CN210306347U - Diode welding equipment and series welding machine - Google Patents
Diode welding equipment and series welding machine Download PDFInfo
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- CN210306347U CN210306347U CN201920444317.2U CN201920444317U CN210306347U CN 210306347 U CN210306347 U CN 210306347U CN 201920444317 U CN201920444317 U CN 201920444317U CN 210306347 U CN210306347 U CN 210306347U
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Abstract
The utility model discloses a diode welding equipment and stringer. The diode welding equipment comprises a feeding part, a picking part and a welding part, wherein the feeding part is used for supporting the material belt; the picking part comprises a first support and a suction nozzle, and the first support is provided with a first transverse moving unit, a first lifting unit, a supporting table, a rotatable film tape recycling wheel and a rotatable carrier tape steering wheel; the first transverse moving unit drives the suction nozzle to transversely move, the first lifting unit drives the suction nozzle to lift, the support table is located below the suction nozzle, a first pressing plate is connected above the feeding end of the support table, the film tape recycling wheel is located above the first pressing plate, and the carrier tape turning wheel is located on the discharging side of the support table; the driver is connected to the first bracket and drives the material belt of the material supply part to move to the pickup part; the suction nozzle moves the diode on the carrier tape to the welding part, and the welding part welds the diode to the welding tape. The utility model discloses a diode welding equipment can realize the diode and weld the automatic weld in area.
Description
Technical Field
The utility model belongs to the welding equipment field especially relates to a diode welding equipment and stringer.
Background
In photovoltaic systems, hot spots are caused by interconnected (mainly series) cells operating under different conditions or without the same performance, which is essentially due to the mismatch between the cells.
The principle of hot spot generation is as follows: in a series circuit, the cells exhibit inconsistent operating conditions for some reason. These reasons include shading (e.g., shadows from surrounding objects, fallen leaves, bird droppings, etc.) that causes some cells to exhibit different performance from others, or that results from differences in the performance of the cells themselves (e.g., significant defects in the cells).
The detection mechanism shows that the irradiance is more than 800W/m based on a large amount of data accumulation and data investigation2It is acceptable for the temperature difference between the maximum hot spot temperature and the average component temperature to be less than 10 degrees; it is also acceptable if a few components have a temperature difference of more than 10 c, as long as this ratio does not exceed 5%, and the system power output is normal. For example, bird droppings with a diameter of 3-125px are present on the module, dust accumulates at the module edges, slight welding problems, slight defects in the cell plates, glass soiling of the cover plate parts, etc.
The common solution to the hot spot problem is to connect a diode in parallel with the component. Normally, this diode does not affect the normal operation of the component. When the battery in the assembly is shielded, the diode is conducted, so that the shielded battery is prevented from being damaged due to overheating.
Therefore, in the assembly production process, the diode needs to be welded between the battery plates which are connected in series, the traditional welding mode adopts manual welding, the efficiency is slow, and the assembly needs to be moved when the diode is welded, so that the assembly is often damaged, and therefore the problem is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide a welding apparatus, a method of welding a diode by the welding apparatus, and a stringer capable of rapidly welding a diode.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
according to an aspect of the present invention, there is provided a diode welding apparatus, comprising a feeding portion, a picking portion and a welding portion, wherein the feeding portion is used for supporting a material belt, and the feeding portion may include a material tray support and a material tray rotatably mounted on the material tray support; the picking part comprises a first support and a suction nozzle, and the first support is provided with a first transverse moving unit, a first lifting unit, a supporting table, a rotatable film tape recycling wheel and a rotatable carrier tape steering wheel; the first transverse moving unit drives the suction nozzle to transversely move, the first lifting unit drives the suction nozzle to lift, the support table is located below the suction nozzle, a first pressing plate is connected above the feeding end of the support table, the film tape recycling wheel is located above the first pressing plate, and the carrier tape turning wheel is located on the discharging side of the support table; the driver is connected to the first bracket and drives the material belt of the feeding part to move to the picking part; the diode on the material belt is moved to the welding part by the suction nozzle, and the diode is welded on the welding belt by the welding part.
As an embodiment of the present invention, the welding portion includes a second support and a welding head, and the second support is provided with a second traverse unit for driving the welding head to traverse and a second lifting unit for driving the welding head to lift; the suction nozzle moves the diodes on the carrier tape to the welding head.
In one embodiment of the present invention, the welding head is rectangular.
In one embodiment of the present invention, the positioning groove is disposed on the upper surface of the welding head.
If the utility model discloses an embodiment, be equipped with heating rod and thermocouple on the soldered connection, heating rod and thermocouple are located the below of constant head tank.
In one embodiment of the present invention, the driver is connected to the film strip recycling wheel.
As an embodiment of the present invention, the driver includes a first driver and a second driver; a driving wheel is rotatably arranged on the first support and is positioned on the feeding side of the supporting table, a pinch roller is arranged above the driving wheel, and a carrier tape recovery wheel is arranged below the driving wheel; the first driver is connected with the driving wheel, and the second driver is connected with the film strip recycling wheel.
If the utility model discloses an embodiment, the membrane area is retrieved the wheel with be equipped with membrane area buffer memory wheel between the first clamp plate, be equipped with carrier band buffer memory wheel between carrier band directive wheel and the carrier band is retrieved the wheel.
According to an embodiment of the present invention, a guide wheel is disposed between the tray support and the first support, and the guide wheel is connected to the first support; the upper surface of the supporting table is symmetrically provided with two second pressing plates corresponding to the suction nozzle, and the width of a gap between the two second pressing plates is larger than that of the diode and smaller than that of the carrier tape.
The utility model also provides a method for utilize above-mentioned diode welding equipment welding diode, include: conveying a material belt on a material tray to a pickup part, wherein the material belt comprises a carrier belt loaded with a diode and a film belt covering the carrier belt; the material belt passes through a gap between the first pressing plate and the supporting table, the film belt is separated from the carrier belt and then is conveyed upwards to the film belt recovery wheel, and the carrier belt loaded with the diodes is conveyed forwards to the position below the suction nozzle; the suction nozzle descends, the carrier tape adsorbs the diodes from the carrier tape and then is lifted away from the diodes, and the carrier tape separated from the diodes bypasses the carrier tape steering wheel and then is recovered; the suction nozzle absorbed with the diode is transversely moved to the welding head, and the diode is placed on the welding head; and adhering the diode on the welding head to a welding strip, heating the welding head, and welding the diode on the welding strip.
The utility model also provides a series welding machine, which comprises a welding strip cutting device, a diode welding device and a series welding device, wherein the diode welding device is the diode welding device; the welding strip cutting equipment is used for cutting the welding strip welded with the diode through the diode welding equipment into a set length; and the series welding equipment welds the welding strip cut by the welding strip cutting equipment with the battery piece.
According to the above technical scheme, the utility model discloses a diode welding equipment, welding method and stringer's advantage and positive effect lie in:
the utility model discloses in, the automatic transport in diode material area is realized with the cooperation of picking up portion to the feed portion, and the suction nozzle will be transferred to the weld part at the diode on the carrier band, and the welding portion welds diode and weld the area, and improve equipment's degree of automation for the welding speed of diode, reduction in production cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of the diode welding apparatus of the present invention.
Fig. 2 is a schematic structural view of the pickup unit of the present invention.
Fig. 3 is a schematic structural view of the suction nozzle of the present invention.
Fig. 4 is a schematic view of the welding portion structure of the present invention.
Fig. 5 is a schematic diagram of another embodiment of the diode welding apparatus of the present invention.
Fig. 6 is a schematic diagram of series welding the welding strip and the battery according to the present invention.
Wherein the reference numerals are as follows:
100. a feeding section; 101. a tray support; 102. a material tray; 200. a pickup section; 1. a first bracket; 2. a suction nozzle; 3. a first traverse unit; 4. a first lifting unit; 5. a support table; 6. a film tape recovery wheel; 7. carrying a steering wheel; 8. a first pressing plate 9 and a driving wheel; 10. a pinch roller; 11 carrying a recovery wheel; 12. film tape buffer wheel, 13, carrier tape buffer wheel; 14. a film tape steering wheel; 15. a guide wheel 16 and a second pressure plate; 300. welding the part; 301 a second support; 302. welding a head; 303. a second traverse unit; 304. a second lifting unit; 305. positioning a groove; 306. a heating rod; 307. a thermocouple; 401. a first driver; 402. a second driver; 500. a material belt; 501. a film tape; 502. carrying a belt; 601 solder strips, 602, batteries; 603 a diode; 701. a film tape track; 702. and carrying tracks.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
In the following description of various examples of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various example structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "top," "bottom," "front," "back," "side," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., as to the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.
Fig. 1 is a schematic diagram of an embodiment of the diode welding apparatus of the present invention. As shown in fig. 1, the diode soldering apparatus of the present embodiment includes a supply part 100, a pickup part 200, and a soldering part 300. The diode is stored in the material area, and the material area includes membrane area and carrier band, and the diode is placed in the groove of carrier band, and the membrane area tiling plays sealed effect on the carrier band. When the diode is used, the film tape is uncovered, and the diode can be taken out. The diode on the material strip located at the feeding portion 100 is moved to the welding portion 300 through the pick-up portion 200, and the diode is welded on the welding strip through the welding portion 300.
As shown in fig. 1, the feeding portion 100 is used for supporting the material belt, and includes a tray holder 101, and a rotatable tray 102 is mounted on an upper portion of the tray holder 101 through a rotating shaft. The diode-carrying tape is wound around the tray 102.
Fig. 2 is a schematic structural view of the pickup portion of the present invention, and fig. 3 is a schematic structural view of the suction nozzle of the present invention. As shown in fig. 2 and 3, the pickup portion 200 includes a first carriage 1, a suction nozzle 2, a first traverse unit 3, a first elevation unit 4, a support table 5, a film tape recovery wheel 6, a carrier tape turning wheel 7, a first presser plate 8, and the like.
The first holder 1 is a support member of the pickup unit 200 and can support other members. The first traverse unit 3 is connected to the first support 1, and the first traverse unit 3 and the first lifting unit 4 may be cylinders or other power devices. The first lifting unit 4 is connected with the telescopic rod of the first traverse unit 3, and the telescopic rod of the first traverse unit 3 can drive the first lifting unit 4 to move transversely. The suction nozzle 2 is arranged on the telescopic rod of the first lifting unit 4, and the first lifting unit 4 drives the suction nozzle 2 to move up and down when working. The lateral movement and the elevation of the suction nozzle 2 can be realized by the first lateral movement unit 3 and the first elevation unit 4.
The support table 5 is shaped like a rectangular parallelepiped and is located below the suction nozzle 2. When the material belt is drawn to the pickup portion 200, the support table 5 supports the material belt. A first pressing plate 8 is connected above the feeding end of the supporting table 5. A gap is arranged between the first pressing plate 8 and the upper surface of the supporting platform 5, the material belt passes through the gap between the first pressing plate 8 and the supporting platform 5, then the film belt is separated from the carrier belt, and the film belt is pulled upwards.
The film strip recycling wheel 6 is rotatably arranged on the first support 1 through a rotating shaft and is positioned above the first pressing plate 8. The rotation of the film belt recovery wheel 6 can pull the film belt to realize the recovery of the film belt.
The carrier tape separated from the film tape moves forward continuously and moves to the lower part of the suction nozzle 2, and the suction nozzle 2 descends to pick up the diodes on the carrier tape and then ascends. The discharge side of the supporting table 5 is provided with a rotatable carrier tape steering wheel 7, and the carrier tape bypasses the carrier tape steering wheel 7 to change the moving direction and moves downwards to realize the recovery of the carrier tape.
The power for the material belt to be pulled to the pick-up part 200 by the supply part 100 is provided by a driver which is connected to the first bracket 1.
In one embodiment, the drive comprises a first drive 401 and a second drive 402, rotatably provided on the feed side of the support table 5 are a drive wheel 9, a pinch wheel 10 and a carrier tape recovery wheel 11. The horizontal tangent to the top of the drive wheel 9 is flush with the upper surface of the support table 5.
The first driver 401 is connected to the driving wheel 9 and can drive the driving wheel 9 to rotate. The pinch roller 10 is located above the driving wheel 9, and the pinch roller 10 can press the material belt on the driving wheel 9. After the driving wheel 9 and the pressing wheel 10 press the material belt tightly, the rotation of the driving wheel 9 can realize the traction of the material belt.
The carrier tape recovery wheel 11 is positioned below the driving wheel 9, the carrier tape is drawn to the carrier tape recovery wheel 11 after bypassing the carrier tape steering wheel 7, the carrier tape is tightened by the carrier tape recovery wheel 11 and the driving wheel 9, and the carrier tape is recovered by the rotation of the driving wheel 9.
The second driver 402 is connected with the film strip recycling wheel 6 and can drive the film strip recycling wheel 6 to rotate, so that the film strip is recycled. The track of the film tape is 701 and the track of the carrier tape is 702 in fig. 1.
Optionally, a film strip buffering wheel 12 is arranged between the film strip recovering wheel 6 and the first pressing plate 8, and the film strip buffering wheel 12 is used for buffering the film strip. And a carrier tape buffer wheel 13 is arranged between the carrier tape steering wheel 7 and the carrier tape recovery wheel 9, and the carrier tape buffer wheel 13 is used for buffer of the carrier tape. On the moving track of the film belt between the buffer wheel 12 and the first pressing plate 8, a film belt steering wheel 14 can be arranged to change the direction of the upward moving film belt, so that the film belt can be better recovered.
In this embodiment, a guide wheel 15 can be arranged between the tray holder 101 and the first holder 1, and the guide wheel 15 can be rotatably connected to the first holder 1 through a support structure. The axis of the guide wheel 15 is positioned approximately flush with the axis of the pinch wheel 10. The guide wheel 15 is used for guiding the material belt, and plays a role in limiting the material belt, so that the material belt is horizontally pulled to the pickup part 200.
Two second pressing plates 16 are symmetrically arranged at positions (below the suction nozzles 2) of the upper surface of the support table 5 corresponding to the suction nozzles 2. And a gap is formed between the two second pressing plates 16, the gap allows the suction nozzle 2 to pass through, and the width of the gap is larger than that of the diode and smaller than that of the carrier tape. The second presser plate 16 may press the carrier tape without the carrier tape following upward movement when the suction nozzle 2 picks up the diode.
The suction nozzle 2 moves the diode on the carrier tape to the soldering part 300, and the soldering part 300 solders the diode to the solder tape.
Fig. 4 is a schematic view of the welding portion structure of the present invention. As shown in fig. 4, in the present embodiment, the welding part 300 includes a second support 301, a welding head 302, a second traverse unit 303, and a second lifting unit 304. The second bracket 301 supports each component of the welding part 300. Alternatively, the first 1 and second 302 brackets may be made in one piece.
The second traverse unit 303 and the second lifting unit 304 may be air cylinders, the welding head 302 is connected to the telescopic rod of the second traverse unit 303, and the cylinder of the second traverse unit 303 is connected to the telescopic rod of the second lifting unit 304. When the second lifting unit 304 works, the welding head 302 of the second traverse unit 303 is driven to move up and down together. When the second traverse unit 303 is operated, the welding head 302 is driven to traverse.
Optionally, the weld head 302 is approximately rectangular to facilitate machining. The upper surface of the welding head 302 may be provided with a positioning slot 305. The nozzle 2 moves the diode into the positioning slot 305 of the welding head. The second traverse unit 303 drives the welding head 302 to move to the lower part of the welding strip, the second lifting unit 304 drives the welding head 302 to lift, the diode on the welding head 302 is attached to the welding strip, the welding head is heated, and the diode is welded on the welding strip. The bottom surface of the positioning groove 305 is provided with a through hole for facilitating the removal of the diode.
In this embodiment, the welding head 302 is provided with a heating rod 306 and a thermocouple 307, and the heating rod 306 and the thermocouple 307 are located below the positioning groove 305. A hot bar 306 is used for heating of the weld head 302 and a thermocouple 307 is used to detect the temperature of the weld head 302.
In another embodiment, as shown in fig. 5, the driver includes only a second driver 402, which is connected to the film strip recovering wheel 6 and rotates the film strip recovering wheel 6. The film belt is wound by 6 rotations of the film belt recovery wheel, the film belt is pulled to move along with the material belt, and the material belt is also pulled. The rotation of the film belt recovery wheel 6 not only realizes the recovery of the film belt, but also realizes the conveying of the material belt. In this scheme, can omit first driver, pinch roller, carrier band recovery wheel etc. and the structure is simpler. In fig. 5, the track of the film tape is 701, and the track of the carrier tape is 702.
The embodiment of the utility model provides a still provide a method for utilizing above-mentioned diode welding equipment welding diode, include:
1. conveying the material belt on the material tray to a picking part;
2. the material belt passes through a gap between the first pressing plate and the supporting table, the film belt is separated from the carrier belt and then is conveyed upwards to the film belt recovery wheel, and the carrier belt loaded with the diodes is conveyed forwards to the position below the suction nozzle;
3. the suction nozzle descends, the carrier tape absorbs the diodes from the carrier tape and then is lifted away from the diodes, and the carrier tape separated from the diodes bypasses the carrier tape steering wheel and then is recycled;
5. the suction nozzle absorbed with the diode is transversely moved to the welding head, and the diode is placed on the welding head;
6. and (4) adhering the diode on the welding head to the welding strip, heating the welding head, and welding the diode on the welding strip.
If the used equipment is a structure that the driving wheel pulls the material belt, in the step 1, the material belt is pressed on the driving wheel to perform the subsequent steps. If the used equipment is in a structure that the film belt recovery wheel pulls the material belt, in the step 1, the shaft of the film belt recovery wheel rotates to pull the material belt to the picking part.
Fig. 6 is a schematic diagram of series welding the welding strip and the battery according to the present invention. The series welding of the solder ribbon and the battery is performed by a series welder. The embodiment also provides a series welding machine which comprises welding strip cutting equipment, diode welding equipment and series welding equipment. The diode welding equipment is the diode welding equipment. The solder strip cutting device cuts the solder strip welded with the diode to a set length. The welding strip cutting equipment can also play a role in drawing the welding strip, and draws the welding strip 601 to the welding part to be welded with the diode 603. The series welding equipment lays the cut welding strip 601 at a preset position to be overlapped with the battery 602, so that the welding strip 601 is aligned with the main grid line of the battery 602 to be welded.
The welding strip cutting equipment can be provided with a pressing block, the pressing block is arranged corresponding to the welding part of the tube, when the welding part drives the diode to move below the welding strip, the pressing block in the welding strip cutting equipment descends, the pressing block and the welding part form a clamping surface, and the welding strip 601 and the diode 603 are pressed together and then welded.
According to the above technical scheme, the utility model discloses a diode welding equipment, welding method and stringer's advantage and positive effect lie in: the rapid welding of the diode and the welding strip and the battery can be realized, and the production cost is reduced.
It is to be understood by one of ordinary skill in the art that the specific structures and processes shown in the detailed description are exemplary only and not limiting. Moreover, a person skilled in the art can combine the various technical features described above in various possible ways to form new technical solutions, or make other modifications, all of which fall within the scope of the present invention.
Claims (10)
1. A diode welding apparatus, characterized in that the diode welding apparatus comprises a feeding portion, a pickup portion and a welding portion,
the feeding part is used for supporting the material belt;
the picking part comprises a first support and a suction nozzle, and the first support is provided with a first transverse moving unit, a first lifting unit, a supporting table, a rotatable film tape recycling wheel and a rotatable carrier tape steering wheel;
the first transverse moving unit drives the suction nozzle to transversely move, the first lifting unit drives the suction nozzle to lift, the support table is located below the suction nozzle, a first pressing plate is connected above the feeding end of the support table, the film tape recycling wheel is located above the first pressing plate, and the carrier tape turning wheel is located on the discharging side of the support table;
the driver is connected to the first bracket and drives the material belt of the feeding part to move to the picking part;
the diode on the material strap is moved to the welding part by the suction nozzle, and the diode is welded on the welding strap by the welding part.
2. The diode welding device according to claim 1, wherein the welding part comprises a second support and a welding head, and a second traverse unit for driving the welding head to traverse and a second lifting unit for driving the welding head to lift are arranged on the second support; the suction nozzle moves the diodes on the carrier tape to the welding head.
3. The diode soldering apparatus of claim 2, wherein the soldering tip is rectangular.
4. The diode soldering apparatus of claim 2, wherein a positioning groove is provided on an upper surface of the soldering head.
5. The diode soldering apparatus of claim 4, wherein the soldering tip is provided with a heating rod and a thermocouple, the heating rod and the thermocouple being located below the positioning slot.
6. The diode soldering apparatus of claim 1, wherein the driver is coupled to the film strip take-up wheel.
7. The diode soldering apparatus of claim 1, wherein the driver comprises a first driver and a second driver;
a driving wheel is rotatably arranged on the first support and is positioned on the feeding side of the supporting table, a pinch roller is arranged above the driving wheel, and a carrier tape recovery wheel is arranged below the driving wheel;
the first driver is connected with the driving wheel, and the second driver is connected with the film strip recycling wheel.
8. The diode welding apparatus of claim 7, wherein a film tape buffer wheel is disposed between the film tape recycling wheel and the first pressing plate, and a carrier tape buffer wheel is disposed between the carrier tape turning wheel and the carrier tape recycling wheel.
9. The diode welding equipment according to claim 1, wherein the feeding part comprises a tray support and a tray rotatably mounted on the tray support, a guide wheel is arranged between the tray support and the first support, and the guide wheel is connected to the first support;
the upper surface of the supporting table is symmetrically provided with two second pressing plates corresponding to the suction nozzle, and the width of a gap between the two second pressing plates is larger than that of the diode and smaller than that of the carrier tape.
10. A series welding machine is characterized by comprising a welding strip cutting device, a diode welding device and a series welding device,
the diode welding equipment is the diode welding equipment as claimed in any one of claims 1 to 9;
the welding strip cutting equipment is used for cutting the welding strip welded with the diode through the diode welding equipment into a set length;
and the series welding equipment welds the welding strip cut by the welding strip cutting equipment with the battery piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920444317.2U CN210306347U (en) | 2019-04-03 | 2019-04-03 | Diode welding equipment and series welding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920444317.2U CN210306347U (en) | 2019-04-03 | 2019-04-03 | Diode welding equipment and series welding machine |
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| CN210306347U true CN210306347U (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940316A (en) * | 2019-04-03 | 2019-06-28 | 无锡奥特维科技股份有限公司 | Welding diode equipment, welding method and string welding machine |
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2019
- 2019-04-03 CN CN201920444317.2U patent/CN210306347U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940316A (en) * | 2019-04-03 | 2019-06-28 | 无锡奥特维科技股份有限公司 | Welding diode equipment, welding method and string welding machine |
| CN109940316B (en) * | 2019-04-03 | 2024-03-01 | 无锡奥特维科技股份有限公司 | Diode welding equipment, welding method and series welding machine |
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