CN107552989B - Bus bar welding equipment - Google Patents
Bus bar welding equipment Download PDFInfo
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- CN107552989B CN107552989B CN201710939065.6A CN201710939065A CN107552989B CN 107552989 B CN107552989 B CN 107552989B CN 201710939065 A CN201710939065 A CN 201710939065A CN 107552989 B CN107552989 B CN 107552989B
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Abstract
The invention provides bus bar welding equipment which comprises a welding device and a bearing device, wherein the welding device comprises one to three sets of welding devices, the three sets of welding devices respectively correspond to three positions, the first position is the head position of a first battery string group, the second position is the tail position of a second battery string group, and the third position is the position where the tail of the first battery string group is connected with the head of the second battery string group; the bearing device comprises a first bearing surface, a second bearing surface and a third bearing surface, wherein the first bearing surface corresponds to a first position, the second bearing surface corresponds to a second position, the third bearing surface corresponds to a third position, and the first bearing surface, the second bearing surface and the third bearing surface are all used for bearing the bus bar; the welding device is used for welding the bus bar and the welding strips on the battery string. According to the invention, the three-part bus bars of the two battery series groups are welded on one device under the combined action of the welding device and the bearing device, so that the automation level is greatly improved.
Description
Technical Field
The present invention relates generally to an automatic battery production line, and more particularly, to a bus bar welding apparatus.
Background
At present, the demand of batteries is increasing, and in the production process of batteries, a plurality of battery strings need to be connected, namely, every two adjacent battery strings are welded together through a bus bar. However, the existing process of welding and connecting the battery strings through the bus bars needs to be carried out independently and manually, so that the automation rate of battery production is seriously affected, and the efficiency of battery production is greatly reduced. In addition, the process of manual welding or manual carrying is adopted, so that the production efficiency is greatly reduced, the safety problem and the working strength problem are caused, and the overall cost of battery production is objectively increased along with the improvement of labor cost.
Therefore, how to improve the automation level of welding the battery string, thereby improving the production efficiency of the battery, reducing the labor cost and avoiding the occurrence of safety problems is a problem which needs to be solved urgently in the industry.
Disclosure of Invention
It is a primary object of the present invention to overcome at least one of the above-mentioned drawbacks of the prior art and to provide a bus bar welding apparatus with a very high level of automation.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
a bus bar welding apparatus that welds a first battery string group and a second battery string group that meet, each of the first battery string group and the second battery group including two or more parallel battery strings, the bus bar welding apparatus comprising:
the welding devices are one to three sets and respectively correspond to three positions, the first position is the head position of the first battery string group, the second position is the tail position of the second battery string group, and the third position is the position where the tail of the first battery string group is connected with the head of the second battery string group;
the bearing device comprises a first bearing surface, a second bearing surface and a third bearing surface, the first bearing surface corresponds to the first position, the second bearing surface corresponds to the second position, the third bearing surface corresponds to the third position, and the first bearing surface, the second bearing surface and the third bearing surface are all used for bearing the bus bar;
the welding device is used for welding the bus bar and the welding strips on the battery string group.
According to an embodiment of the present invention, the welding device is a set, and is movably disposed corresponding to the three positions.
According to one embodiment of the invention, the welding devices are three sets, and are respectively fixedly or movably arranged corresponding to the three positions.
According to an embodiment of the present invention, the bearing device includes a first bearing mechanism, a second bearing mechanism, and a third bearing mechanism, the first bearing mechanism is provided with the first bearing surface, the second bearing mechanism is provided with the second bearing surface, and the third bearing mechanism is provided with the third bearing surface.
According to an embodiment of the present invention, the first supporting mechanism includes a lifting structure to lift the first supporting surface, and/or the second supporting mechanism includes a lifting structure to lift the second supporting surface.
According to an embodiment of the present invention, the first carrying mechanism includes a left-right fine tuning structure to perform left-right fine tuning on the first carrying surface, and/or the second carrying mechanism includes a left-right fine tuning structure to perform left-right fine tuning on the second carrying surface.
According to an embodiment of the present invention, a conveying structure is disposed on the third bearing mechanism, and the third bearing surface is disposed on the conveying structure.
According to an embodiment of the present invention, the third carrying surface is directly or indirectly provided with a heat insulation bar, and the heat insulation bar pad is disposed below the bus bar.
According to an embodiment of the invention, a pull-out mechanism is connected to the heat insulation strip, which pull-out mechanism is used to pull out the heat insulation strip to lay it on the carrier plate and to pull it back from the carrier plate.
According to an embodiment of the present invention, the bus bar welding apparatus further includes a bus bar taking and feeding device and an opening mechanism, the bus bar taking and feeding device is configured to take and feed the bus bar onto the third carrying surface, and the opening mechanism is configured to open a portion where the two battery strings are connected.
According to the technical scheme, the bus bar welding equipment has the advantages and positive effects that:
according to the invention, the three-part bus bars of the two battery series groups are welded on one device under the combined action of the welding device and the bearing device, the whole process is free of manual intervention, the rhythm of the conveying line is integrated, and the automation level is greatly improved, so that the overall working efficiency of battery production can be greatly improved.
Drawings
Various objects, features and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:
fig. 1 is a schematic structural view of a bus bar welding apparatus of the present invention shown in a first exemplary embodiment.
Fig. 2 is a schematic structural view of the bus bar welding apparatus of the present invention shown in the second exemplary embodiment.
Fig. 3 is a schematic structural view of the bus bar welding apparatus of the present invention shown in the third exemplary embodiment.
Fig. 4 is a schematic view of the operation of the bus bar welding apparatus of the present invention shown in an exemplary embodiment.
Wherein the reference numerals are as follows:
1. 2, 3, bus bar welding equipment; 10. 20, 30, a bracket; 11. 21, 31, a welding device; 111. 211, 311, telescoping structures; 112. 212, 312, a welding head; 213. a traversing structure; 12. 22, 32, a carrying device; 1201. 2201, 3201, a first bearing surface; 1202. 2202, 3202, a second bearing surface; 1203. 2203, 3203, a third bearing surface; 121. 221, 321, a first bearing mechanism; 122. 222, 322, a second bearing mechanism; 123. 223, 323, a third bearing mechanism; 13. 23, 33, a bus bar taking and delivering device; 131. 231, 331, moving structure; 132. 232, 332, a taking and placing structure; 133. 233, 333, a grasping structure; 14. 24, 34, and a battery string group; 141. 241, 341, a first battery string head welding strip; 142. 242, 342, a second battery string tail welding strip; 143. 243, 343, a first battery string tail welding strip; 144. 244, 344, a second battery string head solder strip; 15. 25, 35, bus bars; 36. a heat insulating strip; 361. a pull structure; 18. a lifting mechanism.
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., in accordance with 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 in order to fall within the scope of the invention.
First embodiment
Fig. 1 is a schematic view of the structure of the bus bar welding apparatus of the present invention shown in the first exemplary embodiment.
As shown in fig. 1, the bus bar welding apparatus 1 of this embodiment includes a welding device 11, a carrier device 12, and a bus bar taking and feeding device 13. The welding device 11 is used for welding the bus bar 15 to the battery string 14, the carrying device 12 is used for carrying the battery string 14 and the bus bar 15, and the bus bar taking and sending device 13 is used for taking and sending the bus bar 15.
In this embodiment, the welding devices 11 are three sets, each of which is mounted on the support 10. Each set of welding devices 11 may comprise a telescopic structure 111 and a welding head 112, wherein the telescopic structure 111 may be movably or fixedly mounted on the frame 10, and the other end is mounted with the welding head 112 such that the welding head 112 can move up and down, and the welding head 112 is used for performing a welding action to weld the battery string 14 and the bus bar 15 together. In addition, in other embodiments, the welding device may also have a structure capable of moving back and forth, left and right to adjust the position to align the position to be welded.
In this embodiment, the carrier device 12 includes a first carrier mechanism 121, a second carrier mechanism 122, and a third carrier mechanism 123. In this embodiment, the first supporting mechanism 121 and the second supporting mechanism 122 are respectively located at two sides of the third supporting mechanism 123, and the top portions of the first supporting mechanism 121, the second supporting mechanism 122 and the third supporting mechanism 123 are respectively a first supporting surface 1201, a second supporting surface 1202 and a third supporting surface 1203. In this embodiment, each of the first supporting mechanism 121 and the second supporting mechanism 122 includes a lifting structure and a left-right fine-tuning structure, so as to lift and fine-tune the first supporting surface 1201 and the second supporting surface 1202 left and right, respectively.
In this embodiment, the third supporting mechanism 123 includes a conveying structure (not shown), which may be a conveying belt, a roller, etc., and a supporting plate, such as a glass plate, may be disposed on the conveying structure to facilitate conveying and placing the battery string 14. In this embodiment, the battery strings 14 are two sets, and are connected in series, that is, connected end to end, and the first battery string tail welding strip 143 and the second battery string head welding strip 144 are welded by the bus bar 15, and optionally, an insulating strip is further provided. In addition, the first string head bonding tape 141 is welded to communicate with the circuit through the bus bar 15, and the second string tail bonding tape 142 is welded to communicate with the circuit through the bus bar 15. The welding of the first string head solder strip 141 corresponds to the bus bar 15 on the first carrier 121, and the welding of the second string tail solder strip 142 corresponds to the bus bar 15 on the second carrier 122. The bus bars 15 on the third supporting mechanism 123 correspond to the first cell string tail welding strip 143 and the second cell string head welding strip 144 at the same time, and are welded to the first cell string tail welding strip and the second cell string head welding strip at the same time.
In this embodiment, the bus bar taking and feeding device 13 is selectively used to automatically grip and transfer the bus bar 15 onto the third carrying surface 1203 of the third carrying mechanism 123. In this embodiment, the bus bar taking and feeding device 13 includes a moving structure 131, a taking and placing structure 132, and a grabbing structure 133. The moving structure 131 is used to move the pick-and-place structure 132 and the grabbing structure 133 to correspond to the positions of grabbing and releasing the bus bar 15. The pick-and-place structure 132 may move up and down to contact the grabbing structure 133 with the bus bar 15 or place the bus bar 15 on the third carrying surface 1203. The gripping structure 133 may be a suction cup or a robot to facilitate automatic gripping and releasing of the bus bar 15.
In this embodiment, a lift mechanism 18 may also optionally be used, the lift mechanism 18 being used to lift the portions of the battery string 14 proximate the first battery string tail solder strip 143 and the second battery string head solder strip 144 to facilitate placement of the bus bar 15 thereunder. The opening mechanism 18 may be provided in one set as shown in fig. 1, or may be provided in two sets at the same time, as the case may be. The function of the opening mechanism 18 can be replaced by the bus bar taking and sending device 13, and the structure is the same as the bus bar taking and sending device 13, which is not described herein again.
In this embodiment, a part of the bus bar 15 is placed on the first bearing surface 1201 and the second bearing surface 1202 respectively by manual or mechanical operation, and the part of the bus bar 15 is placed near the bearing device 12. The two battery strings 14 are then placed on the third carrier 123 and adjusted in place. When welding is performed, the bus bar 15 is positioned by adjusting the lifting structure and the left-right fine adjustment structure of the first bearing mechanism 121 and the second bearing mechanism 122. Meanwhile, the tail of the first battery string 14 is lifted by the lifting mechanism 18, the bus bar 15 is placed on the third bearing surface 1203 by the bus bar taking and feeding device 13 and is located below the tail of the first battery string 14, then the head of the second battery string 14 is lifted by the lifting mechanism 18, and the bus bar 15 is moved below the position where the first battery string tail welding strip 143 and the second battery string head welding strip 144 are centered by the bus bar taking and feeding device 13. After the position is determined properly, all the bus bars and the solder strips are soldered by the soldering device 11. In addition, the bus bar 15 may be automatically taken and placed on line, and conveyed to the place through line production, specifically determined according to actual needs.
Second embodiment
Fig. 2 is a schematic structural view of the bus bar welding apparatus of the present invention shown in the second exemplary embodiment.
As shown in fig. 2, the bus bar welding apparatus 2 of this embodiment includes a welding device 21, a carrying device 22, and a bus bar taking and feeding device 23. The structures of the welding device 21, the carrying device 22 and the bus bar taking and feeding device 23 are substantially the same as those of the first embodiment, and the detailed structures are described with reference to the description of the first embodiment and understood with reference to fig. 2, and will not be described herein again.
Compared with the first embodiment, in this embodiment, there is one welding device 21, a traverse structure 213 is added in the welding device 21, the telescopic structure 211 is installed on the support 20 through the traverse structure 213, and the traverse structure 213 can be sequentially moved to three different welding positions according to the welding requirement to weld the welding head 25 and the battery string group 24 respectively.
In addition, in this embodiment, compared with the first embodiment, the bus bar taking and feeding device 23 is used to open the corresponding position of the battery string 24 to place the bus bar 25 at the proper position. Specifically, the taking and placing structure 232 and the grabbing structure 233 are moved by the moving structure 231 to the position above the solder strip 243 corresponding to the tail of the first battery string set, then the taking and placing structure 232 pushes the grabbing structure 233 to fall, the grabbing structure 233 grabs the tail of the first battery string set 24, and then the moving structure 231 moves towards the head of the first battery string set 24, so that the tail of the first battery string set 24 is turned over, and a gap is reserved. The bus bar 25 is placed in the gap by the bus bar taking and feeding device 23 in the above-described manner, the head of the second battery string set 24 is opened again by using the bus bar taking and feeding device 23, the bus bar 25 is moved to the center position by continuing to use the bus bar taking and feeding device 23, and finally the opened portion of the battery string set 24 is reset by using the bus bar taking and feeding device 23.
Third embodiment
Fig. 3 is a schematic structural view of the bus bar welding apparatus of the present invention shown in the third exemplary embodiment.
As shown in fig. 3, the bus bar welding apparatus 3 of this embodiment includes a welding device 31, a carrier device 32, and a bus bar taking and feeding device 33. The structures of the welding device 31, the carrying device 32 and the bus bar taking and feeding device 33 are basically the same as those of the first embodiment and the second embodiment, and the specific structures are described in the first embodiment and the second embodiment and understood with reference to fig. 3, and will not be described herein.
Compared with the first and second embodiments, in this embodiment, the heat insulating bars 36 are additionally provided on the third bearing surface 3203, and the bus bars 35 are provided on the heat insulating bars 36, so that the influence of the welding device 31 on the third bearing surface 3203 during welding is reduced. In addition, the insulating strips 36 may be reused for cost reduction and ease of operation. The heat insulating strip 36 is connected with a drawing structure 361, the heat insulating strip 36 is laid before the bus bar 35 is placed on the third bearing surface 3203, automatic laying is achieved, and when the heat insulating strip 36 needs to be taken back, the drawing structure 361 draws the heat insulating strip 36 back.
In addition, in contrast to the first and second embodiments, the third carrying surface 3203 in this embodiment is formed by the upper surface of the carrying plate, the lower part of which is placed on the transportation structure. The two battery strings 34 are conveniently placed in advance by using the bearing plate, which may be a glass plate or a steel plate. Finally, when the carrier plate is not used, the heat insulating strip 36 may be transferred and placed on the third carrier mechanism 323 by using an automatic grabbing structure. The form of the automatic grabbing structure may refer to the bus bar taking and conveying device 33, and the third bearing mechanism 323 may be a fixed structure or a conveying structure, so as to facilitate the position adjustment of the third bearing surface 3203.
Finally, the bus bar welding equipment provided by the invention is used for welding the first battery string group and the second battery string group which are connected, wherein the first battery string group and the second battery string group respectively comprise more than two parallel battery strings, and the welding comprises a first welding area, a second welding area and a third welding area; in the first welding area, a bus bar is welded to the head welding strip of the first battery string group, in the second welding area, a bus bar is welded to the tail welding strip of the second battery string group, and in the third welding area, the welding strip at the tail of the first battery string group and the head welding strip of the second battery string group are welded to the same bus bar.
Wherein optionally, in the third soldering zone, an insulating tape is arranged on the bus bar.
Fig. 4 is a schematic view of an operation process of the bus bar welding apparatus of the present invention shown in an exemplary embodiment. As shown in fig. 4, in this embodiment, the welding process of the third welding zone is as follows:
1. placing the first battery string set and the second battery string set to a welding position;
2. lifting the tail part of the first battery string group;
3. placing a bus bar to the lower part of the first battery string group;
4. opening the head of the second battery string group;
5. adjusting the bus bar to be below the connecting position of the tail of the first battery string group and the head of the second battery string group;
6. and welding the bus bar with the tail welding strip of the first battery string group and welding the bus bar with the head welding strip of the second battery string group.
In addition, in other embodiments, different processes may be used, and the following description will be provided for different processes.
Wherein the second process comprises the steps of:
1. placing the first battery string group and the second battery string group to a welding position;
2. opening the head of the second battery string group;
3. placing a bus bar to the lower part of the second battery string group;
4. lifting the tail part of the first battery string group;
5. adjusting the bus bar to be below the connecting position of the tail of the first battery string group and the head of the second battery string group;
6. and welding the bus bar with the welding strip at the tail part of the first battery string group and welding the bus bar with the welding strip at the head part of the second battery string group.
The third process comprises the following steps:
1. placing the first battery string set and the second battery string set to a welding position;
2. adjusting the positions of the first battery string group and the second battery string group;
3. lifting the tail part of the first battery string group;
4. placing a bus bar to the lower part of the first battery string group;
5. opening the head of the second battery string group;
6. adjusting the bus bar to be below the connecting position of the tail of the first battery string group and the head of the second battery string group;
7. and welding the bus bar with the tail welding strip of the first battery string group and welding the bus bar with the head welding strip of the second battery string group.
The fourth process comprises the following steps:
1. placing the first battery string set and the second battery string set to a welding position;
2. adjusting the positions of the first battery string group and the second battery string group;
3. opening the head of the second battery string group;
4. placing a bus bar to the lower part of the second battery string group;
5. lifting the tail part of the first battery string group;
6. adjusting the bus bar to be below the connecting position of the tail of the first battery string group and the head of the second battery string group;
7. and welding the bus bar with the welding strip at the tail part of the first battery string group and welding the bus bar with the welding strip at the head part of the second battery string group.
The fifth process includes the steps of:
1. placing the first battery string set and the second battery string set to a welding position;
2. lifting the tail part of the first battery string group;
3. placing a heat insulation strip on the lower part of the first battery string group;
4. placing a busbar on the insulating strip;
5. opening the head of the second battery string group;
6. adjusting the bus bar to be below the connecting position of the tail of the first battery string group and the head of the second battery string group;
7. and welding the bus bar with the welding strip at the tail part of the first battery string group and welding the bus bar with the welding strip at the head part of the second battery string group.
The sixth process includes the steps of:
1. placing the first battery string group and the second battery string group to a welding position;
2. opening the head of the second battery string group;
3. placing a heat insulation strip on the lower part of the second battery string group;
4. placing a busbar on the insulating strip;
5. lifting the tail part of the first battery string group;
6. adjusting the bus bar to be below the connecting position of the tail of the first battery string group and the head of the second battery string group;
7. and welding the bus bar with the welding strip at the tail part of the first battery string group and welding the bus bar with the welding strip at the head part of the second battery string group.
The seventh process includes the steps of:
1. placing the first battery string set and the second battery string set to a welding position;
2. adjusting the positions of the first battery string group and the second battery string group;
3. lifting the tail part of the first battery string group;
4. placing a heat insulation strip on the lower part of the first battery string group;
5. placing a busbar on the insulating strip;
6. opening the head of the second battery string group;
7. adjusting the bus bar to be below the connection position of the tail of the first battery string group and the head of the second battery string group;
8. and welding the bus bar with the welding strip at the tail part of the first battery string group and welding the bus bar with the welding strip at the head part of the second battery string group.
The eighth process includes the steps of:
1. placing the first battery string group and the second battery string group to a welding position;
2. adjusting the positions of the first battery string group and the second battery string group;
3. opening the head of the second battery string group;
4. placing a heat insulation strip on the lower part of the second battery string group;
5. placing a busbar on the insulating strip;
6. lifting the tail part of the first battery string group;
7. adjusting the bus bar to be below the connecting position of the tail of the first battery string group and the head of the second battery string group;
8. and welding the bus bar with the welding strip at the tail part of the first battery string group and welding the bus bar with the welding strip at the head part of the second battery string group.
It should be noted that the different structures of the above embodiments can be combined with each other in a cross-linking manner, and for reasons of space, they are not described herein one by one, but all cross-linking schemes are within the scope of the present invention.
It should be understood by those of ordinary skill in the art that the specific constructions and processes illustrated in the foregoing detailed description are exemplary only, and are not limiting. Furthermore, the various features shown above can be combined in various possible ways to form new solutions, or other modifications, by a person skilled in the art, all falling within the scope of the present invention.
Claims (9)
1. The utility model provides a busbar welding equipment which characterized in that, welds first battery string group and the second battery string group that meets, first battery string group with the second battery string group all includes the parallel battery cluster more than two, busbar welding equipment includes:
the welding devices are one to three sets and respectively correspond to three positions, the first position is the head position of the first battery string group, the second position is the tail position of the second battery string group, and the third position is the position where the tail of the first battery string group is connected with the head of the second battery string group;
the bearing device comprises a first bearing surface, a second bearing surface and a third bearing surface, the first bearing surface corresponds to the first position, the second bearing surface corresponds to the second position, the third bearing surface corresponds to the third position, and the first bearing surface, the second bearing surface and the third bearing surface are all used for bearing the bus bar;
the bus bar taking and delivering device is used for grabbing and delivering the bus bars to the third bearing surface, and the lifting mechanism is used for lifting the connected part of the two battery serial groups;
the welding device is used for welding the bus bar and the welding strips on the battery string group.
2. The bus bar welding apparatus according to claim 1, wherein the welding means is provided in a set movably provided corresponding to the three positions.
3. The bus bar welding apparatus according to claim 1, wherein the welding means are three sets, fixedly or movably provided corresponding to the three positions, respectively.
4. The bus bar welding apparatus according to claim 1, wherein the bearing device includes a first bearing mechanism, a second bearing mechanism, and a third bearing mechanism, the first bearing mechanism is provided with the first bearing surface, the second bearing mechanism is provided with the second bearing surface, and the third bearing mechanism is provided with the third bearing surface.
5. The apparatus of claim 4, wherein the first carrier mechanism includes a lifting mechanism to lift the first carrier surface and/or the second carrier mechanism includes a lifting mechanism to lift the second carrier surface.
6. The bus bar welding apparatus of claim 5, wherein the first bearing mechanism includes a left-right fine adjustment structure to enable left-right fine adjustment of the first bearing surface, and/or the second bearing mechanism includes a left-right fine adjustment structure to enable left-right fine adjustment of the second bearing surface.
7. The bus bar welding apparatus of claim 4, wherein a conveying structure is disposed on the third carrying mechanism, and the conveying structure has the third carrying surface thereon.
8. The bus bar welding apparatus of claim 7, wherein a thermal insulating bar is directly or indirectly disposed on the third carrying surface, and the thermal insulating bar pad is disposed below the bus bar.
9. The bus bar welding apparatus of claim 8, wherein the third bearing surface is formed by an upper surface of a bearing plate, and a drawing structure is connected to the heat insulating strip for drawing the heat insulating strip out to lay on and drawing the heat insulating strip back from the bearing plate.
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| CN107552989B (en) * | 2017-09-30 | 2023-01-20 | 无锡奥特维科技股份有限公司 | Bus bar welding equipment |
| CN110216407B (en) * | 2019-06-13 | 2024-02-13 | 无锡奥特维科技股份有限公司 | Bus bar welding device and welding method |
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| KR20110054505A (en) * | 2009-11-17 | 2011-05-25 | (주)엘지하우시스 | Soldering device for solar cell |
| CN105855658A (en) * | 2016-05-06 | 2016-08-17 | 河北羿珩科技股份有限公司 | Solar confluence strap automatic welding device |
| CN106024989A (en) * | 2016-07-28 | 2016-10-12 | 陈�光 | Photovoltaic module laying convergence and welding all-in-one machine and manufacturing technology thereof |
| CN106206854A (en) * | 2016-08-31 | 2016-12-07 | 无锡奥特维科技股份有限公司 | A kind of busbar welding equipment |
| CN106624482A (en) * | 2016-12-09 | 2017-05-10 | 宁夏小牛自动化设备有限公司 | Series welding equipment for solar cells obtained after being laid in series and in parallel |
| CN106881546A (en) * | 2017-04-15 | 2017-06-23 | 无锡奥特维科技股份有限公司 | A kind of cell piece series welding system |
| CN107199383A (en) * | 2017-07-20 | 2017-09-26 | 常州天合光能有限公司 | A kind of welding method of photovoltaic string welding machine and battery strings |
| CN107552989A (en) * | 2017-09-30 | 2018-01-09 | 无锡奥特维科技股份有限公司 | Busbar welding equipment |
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| CN107552989A (en) | 2018-01-09 |
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