CN220872626U - EL detection device and series welding machine - Google Patents
EL detection device and series welding machine Download PDFInfo
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- CN220872626U CN220872626U CN202322412720.6U CN202322412720U CN220872626U CN 220872626 U CN220872626 U CN 220872626U CN 202322412720 U CN202322412720 U CN 202322412720U CN 220872626 U CN220872626 U CN 220872626U
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- 238000003466 welding Methods 0.000 title claims abstract description 87
- 238000002503 electroluminescence detection Methods 0.000 title claims abstract description 48
- 238000003825 pressing Methods 0.000 claims abstract description 159
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 229910000679 solder Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The application provides an EL detection device and a series welding machine, wherein the EL detection device comprises a power supply, a first resistor box, a second resistor box, a first circuit board, a second circuit board, a first pressing mechanism and a second pressing mechanism, wherein: the first resistor box is connected to the positive electrode of the power supply; the first circuit board is electrically connected with the first resistor box, and a plurality of first conductive blocks are arranged on the first circuit board; the first pressing mechanism is used for pressing the welding strip on the first end part of the battery string to the corresponding first conductive block. The second resistor box is connected to the power supply cathode, and a plurality of second conductive blocks are arranged on the second circuit board; the second pressing mechanism is used for pressing the welding strip on the second end part of the battery string to the corresponding second conductive block. According to the application, each welding strip is independently electrified, so that each welding strip can be ensured to be independently conducted, the problem of blackening of the first and the last battery pieces in the battery string is solved, and the problem of missing detection caused by the false welding of the first and the last battery pieces is avoided.
Description
Technical Field
The application relates to the field of photovoltaic module preparation, in particular to an EL detection device and a series welding machine.
Background
The photovoltaic module is formed by closely packaging a plurality of battery pieces after being connected in series and parallel. In order to ensure the quality of the photovoltaic module, after a plurality of battery pieces are welded in series to form a battery string, an EL detection device is required to perform an electroluminescence test on the battery string to detect whether structural defects exist in the battery string.
The common EL detection device comprises a first electrifying module, a second electrifying module and a power supply, wherein the first electrifying module is firstly utilized to be in integral contact with all end welding strips of a battery piece at the head end of a battery string, the second electrifying module is utilized to be in integral contact with all end welding strips of a battery piece at the tail end of the battery string, then the power supply is utilized to electrify the first electrifying module and the second electrifying module, and image sampling and analysis are carried out on the whole battery string after electrifying. However, when the current EL detection device powers up the battery string, the head-end battery piece and the tail-end battery piece are blackened, and whether the head-end battery piece and the tail-end battery piece have cold joint cannot be detected normally, which needs to be solved.
Disclosure of utility model
In order to solve the above technical problems of the conventional EL detection device when performing EL detection of a battery string, the present application provides an improved EL detection device, which has the following detailed technical scheme:
an EL detection device for EL detection of a battery string, comprising a power supply, a first resistor box, a second resistor box, a first circuit board, a second circuit board, a first pressing mechanism and a second pressing mechanism, wherein:
the first resistor box is connected to the positive electrode of the power supply;
A plurality of first conducting circuits are arranged on the first circuit board, each first conducting circuit is electrically connected with the first resistor box, and the end part of each first conducting circuit is connected with a first conducting block;
The first pressing mechanism comprises a first driving part and a first pressing plate, wherein the first pressing plate is connected to the driving end of the first driving part, and the first driving part is at least used for driving the first pressing plate to lift towards the first circuit board so as to drive the first pressing plate to press the welding strip on the first end part of the battery string to the corresponding first conductive block;
The second resistor box is connected to the negative electrode of the power supply;
a plurality of second conducting circuits are arranged on the second circuit board, each second conducting circuit is electrically connected with the second resistor box, and the end part of each second conducting circuit is connected with a second conducting block;
The second pressing mechanism comprises a second driving part and a second pressing plate, wherein the second pressing plate is connected to the driving end of the second driving part, and the second driving part is at least used for driving the second pressing plate to lift towards the second circuit board so as to drive the second pressing plate to press the welding strip on the second end part of the battery string to the corresponding second conductive block.
According to the application, each welding strip can be independently electrified by arranging the conductive blocks corresponding to the welding strips one by one, so that each welding strip can be ensured to be independently conducted, the problem of blackening of the first and the last battery pieces in the battery string due to imaging is solved, and the problem of missing detection caused by the false welding of the first and the last battery pieces is avoided.
In some embodiments, a plurality of first pressing teeth are arranged on the surface of the first conductive block facing the first pressing plate, and when the first conductive block is pressed with the first pressing plate, the pressing ends of the first pressing teeth are contacted with the corresponding welding strips; the surface of the second conductive block facing the second pressing plate is provided with a plurality of second pressing teeth, and when the second conductive block is pressed with the second pressing plate, the pressing ends of the second pressing teeth are contacted with the corresponding welding strips.
Through set up the pressure tooth on the conducting block, can further promote the contact stability between conducting block and the corresponding welding area, guarantee the effect of electrification.
In some embodiments, the first pressing mechanism further comprises first pressing blocks which are arranged on the first pressing plate and correspond to the first conductive blocks one by one, the second pressing mechanism further comprises second pressing blocks which are arranged on the second pressing plate and correspond to the second conductive blocks one by one, elastic pieces are arranged between the first pressing blocks and the first pressing plate, and the first pressing blocks can move elastically relative to the first pressing plates; the second pressing block can elastically move relative to the second pressing plate.
Each welding strip at the end part of the battery string is ensured to be independently pressed by the corresponding pressing block and the conductive block and is independently electrified. The briquetting is installed on the clamp plate through the elastic component to make each briquetting all can compress tightly the welding strip elasticity to on the conductive block that corresponds, prevent that the conductive block from having the difference in height, perhaps the briquetting has the difference in height, leads to some welding strips not by effective compaction.
In some embodiments, the line length and the line resistance of each first conductive circuit are equal, and the line length and the line resistance of each second conductive circuit are equal.
Ensuring uniformity of the current being applied to each ribbon.
In some embodiments, the resistances of the first resistor box and the second resistor box are each configured to be adjustable, and the resistances of the first resistor box and the second resistor box are each greater than or equal to 7Ω.
The resistances of the first and second resistor boxes are configured to be adjustable, enabling flexible adjustment of the current passed into the battery string to meet EL test requirements.
In some embodiments, the first driving part includes a first connection plate and a first lifting driving module, the first lifting driving module is connected to the first connection plate, the first pressing plate is connected to a driving end of the first lifting driving module, and the first lifting driving module is used for driving the first pressing plate to lift towards the first circuit board; the second driving part comprises a second connecting plate and a second lifting driving module, the second lifting driving module is connected to the second connecting plate, the second pressing plate is connected to the driving end of the second lifting driving module, and the second lifting driving module is used for driving the second pressing plate to lift towards the second circuit board.
By setting the first driving part, lifting driving of the first pressing plate is realized. By setting the second driving part, lifting driving of the second pressing plate is realized.
In some embodiments, the first driving part further comprises a first translation driving module, the first connecting plate is connected to a driving end of the first translation driving module, and the first translation driving module is used for driving the first pressing plate to translate along the length direction of the battery string; the second driving part is also provided with a second translation driving module, the second connecting plate is connected to the driving end of the second translation driving module, and the second translation driving module is used for driving the second pressing plate to translate along the length direction of the battery string.
Through the arrangement of the first translation driving module and the second translation driving module, the first driving part and the second driving part can drive the first pressing plate and the second pressing plate to translate along the length direction of the battery string respectively, and finally, the first pressing plate and the second pressing plate are ensured to press welding strips at corresponding ends of the battery string onto the first circuit board and the second circuit board respectively, so that the compatibility of the battery string with different lengths is realized.
In some embodiments, the first circuit board is fixedly connected to the first connection board via the first connection bracket; the second circuit board is fixedly connected to the second connecting plate through a second connecting bracket.
By the arrangement, on one hand, the structure of the EL detection device is simpler, and on the other hand, the first circuit board is always kept above or below the first pressing plate, and the second circuit board is always kept above or below the second pressing plate.
In some embodiments, the EL detection device further includes a camera, wherein the camera is disposed above or below the area between the first circuit board and the second circuit board for acquiring an image of the battery string in the energized state.
By providing the camera, acquisition of an image of the battery string in the energized state is achieved.
The application also provides a series welding machine, which comprises a welding conveying line, a battery piece laying device, a welding belt laying device, a welding device, a blanking device and an EL detection device, wherein:
The battery piece laying device and the welding strip laying device are configured to lay the battery pieces and the welding strips on a welding conveying line according to a preset string rule, and at least a welding station and a blanking station are arranged on a conveying path of the welding conveying line;
The welding device is arranged above or below the welding station and is configured to weld the welding belt and the battery piece conveyed to the welding station so as to obtain a battery string;
The discharging device is used for picking up the battery strings conveyed to the discharging station and carrying the battery strings to the next station;
The EL detection device is connected to the blanking device and is used for carrying out EL detection on the battery strings in the process that the blanking device conveys the battery strings.
The series welding machine provided by the application realizes automatic series formation of the battery pieces. In particular, by installing the EL detection device on the blanking device, the series welding machine provided by the application realizes the EL detection of the battery strings in the blanking process.
Drawings
FIG. 1 is a schematic diagram of a test process of an EL detection device on a battery string according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a first pressing mechanism and a first circuit board under a first view angle in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a first pressing mechanism and a first circuit board under a second view angle in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a first pressing mechanism and a first circuit board under a third view angle in an embodiment of the present application;
Fig. 5 is a schematic structural diagram of a first pressing mechanism and a first circuit board under a fourth view angle in an embodiment of the present application;
fig. 1 to 5 include:
A power supply 1;
A first resistor box 2;
A second resistor box 3;
The first circuit board 4: a first conductive block 41 and a first pressing tooth 42;
A second circuit board 5;
first hold-down mechanism 6:
The first driving section 61: a first connection plate 611 and a first lifting driving module 612;
first pinch-off plate 62: a first pressing block 621, an elastic member 622;
a second hold-down mechanism 7;
a first connection bracket 8;
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description.
After the battery string is electrified, the head end battery piece and the tail end battery piece are blacked, whether the head end battery piece and the tail end battery piece have cold joint or not cannot be detected normally, and the problem needs to be solved.
In view of this, the present application provides an EL detection device for EL detection of a battery string.
As shown in fig. 1 to 5, the EL detection device in the embodiment of the present application includes a power source 1, a first resistor box 2, a second resistor box 3, a first circuit board 4, a second circuit board 5, a first pressing mechanism 6, and a second pressing mechanism 7, wherein:
The first resistor box 2 is connected to the positive electrode of the power supply 1.
The first circuit board 4 is provided with a plurality of first conducting circuits, each first conducting circuit is electrically connected with the first resistor box 2, and the end part of each first conducting circuit is connected with a first conducting block 41.
The first pressing mechanism 6 includes a first driving portion 61 and a first pressing plate 62, where the first pressing plate 62 is connected to a driving end of the first driving portion 61, and the first driving portion 61 is at least used to drive the first pressing plate 62 to lift toward the first circuit board 4, so as to drive the first pressing plate 62 to press the solder strip on the first end of the battery string 100 onto the corresponding first conductive block 41.
The second resistor box 3 is connected to the negative pole of the power supply 1.
The second circuit board 5 has the same structure as the first circuit board 4, and is provided with a plurality of second conducting circuits, each second conducting circuit is electrically connected with the second resistor box 3, and the end part of each second conducting circuit is connected with a second conducting block.
The second pressing mechanism 7 has the same structure as the first pressing mechanism 6, and comprises a second driving part and a second pressing plate, wherein the second pressing plate is connected to the driving end of the second driving part, and the second driving part is at least used for driving the second pressing plate to lift towards the second circuit board 5 so as to drive the second pressing plate to press the welding strip on the second end part of the battery string 100 onto the corresponding second conductive block.
In the EL detection device according to the embodiment of the present application, the power-on circuit composed of the power supply 1, the first resistor box 2, the second resistor box 3, the first circuit board 4 and the second circuit board 5 is used to power on the welding strips at two ends of the battery string 100, so that the battery string emits light.
An image of the battery string 100 in the energized state is acquired by a camera, and defect detection of the battery string 100 can be performed by analyzing the image.
Particularly, in the EL detection device provided by the embodiment of the application, the first circuit board and the second circuit board are respectively provided with the first conductive block and the second conductive block which are in one-to-one correspondence with the welding strips, so that independent power-on of each welding strip is realized, each welding strip is finally ensured to be independently conducted, the problem of blackening of the first battery piece and the tail battery piece in the battery string due to imaging is solved, and the problem of missing detection caused by the first battery piece and the tail battery piece due to cold welding is avoided.
As shown in fig. 3, optionally, a surface of the first conductive block 41 facing the first pressing plate 62 is provided with a plurality of first pressing teeth 42, and when the first conductive block 41 is pressed against the first pressing plate 62, a pressing end of the first pressing teeth 42 contacts with a corresponding solder strip. And similarly, a plurality of second pressing teeth are arranged on the surface of the second conductive block, which faces the second pressing plate, and when the second conductive block is pressed with the second pressing plate, the pressing ends of the second pressing teeth are contacted with the corresponding welding strips.
By arranging the pressing teeth on the first conductive block 41 and the second conductive block, the contact stability between the first conductive block 41 and the second conductive block and the corresponding welding strip can be further improved, and the electrifying effect of the welding strip is improved.
As shown in fig. 2 to 5, the first pressing mechanism 6 further includes first pressing blocks 621 disposed on the first pressing plate 62 in one-to-one correspondence with the first conductive blocks 41. Similarly, the second pressing mechanism 7 further comprises second pressing blocks which are arranged on the second pressing plate and correspond to the second conductive blocks one by one. So set up for every welding strip on the battery cluster first tip all is independently compressed tightly, goes up by corresponding first briquetting 621 and first electrically conductive piece 41, and every welding strip on the battery cluster second tip then all is independently compressed tightly, goes up by corresponding second briquetting and second electrically conductive piece.
The first pressing block and the second pressing block are both made of insulating materials.
Optionally, elastic elements are disposed between the first pressing block 621 and the first pressing plate 62, and between the second pressing block and the second pressing plate, the first pressing block 621 can elastically move relative to the first pressing plate 62, and the second pressing block can elastically move relative to the second pressing plate. The arrangement is such that the first pressing block 621 and the second pressing block elastically press the corresponding welding strips onto the corresponding first conductive block 41 and the corresponding second conductive block.
Optionally, in order to ensure uniformity of current applied to each solder strip, the line length and the line resistance of each first conductive circuit are equal, and the line length and the line resistance of each second conductive circuit are equal.
Alternatively, the first resistor box 2 and the second resistor box 3 have the same structure, and the resistance values of both are configured to be adjustable. In this manner, flexible regulation of the current being drawn into the battery string 100 may be achieved to meet EL testing requirements for various different models of battery strings.
Optionally, the resistances of the first resistor box 2 and the second resistor box 3 are greater than or equal to 7Ω.
With continued reference to fig. 2 to 5, optionally, the first driving portion 61 includes a first connection plate 611 and a first lifting driving module 612, where the first lifting driving module 612 is connected to the first connection plate 611, the first pressing plate 62 is connected to a driving end of the first lifting driving module 612, and the first lifting driving module 612 is configured to drive the first pressing plate 62 to lift toward the first circuit board 4, so as to drive the first pressing plate 62 to press the solder strip on the first end of the battery string 100 onto the corresponding first conductive block 41.
Similarly, the second driving part comprises a second connecting plate and a second lifting driving module, the second lifting driving module is connected to the second connecting plate, the second pressing plate is connected to the driving end of the second lifting driving module, and the second lifting driving module is used for driving the second pressing plate to lift towards the second circuit board 5, so that the second pressing plate is driven to press the welding strip on the second end part of the battery string 100 to the corresponding second conductive block.
Optionally, the first driving portion 61 further includes a first translation driving module, where the first connection plate 611 is connected to a driving end of the first translation driving module, and the first translation driving module is used to drive the first pressing plate 62 to translate along the length direction of the battery string, so that the first pressing plate 62 moves to the first end of the battery string, so as to press the solder strip on the first end of the battery string onto the first conductive block 41 on the first circuit board 4.
Similarly, the second driving part further comprises a second translational driving module, the second connecting plate is connected to the driving end of the second translational driving module, and the second translational driving module is used for driving the second pressing plate to translate along the length direction of the battery string, so that the second pressing plate moves to the second end of the battery string to press the welding strip on the second end of the battery string to the second conductive block on the second circuit board 5.
By arranging the first translation driving module and the second translation driving module, the welding strips at the corresponding ends of the battery strings can be respectively pressed onto the first circuit board 4 and the second circuit board 5 by the first pressing plate 62 and the second pressing plate, so that the EL detection device can realize compatibility of the battery strings with different lengths.
With continued reference to fig. 2-5, the first circuit board 4 is optionally fixedly connected to the first connection board 611 via the first connection bracket 8. Similarly, the second circuit board is fixedly connected to the second connecting plate through the second connecting bracket. By this arrangement, on the one hand, the structure of the EL detection device of the present application is made more compact, and on the other hand, the first circuit board 4 is kept above or below the first pressing plate 62 all the time, and the second circuit board is kept above or below the second pressing plate all the time.
Of course, the first circuit board 4 and the second circuit board may be mounted on separate mounting brackets.
Optionally, the first circuit board 4 is located above the first pressing plate 62, and when the first pressing plate 62 is lifted to a high position under the driving of the first lifting driving module 612, the solder strip on the first end of the battery string 100 is pressed onto the corresponding first conductive block 41 on the first circuit board 4.
Of course, the first circuit board 4 may be disposed below the first pressing plate 62, in which case, when the first pressing plate 62 is lowered to the low position under the driving of the first lifting driving module 612, the solder strip on the first end of the battery string 100 is pressed onto the corresponding first conductive block 41 on the first circuit board 4.
Optionally, the EL detection device in the embodiment of the present application further includes a camera, wherein the camera is disposed above or below the area between the first circuit board 4 and the second circuit board 5, and the camera is used for acquiring an image of the battery string in the energized state.
The embodiment of the application also provides a series welding machine, which comprises a welding conveying line, a battery piece laying device, a welding strip laying device, a welding device, a blanking device and an EL detection device, wherein: the battery piece laying device and the welding strip laying device are configured to lay the battery pieces and the welding strips on a welding conveying line according to a preset string rule, and at least a welding station and a blanking station are arranged on a conveying path of the welding conveying line; the welding device is arranged above or below the welding station and is configured to weld the welding belt and the battery piece conveyed to the welding station so as to obtain a battery string; the discharging device is used for picking up the battery strings conveyed to the discharging station and carrying the battery strings to the next station; the EL detection device is connected to the blanking device and is used for carrying out EL detection on the battery strings in the process that the blanking device conveys the battery strings.
The series welding machine provided by the embodiment of the application realizes automatic series formation of the battery pieces. Particularly, by installing the EL detection device on the blanking device, the series welding machine provided by the embodiment of the application realizes the EL detection of the battery strings in the blanking process.
Optionally, the blanking device carries qualified battery pieces confirmed by the EL detection to a typesetting station of a subsequent step. And the unqualified battery piece confirmed by the EL detection is conveyed to a battery string repairing station or a recycling station.
The application has been described above in sufficient detail with a certain degree of particularity. It will be appreciated by those of ordinary skill in the art that the descriptions of the embodiments are merely exemplary and that all changes that come within the true spirit and scope of the application are desired to be protected. The scope of the application is indicated by the appended claims rather than by the foregoing description of the embodiments.
Claims (10)
1. An EL detection device for EL detection of a battery string, the EL detection device comprising a power supply, a first resistor box, a second resistor box, a first circuit board, a second circuit board, a first hold-down mechanism and a second hold-down mechanism, wherein:
the first resistor box is connected to the positive electrode of the power supply;
a plurality of first conducting circuits are arranged on the first circuit board, each first conducting circuit is electrically connected with the first resistor box, and the end part of each first conducting circuit is connected with a first conducting block;
The first pressing mechanism comprises a first driving part and a first pressing plate, wherein the first pressing plate is connected to the driving end of the first driving part, and the first driving part is at least used for driving the first pressing plate to lift towards the first circuit board so as to drive the first pressing plate to press the welding strip on the first end part of the battery string to the corresponding first conductive block;
the second resistor box is connected to the negative electrode of the power supply;
a plurality of second conducting circuits are arranged on the second circuit board, each second conducting circuit is electrically connected with the second resistor box, and the end part of each second conducting circuit is connected with a second conducting block;
The second pressing mechanism comprises a second driving part and a second pressing plate, wherein the second pressing plate is connected to the driving end of the second driving part, and the second driving part is at least used for driving the second pressing plate to lift towards the second circuit board so as to drive the second pressing plate to press the welding strip on the second end part of the battery string to the corresponding second conductive block.
2. The EL detection device according to claim 1, wherein:
the surface of the first conductive block facing the first pressing plate is provided with a plurality of first pressing teeth, and when the first conductive block is pressed with the first pressing plate, the pressing ends of the first pressing teeth are contacted with corresponding welding strips;
and a plurality of second pressing teeth are arranged on the surface of the second conductive block, which faces the second pressing plate, and when the second conductive block is pressed with the second pressing plate, the pressing ends of the second pressing teeth are contacted with the corresponding welding strips.
3. The EL device according to claim 1, wherein the first pressing mechanism further includes first pressing blocks disposed on the first pressing plate in one-to-one correspondence with the first conductive blocks, the second pressing mechanism further includes second pressing blocks disposed on the second pressing plate in one-to-one correspondence with the second conductive blocks,
Elastic pieces are arranged between the first pressing block and the first pressing plate, and elastic movement of the first pressing block relative to the first pressing plate is realized; the second pressing block can elastically move relative to the second pressing plate.
4. The EL device as claimed in claim 1, wherein the first conductive circuits have equal line lengths and resistances, and the second conductive circuits have equal line lengths and resistances.
5. The EL detection device as claimed in claim 1, wherein the resistances of the first resistor box and the second resistor box are each configured to be adjustable, and the resistances of the first resistor box and the second resistor box are each greater than or equal to 7Ω.
6. The EL detection device according to claim 1, wherein:
The first driving part comprises a first connecting plate and a first lifting driving module, the first lifting driving module is connected to the first connecting plate, the first pressing plate is connected to the driving end of the first lifting driving module, and the first lifting driving module is used for driving the first pressing plate to lift towards the first circuit board;
The second driving part comprises a second connecting plate and a second lifting driving module, the second lifting driving module is connected to the second connecting plate, the second pressing plate is connected to the driving end of the second lifting driving module, and the second lifting driving module is used for driving the second pressing plate to lift towards the second circuit board.
7. The EL detection device as claimed in claim 6, wherein:
The first driving part further comprises a first translation driving module, the first connecting plate is connected to the driving end of the first translation driving module, and the first translation driving module is used for driving the first pressing plate to translate along the length direction of the battery string;
the second driving part further comprises a second translational driving module, the second connecting plate is connected to the driving end of the second translational driving module, and the second translational driving module is used for driving the second pressing plate to translate along the length direction of the battery string.
8. The EL detection device as claimed in claim 6, wherein the first circuit board is fixedly connected to the first connection board via a first connection bracket;
The second circuit board is fixedly connected to the second connecting plate through a second connecting bracket.
9. The EL detection device according to claim 1, further comprising a camera, wherein the camera is disposed above or below an area between the first circuit board and the second circuit board for acquiring an image of the battery string in an energized state.
10. The utility model provides a series welding machine, its characterized in that, series welding machine includes welding transfer chain, battery piece shop equipment, welding area shop equipment, welding set, unloader and EL detection device, wherein:
The battery piece laying device and the welding belt laying device are configured to lay battery pieces and welding belts on the welding conveying line according to preset string regularity, and at least a welding station and a blanking station are arranged on a conveying path of the welding conveying line;
The welding device is arranged above or below the welding station and is configured to weld the welding strip and the battery piece conveyed to the welding station so as to obtain a battery string;
the discharging device is used for picking up the battery strings conveyed to the discharging station and carrying the battery strings to the next station;
The EL detection device is connected to the blanking device and is used for carrying out EL detection on the battery strings in the process that the blanking device carries the battery strings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322412720.6U CN220872626U (en) | 2023-09-06 | 2023-09-06 | EL detection device and series welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322412720.6U CN220872626U (en) | 2023-09-06 | 2023-09-06 | EL detection device and series welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220872626U true CN220872626U (en) | 2024-04-30 |
Family
ID=90812655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322412720.6U Active CN220872626U (en) | 2023-09-06 | 2023-09-06 | EL detection device and series welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220872626U (en) |
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2023
- 2023-09-06 CN CN202322412720.6U patent/CN220872626U/en active Active
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