CN117007607A - Novel terminal box welding detection equipment and method - Google Patents

Novel terminal box welding detection equipment and method Download PDF

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Publication number
CN117007607A
CN117007607A CN202311035385.0A CN202311035385A CN117007607A CN 117007607 A CN117007607 A CN 117007607A CN 202311035385 A CN202311035385 A CN 202311035385A CN 117007607 A CN117007607 A CN 117007607A
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CN
China
Prior art keywords
fixedly connected
detection device
displacement
detection
junction box
Prior art date
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Pending
Application number
CN202311035385.0A
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Chinese (zh)
Inventor
张建国
马明
郝文飞
贾国伟
石强强
王建明
章康平
介雷
胥星星
周锦凤
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Yidao New Energy Technology Co ltd
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Yidao New Energy Technology Co ltd
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Priority to CN202311035385.0A priority Critical patent/CN117007607A/en
Publication of CN117007607A publication Critical patent/CN117007607A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention relates to the technical field of junction box welding of photovoltaic modules, and discloses novel junction box welding detection equipment and method, wherein the novel junction box welding detection equipment comprises a bracket; the conveying device is arranged at the top of the bracket and used for conveying the photovoltaic module, two portal frames are arranged at the top of the conveying device and are arranged at intervals, and a displacement mechanism is arranged on each portal frame; the first detection device is arranged on one of the displacement mechanisms, is close to the input end of the conveying device and is used for photographing, checking and detecting the junction box on the photovoltaic module; the second detection device is arranged on the other displacement mechanism, and is close to the output end of the conveying device and used for carrying out electrical detection on the junction box. The invention can make the detection of the welding effect of the junction box more efficient and accurate, make the judging process more concise and improve the working efficiency.

Description

Novel terminal box welding detection equipment and method
Technical Field
The invention relates to the technical field of junction box welding of photovoltaic modules, in particular to novel junction box welding detection equipment and method.
Background
After the junction box is welded with the bus bar on the battery string assembly, the welding quality of the junction box is usually required to be detected so as to ensure that the bus bar is welded on the conductive sheet of the junction box; at present, a conventional detection mode is to take a picture of the welded bus bar by using a visual camera, obtain a welding spot image formed after welding, and judge whether the welding spot image is qualified according to experience.
Because the existing junction box welding detection is based on appearance comparison between a welding surface and an internal model library, the detection is carried out in a non-contact mode, and missed judgment and misjudgment are easy to generate.
Disclosure of Invention
The invention aims to provide novel terminal box welding detection equipment and method, which are used for solving the problems existing in the prior art.
In order to achieve the above object, the present invention provides the following solutions: the invention provides novel terminal box welding detection equipment, which comprises:
a bracket;
the conveying device is arranged at the top of the bracket and used for conveying the photovoltaic module, two gantry frames are arranged at the top of the conveying device, the two gantry frames are arranged at intervals, and a displacement mechanism is arranged on each gantry frame;
the first detection device is arranged on one of the displacement mechanisms, is close to the input end of the conveying device and is used for shooting, checking and detecting the junction box on the photovoltaic module;
the second detection device is arranged on the other displacement mechanism, and is close to the output end of the conveying device, and the second detection device is used for carrying out electrical detection on the junction box.
Preferably, the conveying device comprises a shell, the top surface of the shell is provided with an open end, two ends of an inner cavity of the shell are respectively and rotatably connected with a driving roller and a driven roller, one end of the driving roller penetrates through the shell and is fixedly connected with an output end of a conveying motor, a conveying belt is sleeved on the driving roller and the driven roller, a supporting plate is arranged in a cavity surrounded by the conveying belt, two ends of the supporting plate are fixedly connected with the inner wall of the shell, and the supporting plate is fixedly connected with the bottom surface of the shell.
Preferably, two bearing seats are fixedly connected to two sides of the shell respectively, and a bearing roller is rotatably connected between the two bearing seats positioned on the same side of the shell.
Preferably, the displacement mechanism comprises two displacement seats, the two displacement seats are fixedly connected to two sides of the top surface of the portal frame respectively, a displacement screw rod is connected between the two displacement seats in a rotating mode, one end of the displacement screw rod penetrates through one of the displacement seats to be fixedly connected with an output end of a displacement motor, and a moving assembly is connected to the displacement screw rod in a transmission mode.
Preferably, the moving assembly moving plate, the displacement screw runs through the moving plate and is connected with the moving plate through threads, vertical plates are fixedly connected to two sides of the moving plate respectively, sliding rails are fixedly connected to two sides of the top of the portal frame respectively, sliding blocks are fixedly connected to the side faces of the vertical plates, the sliding blocks are matched with the sliding rails, connecting plates are fixedly connected to the bottom faces of the two vertical plates, and the first detection device and the second detection device are arranged on the two connecting plates respectively.
Preferably, the first detection device comprises a camera, the camera is fixedly connected to the bottom surface of the connecting plate, and the camera transmits the shot picture to the terminal for detection and check through the transmission module.
Preferably, the second detection device comprises a steering motor, the steering motor is fixedly connected to the top surface of the connecting plate, a steering wheel is fixedly connected to the output end of the steering motor, a connecting seat is fixedly connected to the bottom surface of the steering wheel, an adjusting plate is fixedly connected to the bottom surface of the connecting seat, and a detection assembly is arranged on the adjusting plate.
Preferably, the detection assembly comprises two adjusting seats, the two adjusting seats are fixedly connected to two sides of the top surface of the adjusting plate respectively, a strip-shaped hole is formed in the top surface of the adjusting plate, a bidirectional screw rod is connected between the two adjusting seats in a rotating mode, one end of the bidirectional screw rod penetrates through one of the two adjusting seats and fixedly connected with an output end of the adjusting motor, the bidirectional screw rod penetrates through two detecting rods, the bidirectional screw rod is connected with the detecting rods through threads, an air cylinder is fixedly connected to the bottom of the detecting rods after penetrating through the strip-shaped hole, a probe of a loop resistance tester is fixedly connected to the output end of the air cylinder, and the two probe is electrically connected with a copper block of the junction box.
Preferably, a plurality of clamping pieces for clamping the photovoltaic module are respectively arranged on two sides of the top surface of the shell;
the clamping piece comprises two clamping seats, the two clamping seats are fixedly connected to the top surface of the shell, a rotating shaft is rotatably connected between the two clamping seats, one end of the rotating shaft penetrates through one of the clamping seats and is fixedly connected with the output end of the clamping motor, a clamping plate is fixedly connected to the rotating shaft, and a rubber block is fixedly connected to the end part of the clamping plate.
A novel junction box welding detection method comprises the following steps:
the photovoltaic module is conveyed to the lower part of the first detection device through the conveying mechanism;
the first detection device photographs the junction box on the photovoltaic module, transmits data to the terminal, compares the appearance of the junction box with that of the internal model library for workers, conveys the qualified photovoltaic module to the position below the second detection device through the conveying device, and guides the unqualified photovoltaic module out through the conveying device for maintenance;
the second detection device is driven, two probes of the loop resistance tester are respectively propped against copper blocks of the junction box, resistance values are tested after the two probes are electrified, the tested values accord with qualified photovoltaic modules in a preset range, and the qualified photovoltaic modules are led out and collected; and leading out maintenance for the unqualified photovoltaic module when the measured value does not accord with the preset range.
The invention discloses the following technical effects: the support supports the whole equipment, the conveying device is used for conveying and conveying the photovoltaic module, the photovoltaic module can be switched between the first station and the second station, the first detection device and the second detection device are utilized for detection, the displacement mechanism can drive the first detection device and the second detection device to carry out displacement adjustment, adaptability is improved, the first detection device can be used for carrying out first detection on the welding condition of the junction box of the photovoltaic module, the second detection device can be used for carrying out second detection on the welding condition of the junction box of the photovoltaic module, and detection accuracy is improved. The invention can make the detection of the welding effect of the junction box more efficient and accurate, make the judging process more concise and improve the working efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a novel junction box welding detection apparatus and method of the present invention;
FIG. 2 is a schematic view of a transportation device according to the present invention;
FIG. 3 is a schematic structural diagram of a first detecting device according to the present invention;
FIG. 4 is a schematic diagram of a second detecting device according to the present invention;
FIG. 5 is a schematic view of a clamping member mechanism according to the present invention;
wherein, 1, a bracket; 2. a portal frame; 3. a housing; 4. a drive roll; 5. driven roller; 6. a transport motor; 7. a conveyor belt; 8. a support plate; 9. a socket; 10. a receiving roller; 11. a displacement seat; 12. a displacement screw; 13. a displacement motor; 14. a moving plate; 15. a riser; 16. a slide rail; 17. a connecting plate; 18. a camera; 19. a steering motor; 20. a steering wheel; 21. a connecting seat; 22. an adjusting plate; 23. an adjusting seat; 24. a bidirectional screw; 25. adjusting a motor; 26. a detection rod; 27. a cylinder; 28. a probe; 29. a clamping seat; 30. clamping the motor; 31. a clamping plate; 32. rubber blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1, the present invention provides a novel junction box welding detection apparatus, comprising:
a bracket 1;
the conveying device is arranged at the top of the bracket 1 and used for conveying the photovoltaic module, two portal frames 2 are arranged at the top of the conveying device, the two portal frames are arranged at intervals, and a displacement mechanism is arranged on each portal frame 2;
the first detection device is arranged on one of the displacement mechanisms, is close to the input end of the conveying device and is used for photographing, checking and detecting the junction box on the photovoltaic module;
the second detection device is arranged on the other displacement mechanism, and is close to the output end of the conveying device and used for carrying out electrical detection on the junction box.
The support 1 that sets up supports whole equipment, and the conveyer of setting is used for the transmission transportation of photovoltaic module, makes it switch between first station and second station, utilizes first detection device and second detection device to detect, and the displacement mechanism of setting can drive first detection device and second detection device and carry out displacement adjustment, improves adaptability, and first detection device of setting can realize carrying out first detection to photovoltaic module terminal box welding condition, and second detection device of setting can carry out the second and detect to photovoltaic module terminal box welding condition, improves detection precision. The invention can make the detection of the welding effect of the junction box more efficient and accurate, make the judging process more concise and improve the working efficiency.
Referring to fig. 2, in a further optimized scheme, the transporting device comprises a shell 3, the top surface of the shell 3 is provided with an open end, two ends of an inner cavity of the shell 3 are respectively and rotatably connected with a driving roller 4 and a driven roller 5, one end of the driving roller 4 penetrates through the shell 3 and is fixedly connected with an output end of a transporting motor 6, a conveyor belt 7 is sleeved on the driving roller 4 and the driven roller 5, a supporting plate 8 is arranged in a cavity surrounded by the conveyor belt 7, two ends of the supporting plate 8 are fixedly connected with the inner wall of the shell 3, and a bracket 1 is fixedly connected on the bottom surface of the shell 3.
The conveying motor 6 drives the driving roller 4 to rotate, and then drives the conveying belt 7 to carry the photovoltaic module for conveying.
In a further optimized scheme, two sides of the shell 3 are fixedly connected with two bearing seats 9 respectively, and a bearing roller 10 is rotatably connected between the two bearing seats 9 positioned on the same side of the shell 3.
The bearing roller 10 can bear with external photovoltaic module conveying equipment.
Further optimizing scheme, displacement mechanism includes two displacement seats 11, and two displacement seats 11 are respectively rigid coupling in the top surface both sides of portal frame 2, rotate between two displacement seats 11 and are connected with displacement screw 12, and one end of displacement screw 12 runs through one of them displacement seat 11 rigid coupling and has the output of displacement motor 13, and the transmission is connected with the removal subassembly on the displacement screw 12.
The displacement motor 13 is arranged to rotate forward or reversely, so that the displacement screw 12 is driven, the moving assembly is driven to displace, and the position adjustment of the first detection device and the second detection device is realized.
According to a further optimization scheme, a moving plate 14 of the moving assembly is moved, a displacement screw 12 penetrates through the moving plate 14 and is in threaded connection with the moving plate 14, vertical plates 15 are fixedly connected to two sides of the moving plate 14 respectively, sliding rails 16 are fixedly connected to two sides of the top of a portal frame 2 respectively, sliding blocks are fixedly connected to the side faces of the vertical plates 15 and are matched with the sliding rails 16, connecting plates 17 are fixedly connected to the bottom faces of the two vertical plates 15, and a first detection device and a second detection device are arranged on the two connecting plates 17 respectively.
Referring to fig. 3, in a further optimized scheme, the first detecting device includes a camera 18, the camera 18 is fixedly connected to the bottom surface of the connecting plate 17, and the camera 18 transmits the photographed picture to the terminal for detection and checking through the transmission module.
Referring to fig. 4, in a further optimized scheme, the second detection device comprises a steering motor 19, the steering motor 19 is fixedly connected to the top surface of the connecting plate 17, a steering wheel 20 is fixedly connected to the output end of the steering motor 19 through the connecting plate 17, a connecting seat 21 is fixedly connected to the bottom surface of the steering wheel 20, an adjusting plate 22 is fixedly connected to the bottom surfaces of the two connecting seats 21, and a detection assembly is arranged on the adjusting plate 22.
Further optimizing scheme, the detection component includes two adjusting seats 23, two adjusting seats 23 rigid coupling respectively in the top surface both sides of regulating plate 22, the bar hole has been seted up to regulating plate 22 top surface, rotate between two adjusting seats 23 and be connected with two-way screw rod 24, one end of two-way screw rod 24 runs through one of them adjusting seat 23 rigid coupling and has the output of accommodate motor 25, two-way screw rod 24 runs through and is provided with two detection poles 26, and two-way screw rod 24 passes through threaded connection with detection pole 26, the bottom of detection pole 26 runs through the bar hole after the rigid coupling have cylinder 27, the output rigid coupling of cylinder 27 has the probe 28 of return circuit resistance tester, two probes 28 and the copper billet electric connection of terminal box.
The bidirectional screw 24 can drive the two probes 28 to move oppositely or reversely by rotating, and the distance between the two probes is adjusted, so that the adaptability is improved.
When the loop resistance tester is used for measuring, a high-frequency switching power supply outputs 100A or more current, the current is applied between two end buttons of a tested resistor, a sampling circuit is used for collecting an analog signal of voltage drop generated by the current flowing through the tested resistor, an A/D converter is used for converting the analog signal into a digital signal after the analog signal is amplified by a preamplifier, a microprocessor is used for filtering, calculating and processing data, and the direct-current resistance value of a tested body is obtained according to the principle that the current of a series circuit is equal everywhere through ohm law R=U/I and the ratio of the voltage drop U at two ends of a load to the current I in the loop. And carrying out range adjustment on the test numerical value result, and carrying out NG alarm examples on the components in the non-conforming range according to the range value set by the normal components.
Referring to fig. 5, in a further optimized solution, two sides of the top surface of the housing 3 are respectively provided with a plurality of clamping pieces for clamping the photovoltaic module;
the clamping piece comprises two clamping seats 29, the two clamping seats 29 are fixedly connected to the top surface of the shell 3, a rotating shaft is rotatably connected between the two clamping seats 29, one end of the rotating shaft penetrates through one clamping seat 29 to be fixedly connected with the output end of the clamping motor 30, a clamping plate 31 is fixedly connected to the rotating shaft, and a rubber block 32 is fixedly connected to the end part of the clamping plate 31.
The clamping piece that sets up can carry out the centre gripping location to photovoltaic module, avoids its displacement in the testing process.
A novel junction box welding detection method comprises the following steps:
the photovoltaic module is conveyed to the lower part of the first detection device through the conveying mechanism;
the first detection device photographs the junction box on the photovoltaic module, transmits data to the terminal, compares the appearance of the junction box with that of the internal model library for workers, passes through the lower part of the second detection device of the conveying belt 7 of the conveying device, and leads out and maintains the unqualified photovoltaic module through the conveying device;
the second detection device is driven, two probes 28 of the loop resistance tester are respectively propped against copper blocks of the junction box, resistance values are tested after the power is on, the tested values accord with qualified photovoltaic modules in a preset range, and the qualified photovoltaic modules are led out and collected; and leading out maintenance for the unqualified photovoltaic module when the measured value does not accord with the preset range.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (10)

1. Novel terminal box welding detection equipment, characterized in that includes:
a bracket (1);
the conveying device is arranged at the top of the bracket (1) and used for conveying the photovoltaic module, two gantry frames (2) are arranged at the top of the conveying device, the two gantry frames are arranged at intervals, and a displacement mechanism is arranged on each gantry frame (2);
the first detection device is arranged on one of the displacement mechanisms, is close to the input end of the conveying device and is used for shooting, checking and detecting the junction box on the photovoltaic module;
the second detection device is arranged on the other displacement mechanism, and is close to the output end of the conveying device, and the second detection device is used for carrying out electrical detection on the junction box.
2. The novel terminal box welding detection device according to claim 1, wherein: the conveying device comprises a shell (3), the top surface of the shell (3) is provided with an open end, two ends of an inner cavity of the shell (3) are respectively and rotatably connected with a driving roller (4) and a driven roller (5), one end of the driving roller (4) penetrates through the output end of a conveying motor (6) fixedly connected with the shell (3), a conveying belt (7) is sleeved on the driving roller (4) and the driven roller (5), a supporting plate (8) is arranged in a cavity surrounded by the conveying belt (7), two ends of the supporting plate (8) are fixedly connected with the inner wall of the shell (3), and the support (1) is fixedly connected with the bottom surface of the shell (3).
3. The novel junction box welding detection apparatus according to claim 2, wherein: two sides of the shell (3) are fixedly connected with two bearing seats (9) respectively, and a bearing roller (10) is rotatably connected between the two bearing seats (9) positioned on the same side of the shell (3).
4. A novel terminal block welding inspection apparatus as claimed in claim 3, wherein: the displacement mechanism comprises two displacement seats (11), wherein the two displacement seats (11) are fixedly connected to two sides of the top surface of the portal frame (2) respectively, a displacement screw (12) is connected between the two displacement seats (11) in a rotating mode, one end of the displacement screw (12) penetrates through one of the output ends of the displacement motor (13) fixedly connected to the displacement seat (11), and a moving assembly is connected to the displacement screw (12) in a transmission mode.
5. The novel terminal box welding inspection device of claim 4, wherein: the movable assembly movable plate (14), the displacement screw rod (12) penetrates through the movable plate (14) and is connected with the movable plate (14) through threads, vertical plates (15) are fixedly connected to two sides of the movable plate (14) respectively, sliding rails (16) are fixedly connected to two sides of the top of the portal frame (2) respectively, sliding blocks are fixedly connected to the side faces of the vertical plates (15), the sliding blocks are matched with the sliding rails (16), connecting plates (17) are fixedly connected to the bottom faces of the vertical plates (15), and the first detection device and the second detection device are arranged on the two connecting plates (17) respectively.
6. The novel terminal box welding inspection device of claim 5, wherein: the first detection device comprises a camera (18), the camera (18) is fixedly connected to the bottom surface of the connecting plate (17), and the camera (18) transmits the shot picture to the terminal through the transmission module for detection and check.
7. The novel terminal box welding inspection device of claim 6, wherein: the second detection device comprises a steering motor (19), the steering motor (19) is fixedly connected to the top surface of the connecting plate (17), the output end of the steering motor (19) penetrates through the connecting plate (17) and is fixedly connected with a steering wheel (20), the bottom surface of the steering wheel (20) is fixedly connected with a connecting seat (21), two adjusting plates (22) are fixedly connected to the bottom surface of the connecting seat (21), and detection components are arranged on the adjusting plates (22).
8. The novel terminal box welding inspection device of claim 7, wherein: the detection assembly comprises two adjusting seats (23), wherein the two adjusting seats (23) are fixedly connected to two sides of the top surface of the adjusting plate (22) respectively, a strip-shaped hole is formed in the top surface of the adjusting plate (22), a bidirectional screw (24) is rotationally connected between the two adjusting seats (23), one end of the bidirectional screw (24) penetrates through one of the adjusting seats (23) and fixedly connected with the output end of an adjusting motor (25), the bidirectional screw (24) penetrates through two detecting rods (26) and is connected with the detecting rods (26) through threads, an air cylinder (27) is fixedly connected to the bottom of the detecting rod (26) after penetrating through the strip-shaped hole, a probe (28) of a loop resistance tester is fixedly connected to the output end of the air cylinder (27), and the two probes (28) are electrically connected with copper blocks of the junction box.
9. The novel terminal box welding detection device according to claim 1, wherein: a plurality of clamping pieces for clamping the photovoltaic module are respectively arranged on two sides of the top surface of the shell (3);
the clamping piece comprises two clamping seats (29), the two clamping seats (29) are fixedly connected to the top surface of the shell (3), a rotating shaft is rotatably connected between the two clamping seats (29), one end of the rotating shaft penetrates through one of the clamping seats (29) and fixedly connected with the output end of the clamping motor (30), a clamping plate (31) is fixedly connected to the rotating shaft, and a rubber block (32) is fixedly connected to the end portion of the clamping plate (31).
10. A novel junction box welding detection method based on the novel junction box welding detection device as claimed in claim 9, characterized by comprising the following steps:
the photovoltaic module is conveyed to the lower part of the first detection device through the conveying mechanism;
the first detection device photographs the junction box on the photovoltaic module, transmits data to the terminal, compares the appearance of the junction box with that of the internal model library for workers, passes through the lower part of the second detection device of the conveying belt (7) of the conveying device, and leads out and maintains the unqualified photovoltaic module through the conveying device;
the second detection device is driven, two probes (28) of the loop resistance tester are respectively propped against copper blocks of the junction box, resistance values are tested after the power is on, the tested values accord with qualified photovoltaic modules in a preset range, and the qualified photovoltaic modules are led out and collected; and leading out maintenance for the unqualified photovoltaic module when the measured value does not accord with the preset range.
CN202311035385.0A 2023-08-17 2023-08-17 Novel terminal box welding detection equipment and method Pending CN117007607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311035385.0A CN117007607A (en) 2023-08-17 2023-08-17 Novel terminal box welding detection equipment and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311035385.0A CN117007607A (en) 2023-08-17 2023-08-17 Novel terminal box welding detection equipment and method

Publications (1)

Publication Number Publication Date
CN117007607A true CN117007607A (en) 2023-11-07

Family

ID=88572609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311035385.0A Pending CN117007607A (en) 2023-08-17 2023-08-17 Novel terminal box welding detection equipment and method

Country Status (1)

Country Link
CN (1) CN117007607A (en)

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