, the pattern: (such as the next page) 17