Electroluminescence testing device and series welding machine

Abstract

The utility model discloses an electroluminescence testing device and a series welding machine, the electroluminescence testing device comprises a testing assembly, a lifting assembly and a position adjusting assembly, the testing assembly comprises an electrolyte tank, a conductive column and a conductive wire, the conductive column is contacted with electrolyte in the electrolyte tank, the conductive column is connected with the conductive wire, and the position adjusting assembly is connected with the lifting assembly. The lifting assembly drives the testing assembly to lift, and the position adjusting assembly adjusts the transverse and longitudinal positions of the testing assembly. According to the utility model, during an electroluminescence test, the cell string can be wrapped by electrolyte and is completely conductive, the problem of blackening of head and tail cells caused by poor contact of the welding strip is avoided, and the production efficiency of a photovoltaic module is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module production technical field, concretely relates to a electroluminescence testing device and series welding machine. BACKGROUND

[0002] The photovoltaic module is made by the cell string splicing of the cell string tested by the electroluminescence, in order to guarantee the quality of photovoltaic module, after the series welding of multiple cell pieces, the electroluminescence testing device is used to test the electroluminescence of cell string, to detect whether there is structural defect in cell string, and the precision of electroluminescence testing directly influences the quality of photovoltaic module.

[0003] The existing electroluminescence testing device of series welding machine cannot realize the complete conduction of cell string after the power on of cell string, and the problem of black display of the first end cell piece and tail end cell piece caused by poor contact of welding strip is prone to occur, cannot normally detect whether the first end cell piece and tail end cell piece have quality problems, and the production efficiency of photovoltaic module is influenced. UTILITY MODEL CONTENT

[0004] In order to solve at least one problem mentioned in the above background art, the utility model provides an electroluminescence testing device and series welding machine, the cell string can be completely conductive by electrolyte during electroluminescence testing, and the problem of blackening of the first end cell piece and tail end cell piece caused by poor contact of welding strip will not occur, to ensure the production efficiency of photovoltaic module.

[0005] The specific technical scheme provided by the utility model is as follows:

[0006] Firstly, an electroluminescence testing device is provided, which comprises a testing assembly, a lifting assembly and a position adjusting assembly, the testing assembly comprises an electrolyte tank, a conductive column and a conductive wire, the conductive column is in contact with the electrolyte in the electrolyte tank, the conductive column is connected with the conductive wire, the lifting assembly drives the testing assembly to lift, and the position adjusting assembly adjusts the horizontal and vertical positions of the testing assembly.

[0007] Through the above technical scheme, the electroluminescence testing device of the utility model sets the testing assembly, lifting assembly and position adjusting assembly, during testing, the cell string is moved to the electrolyte tank, the testing assembly is lifted by the lifting assembly, and the horizontal and vertical positions of the testing assembly are adjusted by the position adjusting assembly, so that the cell string is moved to the electrolyte tank, the electrolyte in the electrolyte tank completely wraps the cell string, then the conductive column and electrolyte are powered on through the conductive wire, the cell string realizes complete conduction, the problem of blackening of the first end cell piece and tail end cell piece caused by poor contact of the first end welding strip and tail end welding strip will not occur, and the production efficiency of photovoltaic module is ensured.

[0008] As a preferred form of the above solution, the position adjusting assembly comprises a first position adjusting assembly, the first position adjusting assembly comprises a base plate, a connecting block and a fixing piece, the conductive column is connected to the connecting block, the conductive column is fixed with the electrolyte tank, the base plate is provided with an adjusting groove, the connecting block can drive the conductive column and the electrolyte tank to move transversely along the adjusting groove, and the fixing piece fixes the connecting block on the base plate.

[0009] As a preferred form of the above solution, the conductive column is inserted and fixed on the electrolyte tank, the conductive column is inserted on the connecting block, and an elastic buffer is arranged between the electrolyte tank and the connecting block.

[0010] As a preferred form of the above solution, the elastic buffer comprises a buffer spring, the buffer spring is sleeved on the conductive column, and two ends of the buffer spring abut against the electrolyte tank and the connecting block respectively.

[0011] As a preferred form of the above solution, the lifting assembly comprises a lifting rod and a lifting driving piece, the lifting driving piece drives the lifting rod to lift, and the test assembly is arranged on the lifting rod.

[0012] As a preferred form of the above solution, the lifting assembly further comprises a lifting plate and a sleeve, the test assembly is arranged on the lifting plate, the lifting plate is arranged on the lifting rod, the lifting rod is inserted into the sleeve and lifts along the sleeve, the lifting driving piece comprises a mounting plate and a first threaded rod, the mounting plate is fixed on the sleeve, the first threaded rod is screwed on the mounting plate, and one end of the first threaded rod is rotationally connected with the lifting plate.

[0013] As a preferred form of the above solution, the position adjusting assembly further comprises a second position adjusting assembly, the second position adjusting assembly comprises a slide rail, a sliding block and an adjusting driving piece, the length direction of the slide rail is perpendicular to the length direction of the adjusting groove, the lifting assembly is arranged on the sliding block, and the adjusting driving piece drives the sliding block to slide longitudinally along the slide rail.

[0014] As a preferred form of the above solution, the electroluminescent test device further comprises a base, the slide rail is arranged on the base, the adjusting driving piece comprises a second threaded rod and a connecting plate, the connecting plate is fixed on the sliding block, and the second threaded rod is threadedly connected with the connecting plate.

[0015] As a preferred form of the above solution, the base is provided with at least two groups of the test assembly, the lifting assembly, the first position adjusting assembly and the second position adjusting assembly.

[0016] In a second aspect, a string welding machine is provided, which comprises the electroluminescence testing device, a welding device, a discharging device and a battery string grabbing device as described above, the welding device welds the battery piece and the welding strip to obtain the battery string, the discharging device transfers the battery string to the next process, the battery string grabbing device and the electroluminescence testing device are connected to the discharging device, and the battery string grabbing device moves the battery string conveyed on the discharging device into the electrolyte tank of the electroluminescence testing device for electroluminescence testing.

[0017] By the above technical scheme, the string welding machine first welds the battery piece and the welding strip by the welding device to obtain the battery string, then transfers the battery string to the next process of the string welding machine by the discharging device, when discharging, the battery string grabbing device moves the battery string conveyed on the discharging device into the electrolyte tank of the electroluminescence testing device for electroluminescence testing, the testing assembly is lifted by the lifting assembly and the transverse and longitudinal positions of the testing assembly are adjusted by the position adjusting assembly, so as to move the battery string into the electrolyte tank, the electrolyte in the electrolyte tank completely wraps the battery string, then the conductive column and the electrolyte are electrified by the conductive wire, the battery string is completely conductive, and the problem of blackening of the first and last battery pieces caused by poor contact of the first and last welding strips is avoided, and the production efficiency of the photovoltaic module is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 is a structural schematic diagram of the present application;

[0020] Figure 2 is a partial structural schematic diagram of the present application; Figure 1

[0021] Figure 3 is a partial structural schematic diagram of the present application; Figure 2

[0022] Figure 4 is another structural schematic diagram of the present application. DETAILED DESCRIPTION

[0023] ​​In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the present application.

[0024] It should be noted that when an element is described as "fixed" to another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected" to another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", "upper", "lower", "inner", "outer", "bottom", and the like used in the specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0025] Embodiment one

[0026] As shown in Figures 1 to 3 , the present application provides an electroluminescence testing device, which comprises a test assembly 1, a lifting assembly 2 and a position adjusting assembly 3. The test assembly 1 comprises an electrolyte tank 11, a conductive column 12 and a conductive wire 13. The conductive column 12 is in contact with the electrolyte in the electrolyte tank 11. The conductive column 12 is connected to the conductive wire 13. The lifting assembly 2 drives the test assembly 1 to lift. The position adjusting assembly 3 adjusts the lateral and longitudinal positions of the test assembly 1. In this embodiment, the lifting assembly 2 and the position adjusting assembly 3 are both located below the test assembly 1.

[0027] As shown in Figure 2 , Figure 3As shown, the position adjusting assembly 3 comprises a first position adjusting assembly 31, which comprises a bottom plate 311, a connecting block 312 and a fixing member 313, the conductive column 12 is connected to the connecting block 312, the conductive column 12 is fixed with the electrolyte tank 11, the bottom plate 311 is provided with an adjusting groove 314, the connecting block 312 can drive the conductive column 12 and the electrolyte tank 11 to move transversely along the adjusting groove 314, and the fixing member 313 fixes the connecting block 312 on the bottom plate 311. In the embodiment, the connecting block 312 and the conductive column 12 are both provided with a plurality of and one-to-one corresponding, the connecting block 312 is clamped on the bottom plate 311 through the clamping groove 315 thereon, the connecting block 312 is provided with a guide protrusion 316 inserted in the adjusting groove 314, when the connecting block 312 moves transversely on the bottom plate 311, the guide protrusion 316 moves along the adjusting groove 314, the fixing member 313 comprises a locking screw, the locking screw is threadedly connected to the connecting block 312, when the electrolyte tank 11 is adjusted to the transverse position through the connecting block 312, the locking screw is tightened, one end of the locking screw is pressed in the adjusting groove 314 to fix the connecting block 312, the conductive column 12 and the electrolyte tank 11.

[0028] As shown in Figure 3 , the conductive column 12 is inserted and fixed on the electrolyte tank 11, the conductive column 12 is inserted in the connecting block 312, the lower end of the conductive column 12 extends out of the connecting block 312 and is connected to the conductive wire 13, and the electrolyte tank 11 and the connecting block 312 are provided with an elastic buffer member. The elastic buffer member comprises a buffer spring 4, the buffer spring 4 is sleeved on the conductive column 12, and two ends of the buffer spring 4 abut against the electrolyte tank 11 and the connecting block 312 respectively. In the embodiment, the conductive column 12 is welded and fixed on the electrolyte tank 11, the conductive column 12 is welded and sealed with the electrolyte tank 11, and two ends of the buffer spring 4 are connected to the bottom surface of the electrolyte tank 11 and the top surface of the connecting block 312 respectively, when the battery string moves into the electrolyte tank 11, the electrolyte tank 11 moves downward along the conductive column 12, and the elastic buffer member buffers the electrolyte tank 11.

[0029] As shown in Figure 2 , Figure 3As shown, the lifting assembly 2 comprises a lifting rod 21 and a lifting driving member 22, the lifting driving member 22 drives the lifting rod 21 to lift, and the test assembly 1 is arranged on the lifting rod 21. The lifting assembly 2 further comprises a lifting plate 23 and a sleeve 24, the test assembly 1 and the first position adjusting assembly 31 are arranged on the lifting plate 23, a bottom plate 311 is fixed on the lifting plate 23, the lifting plate 23 is fixed on the lifting rod 21, the lifting rod 21 is inserted into the sleeve 24 and lifts along the sleeve 24, the lifting driving member 22 comprises a mounting plate 221 and a first threaded rod 222, the mounting plate 221 is fixed on the sleeve 24, the first threaded rod 222 is screwed on the mounting plate 221, and the upper end of the first threaded rod 222 is rotationally connected with the lifting plate 23. In the embodiment, the lifting rod 21 and the sleeve 24 are both provided with two and one-to-one correspondence, the upper ends of the two lifting rods 21 are fixed on the bottom of the lifting plate 23 on both sides, the two ends of the mounting plate 221 are respectively fixed on the two sleeves 24, the lower end of the first threaded rod 222 is provided with a first handle 223, a rubber anti-skid sleeve is arranged on the first handle 223, the first threaded rod 222 is rotated through the first handle 223, and the first threaded rod 222 lifts on the mounting plate 221 to drive the lifting plate 23, the first position adjusting assembly 31 and the test assembly 1 to lift.

[0030] As Figure 1As shown, the position adjusting assembly 3 further comprises a second position adjusting assembly 32, which comprises a slide rail 321, a slide block 322 and an adjusting driving member 323. The length direction of the slide rail 321 is perpendicular to the length direction of the adjusting groove 314. The lifting assembly 2 is arranged on the slide block 322. The adjusting driving member 323 drives the slide block 322 to slide along the slide rail 321 in the length direction. The electro- luminescence testing device further comprises a base 5. The slide rail 321 is fixed on the base 5. The adjusting driving member 323 comprises a second threaded rod 324 and a connecting plate 325. The connecting plate 325 is fixed on the slide block 322. The second threaded rod 324 is threadedly connected with the connecting plate 325. In the embodiment, the electrolyte tank 11 is a long rectangular groove. The length direction of the electrolyte tank 11 is the transverse direction. The length direction perpendicular to the length direction of the electrolyte tank 11 is the longitudinal direction. The bottom plate 311, the adjusting groove 314 on the bottom plate 311 and the lifting plate 23 are all long and extend in the transverse direction. The plurality of connecting blocks 312 and the plurality of conductive columns 12 are arranged in the transverse direction. The base 5 and the slide rail 321 extend in the longitudinal direction. The lower ends of the two sleeves 24 are respectively fixed with a slide block 322. The connecting plate 325 is fixedly connected between the two slide blocks 322. The slide block 322 is provided with a sliding groove (not shown). The slide rail 321 is provided with two slide rails. The slide block 322 is respectively inserted into the slide rails 321 through the sliding grooves. The length of the second threaded rod 324 is greater than the length of the slide rail 321. The second threaded rod 324 is threadedly connected in the middle of the connecting plate 325. The second threaded rod 324 is rotationally connected to the support seat 6. The support seat 6 is fixed on the base 5. One end of the second threaded rod 324 is provided with a second handle 326. The second handle 326 is provided with a rubber anti-skid sleeve. The second threaded rod 324 is rotated through the second handle 326. The connecting plate 325 moves in the longitudinal direction on the second threaded rod 324, thereby driving the lifting assembly 2, the first position adjusting assembly 31 and the testing assembly 1 to adjust the longitudinal position. As shown in FIG. 6, Figure 4 As shown, the second threaded rod 324 can also be rotationally connected with the middle of the connecting plate 325. A threaded seat 7 is fixed on the base 5. The second threaded rod 324 is threadedly connected with the threaded seat 7. The second threaded rod 324 moves in the longitudinal direction when being rotated, thereby driving the connecting plate 325, the lifting assembly 2, the first position adjusting assembly 31 and the testing assembly 1 to adjust the longitudinal position.

[0031] As shown in FIG. 6, Figure 1 As shown, the base 5 is provided with at least two groups of the testing assembly 1, the lifting assembly 2, the first position adjusting assembly 31 and the second position adjusting assembly 32. The testing assembly 1, the lifting assembly 2, the first position adjusting assembly 31 and the second position adjusting assembly 32 are one-to-one corresponding. In this way, more battery strings can be tested by the electrolyte tank 2, thereby improving the battery string testing efficiency.

[0032] The electroluminescence testing device of the utility model is through setting test subassembly 1, lifting assembly 2 and position adjusting subassembly 3, when testing, the battery string is moved to electrolyte tank 11, lifting assembly 2 drives test subassembly 1 to lift and position adjusting subassembly 3 adjusts the horizontal and vertical position of test subassembly, so as to facilitate the battery string to be moved to electrolyte tank 11, the electrolyte in electrolyte tank 11 realizes complete wrapping to the battery string, then the electrically conductive column 12 and electrolyte are realized energization through the conducting wire 13, the battery string realizes complete conduction, and the problem that the first and last battery piece is blackened due to poor contact of the first and last solder strip does not occur, guaranteeing the production efficiency of photovoltaic module.

[0033] Embodiment two

[0034] The utility model provides a kind of string welding machine, including the electroluminescence testing device as described above, welding device, blanking device and battery string grabbing device, the welding device is welded to obtain battery string to battery piece and solder strip, the blanking device moves the battery string to next process, the battery string grabbing device and the electroluminescence testing device are connected on the blanking device, the battery string grabbing device moves the battery string conveyed on the blanking device to the electrolyte tank of the electroluminescence testing device and carries out electroluminescence test.

[0035] The string welding machine of the utility model is first welded to obtain battery string to battery piece and solder strip by welding device, then battery string is moved to next process of string welding machine by blanking device, when blanking, battery string grabbing device moves the battery string conveyed on blanking device to the electrolyte tank of electroluminescence testing device and carries out electroluminescence test, test subassembly is lifted by lifting assembly and the horizontal and vertical position of test subassembly is adjusted by position adjusting subassembly, so as to facilitate the battery string to be moved to electrolyte tank, the electrolyte in electrolyte tank realizes complete wrapping to the battery string, then the electrically conductive column and electrolyte are realized energization by conducting wire, the battery string realizes complete conduction, and the problem that the first and last battery piece is blackened due to poor contact of the first and last solder strip does not occur, guaranteeing the production efficiency of photovoltaic module.

[0036] Although the preferred embodiments in the embodiments of the utility model have been described, the person skilled in the art can make additional changes and modifications to these embodiments once the basic creative concept is known. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the embodiments of the utility model.

[0037] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and their equivalent technologies, the utility model also intends to include these changes and variations.

Claims

1. An electroluminescent test device, characterized in that The test device comprises a test assembly, a lifting assembly and a position adjusting assembly, the test assembly comprises an electrolyte tank, a conductive column and a conductive wire, the conductive column is in contact with electrolyte in the electrolyte tank, the conductive column is connected with the conductive wire, the lifting assembly drives the test assembly to lift, and the position adjusting assembly adjusts the lateral and longitudinal positions of the test assembly.

2. The electroluminescent test device of claim 1, wherein, The position adjusting assembly comprises a first position adjusting assembly, the first position adjusting assembly comprises a bottom plate, a connecting block and a fixing piece, the conductive column is connected on the connecting block, the conductive column is fixed with the electrolyte tank, the bottom plate is provided with an adjusting groove, the connecting block can drive the conductive column and the electrolyte tank to move laterally along the adjusting groove, and the fixing piece fixes the connecting block on the bottom plate.

3. The electroluminescent test device of claim 2, wherein, The conductive column is inserted and fixed on the electrolyte tank, the conductive column is inserted on the connecting block, and the electrolyte tank and the connecting block are provided with an elastic buffer.

4. The electroluminescent test device of claim 3, wherein, The elastic buffer comprises a buffer spring, the buffer spring is sleeved on the conductive column, and the two ends of the buffer spring are respectively abutted against the electrolyte tank and the connecting block.

5. The electroluminescent test device of claim 1, wherein, The lifting assembly comprises a lifting rod and a lifting driving piece, the lifting driving piece drives the lifting rod to lift, and the test assembly is arranged on the lifting rod.

6. The electroluminescent test device of claim 5, wherein, The lifting assembly further comprises a lifting plate and a sleeve pipe, the test assembly is arranged on the lifting plate, the lifting plate is arranged on the lifting rod, the lifting rod is inserted in the sleeve pipe and lifts along the sleeve pipe, the lifting driving piece comprises a mounting plate and a first threaded rod, the mounting plate is fixed on the sleeve pipe, the first threaded rod is screwed on the mounting plate, and one end of the first threaded rod is rotationally connected with the lifting plate.

7. The electroluminescent test device of claim 2, wherein, The position adjusting assembly further comprises a second position adjusting assembly, the second position adjusting assembly comprises a slide rail, a slide block and an adjusting driving piece, the length direction of the slide rail is perpendicular to the length direction of the adjusting groove, the lifting assembly is arranged on the slide block, and the adjusting driving piece drives the slide block to slide longitudinally along the slide rail.

8. The electroluminescent test device of claim 7, wherein, The slide rail is arranged on a base, the adjusting driving piece comprises a second threaded rod and a connecting plate, the connecting plate is fixed on the slide block, and the second threaded rod is threadedly connected with the connecting plate.

9. The electroluminescent test device of claim 8, wherein, The base is provided with at least two groups of the test assembly, the lifting assembly, the first position adjusting assembly and the second position adjusting assembly.

10. A stringer welding machine characterized by, The device comprises the electroluminescent test device, a welding device, a material feeding device and a battery string grabbing device, the welding device is used for welding battery pieces and welding belts to obtain a battery string, the material feeding device is used for transferring the battery string to a next process, the battery string grabbing device and the electroluminescent test device are connected on the material feeding device, and the battery string grabbing device moves the battery string conveyed on the material feeding device into the electrolyte tank of the electroluminescent test device for electroluminescent test.

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