CN213748988U - Pneumatic drive type hail testing machine for photovoltaic module - Google Patents

Abstract

The utility model belongs to the technical field of photovoltaic module reliability test and specifically relates to a pneumatic drive formula hail testing machine for photovoltaic module is related to, it includes the chassis, be equipped with the installation component who is used for fixed photovoltaic module on the chassis, the top of installation component is equipped with puck emitter, be equipped with the multiaxis adjusting device who is used for driving puck emitter to remove on the chassis, puck emitter includes the pneumatic cylinder, the axis of pneumatic cylinder is vertical setting, the pneumatic cylinder is connected on multiaxis adjusting device along vertical sliding, be fixed with the elevating gear who is used for driving the lift of pneumatic cylinder on the multiaxis adjusting device, the top of pneumatic cylinder communicates in the atmospheric pressure source, the bottom of pneumatic cylinder is the compressed air discharge port, be fixed with the installation section of thick bamboo on the multiaxis adjusting device, the inner wall of installation section of thick bamboo is fixed with the elastic ring, the puck is placed in the installation section of thick bamboo. This application has the effect of carrying out puck impact test to photovoltaic module.

Description

Pneumatic drive type hail testing machine for photovoltaic module

Technical Field

The application relates to the field of photovoltaic module reliability testing, in particular to an air pressure drive type hail testing machine for photovoltaic modules.

Background

The photovoltaic module can bear external loads applied to the photovoltaic module by strong wind, rain, snow, hail and the like when the photovoltaic module works outdoors, so that the photovoltaic module is subjected to bending deformation and the like, and therefore the service life and the reliability of the solar module are determined by the packaging quality of the photovoltaic module.

With respect to the related art in the above, the inventors consider that: the impact force in the twinkling of an eye that the hail produced photovoltaic module is great, can cause the destruction of at utmost to photovoltaic module, and photovoltaic module needs carry out the puck impact test before putting into use.

SUMMERY OF THE UTILITY MODEL

In order to carry out ice ball impact test to photovoltaic module, the application provides a pneumatic drive formula hail testing machine for photovoltaic module.

The application provides a pneumatic drive formula hail testing machine for photovoltaic module adopts following technical scheme:

the utility model provides a pneumatic drive formula hail testing machine for photovoltaic module, which comprises a base frame, be equipped with the installation component who is used for fixed photovoltaic module on the chassis, the top of installation component is equipped with puck emitter, be equipped with the multiaxis adjusting device who is used for driving puck emitter to remove on the chassis, puck emitter includes the atmospheric pressure section of thick bamboo, the axis of atmospheric pressure section of thick bamboo is vertical setting, the atmospheric pressure section of thick bamboo is connected on multiaxis adjusting device along vertical sliding, be fixed with the elevating gear who is used for driving the lift of atmospheric pressure section of thick bamboo on the multiaxis adjusting device, the top of atmospheric pressure section of thick bamboo communicates in the atmospheric pressure source, the bottom of atmospheric pressure section of thick bamboo is the compressed air discharge port, be fixed with the installation section of thick bamboo on the multiaxis adjusting device, the coaxial setting in the below of atmospheric pressure section of thick bamboo of installation, the inner wall of installation section of thick bamboo is fixed with the elastic ring, the puck is placed in the installation section of thick bamboo, the elastic ring supports the lower surface at the puck.

Through adopting above-mentioned technical scheme, elevating gear drive pneumatic cylinder rises, and the staff places the puck in the installation section of thick bamboo, then elevating gear drive pneumatic cylinder descends, and vertical decurrent atmospheric pressure is applyed to the puck in the installation section of thick bamboo to the pneumatic cylinder, and the puck breaks through the resistance downstream of elastic ring, hits the surface of beating at photovoltaic module at last, and the staff detects photovoltaic module's deformation degree with this reliability of judging photovoltaic group family. Above-mentioned technical scheme passes through the cooperation of pneumatic cylinder, installation section of thick bamboo, elastic ring, has reached and has carried out puck impact test's effect to photovoltaic module.

Optionally, the top end of the air pressure cylinder is connected with a sealing cover, a vent hole is formed in the center of the sealing cover and used for communicating with an air pressure source, an air through column is coaxially arranged in the air pressure cylinder, a plurality of communicating holes are formed in the air through column, the axis of each communicating hole is vertically arranged, a sealing cylinder is integrally formed on the bottom wall of the sealing cover, the vent hole is communicated with the sealing cylinder, and the air through column is located in the sealing cylinder.

Through adopting above-mentioned technical scheme, the atmospheric pressure source is to vent hole release compressed air, and compressed air passes through the intercommunicating pore when the post that ventilates and discharges, and the intercommunicating pore is equipped with a plurality ofly, has improved the homogeneity of compressed air to the puck impact.

Optionally, a vent pipe is coaxially arranged in the air pressure cylinder, a sealing ring is fixedly connected between the vent pipe and the air pressure cylinder, the sealing ring is located at the bottom of the air pressure cylinder, the communication hole is communicated with the vent pipe, a plurality of first flexible rings and a plurality of second flexible rings are arranged in the air pressure cylinder, the first flexible rings are sleeved on the vent pipe, and the second flexible rings are sleeved on the sealing cylinder.

Through adopting above-mentioned technical scheme, first flexible circle and the flexible effect of circle play sealed and stable with the second, have improved the stability of compressed air transmission between breather pipe and the sealed section of thick bamboo.

Optionally, the top of the vent column is connected with an air inlet disc, the bottom of the vent column is connected with an air outlet disc, the air inlet disc is provided with an air inlet hole communicated with the communicating hole, the top aperture of the air inlet hole is larger than the bottom aperture of the air inlet hole, the air outlet disc is provided with an air outlet hole communicated with the communicating hole, and the top aperture of the air outlet hole is smaller than the bottom aperture of the air outlet hole.

Through adopting above-mentioned technical scheme, the top aperture of inlet port is greater than its bottom aperture, and the compressed air of being convenient for gets into the inlet port, has the effect of pressure boost simultaneously, and the top aperture of venthole is less than its bottom aperture, and the venthole is discharged to the compressed air of being convenient for compressed air fully hits and beats on the puck.

Optionally, be fixed with fixed cover on the multiaxis adjusting device, the one end of fixed cover articulates there is the movable sleeve, and the other end is equipped with the retaining member that is used for fastening the movable sleeve, and fixed cover is sheathe in with the activity and has all opened the half slot, and two half slot cooperations are the round hole form, and the top integrated into one piece of an installation section of thick bamboo has a joint section of thick bamboo, and the internal diameter of a joint section of thick bamboo equals the external diameter of an installation section of thick bamboo, and the upper surface laminating of fixed cover and movable sleeve is in the lower surface of a joint section of thick bamboo.

Through adopting above-mentioned technical scheme, fixed cover and movable sleeve hinge fit to it is fixed through the retaining member, the staff of being convenient for is fixed the installation of an installation section of thick bamboo.

Optionally, the retaining member includes the screw rod, and the screw rod is the level setting, and the one end of screw rod articulates in fixed cover, and threaded connection has the adapter sleeve on the screw rod, and the movable sleeve is close to the one end of screw rod and opens the holding tank that supplies the screw rod to wear to establish, and the adapter sleeve supports tightly in one side that the movable sleeve deviates from fixed cover.

Through adopting above-mentioned technical scheme, during the installation section of thick bamboo of staff, at first place an installation section of thick bamboo in fixed cover and movable sleeve, then draw close fixed cover and movable sleeve each other, rotate the screw rod to the holding tank in after, then rotate the adapter sleeve and make the adapter sleeve support tightly in the movable sleeve one side that deviates from fixed cover, reached the effect of a fixed installation section of thick bamboo.

Optionally, the end portion of the screw, which is far away from the fixing sleeve, is fixedly connected with a limiting plate, and the fastening sleeve is located on one side, facing the fixing sleeve, of the limiting plate.

Through adopting above-mentioned technical scheme, the limiting plate has reduced the possibility that the adapter sleeve breaks away from the screw rod.

Optionally, a sealing ring is arranged above the mounting cylinder, the sealing ring is attached to the inner wall of the clamping cylinder, an inserting cylinder is integrally formed at the bottom end of the pneumatic cylinder, and the inserting cylinder is communicated with the vent pipe and is matched with the sealing ring in an inserting manner.

Through adopting above-mentioned technical scheme, the sealing washer has improved the leakproofness between a section of thick bamboo of pegging graft and the joint section of thick bamboo, has improved compressed air transmission's stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the ice hockey impact test effect on the photovoltaic component is achieved through the matching of the air pressure cylinder, the mounting cylinder and the elastic ring;

2. the ventilation column is provided with a plurality of communication holes, so that the impact uniformity of compressed air on the ice hockey is improved;

3. through the mutual cooperation of the fixed sleeve, the movable sleeve and the locking part, the effect of facilitating the installation or the disassembly of the installation cylinder is achieved.

Drawings

Fig. 1 is a schematic structural diagram of an air pressure driven hail tester for a photovoltaic module according to an embodiment of the present application.

Fig. 2 is an enlarged view for embodying a point a in fig. 1.

Fig. 3 is an enlarged view for embodying B in fig. 1.

Fig. 4 is an enlarged view for embodying C in fig. 1.

Fig. 5 is an enlarged view for embodying D in fig. 1.

Fig. 6 is an enlarged view for embodying point E in fig. 1.

Fig. 7 is a schematic structural diagram of an ice hockey launching device according to an embodiment of the application.

Fig. 8 is a sectional view of the pneumatic cylinder and the mounting cylinder according to the embodiment of the present application.

Fig. 9 is a schematic structural diagram of the time difference velocity measuring device according to the embodiment of the present application.

Description of reference numerals: 1. a chassis; 2. mounting the component; 21. fixing the rod; 211. a sliding block; 212. a sliding groove; 22. fixing the support rail; 23. fixing the slide rail; 231. fixing a limiting ring; 24. positioning a plate; 25. positioning the bolt; 3. an ice hockey launching device; 31. an air pressure cylinder; 311. a sealing cover; 312. a vent hole; 313. a sealing cylinder; 314. a breather pipe; 315. a seal ring; 316. ventilating columns; 317. a communicating hole; 318. a plug-in barrel; 32. a lifting seat; 321. a lifting fixture block; 322. a lifting clamping groove; 323. a limiting block; 33. an air inlet disc; 331. an air inlet; 34. an air outlet disc; 341. an air outlet; 35. a first flexible loop; 36. a second flexible loop; 37. mounting the cylinder; 371. a seal ring; 372. an elastic ring; 38. a clamping cylinder; 4. a multi-axis adjustment device; 41. a support bar; 411. a beam rod; 412. a reinforcing bar; 413. a second support rail; 414. a second slide rail; 415. a second stop collar; 42. a first support rail; 421. a first slide rail; 422. a first limit ring; 43. a first clamping block; 44. a first card slot; 45. mounting a rod; 451. a second fixture block; 452. a second card slot; 453. a lifting rail; 454. a limiting groove; 455. fixing a sleeve; 4551. mounting grooves; 456. a movable sleeve; 4561. accommodating grooves; 457. a locking member; 4571. a screw; 4572. fastening sleeves; 4573. a limiting plate; 5. a time difference speed measuring device; 51. a first mounting seat; 511. a first abdicating groove; 512. a first fastener; 513. a first laser; 52. a second mounting seat; 521. a second abdicating groove; 522. a second fastener; 523. a second laser; 53. a strut; 54. a controller; 55. a scale; 56. a conduit; 561. a first through hole; 562. a second through hole; 563. lightening holes; 57. a fixing assembly; 571. a first clip member; 5711. a first clamping groove; 572. a second clip member; 5721. a second clamping groove; 58. a protective cover; 6. a first drive assembly; 61. a first rodless cylinder; 7. a second drive assembly; 71. a second rodless cylinder; 8. a lifting device; 81. and a lifting cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses a pneumatic drive formula hail testing machine for photovoltaic module. Referring to fig. 1, a multiaxis regulation formula hail testing machine for photovoltaic module includes chassis 1, and chassis 1 is the frame of cuboid form, is equipped with the installation component 2 that is used for fixed photovoltaic module (not shown in the figure) on chassis 1, and the top of installation component 2 is equipped with puck emitter 3, is equipped with multiaxis adjusting device 4 that is used for driving puck emitter 3 to remove on chassis 1, and puck emitter 3's below is equipped with time difference speed sensor 5 that is used for testing puck moving speed.

Referring to fig. 1, when reliability test is required to be carried out on a photovoltaic module, a worker installs the photovoltaic module on an installation component 2, then a multi-axis adjusting device 4 drives an ice hockey launching device 3 to move, the ice hockey launching device 3 is located above the photovoltaic module, then the ice hockey launching device 3 launches ice hockey towards the photovoltaic module, the ice hockey strikes the surface of the photovoltaic module after passing through a time difference speed measuring device 5, the worker detects the deformation degree of the photovoltaic module, and the effect of ice hockey impact reliability test on the photovoltaic module is achieved.

Referring to fig. 1, the multi-axis adjusting device 4 drives the ice hockey launching device 3 to move to different positions, and ice hockey hitting tests of different positions are carried out on the photovoltaic assembly. The impact speed of the ice hockey influences the testing effect of the ice hockey on the photovoltaic component, and the time difference speed measuring device 5 is used for detecting whether the falling speed of the ice hockey meets the testing requirement.

Referring to fig. 1 and 2, the mounting assembly 2 includes fixing bars 21, the fixing bars 21 being parallel to the wide sides of the base frame 1, and two fixing bars 21 being provided in parallel. The two long sides of the chassis 1 are respectively fixed with a fixed support rail 22 through bolts, the fixed support rail 22 is parallel to the long sides of the chassis 1, a cylindrical fixed slide rail 23 is integrally formed on the fixed support rail 22, and the fixed slide rail 23 is parallel to the fixed support rail 22. The both ends of dead lever 21 have bolted the sliding block 211 respectively, and sliding block 211 slides on fixed slide rail 23.

Referring to fig. 2 and 3, the bottom of the sliding block 211 is provided with a sliding groove 212, the sliding groove 212 is an arc-shaped groove with a central angle larger than 180 °, and the inner wall of the sliding groove 212 fits the fixed slide rail 23, so that the possibility that the sliding block 211 is separated from the fixed slide rail 23 is reduced. The two ends of the fixed slide rail 23 are respectively bolted with a fixed limiting ring 231, so that the possibility that the sliding block 211 is separated from the fixed slide rail 23 is further reduced.

Referring to fig. 2, the two ends of the fixing rod 21 are respectively bolted with a positioning plate 24, the positioning plate 24 is vertically arranged, the positioning plate 24 is in threaded connection with a positioning bolt 25, and the positioning bolt 25 is fastened to the positioning plate 24 and the fixing rod 21 when abutting against the underframe 1.

Referring to fig. 1 and 3, the multi-axis adjusting device 4 includes a supporting rod 41, the supporting rod 41 is vertically disposed, the bottom end of the supporting rod 41 is connected to the bottom frame 1 in a sliding manner along the width direction of the bottom frame 1, and two ends of the supporting rod 41 in the length direction of the bottom frame 1 are respectively provided with one. Two wide sides of chassis 1 are respectively fixed with first supporting rail 42 through the bolt, and first supporting rail 42 is parallel with the wide side of chassis 1 mutually. The first support rail 42 is integrally formed with a first slide rail 421 parallel to the first support rail, and the first slide rail 421 is cylindrical.

Referring to fig. 3 and 4, the bottom end of each support rod 41 is bolted with two first blocks 43, the first blocks 43 slide on the first slide rail 421, the bottom wall of the first blocks 43 is provided with a first clamping groove 44, the first slide rail 421 is arranged in the first clamping groove 44 in a penetrating manner, the first clamping groove 44 is an arc-shaped groove with a central angle larger than 180 °, the inner wall of the first clamping groove 44 is attached to the first slide rail 421, and the possibility that the first blocks 43 are separated from the first slide rail 421 is reduced. In order to further reduce the possibility that the first latch 43 is separated from the first slide rail 421, the two ends of the first slide rail 421 in the length direction are respectively bolted with a first limiting ring 422.

Referring to fig. 1, a first driving assembly 6 for driving the supporting rod 41 to move is disposed on the chassis 1, and the first driving assembly 6 includes a first rod-less cylinder 61. The first rodless cylinder 61 is bolted to two wide sides of the chassis 1, the length direction of the first rodless cylinder 61 is parallel to the wide sides of the chassis 1, and the sliding piston of the first rodless cylinder 61 is fixedly connected to the bottom end of the supporting rod 41.

Referring to fig. 1 and 5, a beam bar 411 is bolted between the two support bars 41, the beam bar 411 is parallel to the long side of the underframe 1, two beam bars 411 are arranged on the same vertical plane, and a plurality of vertically arranged reinforcing bars 412 are bolted between the two beam bars 411. The same vertical side of both crossbar rods 411 is bolted with a second support rail 413, the second support rail 413 being parallel to the crossbar rods 411. The side of the second support rail 413 away from the beam rod 411 is integrally formed with a second sliding rail 414 in a cylindrical shape.

Referring to fig. 5, the two beam rods 411 are connected with the mounting rod 45 in a sliding manner, the mounting rod 45 is vertically arranged, one side of the mounting rod 45 facing the beam rods 411 is bolted with four second fixture blocks 451, one beam rod 411 corresponds to the two second fixture blocks 451, and the fixture blocks slide on the beam rods 411. The side surface of the clamping block close to the beam rod 411 is provided with a second clamping groove 452, and the second sliding rail 414 penetrates through the second clamping groove 452.

Referring to fig. 5 and 6, the second locking groove 452 is an arc-shaped groove with a central angle greater than 180 °, and an inner wall of the second locking groove 452 fits the second sliding rail 414, so that the possibility that the second block 451 is separated from the second sliding rail 414 is reduced. In order to further reduce the possibility that the second block 451 is separated from the second slide rail 414, the second limiting rings 415 are respectively bolted at two ends of the second slide rail 414 in the length direction.

Referring to fig. 1, a second driving assembly 7 for driving the mounting rod 45 to move is disposed between the two support rods 41, the second driving assembly 7 includes a second rodless cylinder 71, the second rodless cylinder 71 is bolted between the two support rods 41, and the second rodless cylinder 71 is located between the two cross-beam rods 411. The second rodless cylinder 71 has a length direction parallel to the long side of the chassis 1, and a sliding piston of the second rodless cylinder 71 is fixedly connected to the mounting rod 45.

Referring to fig. 1, the first rodless cylinder 61 drives the supporting rod 41 to slide along the width direction of the bottom frame 1, the supporting rod 41 drives the beam rod 411 and the mounting rod 45 to move, the second rodless cylinder 71 drives the mounting rod 45 to slide along the length direction of the bottom frame 1, and the mounting rod 45 drives the ice hockey launching device 3 to move, so that striking tests can be performed on different positions of the photovoltaic module conveniently.

Referring to fig. 7, the ice hockey launching device 3 comprises an air cylinder 31, the axis of the air cylinder 31 is vertically arranged, a lifting seat 32 is connected to the mounting rod 45 in a sliding manner along the vertical direction, and the air cylinder 31 is bolted on the lifting seat 32. The top end of the air pressure cylinder 31 is connected with a sealing cover 311, the center of the sealing cover 311 is provided with a vent hole 312, and the vent hole 312 is used for communicating with an air pressure source.

Referring to fig. 8, a sealing cylinder 313 is integrally formed on a bottom wall of the sealing cover 311, and the vent hole 312 communicates with the sealing cylinder 313. A vent pipe 314 is coaxially arranged in the air pressure cylinder 31, a sealing ring 315 is integrally formed between the vent pipe 314 and the air pressure cylinder 31, and the sealing ring 315 is positioned at the bottom of the air pressure cylinder 31.

Referring to fig. 8, a ventilation column 316 is coaxially disposed in the air cylinder 31, and the ventilation column 316 is disposed in the sealed barrel and at the upper end of the ventilation pipe 314. The ventilation column 316 is provided with a plurality of communication holes 317, the axes of the communication holes 317 are vertically arranged, and the communication holes 317 are communicated with the ventilation pipe 314. The air pressure source releases compressed air to the vent holes 312, the compressed air is discharged through the communication holes 317 and the vent pipes 314 in sequence, and the communication holes 317 are provided in plurality, so that the impact uniformity of the compressed air on the ice hockey is improved.

Referring to fig. 8, the top end of the vent column 316 is connected with an air inlet disc 33, the bottom end of the vent column 316 is connected with an air outlet disc 34, the air inlet disc 33 is provided with an air inlet hole 331 communicated with the communicating hole 317, the aperture of the top end of the air inlet hole 331 is larger than that of the bottom end thereof, so that compressed air can conveniently enter the air inlet hole 331, and the effect of increasing the atmospheric pressure is achieved. The air outlet disc 34 is provided with air outlet holes 341 communicated with the communication holes 317, and the top apertures of the air outlet holes 341 are smaller than the bottom apertures thereof, so that air pressure can be discharged from the air outlet holes 341 conveniently, and compressed air can be fully hit on ice balls (not shown in the figure).

Referring to fig. 8, a plurality of first flexible rings 35 and a plurality of second flexible rings 36 are disposed in the pneumatic cylinder 31, the first flexible rings 35 are disposed on the vent pipe 314, and the second flexible rings 36 are disposed on the sealing cylinder 313. First flexible ring 35 and second flexible ring 36 provide sealing and stabilizing features that improve the stability of the gas flow communication between vent tube 314 and sealing cylinder 313.

Referring to fig. 1 and 7, the mounting rod 45 is provided with a lifting device 8 for driving the ice hockey launching device 3 to lift, the lifting device 8 comprises a lifting cylinder 81, the lifting cylinder 81 is bolted on the mounting rod 45, and a piston rod of the lifting cylinder 81 is fixedly connected to the lifting seat 32. Two opposite vertical side surfaces of the mounting rod 45 are respectively bolted with a lifting rail 453, and the lifting rail 453 is vertically arranged. The lifting base 32 is bolted with two lifting fixture blocks 321 sliding on the lifting rail 453, and the two lifting fixture blocks 321 are corresponding to the lifting rail 453 one by one.

Referring to fig. 7, a lifting clamping groove 322 is formed on a side surface of the lifting clamping block 321 close to the lifting rail 453, and the lifting rail 453 penetrates the lifting clamping groove 322. The lifting fixture block 321 is matched with the lifting rail 453 in a sliding manner, so that the lifting stability of the lifting seat 32 is improved. Two opposite side walls of the lifting rail 453 are vertically provided with limiting grooves 454, and the limiting grooves 454 are formed along the length direction of the lifting rail 453. Two opposite inner side walls of the lifting clamping groove 322 are integrally formed with a limiting block 323, and the limiting block 323 slides in the limiting groove 454.

Referring to fig. 7, a mounting tube 37 is arranged below the pneumatic tube 31, a latch tube 38 is integrally formed at the top end of the mounting tube 37, and the inner diameter of the latch tube 38 is equal to the outer diameter of the mounting tube 37. The side of the mounting rod 45 close to the pneumatic cylinder 31 is bolted with a fixed sleeve 455, the fixed sleeve 455 is hinged with a movable sleeve 456, and one end of the fixed sleeve 455 is hinged with one end of the movable sleeve 456. The fixed sleeve 455 is provided with a locking member 457 for fastening the movable sleeve 456 at the end away from the end hinged with the movable sleeve 456, and the fixed sleeve 455 and the movable sleeve 456 are both provided with semicircular grooves which are matched to form a circular hole.

Referring to fig. 7, when the mounting cylinder 37 needs to be fixed, the mounting cylinder 37 is inserted into the fixed sleeve 455 and the movable sleeve 456, so that the upper surfaces of the fixed sleeve 455 and the movable sleeve 456 are attached to the lower surface of the clamping cylinder 38, and the fixed sleeve 455 and the movable sleeve 456 are fixed to each other by the locking member 457, thereby achieving the effect of fixing the mounting cylinder 37.

Referring to fig. 7, the locking member 457 comprises a screw 4571, the screw 4571 is horizontally disposed, the fixing sleeve 455 has a mounting groove 4551 formed at a side thereof remote from the side hinged to the movable sleeve 456, and one end of the screw 4571 is hinged in the screw 4551. An accommodating groove 4561 for the screw 4571 to penetrate is formed in one end, close to the screw 4571, of the movable sleeve 456, a fastening sleeve 4572 is connected to the screw 4571 in a threaded manner, and the fastening sleeve 4572 abuts against one side, away from the fixed sleeve 455, of the movable sleeve 456 to fix the fixed sleeve 455, the movable sleeve 456 and the mounting barrel 37.

Referring to fig. 7, to reduce the possibility of the fastening sleeve 4572 disengaging from the screw 4571, a limit plate 4573 is fixedly connected to the end of the screw 4571 away from the fixing sleeve 455, and the fastening sleeve 4572 is located on the side of the limit plate 4573 facing the fixing sleeve 455.

Referring to fig. 8, a sealing ring 371 is placed above the mounting cylinder 37, the sealing ring 371 is attached to the inner wall of the clamping cylinder 38, an inserting cylinder 318 is integrally formed at the bottom end of the pneumatic cylinder 31, and the inserting cylinder 318 is communicated with the vent pipe 314 and is in inserting fit with the sealing ring 371.

Referring to fig. 8, the sealing ring 371 improves the sealing performance between the socket cylinder 318 and the clamping cylinder 38, and improves the stability of compressed air transmission. An elastic ring 372 is fixed on the inner wall of the mounting cylinder 37, an ice hockey ball is placed in the mounting cylinder 37, and after a worker places the ice hockey ball (not shown in the figure) in the mounting cylinder 37, the elastic ring 372 is supported on the lower surface of the ice hockey ball.

Referring to fig. 8, the pneumatic cylinder 31 applies vertically downward compressed air to the ice hockey in the installation cylinder 37, the ice hockey breaks through the resistance of the elastic ring 372 and moves downward, and finally the ice hockey hits the surface of the photovoltaic module, and a worker detects the deformation degree of the photovoltaic module to judge the reliability of the photovoltaic module.

Referring to fig. 9, the time difference speed measuring device 5 includes a first mounting seat 51 and a second mounting seat 52, the first mounting seat 51 and the second mounting seat 52 are both fixed on the mounting rod 45 by bolts, and the first mounting seat 51 is located above the second mounting seat 52. The first mounting seat 51 is vertically provided with a first yielding groove 511.

Referring to fig. 9, the first mounting base 51 is provided with a first laser 513, and the emitted laser of the first laser 513 passes through the first avoiding groove 511. A second yielding groove 521 is vertically formed in the second mounting seat 52, a second laser 523 is arranged on the second mounting seat 52, and the laser emitted by the second laser 523 penetrates through the first yielding groove 511. The puck passes through the first and second yielding slots 511 and 521 in sequence.

Referring to fig. 1 and 9, a strut 53 is fixedly connected to one side of the mounting rod 45, a controller 54 is bolted to the strut 53, and the controller 54 is electrically connected to the first laser 513 and the second laser 523 respectively.

Referring to fig. 8 and 9, the puck is launched and dropped from the mounting cylinder 37, and during the lowering process, the puck firstly passes through the first abdicating groove 511, the first laser 513 senses the puck and transmits the puck to the controller 54 as an electric signal, the puck then descends through the second abdicating groove 521, the second laser 523 senses the puck and transmits the puck to the controller 54 as an electric signal, and the controller 54 calculates the time for the puck to descend from the first abdicating groove 511 to the second abdicating groove 521.

Referring to fig. 9, the worker measures the distance between the first mounting seat 51 and the second mounting seat 52 and transmits the measured distance to the controller 54, the controller 54 calculates the movement speed of the ice hockey falling from the first abdicating groove 511 to the second abdicating groove 521, the ice hockey falling speed is detected, whether the falling speed meets the test requirement is determined, and the worker can also use the ice hockey with different speeds to perform the impact reliability test on the photovoltaic module.

Referring to fig. 9, the first mounting seat 51 and the second mounting seat 52 are both detachably connected to the mounting rod 45, the mounting rod 45 is provided with a first fastening member 512 and a second fastening member 522, and both the first fastening member 512 and the second fastening member 522 are bolts. The first mount 51 is bolted to the mounting bar 45 by first fasteners 512 and the second mount 52 is bolted to the mounting bar 45 by second fasteners 522. The position of the first installation seat 51 is adjusted by the first fastening piece 512, and the position of the second installation seat 52 is adjusted by the second fastening piece 522, so that the effect of adjusting the distance between the first installation seat 51 and the second installation seat 52 is achieved.

Referring to fig. 9, a vertically arranged scale 55 is fixedly connected to one side of the mounting rod 45, and the scale 55 is located on the same side of the first mounting seat 51 and the second mounting seat 52, so that the effect of conveniently measuring the distance between the first mounting seat 51 and the second mounting seat 52 is achieved.

Referring to fig. 9, a conduit 56 is connected to the mounting rod 45, the conduit 56 is located below the mounting cylinder 37, and the conduit 56 protects and guides the ice hockey puck from falling. The material of pipe 56 is organic glass, and organic glass has better transparency, chemical stability, weatherability, is convenient for observe the descending condition of puck and has improved the stability of pipe 56.

Referring to fig. 9, the guide pipe 56 penetrates through the first and second abdicating grooves 511 and 521, the guide pipe 56 is provided with a first penetrating hole 561 and a second penetrating hole 562, the laser emitted from the first laser 513 penetrates through the first penetrating hole 561, the laser emitted from the second laser 523 penetrates through the second penetrating hole 562, and the guide pipe 56 is provided with a plurality of lightening holes 563, so that the labor is saved when workers carry the laser.

Referring to fig. 9, the fixing assembly 57 for fixing the guide tube 56 is disposed on the mounting rod 45, the fixing assembly 57 includes a first fastening member 571 and a second fastening member 572, and the first fastening member 571 is provided with a first fastening groove 5711. Second joint piece 572 is provided with second joint groove 5721, and first joint groove 5711 and second joint groove 5721 cooperate and are the round hole form, and first joint piece 571 and second joint piece 572 pass through bolted connection, and pipe 56 joint is in first joint groove 5711 and second joint groove 5721. The fixing members 57 are provided in two sets in the vertical direction, which improves the stability thereof when fixing the guide tube 56.

Referring to fig. 9, the bottom end of the mounting rod 45 is bolted with a protective cover 58, the protective cover 58 is sleeved on the bottom end of the guide pipe 56, and the protective cover 58 has the effect of reducing ice hockey.

The implementation principle of the pneumatic drive hail testing machine for the photovoltaic module is as follows: the first driving component 6 drives the supporting rod 41 to slide along the width direction of the underframe 1, the supporting rod 41 drives the beam rod 411 and the mounting rod 45 to move, the second driving component 8 drives the mounting rod 45 to slide along the length direction of the underframe 1, the mounting rod 45 drives the air pressure cylinder 31 and the mounting cylinder 37 to move, the lifting cylinder 81 drives the air pressure cylinder 31 to ascend, a worker places ice hockey in the mounting cylinder 37, the lifting cylinder 81 drives the air pressure cylinder 31 to descend, the air cylinder 31 then releases the compressed air to the mounting cylinder 37, and as the puck is forced down through the conduit 56, the first laser 513, the second laser 523 and the controller 54 cooperate with each other to test the speed of the ice hockey puck, therefore, whether the falling speed of the ice hockey meets the test requirement or not is judged, the ice hockey is finally hit on the surface of the photovoltaic module, and a worker detects the deformation degree of the photovoltaic module to judge the packaging quality of the photovoltaic module.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a pneumatic drive formula hail testing machine for photovoltaic module which characterized in that: comprises a chassis (1), a mounting component (2) for fixing a photovoltaic component is arranged on the chassis (1), a puck emitter (3) is arranged above the mounting component (2), a multi-axis adjusting device (4) for driving the puck emitter (3) to move is arranged on the chassis (1), the puck emitter (3) comprises an air pressure cylinder (31), the axis of the air pressure cylinder (31) is vertically arranged, the air pressure cylinder (31) is connected to the multi-axis adjusting device (4) in a sliding manner along the vertical direction, a lifting device (8) for driving the air pressure cylinder (31) to lift is fixed on the multi-axis adjusting device (4), the top end of the air pressure cylinder (31) is communicated with an air pressure source, the bottom end of the air pressure cylinder (31) is a compressed air outlet, a mounting cylinder (37) is fixed on the multi-axis adjusting device (4), the mounting cylinder (37) is coaxially arranged below the air pressure cylinder (31), an elastic ring (372) is fixed on the inner wall of the mounting cylinder (37), the ice hockey is placed in the mounting cylinder (37), and the elastic ring (372) is supported on the lower surface of the ice hockey.

2. The pneumatically driven hail testing machine for photovoltaic modules of claim 1, wherein: the top of pneumatic cylinder (31) is connected with sealed lid (311), open the center of sealed lid (311) has air vent (312), air vent (312) are used for communicating the atmospheric pressure source, coaxial ventilation post (316) that is equipped with in pneumatic cylinder (31), it has a plurality of intercommunicating pores (317) to open on ventilation post (316), the axis of intercommunicating pore (317) is vertical setting, the diapire integrated into one piece of sealed lid (311) has sealed section of thick bamboo (313), air vent (312) are linked together with sealed section of thick bamboo (313), it is located sealed bucket to ventilate post (316).

3. The pneumatically driven hail testing machine for photovoltaic modules of claim 2, wherein: an air pipe (314) is coaxially arranged in the air pressure cylinder (31), a sealing ring (315) is fixedly connected between the air pipe (314) and the air pressure cylinder (31), the sealing ring (315) is positioned at the bottom of the air pressure cylinder (31), a communication hole (317) is communicated with the air pipe (314), a plurality of first flexible rings (35) and a plurality of second flexible rings (36) are arranged in the air pressure cylinder (31), the first flexible rings (35) are sleeved on the air pipe (314), and the second flexible rings (36) are sleeved on the sealing cylinder (313).

4. The pneumatically driven hail testing machine for photovoltaic modules of claim 2, wherein: the top of the ventilation column (316) is connected with an air inlet disc (33), the bottom of the ventilation column (316) is connected with an air outlet disc (34), the air inlet disc (33) is provided with an air inlet hole (331) communicated with the communicating hole (317), the top aperture of the air inlet hole (331) is larger than the bottom aperture of the air inlet hole, the air outlet disc (34) is provided with an air outlet hole (341) communicated with the communicating hole (317), and the top aperture of the air outlet hole (341) is smaller than the bottom aperture of the air outlet hole.

5. The pneumatically driven hail testing machine for photovoltaic modules of claim 1, wherein: fixed cover (455) is fixed on multiaxis adjusting device (4), the one end of fixed cover (455) articulates there is movable sleeve (456), the other end is equipped with retaining member (457) that is used for fastening movable sleeve (456), fixed cover (455) and movable sleeve (456) are all opened the half slot, two half slot cooperations are the round hole form, the top integrated into one piece of installation section of thick bamboo (37) has joint section of thick bamboo (38), the internal diameter of joint section of thick bamboo (38) equals the external diameter of installation section of thick bamboo (37), the upper surface laminating of fixed cover (455) and movable sleeve (456) is in the lower surface of joint section of thick bamboo (38).

6. The pneumatically driven hail testing machine for photovoltaic modules of claim 1, wherein: retaining member (457) include screw rod (4571), screw rod (4571) are the level setting, the one end of screw rod (4571) articulates in fixed cover (455), threaded connection has adapter sleeve (4572) on screw rod (4571), movable sleeve (456) are close to one end of screw rod (4571) and are opened holding tank (4561) that supply screw rod (4571) to wear to establish, adapter sleeve (4572) support tightly in movable sleeve (456) deviate from one side of fixed cover (455).

7. The pneumatically driven hail testing machine for photovoltaic modules of claim 6, wherein: a limiting plate (4573) is fixedly connected to the end part of the screw rod (4571) far away from the fixed sleeve (455), and the fastening sleeve (4572) is positioned on one side of the limiting plate (4573) facing the fixed sleeve (455).

8. The pneumatically driven hail testing machine for photovoltaic modules of claim 5, wherein: a sealing ring (371) is arranged above the mounting cylinder (37), the sealing ring (371) is attached to the inner wall of the clamping cylinder (38), an inserting cylinder (318) is integrally formed at the bottom end of the air pressure cylinder (31), and the inserting cylinder (318) is communicated with the vent pipe (314) and is in inserting fit with the sealing ring (371).

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