CN212496071U - Battery string welding equipment - Google Patents
Battery string welding equipment Download PDFInfo
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- CN212496071U CN212496071U CN202020544459.9U CN202020544459U CN212496071U CN 212496071 U CN212496071 U CN 212496071U CN 202020544459 U CN202020544459 U CN 202020544459U CN 212496071 U CN212496071 U CN 212496071U
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- 238000003466 welding Methods 0.000 title claims abstract description 138
- 229910000679 solder Inorganic materials 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 34
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 11
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a battery cluster welding equipment, battery cluster welding equipment includes: first cluster handling device, busbar providing device, welding plummer and welding set, wherein: the first string handling device is configured to be capable of handling one battery string at a time, each battery string including a plurality of side-by-side battery strings; the bus bar providing device provides bus bars for the welding bearing platform, the first string conveying device conveys at least two battery strings to the welding bearing platform in sequence, and the bus bars and welding strips at the ends of the battery strings are stacked on the welding bearing platform according to a preset mode; the welding device is configured to weld the bus bar on the weld carrier to the stacked solder strips. The utility model provides a technical scheme can realize the welding of battery cluster and busbar, and production efficiency is high.
Description
Technical Field
The utility model relates to a photovoltaic cell specifically relates to a battery cluster welding equipment from production technical field.
Background
At present, the demand of photovoltaic cell assemblies is increasing, and in the production process of the cell assemblies, a plurality of cell strings need to be connected, namely, every two adjacent cell string groups are welded together through a bus bar.
In the prior art, a string lifting device is generally adopted to lift two adjacent battery strings to be welded with bus bars from a glass plate, and a space for a bearing plate to pass is formed between the battery strings and the glass plate; then the bearing plate bearing the bus bar is conveyed to a welding position below the space between the two groups of battery strings through the space; and finally, overlapping the end welding strips required to be connected of the two groups of battery strings on the bus bar for welding.
Since the bus bar can be placed at the welding position only after the battery string is lifted from the glass plate, the current method for welding the battery string and the bus bar in a stacking manner is low in efficiency, and the production efficiency of the battery assembly is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery cluster welding equipment to stack the problem of welded inefficiency with the busbar among the solution prior art battery cluster.
In order to achieve the above object, the utility model provides a battery cluster welding equipment, battery cluster welding equipment includes: first cluster handling device, busbar providing device, welding plummer and welding set, wherein:
the first string handling device is configured to be capable of handling one battery string at a time, each battery string including a plurality of side-by-side battery strings;
the bus bar providing device provides bus bars for the welding bearing platform, the first string conveying device conveys at least two battery strings to the welding bearing platform in sequence, and the bus bars and welding strips at the ends of the battery strings are stacked on the welding bearing platform according to a preset mode;
the welding device is configured to weld the bus bar on the weld carrier to the stacked solder strips.
Preferably, the battery string welding equipment further comprises a string bearing table and a battery string carrying device, wherein the battery string carrying device carries the battery strings to the string bearing table in sequence and places the battery strings side by side so as to form a battery string group on the string bearing table;
the first string conveying device conveys the battery strings on the string bearing table to the welding bearing table.
Preferably, the battery string group welding equipment further comprises a battery string feeding device and a battery string carrying device;
the battery string feeding device provides battery strings for the battery string bearing device, and the battery string carrying device carries the battery strings on the battery string bearing device to the string bearing platform.
Preferably, a regulating mechanism for regulating the positions of the battery strings is arranged on the string bearing platform;
or the first string conveying device is provided with a regulating mechanism for regulating the positions of the conveyed battery strings of the battery string group;
or, a regulating mechanism for regulating the positions of the battery strings in the battery string group is arranged on the welding bearing table.
Preferably, the bus bar providing device comprises an end bus bar providing device and a bypass bus bar providing device;
the end bus bar providing device provides end bus bars for the welding bearing table, the end bus bars placed on the welding strip bearing table and the end welding strips of the battery string group are stacked and arranged, and the end bus bars are placed along the width direction of the battery strings;
the bypass bus bar providing device provides bypass bus bars for the welding bearing platform, the end portions of the bypass bus bars on the welding strip bearing platform correspond to the end portions of the preset battery strings in the battery string group respectively, and the bypass bus bars are placed along the length direction of the battery strings.
Preferably, the battery string welding equipment further includes a battery string conveying device and a second string conveying device, and the second string conveying device conveys the battery string with the welded bus bar on the welding plummer to the battery string conveying device.
The utility model provides a technical scheme can realize the welding of battery cluster and busbar, and production efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a battery string welding apparatus according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of the battery string welding apparatus provided by the present invention (a battery string feeding device is shown);
FIG. 3 is a schematic structural diagram of a regulating mechanism disposed on a welding carrier.
Description of the reference numerals
1-a battery string carrying device; 2-a battery string handling device; 3-tandem loading table; 4-a first cluster handler; 5-bus bar feeding device; 51-bus bar storage mechanism; 52-bus bar pulling mechanism; 6-welding a bearing table; 61-a battery string carrier; 62-end bus bar carrier; 63-a bypass bus bar carrier; 7-a second string handling device; 8-a tandem conveyor; 9-a first battery string; 10-a second battery string; 11-a first set of busbars; 12-a second set of bus bars; 13-a third set of bus bars; 14-a bypass bus bar; 100-a battery string feeding device; 101-battery string conveying device.
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 examples 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 drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may also be otherwise oriented, such as by rotation through 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.
The utility model provides a battery cluster welding equipment, battery cluster welding equipment includes: first cluster handling device 4, busbar providing device 5, welding plummer 6 and welding set, wherein:
the first string handling device 4 is configured to be able to handle one battery string at a time, each battery string including a plurality of battery strings arranged side by side;
the bus bar supply device 5 supplies bus bars to the welding carrier 6, and the first string conveying device 4 conveys at least two battery strings to the welding carrier 6 in sequence so that the bus bars and the welding strips at the ends of the battery strings are stacked on the welding carrier 6 in a predetermined manner;
the soldering device is arranged to solder the bus bar on the solder bearing table 6 to a stack of solder strips.
In a specific application, in the process of transporting the battery string to the welding carrier 6 by the first string transporting device 4, the bus bar can be supplied to the welding carrier 6 by the bus bar supplying device 5, and the welding device welds the battery assembly after the welding strip at the end of the battery string is overlapped with the bus bar. Adopt the utility model provides a battery cluster welding equipment welding battery cluster production efficiency is high.
The technical solution provided by the present invention is described in detail according to the specific embodiments.
In one embodiment, as shown in fig. 1, the battery string welding apparatus further includes a string bearing platform 3 and a battery string carrying device 2, wherein the battery string carrying device 2 carries each battery string to the string bearing platform 3 in sequence and places the battery strings side by side to form a battery string on the string bearing platform 3; the first string transfer device 4 transfers the battery string on the string mounting base 3 to the welding base 6.
And a regulating mechanism for regulating the positions of the battery strings is arranged on the string bearing platform 6. Carry the battery cluster of the quantity of predetermineeing to cluster group plummer 6 back at battery cluster handling device 2, the regular mechanism on this cluster group plummer 6 can carry out the position to each battery cluster regular for each battery cluster in this battery cluster group is in certain relative position, and like this, first cluster group handling device 4 can carry the battery cluster group of arranging to welding plummer 6.
In another embodiment, the regulating mechanism may be provided on the first string conveying device 4, and when the first string conveying device 4 conveys the battery string, the regulating mechanism may regulate the position of each battery string in the battery string, and then the regulated battery string may be released on the string carrier 6. Specifically, a plurality of adsorption components are arranged on the first string conveying device 4, each adsorption component is used for adsorbing one battery string, and the regulating mechanism can regulate the battery strings by regulating the relative positions or angles of the adsorption components, so that the regulated arrangement of the battery strings in the battery string group is realized.
In another embodiment, the welding carrier 6 is provided with a regulating mechanism for regulating the positions of the battery strings in the battery string set. After the first string handling device 4 places the battery string on the welding bearing table 6, each battery string in the battery string is regularly arranged through the regulating mechanism on the welding bearing table 6. Specifically, as shown in fig. 3, a plurality of battery string support tables 61 are arranged on the welding support table 6, and the regulating mechanism can adjust the position or angle of each battery string regulating table 61, so that the position of each battery string meets the requirement.
In this embodiment, the battery string welding apparatus further includes a battery string feeding device 100 and a battery string carrying device 1. The battery string feeding device 100 provides the battery string to the battery string carrying device 1, and the battery string carrying device 2 carries the battery string on the battery string carrying device 1 to the string group carrying table 3.
Specifically, as shown in fig. 2, the battery string feeding device 100 may be a battery string production device capable of producing a battery string, and the battery string production device includes a battery string conveying mechanism 101, and the produced battery string is conveyed to the battery string carrier 1 by the battery string conveying mechanism 101. The bearing part of the battery string bearing device 1 for bearing the battery string is preferably arranged to be movable or rotatable, so that the bearing part on the battery string bearing device 1 can transfer the received battery string from the first position to the second position. When the battery string carrying device 1 carries a first battery string, a first position of the battery string carrying device 1 corresponds to the battery string conveying mechanism 101 to carry the first battery string conveyed from the battery string conveying mechanism 101, a second position corresponds to the battery string carrying device 2, and when the battery string is transferred from the first position to the second position, the battery string is carried away from the second position by the battery string carrying device 2; or after the battery strings are placed at the first position and the second position of the battery string carrying device 1, the battery string carrying device carries the battery strings at the first position and the second position away at the same time.
In this embodiment, the battery string transportation device may further include a battery string buffer device, where the battery string buffer device is configured to carry the battery string, and if the battery string provided by the battery string supply device is NG or temporarily unable to supply the battery string, the battery string transportation device 2 may transport the battery string from the buffer device for continuous production.
In the present embodiment, the bus bar supply device 5 includes an end bus bar supply device and a bypass bus bar supply device;
the end bus bar providing device provides end bus bars for the welding bearing table 6, the end bus bars placed on the welding strip bearing table 6 and end welding strips of the battery string group are stacked and arranged, and the end bus bars are placed along the width direction of the battery strings;
the bypass bus bar providing device provides bypass bus bars for the welding bearing platform 6, the end portions of the bypass bus bars on the welding strip bearing platform 6 are respectively corresponding to the end portions of the preset battery strings in the battery string group, and the bypass bus bars are placed along the length direction of the battery strings.
The end bus bar supply device and the bypass bus bar supply device may each include a bus bar storage device 51 and a bus bar pulling device 52 (refer to fig. 3), i.e., the end bus bars and the bypass bus bars may respectively pull the solder ribbon from the bus bar storage device 51 by the bus bar pulling device 52 and lay on the solder carrier 6.
Further, as shown in fig. 1 (in conjunction with fig. 3), the battery string set includes a first battery string set 9 and a second battery string set 10 arranged along the length direction of the battery string, and the end bus bar provided by the end bus bar providing device includes a first set of bus bars 11 for being placed at a first end of the first battery string set 9, a second set of bus bars 12 for being placed between a second end of the first battery string set 9 and a first end of the second battery string set 10, and a third set of bus bars 13 for being placed at a second end of the second battery string set 10, wherein the first end of the first battery string set 9 is far away from the second battery string set 10, and the second end of the second battery string set 10 is far away from the first battery string set 9.
The bypass bus bar providing device is used for providing a bypass bus bar 14, and the bypass bus bar 14 is arranged to correspond to a preset battery string and is arranged along the length direction of the battery string.
The specific steps of placing the end bus bar at the position corresponding to the welding strip at the end of the battery string group are as follows:
the first group of bus bars 11 and the second group of bus bars 12 may be first placed on the end bus bar bearing tables 62 of the welding bearing table 6 at both ends of the first battery string group 9, respectively; placing the first battery string group 9, so that the welding strips at two ends of the first battery string group 9 are respectively stacked on the first group of bus bars 11 and the second group of bus bars 12; placing the third group of bus bars 13 on the end bus bar carrier 62 of the welding carrier 6 corresponding to the second end of the second cell string 10; and then, the second battery string group 10 is placed, so that the solder ribbons at the two ends of the second battery string group 10 are respectively stacked on the second group of bus bars 12 and the third group of bus bars 13.
The first group of bus bars 11, the second group of bus bars 12, and the third group of bus bars 13 may be placed on the end welding tape bearing table 62 of the welding bearing table 6 corresponding to the first end of the first battery string group 9, the end welding tape bearing table 62 between the first battery string group 9 and the second battery string group 10, and the end welding tape bearing table 62 at the second end of the second battery string group 10, respectively; and then placing the first battery string group 9 and the second battery string group 10, so that the welding strips at two ends of the first battery string group 9 are respectively stacked on the first group of bus bars 11 and the second group of bus bars 12, and the welding strips at two ends of the second battery string group 10 are respectively stacked on the second group of bus bars 12 and the third group of bus bars 13.
If the number of cell strings in the first cell string group 9 and the second cell string group 10 is an odd number of strings, the bypass bus bar 14 needs to be provided. The bypass bus bar supplying device lays the bypass bus bar 12 on the bypass bus bar carrier table 63 before the first cell string 9 and the second cell string 10 are placed on the welding carrier table 6.
After the end bus bar and the bypass bus bar and the first battery string group 9 and the second battery string group 10 are laid, the end bus bar and the bypass bus bar are welded to the battery string groups through the same welding device; or welding the end bus bar to the battery string group through the end bus bar welding device, and then welding the bypass bus bar through the bypass bus bar welding device;
in addition, the end bus bar and the two battery string groups can be laid and welded, then the bypass bus bar 14 is laid, the battery string groups welded with the end bus bar are stacked on the bypass bus bar 14, and then the bypass bus bar 14 is welded to the battery string groups, namely the laying and welding are carried out in two steps.
In this embodiment, the battery string welding apparatus further includes a battery string conveying device 8 and a second string conveying device 7, and the second string conveying device 7 conveys the battery string with the bus bar welded on the welding bearing table 6 to the battery string conveying device 8.
Wherein, a bearing plate is arranged on the battery string group conveying device 8, and the second string group conveying device 7 conveys the welded battery string group to the bearing plate.
According to the utility model discloses an on the other hand still provides a battery cluster welding method, the method includes:
placing the bus bar at a preset position on the welding bearing table 6;
sequentially transporting at least two battery string groups onto the welding bearing table 6, and stacking the bus bars on the welding bearing table 6 and the welding strips at the end parts of the battery string groups according to a preset mode;
the bus bars on the solder bearing table 6 are soldered to the superimposed solder ribbons.
Before the sequentially transporting the at least two battery strings to the welding plummer 6, the method further comprises:
conveying each battery string to a string bearing table 3, so that each battery string is arranged on the string bearing table 3 side by side to form a battery string group;
the battery string is transported from the string support table 3 to the welding support table 6.
After the transporting the individual battery strings to the string carrier 6, the method further comprises: the positions of the battery strings of the battery string group on the string group bearing platform 6 are regulated through a regulating mechanism arranged on the string group bearing platform 6.
Or,
the from on the cluster plummer 3 with the battery cluster transport to the welding plummer 6 includes: and in the process of carrying the battery string group to the welding bearing table 6 from the string group bearing table 3, regulating the positions of the battery strings of the battery string group. Specifically, a regulating mechanism is provided on a string transporting device for transporting a battery string, and the regulating mechanism can regulate the position of an adsorption part for adsorbing the battery string, thereby regulating the position of the adsorbed battery string.
Or,
after transporting the battery string from the string carrier 3 to the welding carrier 6, the method further comprises: and regulating the positions of the battery strings of the battery string group by a regulating mechanism arranged on the welding bearing table 6.
Wherein the bus bar includes an end bus bar and a bypass bus bar, placing the bus bar at a predetermined position on the welding plummer 6 includes:
placing the end bus bars at positions corresponding to the end welding strips of the battery string group and along the width direction of the battery string;
and respectively arranging the head end and the tail end of the bypass bus bar at positions corresponding to the head end and the tail end welding strips of the preset battery string in the battery string group, and arranging the bypass bus bar along the length direction of the battery string.
In one embodiment, as shown in fig. 1, the battery string includes a first battery string 9 and a second battery string 10, and the end bus bars include a first group bus bar 11 for being placed at a first end of the first battery string 9, a second group bus bar 12 for being placed between a second end of the first battery string 9 and a first end of the second battery string 10, and a third group bus bar 13 for being placed at a second end of the second battery string 10, wherein the first end of the first battery string 9 is far away from the second battery string 10, and the second end of the second battery string 10 is far away from the first battery string 9;
there are two ways to place the end bus bars in positions corresponding to the cell string end weld beads:
the first way comprises the following steps:
s1, placing the first set of bus bars 11 and the second set of bus bars 12 on the solder carrier 6;
s2, stacking the solder strips at the two ends of the first battery string 9 on the first group of bus bars 11 and the second group of bus bars 12 respectively;
s3, placing the third set of bus bars 13 on the welding plummer 6;
s4, stacking the solder strips at the two ends of the second battery string 10 on the second group of bus bars 12 and the third group of bus bars 13 respectively;
wherein, after steps S1 and S2, and before step S3, the first end of the first cell string 9 is welded to the first group bus bar 11; after steps S3 and S4, welding the second end of the first cell string 9 and the first end of the second cell string 10 to the second group of bus bars 12, and welding the second end of the second cell string 10 to the third group of bus bars 13;
the second way comprises the following steps:
t1, placing the first set of busbars 11, the second set of busbars 12 and the third set of busbars 13 on the welding carriage 6;
t2, overlapping the welding strips at the two ends of the first battery string group 9 on the first group of bus bars 11 and the second group of bus bars 12 respectively;
t3, overlapping the solder strips at the two ends of the second battery string 10 on the second group of bus bars 12 and the third group of bus bars 13 respectively.
After steps T1, T2 and T3, the first end of the first cell string 9 is welded to the first group of bus bars 11, the second end of the first cell string 9 and the first end of the second cell string 10 are welded to the second group of bus bars 12, and the second end of the second cell string 10 is welded to the third group of bus bars 13.
If the number of cell strings in the first cell string group 9 and the second cell string group 10 is an odd number of strings, the bypass bus bar 14 needs to be provided. Before the first battery string 9 and the second battery string 10 are placed on the welding carriage 6, the bypass bus bar 14 is laid on the welding carriage 6.
The specific process of soldering the bus bar on the solder bearing table 6 to the stacked solder strips may be:
after the end bus bars and the bypass bus bars as well as the first battery string group 9 and the second battery string group 10 are laid, welding the bus bars to the battery string groups by the same welding device;
or welding the end bus bar to the battery string group through the end bus bar welding device, and then welding the bypass bus bar through the bypass bus bar welding device;
in addition, it can be understood that the end bus bar and the two battery string sets may be laid and welded, and then the bypass bus bar 14 and the battery string set with the end bus bar welded may be laid and welded to the battery string set, that is, the bypass bus bar may be laid and welded in two steps.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (6)
1. A battery string welding apparatus, comprising: first cluster handling device, busbar providing device, welding plummer and welding set, wherein:
the first string handling device is configured to be capable of handling one battery string at a time, each battery string including a plurality of side-by-side battery strings;
the bus bar providing device provides bus bars for the welding bearing platform, the first string conveying device conveys at least two battery strings to the welding bearing platform in sequence, and the bus bars and welding strips at the ends of the battery strings are stacked on the welding bearing platform according to a preset mode;
the welding device is configured to weld the bus bar on the weld carrier to the stacked solder strips.
2. The battery string welding apparatus according to claim 1, further comprising a string carrier and a battery string handling device, the battery string handling device handling each battery string sequentially to the string carrier and side by side to form a battery string on the string carrier;
the first string conveying device conveys the battery strings on the string bearing table to the welding bearing table.
3. The battery string welding device according to claim 2, further comprising a battery string feeding device and a battery string carrying device;
the battery string feeding device provides battery strings for the battery string bearing device, and the battery string carrying device carries the battery strings on the battery string bearing device to the string bearing platform.
4. The battery string welding device according to claim 2, wherein a regulating mechanism for regulating the position of each battery string is arranged on the string bearing table;
or the first string conveying device is provided with a regulating mechanism for regulating the positions of the conveyed battery strings of the battery string group;
or, a regulating mechanism for regulating the positions of the battery strings in the battery string group is arranged on the welding bearing table.
5. The battery string welding apparatus according to claim 1, wherein the bus bar providing device includes an end bus bar providing device and a bypass bus bar providing device;
the end bus bar providing device provides end bus bars for the welding bearing table, the end bus bars placed on the welding strip bearing table and the end welding strips of the battery string group are stacked and arranged, and the end bus bars are placed along the width direction of the battery strings;
the bypass bus bar providing device provides bypass bus bars for the welding bearing platform, the end portions of the bypass bus bars on the welding strip bearing platform correspond to the end portions of the preset battery strings in the battery string group respectively, and the bypass bus bars are placed along the length direction of the battery strings.
6. The battery string welding apparatus according to claim 1, further comprising a battery string conveying device and a second string conveying device, wherein the second string conveying device conveys the battery string with the welded bus bar on the welding carrier onto the battery string conveying device.
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| CN202020544459.9U CN212496071U (en) | 2020-04-14 | 2020-04-14 | Battery string welding equipment |
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| CN202020544459.9U CN212496071U (en) | 2020-04-14 | 2020-04-14 | Battery string welding equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438453A (en) * | 2020-04-14 | 2020-07-24 | 无锡奥特维科技股份有限公司 | Battery string welding equipment and battery string welding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438453A (en) * | 2020-04-14 | 2020-07-24 | 无锡奥特维科技股份有限公司 | Battery string welding equipment and battery string welding method |
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