CN213748987U - Hail testing machine with time difference speed measuring device for photovoltaic module - Google Patents

Abstract

The utility model belongs to the technical field of photovoltaic module reliability test and specifically relates to a hail testing machine that is used for photovoltaic module's time difference speed sensor 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's below is equipped with the time difference speed sensor who is used for testing hail moving speed, the time difference speed sensor includes first mount pad, the second mount pad, first mount pad and second mount pad are all fixed to be set up on multiaxis adjusting device, be equipped with first laser on the first mount pad, be equipped with the second laser on the second mount pad, be equipped with the controller on the multiaxis adjusting device, the controller respectively with first laser and second laser electric connection. This application has the effect that detects puck falling speed.

Description

Hail testing machine with time difference speed measuring device for photovoltaic module

Technical Field

The application relates to the field of photovoltaic module reliability test, especially relate to a hail testing machine that is used for photovoltaic module to have time difference speed sensor.

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 need carry out puck impact test before putting into use, and the impact velocity influence of puck is to photovoltaic module's test effect, therefore whether the falling speed that needs to detect the puck reaches the test requirement.

SUMMERY OF THE UTILITY MODEL

In order to detect the falling speed of ice ball, the application provides a hail testing machine that is used for photovoltaic module's difference in time speed sensor.

The application provides a hail testing machine that is used for photovoltaic module's time difference speed sensor that has adopts following technical scheme:

a hail testing machine with a time difference speed measuring device for a photovoltaic module comprises a bottom frame, wherein a mounting assembly used for fixing the photovoltaic module is arranged on the bottom frame, a puck transmitting device is arranged above the mounting assembly, a multi-shaft adjusting device used for driving the puck transmitting device to move is arranged on the bottom frame, the time difference speed measuring device used for testing the moving speed of hails is arranged below the puck transmitting device, the time difference speed measuring device comprises a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are fixedly arranged on the multi-shaft adjusting device, the first mounting seat is positioned above the second mounting seat, a first abdicating groove is vertically arranged on the first mounting seat, a second abdicating groove is vertically arranged on the second mounting seat, the puck sequentially passes through the first abdicating groove and the second abdicating groove, a first laser is arranged on the first mounting seat, and a second laser is arranged on the second mounting seat, the first laser is used for detecting the puck that passes the first groove of stepping down, and the second laser is used for detecting the puck that passes the second groove of stepping down, is equipped with the controller on the multiaxis adjusting device, and the controller respectively with first laser and second laser electric connection, the controller is used for calculating the speed of movement that the puck descends to the second groove of stepping down from the first groove of stepping down.

Through adopting above-mentioned technical scheme, puck emitter launches the puck, the puck is at first through first groove of stepping down at the in-process that descends, first laser senses the transmission for the controller signal of telecommunication behind the puck, the puck descends through the second groove of stepping down next time, the transmission for the controller signal of telecommunication behind the puck is sensed to the second laser, the controller calculates the time that the puck descends to the second groove of stepping down from first groove of stepping down, the staff measures the distance between first mount pad and the second mount pad and carries the numerical value to the controller, the controller calculates the speed of movement that the puck descends to the second groove of stepping down from first groove of stepping down. Above-mentioned technical scheme is mutually supported through first laser instrument, second laser instrument, controller, has reached the effect that detects puck falling speed.

Optionally, the first mounting seat and the second mounting seat are detachably connected to the multi-axis adjusting device respectively, and the multi-axis adjusting device is provided with a first fastening piece for fastening the first mounting seat and a second fastening piece for fastening the first mounting seat.

Through adopting above-mentioned technical scheme, utilize the position of first mount pad of first fastener adjustment, utilize the position of second fastener adjustment second mount pad, reached the effect apart from the adjustable between first installation and the second mount pad.

Optionally, a vertically arranged scale is connected to the multi-axis adjusting device, and the scale is located on the same side of the first mounting seat and the second mounting seat.

Through adopting above-mentioned technical scheme, the scale is convenient for measure the distance between first mount pad and the second mount pad.

Optionally, a guide pipe is connected to the multi-axis adjusting device, a fixing assembly used for fixing the guide pipe is arranged on the multi-axis adjusting device, the guide pipe penetrates through the first yielding groove and the second yielding groove, a first penetrating hole for penetrating the emission laser of the first laser is formed in the guide pipe, and a second penetrating hole for penetrating the emission laser of the second laser is formed in the guide pipe.

Through adopting above-mentioned technical scheme, the pipe plays the effect of protection and direction to the descending of puck.

Optionally, the catheter is made of organic glass.

Through adopting above-mentioned technical scheme, organic glass has better transparency, chemical stability, weatherability, is convenient for observe the condition of falling of puck and has improved the stability of pipe.

Optionally, the guide pipe is provided with a plurality of lightening holes.

Through adopting above-mentioned technical scheme, the lightening hole is used for the lightening of pipe, laborsaving when the staff of being convenient for carries.

Optionally, the fixing assembly comprises a first clamping piece and a second clamping piece, a first clamping groove is formed in the first clamping piece, a second clamping groove is formed in the second clamping piece, the first clamping groove and the second clamping groove are matched to form a round hole, the first clamping piece and the second clamping piece can be detachably connected, and the conduit is clamped in the first clamping groove and the second clamping groove.

Through adopting above-mentioned technical scheme, through mutually supporting of first joint spare and second joint spare, reached the effect of being convenient for install the pipe.

Optionally, the fixing assembly is provided with a plurality of groups along the vertical direction.

Through adopting above-mentioned technical scheme, fixed subassembly is equipped with the multiunit, has improved its stability when fixed to the pipe.

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

1. the first laser, the second laser and the controller are matched with each other, so that the effect of detecting the falling speed of the ice hockey is achieved;

2. the guide pipe is arranged and plays a role in protecting and guiding the falling of the ice hockey;

3. the guide pipe is provided with a plurality of lightening holes, so that labor is saved when workers carry the guide pipe.

Drawings

Fig. 1 is a schematic structural diagram of a hail testing machine with a time difference speed measuring device for a photovoltaic module according to an embodiment of the 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 hail testing machine that is used for photovoltaic module's time difference speed sensor has. 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 embodiment of the application provides a hail testing machine's implementation principle for photovoltaic module's time difference speed sensor has does: 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 hail testing machine that is used for photovoltaic module's time difference speed sensor that has which characterized in that: the device comprises a base frame (1), wherein a mounting assembly (2) used for fixing a photovoltaic assembly is arranged on the base frame (1), a puck emitter (3) is arranged above the mounting assembly (2), a multi-axis adjusting device (4) used for driving the puck emitter (3) to move is arranged on the base frame (1), a time difference speed measuring device (5) used for testing the moving speed of hails is arranged below the puck emitter (3), the time difference speed measuring device (5) comprises a first mounting seat (51) and a second mounting seat (52), the first mounting seat (51) and the second mounting seat (52) are both fixedly arranged on the multi-axis adjusting device (4), the first mounting seat (51) is positioned above the second mounting seat (52), a first yielding groove (511) is vertically formed in the first mounting seat (51), a second yielding groove (521) is vertically formed in the second mounting seat (52), the puck sequentially passes through the first yielding groove (511) and the second yielding groove (521), be equipped with first laser instrument (513) on first mount pad (51), be equipped with second laser instrument (523) on second mount pad (52), first laser instrument (513) are used for detecting the puck that passes first groove (511) of stepping down, second laser instrument (523) are used for detecting the puck that passes second groove (521) of stepping down, be equipped with controller (54) on multiaxis adjusting device (4), controller (54) respectively with first laser instrument (513) and second laser instrument (523) electric connection, controller (54) are used for calculating the speed of movement that the puck descends to second groove (521) from first groove (511) of stepping down.

2. The hail testing machine with time difference speed measuring device for the photovoltaic module according to claim 1 is characterized in that: the first mounting seat (51) and the second mounting seat (52) are respectively detachably connected to the multi-axis adjusting device (4), and a first fastening piece (512) used for fastening the first mounting seat (51) and a second fastening piece (522) used for fastening the first mounting seat (51) are arranged on the multi-axis adjusting device (4).

3. The hail testing machine with time difference speed measuring device for the photovoltaic module according to claim 2 is characterized in that: the multi-axis adjusting device (4) is connected with a scale (55) which is vertically arranged, and the scale (55) is positioned on the same side of the first mounting seat (51) and the second mounting seat (52).

4. The hail testing machine with time difference speed measuring device for the photovoltaic module according to claim 1 is characterized in that: be connected with pipe (56) on multiaxis adjusting device (4), be equipped with fixed subassembly (57) that are used for fixed pipe (56) on multiaxis adjusting device (4), first groove (511) and the second groove (521) of stepping down are worn to locate in pipe (56), open on pipe (56) and supply first laser instrument (513) the transmission laser to wear to establish first through-hole (561), open on pipe (56) and supply second laser instrument (523) the transmission laser to wear to establish second through-hole (562).

5. The hail testing machine with time difference speed measuring device for the photovoltaic module according to claim 4 is characterized in that: the conduit (56) is made of plexiglass.

6. The hail testing machine with time difference speed measuring device for the photovoltaic module according to claim 4 is characterized in that: the guide pipe (56) is provided with a plurality of lightening holes (563).

7. The hail testing machine with time difference speed measuring device for the photovoltaic module according to claim 4 is characterized in that: the fixing component (57) comprises a first clamping piece (571) and a second clamping piece (572), a first clamping groove (5711) is formed in the first clamping piece (571), a second clamping groove (5721) is formed in the second clamping piece (572), the first clamping groove (5711) and the second clamping groove (5721) are matched to form a circular hole, the first clamping piece (571) and the second clamping piece (572) are detachably connected, and the guide pipe (56) is clamped in the first clamping groove (5711) and the second clamping groove (5721).

8. The hail testing machine with time difference speed measuring device for the photovoltaic module according to claim 7 is characterized in that: the fixed components (57) are provided with a plurality of groups along the vertical direction.

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