A kind of EL test auxiliary tooling

Abstract

The utility model discloses an EL test auxiliary tool, comprising a placing base, a closed cover fixedly connected to the top of the placing base, an EL tester connected through the top of the closed cover, a mounting box fixedly connected to the top of the placing base, one side of the mounting box being located in the closed cover, a storage rack being arranged above the mounting box, a plurality of supporting pads being fixedly connected to the bottom inner wall of the storage rack, and a plurality of clamping mechanisms being arranged on the storage rack; the utility model relates to the technical field of solar cells; the EL test auxiliary tool can place solar panels of different sizes through the arranged storage rack, so that the solar panels can be conveniently transported into the closed cover for testing, and the solar panels can be clamped and fixed through the arranged plurality of pressing plates, and can be applicable to a plurality of solar panels, so as to improve the overall test efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cells, in particular to an EL test auxiliary tooling. Background Art

[0002] The full name of EL tester is infrared defect tester, which is used to detect internal defects, hidden cracks, fragments, cold solder joints, broken grids and abnormal phenomena of single-chip cells with different conversion efficiencies of solar cell modules. Auxiliary tooling is required when using EL tester.

[0003] The publication number CN 219918883 U discloses a photovoltaic module EL test fixture, including: a support seat, a probe assembly and a clamping assembly. The probe assembly moves in the horizontal direction of the support seat. The probe assembly includes a probe, and the probe is inserted into the conductive surface of the bus bar. The clamping assembly moves in the vertical direction of the support seat. The clamping assembly is used to press the bus bar and the probe to make them contact and conduct electricity. The above structure is achieved by the probe of the probe assembly telescopically moving in the horizontal direction and inserting it into the conductive surface of the bus bar. The clamping block in the clamping assembly telescopically moves in the vertical direction to press the bus bar and the probe, so that the current in the EL test conductive circuit forms a closed loop. It can replace the original paper clip auxiliary operation method for EL testing, prevent the photovoltaic module from being degraded during the detection process, and reduce costs. The application also discloses an EL tester, which uses the photovoltaic module EL test fixture for detection and has good practicality and economy.

[0004] However, the test fixture has the following shortcomings: when the fixture is used, the solar panel needs to be manually moved to the position of the EL tester for scanning and testing, and it is inconvenient to clamp and fix it. Moreover, the solar panel needs to be in a light-proof position for better testing.

[0005] Therefore, the utility model provides an EL test auxiliary tooling to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an EL test auxiliary tooling to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions: an EL test auxiliary tool, including a placement base, a closed cover is fixedly connected to the top of the placement base, an EL tester is connected through the top of the closed cover, a mounting box is fixedly connected to the top of the placement base, one side of the mounting box is located in the closed cover, a shelf is arranged above the mounting box, a plurality of support pads are fixedly connected to the bottom inner wall of the shelf, and a plurality of clamping mechanisms are arranged on the shelf;

[0008] The clamping mechanism includes a fixed cylinder that passes through and is connected to the storage rack, one end of the fixed cylinder is rotatably connected to a threaded short rod, a threaded sleeve is threadedly sleeved on the threaded short rod, a telescopic cylinder is fixedly sleeved on the threaded sleeve, one end of the telescopic cylinder slides and extends outside the fixed cylinder, one end of the telescopic cylinder is fixedly connected to a pressure plate, one side of the pressure plate is fixedly connected to a friction-increasing pad, and one end of the threaded short rod is fixedly connected to a hand wheel.

[0009] Preferably, a light shielding cover is fixedly connected to one side of the storage rack, and a sealing gasket is fixedly connected to one side of the light shielding cover, and the light shielding cover and the sealing gasket are used together to close the opening on one side of the closing cover.

[0010] Preferably, two positioning rods are fixedly connected in the fixed cylinder, and one end of the two positioning rods slides and extends into the telescopic cylinder. The telescopic cylinder can be limited by the provided positioning rods so that it can move smoothly.

[0011] Preferably, a partition is fixedly connected inside the installation box, and two long threaded rods are rotatably connected to the partition, and a movable plate is threadedly sleeved on the two long threaded rods. The top of the movable plate slides and extends outside the installation box, and the top of the movable plate is connected to the bottom of the shelf. The shelf can be conveniently moved by using the arranged partition, long threaded rod and movable plate, so that testing work can be facilitated.

[0012] Preferably, the two threaded long rods are fixedly sleeved with a synchronous wheel, and the same synchronous belt is wound between the two synchronous wheels. The synchronous wheel and the synchronous belt can be used together to facilitate the synchronous rotation of the two threaded long rods.

[0013] Preferably, a driven gear is fixedly sleeved on the corresponding threaded long rod, a driving motor is fixedly connected to the installation box, an output shaft of the driving motor is fixedly connected to a driving gear, and the driving gear is meshed with the driven gear. The driven gear, driving motor and driving gear are used in combination to conveniently drive the connected threaded long rod to rotate.

[0014] Preferably, one side of the two movable plates is fixedly connected to a side plate, and two support rods are fixedly connected in the installation box. The two support rods slide through the corresponding side plates respectively. The movable plates can be supported by the side plates and support rods, so that they can slide smoothly.

[0015] Beneficial Effects

[0016] The utility model provides an EL test auxiliary tooling. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The EL test auxiliary tooling can place solar panels of different sizes through the provided storage rack, so that they can be conveniently transported into the closed cover for testing. At the same time, the solar panels can be clamped and fixed through the provided multiple pressing plates, and can be applied to multiple solar panels, which can improve the overall test efficiency.

[0018] (2) The EL test auxiliary tooling can drive the storage rack to move through two movable plates arranged in the installation box, so as to facilitate its transportation into the closed cover. At the same time, the opening of the closed cover can be shielded by the arranged light shielding cover, so as to facilitate the testing of the solar cell panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the storage rack in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the clamping mechanism in the utility model;

[0022] Figure 4 It is the internal assembly diagram of the installation box in the utility model;

[0023] Figure 5 It is an assembly diagram of a closed cover and an EL tester in the utility model.

[0024] In the figure: 1. placement base; 2. closing cover; 3. EL tester; 4. installation box; 5. storage rack; 6. support pad; 7. fixing tube; 8. threaded short rod; 9. threaded sleeve; 10. telescopic tube; 11. pressure plate; 12. friction pad; 13. hand wheel; 14. light shielding cover; 15. sealing gasket; 16. positioning rod; 17. partition; 18. threaded long rod; 19. moving plate; 20. synchronous wheel; 21. synchronous belt; 22. driven gear; 23. driving motor; 24. driving gear; 25. side plate; 26. supporting rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] See also Figures 1 to 5, an EL test auxiliary tooling, comprising a placing base 1, a closed cover 2 is fixedly connected to the top of the placing base 1, an EL tester 3 is connected through the top of the closed cover 2, a mounting box 4 is fixedly connected to the top of the placing base 1, one side of the mounting box 4 is located in the closed cover 2, a storage rack 5 is arranged above the mounting box 4, a plurality of supporting pads 6 are fixedly connected to the bottom inner wall of the storage rack 5, the supporting pads 6 are made of rubber material, and a plurality of clamping mechanisms are arranged on the storage rack 5;

[0028] The clamping mechanism includes a fixed tube 7 that passes through and is connected to the storage rack 5. One end of the fixed tube 7 is rotatably connected to a threaded short rod 8. A threaded sleeve 9 is threadedly sleeved on the threaded short rod 8. A telescopic tube 10 is fixedly sleeved on the threaded sleeve 9. One end of the telescopic tube 10 slides and extends to the outside of the fixed tube 7. One end of the telescopic tube 10 is fixedly connected to a pressure plate 11. One side of the pressure plate 11 is fixedly connected to a friction-increasing pad 12, which is made of rubber material. One end of the threaded short rod 8 is fixedly connected to a hand wheel 13.

[0029] Embodiment 2:

[0030] See also Figures 1 to 4 The present embodiment provides a technical solution based on the first embodiment: a shading cover 14 is fixedly connected to one side of the storage rack 5, and a sealing gasket 15 is fixedly connected to one side of the shading cover 14; two positioning rods 16 are fixedly connected in the fixed cylinder 7, and one end of the two positioning rods 16 slides and extends into the telescopic cylinder 10; a partition 17 is fixedly connected in the installation box 4, and two threaded long rods 18 are rotatably connected to the partition 17, and the two threaded long rods 18 are threadedly sleeved with a moving plate 19, and the top of the moving plate 19 slides and extends to the outside of the installation box 4, and the top of the moving plate 19 is connected to the storage box 4. The bottom of the rack 5 is connected; the two threaded long rods 18 are fixedly provided with a synchronous wheel 20, and the same synchronous belt 21 is wound between the two synchronous wheels 20; the corresponding threaded long rods 18 are fixedly provided with a driven gear 22, and a driving motor 23 is fixedly connected in the installation box 4, and the output shaft of the driving motor 23 is fixedly connected to a driving gear 24, and the driving gear 24 is meshed with the driven gear 22; one side of the two movable plates 19 is fixedly connected to a side plate 25, and two support rods 26 are fixedly connected in the installation box 4, and the two support rods 26 slide through the corresponding side plates 25 respectively.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] Working principle: When in use, the operator selects a suitable number of panels to be placed in the rack 5 according to the size of the solar panel to be tested, so that the panels are evenly distributed, and then the corresponding hand wheel 13 is turned, and the EL tester 3 drives the threaded sleeve 9 threadedly connected to it to move through the threaded short rod 8, and the threaded sleeve 9 drives the telescopic cylinder 10 to move, and the telescopic cylinder 10 clamps the solar panel firmly through the pressing plate 11 and the friction pad 12, and then the driving motor 23 is started, and the driving motor 23 drives the driven gear 22 meshing with it to rotate through the driving gear 24, and the driven gear 22 drives the connected threaded long rod 18 to rotate, and the threaded long rod 18 drives another threaded long rod 18 to rotate through the synchronous wheel 20 and the synchronous belt 21. At this time, the two threaded long rods 18 rotate synchronously, and the threaded long rod 18 drives the moving plate 19 threadedly connected to it to move, until the rack 5 is sent into the closed cover 2, and the sealing gasket 15 on the light shielding cover 14 is pressed against the closed cover 2, and the EL tester 3 can test the solar panel in the rack 5.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An EL test auxiliary tool, comprising a placement base (1), characterized in that: The top of the placement base (1) is fixedly connected to a closed cover (2), the top of the closed cover (2) is penetrated by an EL tester (3), the top of the placement base (1) is fixedly connected to a mounting box (4), one side of the mounting box (4) is located in the closed cover (2), a storage rack (5) is arranged above the mounting box (4), a plurality of support pads (6) are fixedly connected to the bottom inner wall of the storage rack (5), and a plurality of clamping mechanisms are arranged on the storage rack (5); The clamping mechanism comprises a fixed cylinder (7) connected to the storage rack (5), one end of the fixed cylinder (7) is rotatably connected to a threaded short rod (8), a threaded sleeve (9) is threadedly sleeved on the threaded short rod (8), a telescopic cylinder (10) is fixedly sleeved on the threaded sleeve (9), one end of the telescopic cylinder (10) is slidably extended to the outside of the fixed cylinder (7), one end of the telescopic cylinder (10) is fixedly connected to a pressure plate (11), one side of the pressure plate (11) is fixedly connected to a friction-enhancing pad (12), and one end of the threaded short rod (8) is fixedly connected to a hand wheel (13).

2. The EL test auxiliary tooling according to claim 1, characterized in that: A light shielding cover (14) is fixedly connected to one side of the storage rack (5), and a sealing gasket (15) is fixedly connected to one side of the light shielding cover (14).

3. The EL test auxiliary tooling according to claim 2, characterized in that: Two positioning rods (16) are fixedly connected inside the fixed cylinder (7), and one end of the two positioning rods (16) both slides and extends into the telescopic cylinder (10).

4. The EL test auxiliary tooling according to claim 1, characterized in that: A partition (17) is fixedly connected inside the installation box (4), and two threaded long rods (18) are rotatably connected and penetrated on the partition (17). A movable plate (19) is threadedly sleeved on the two threaded long rods (18), and the top of the movable plate (19) slides and extends outside the installation box (4), and the top of the movable plate (19) is connected to the bottom of the storage rack (5).

5. The EL test auxiliary tooling according to claim 4, characterized in that: A synchronous wheel (20) is fixedly sleeved on each of the two threaded long rods (18), and a synchronous belt (21) is wound between the two synchronous wheels (20).

6. The EL test auxiliary tooling according to claim 4, characterized in that: A driven gear (22) is fixedly sleeved on the corresponding threaded long rod (18), a driving motor (23) is fixedly connected inside the installation box (4), an output shaft of the driving motor (23) is fixedly connected to a driving gear (24), and the driving gear (24) is meshed with the driven gear (22).

7. The EL test auxiliary tooling according to claim 4, characterized in that: One side of the two movable plates (19) is fixedly connected to a side plate (25), and two support rods (26) are fixedly connected inside the installation box (4), and the two support rods (26) respectively slide through the corresponding side plates (25).

Images