CN113686703B - Testing device for conversion power and mechanical load of double-sided photovoltaic panel - Google Patents
Testing device for conversion power and mechanical load of double-sided photovoltaic panel Download PDFInfo
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- CN113686703B CN113686703B CN202110984057.XA CN202110984057A CN113686703B CN 113686703 B CN113686703 B CN 113686703B CN 202110984057 A CN202110984057 A CN 202110984057A CN 113686703 B CN113686703 B CN 113686703B
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000005498 polishing Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
- H02S50/15—Testing of PV devices, e.g. of PV modules or single PV cells using optical means, e.g. using electroluminescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the field of testing of double-sided photovoltaic panels, in particular to a testing device for conversion power and mechanical load of a double-sided photovoltaic panel, which comprises a first fixing frame, a clamping mechanism, a polishing mechanism, a closing mechanism and the like; the first fixing frame is provided with a clamping mechanism, the clamping mechanism is provided with a polishing mechanism, and the closing mechanism is arranged on the first fixing frame. Through the light, in the process of testing the conversion power of the photovoltaic panel to be tested, the light can irradiate the two sides of the double-sided photovoltaic panel to be tested, so that the conversion power of the two sides of the double-sided photovoltaic panel to be tested can be tested, meanwhile, the position of the double-sided photovoltaic panel to be tested is unchanged, the accuracy of testing can be ensured, and the effect of accurately testing the conversion power of the two sides of the double-sided photovoltaic panel to be tested is achieved.
Description
Technical Field
The invention relates to the field of testing of double-sided photovoltaic panels, in particular to a testing device for conversion power and mechanical load of a double-sided photovoltaic panel.
Background
With the shortage of global energy and the warming of climate, renewable energy sources such as solar power generation gradually replace traditional thermal power generation, with the further development of the photovoltaic industry in China, the market capacity of the photovoltaic industry is expected to be in a year-by-year growth situation in the next years, and from the current development trend of the photovoltaic industry in China, the investment income rate of the photovoltaic industry in the future is further improved, the power of the photovoltaic module is the capability of the photovoltaic module for converting solar energy into electric energy, namely the power generation capability of the photovoltaic module, and the double-sided photovoltaic panel has the output power from the front side and the output power from the back side.
The reliability and safety test of the photovoltaic module in a laboratory before leaving a factory is particularly important, and certain difficulties are brought to the power test of the double-sided photovoltaic panel due to the characteristic of double-sided power generation, and the prior art is difficult to test the double-sided photovoltaic panel in the process of testing the mechanical load and the conversion power of the double-sided photovoltaic panel, and the double-sided photovoltaic panel is difficult to avoid deflection of the placing direction of the double-sided photovoltaic panel due to the force problem when being transported to a test bench, and the conversion power of the double-sided photovoltaic panel is inconvenient to test in the process of testing the conversion power of the double-sided photovoltaic panel, and meanwhile, the position of the double-sided photovoltaic panel is easy to change in the process of overturning the double-sided photovoltaic panel, so that the accuracy and the stability of the data of the conversion power of the double-sided photovoltaic panel are not guaranteed.
Disclosure of Invention
Based on the above, it is necessary to provide a device for testing the conversion power and the mechanical load of the double-sided photovoltaic panel, which can accurately test the conversion power of both sides of the double-sided photovoltaic panel to be tested and can automatically test the mechanical load of the double-sided photovoltaic panel to solve the problems that in the above-mentioned background art, when the mechanical load of the double-sided photovoltaic panel is difficult to test, the placement direction of the double-sided photovoltaic panel is difficult to accurately control, and when the conversion power of the double-sided photovoltaic panel is tested, the accuracy and the stability of the test data cannot be ensured.
The technical proposal is as follows: the utility model provides a conversion power and mechanical load's of two-sided photovoltaic board testing arrangement, includes first mount, clamping mechanism, polishing mechanism and closing mechanism, is equipped with clamping mechanism on the first mount, is equipped with polishing mechanism on the clamping mechanism, and closing mechanism locates on the first mount.
Further, the clamping mechanism comprises a second fixing frame, a first sliding rod, a clamping block and a first reset spring, wherein the second fixing frame is arranged on the first fixing frame, the first sliding rod is symmetrically and slidably connected to the second fixing frame, one end of the first sliding rod is connected with the clamping block, and the first reset spring is connected between the clamping block and the second fixing frame.
Further, the polishing mechanism comprises an electric push rod, a third fixing frame, racks, a rotating shaft, gears, a fourth fixing frame, a wedge ring, a fifth fixing frame and an illuminating lamp, wherein the electric push rod is connected to the first fixing frame, one end of the electric push rod is connected with the third fixing frame, the racks are symmetrically connected to the third fixing frame, the rotating shaft is symmetrically and rotatably connected to the second fixing frame, one end of the rotating shaft is connected with the gears, the gears are meshed with the racks, the fourth fixing frame is connected to the rotating shaft, the wedge ring is connected to the fourth fixing frame, the fifth fixing frame is connected to the wedge ring, and the illuminating lamp is commonly connected between the two fifth fixing frames.
Further, the closing mechanism comprises a first fixed rod, a sliding frame and a second reset spring, the first fixed rod is symmetrically connected to the first fixed frame, the sliding frame is connected to the first fixed rod in a sliding mode, and the second reset spring is connected between the sliding frame and the first fixed frame.
Further, the sliding mechanism is arranged on the sliding frame and comprises a second fixing rod, a sliding plate, a sixth fixing frame, a second sliding rod, a seventh fixing frame and a third reset spring, two second fixing rods are connected to the sliding frame, the sliding plate is connected between the two second fixing rods on the same side in a sliding mode, two sixth fixing frames are connected to the sliding plate in a sliding mode, two second sliding rods are connected to the sliding frame in a sliding mode, a seventh fixing frame is connected between the two second sliding rods on the same side in a sliding mode, the seventh fixing frame is in contact with the sixth fixing frame, and two third reset springs are connected between the seventh fixing frame and the sliding frame.
Further, the device also comprises a pushing mechanism, wherein the pushing mechanism is arranged on the seventh fixing frame and comprises a fixing strip and a wedge-shaped frame, the seventh fixing frame is connected with the fixing strip, and the rack is connected with the wedge-shaped frame.
The beneficial effects are as follows:
through the light, in the process of testing the conversion power of the photovoltaic panel to be tested, the light can irradiate the two sides of the double-sided photovoltaic panel to be tested, so that the conversion power of the two sides of the double-sided photovoltaic panel to be tested can be tested, meanwhile, the position of the double-sided photovoltaic panel to be tested is unchanged, the accuracy of testing can be ensured, and the effect of accurately testing the conversion power of the two sides of the double-sided photovoltaic panel to be tested is achieved.
The conversion power of the double-sided photovoltaic panel to be tested under the condition of different illumination angles can be tested through the change of the angle of the illuminating lamp, and meanwhile, one surface of the double-sided photovoltaic panel to be tested can be blocked by the two sliding frames, so that the influence of other external light sources on a test result can be prevented, the test accuracy is further ensured, and the effect of automatically testing the conversion power of the double-sided photovoltaic panel to be tested under the condition of different illumination angles is achieved.
Through the sliding plate, the sliding plate can move downwards under the action of gravity of the sliding plate, so that the sliding plate falls onto one surface of the double-sided photovoltaic plate to be tested, the compressive strength of the double-sided photovoltaic plate to be tested can be tested, the potential safety hazard caused by manual carrying of the double-sided photovoltaic plate to be tested is reduced, and the effect of automatically testing the mechanical load of the double-sided photovoltaic plate to be tested is achieved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the clamping mechanism of the present invention.
Fig. 3 is a schematic perspective view of the polishing mechanism of the present invention.
Fig. 4 is a schematic perspective view of the closing mechanism of the present invention.
Fig. 5 is an enlarged schematic view of the structure of the present invention a.
Reference numerals: 1_first mount, 2_clamping mechanism, 21_second mount, 22_first slide bar, 23_clamping block, 24_first return spring, 3_polishing mechanism, 31_electric push bar, 32_third mount, 33_rack, 34_rotating shaft, 35_gear, 36_fourth mount, 37_wedge ring, 38_fifth mount, 39_illuminating lamp, 4_closing mechanism, 41_first fixed bar, 42_slide, 43_second return spring, 5_slide mechanism, 51_second fixed bar, 52_slide plate, 53_sixth mount, 54_second slide bar, 55_seventh mount, 56_third return spring, 6_pushing mechanism, 61_fixed bar, 62_wedge frame.
Detailed Description
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.
Example 1
The utility model provides a testing arrangement of conversion power and mechanical load of two-sided photovoltaic board, as shown in fig. 1-5, including first mount 1, clamping mechanism 2, polishing mechanism 3 and closing mechanism 4, be equipped with clamping mechanism 2 on the first mount 1, clamping mechanism 2 is used for pressing from both sides the photovoltaic board that waits to test, is equipped with polishing mechanism 3 on the clamping mechanism 2, and polishing mechanism 3 is used for polishing the two-sided photovoltaic board that waits to test, and closing mechanism 4 is located on the first mount 1.
The clamping mechanism 2 comprises a second fixing frame 21, a first sliding rod 22, a clamping block 23 and a first reset spring 24, wherein the second fixing frame 21 is arranged on the first fixing frame 1, the first sliding rod 22 is symmetrically and slidably connected to the second fixing frame 21, one end of the first sliding rod 22 is connected with the clamping block 23, the first reset spring 24 is connected between the clamping block 23 and the second fixing frame 21, and the double-sided photovoltaic panel to be tested can be clamped through the cooperation of the clamping block 23 and the first reset spring 24.
The polishing mechanism 3 comprises an electric push rod 31, a third fixing frame 32, a rack 33, a rotating shaft 34, a gear 35, a fourth fixing frame 36, a wedge-shaped ring 37, a fifth fixing frame 38 and an illuminating lamp 39, wherein the electric push rod 31 is connected to the first fixing frame 1, the electric push rod 31 is used for driving the third fixing frame 32 and an upper device thereof to reciprocate, one end of the electric push rod 31 is connected with the third fixing frame 32, the rack 33 is symmetrically connected to the third fixing frame 32, the gear 35 and the upper device thereof are driven to rotate clockwise, the rotating shaft 34 is symmetrically and rotatably connected to the second fixing frame 21, one end of the rotating shaft 34 is connected with the gear 35, the gear 35 is meshed with the rack 33, the fourth fixing frame 36 is connected to the rotating shaft 34, the wedge-shaped ring 37 is connected to the fourth fixing frame 36, the wedge-shaped ring 37 is used for pushing the sliding frame 42 and the upper device thereof to move towards the direction close to each other, the fifth fixing frame 38 is connected to the wedge-shaped ring 37, the illuminating lamp 39 is jointly connected between the two fifth fixing frames 38, and the illuminating lamp 39 is used for polishing a double-sided photovoltaic panel to be tested.
The closing mechanism 4 comprises a first fixing rod 41, a sliding frame 42 and a second reset spring 43, wherein the first fixing frame 1 is symmetrically connected with the first fixing rod 41, the sliding frame 42 is connected to the first fixing rod 41 in a sliding mode, the sliding frame 42 is used for blocking one surface of a double-sided photovoltaic panel to be tested, the second reset spring 43 is connected between the sliding frame 42 and the first fixing frame 1, and the second reset spring 43 is used for driving the sliding frame 42 to reset.
When the double-sided photovoltaic panel to be tested is used, the clamping blocks 23 are manually pulled in the directions away from each other, the first reset springs 24 are compressed, then the double-sided photovoltaic panel to be tested is placed between the two clamping blocks 23, and the double-sided photovoltaic panel to be tested can be clamped through the cooperation of the clamping blocks 23 and the first reset springs 24.
The lighting lamp 39 is manually started by controlling the lighting lamp 39, one surface of the double-sided photovoltaic panel to be tested is illuminated, meanwhile, the conversion power of the double-sided photovoltaic panel to be tested can be tested through other detection equipment, then the electric push rod 31 is manually controlled to shrink, the third fixing frame 32 and an upper device thereof move, the rack 33 can drive the gear 35 and the upper device thereof to rotate by 90 degrees, in the process, the wedge-shaped ring 37 can push the sliding frame 42 and the upper device thereof to move towards directions close to each other, the second reset spring 43 can be compressed, and the lighting lamp 39 is positioned on one side of the second fixing frame 21, so that the lighting lamp 39 can test the conversion power of the double-sided photovoltaic panel to be tested at different angles, meanwhile, one surface of the double-sided photovoltaic panel to be tested can be blocked by the two sliding frames 42, and the influence of other external light sources on a test result can be prevented.
Then, the electric push rod 31 is manually controlled to continue to shrink, so that the third fixing frame 32 and the upper device thereof continue to move, the rack 33 can drive the gear 35 and the upper device thereof to continue to rotate by 90 degrees, so that the illuminating lamp 39 is positioned on the other surface of the double-sided photovoltaic panel to be tested, and therefore other testing equipment can test the conversion power of the other surface of the double-sided photovoltaic panel to be tested, and the effect of automatically testing the conversion power of the double-sided photovoltaic panel to be tested through different angles is achieved.
The electric push rod 31 is manually controlled to extend, so that the third fixing frame 32 and the upper device thereof are reset, the rack 33 drives the gear 35 and the upper device thereof to reset, and the sliding frame 42 and the upper device thereof are reset under the reset action of the second reset spring 43.
Example 2
On the basis of embodiment 1, as shown in fig. 1 and 5, the device further comprises a sliding mechanism 5, the sliding mechanism 5 is arranged on the sliding frame 42, the sliding mechanism 5 comprises a second fixing rod 51, a sliding plate 52, a sixth fixing frame 53, a second sliding rod 54, a seventh fixing frame 55 and a third reset spring 56, two second fixing rods 51 are connected to the sliding frame 42, the sliding plate 52 is connected between the two second fixing rods 51 on the same side in a sliding manner, the sliding plate 52 is used for testing the mechanical load of the double-sided photovoltaic panel to be tested, two sixth fixing frames 53 are connected to the sliding plate 52, two second sliding rods 54 are connected to the sliding frame 42 in a sliding manner, a seventh fixing frame 55 is connected between the two second sliding rods 54 on the same side in a sliding manner, the seventh fixing frame 55 is used for driving the sliding plate 52 to reset upwards, the seventh fixing frame 55 is contacted with the sixth fixing frame 53, two third reset springs 56 are connected between the seventh fixing frame 55 and the sliding frame 42, and the third reset springs 56 are used for driving the seventh fixing frame 55 to reset.
The device also comprises a pushing mechanism 6, the pushing mechanism 6 is arranged on the seventh fixing frame 55, the pushing mechanism 6 comprises a fixing strip 61 and a wedge-shaped frame 62, the fixing strip 61 is connected to the seventh fixing frame 55, the wedge-shaped frame 62 is connected to the rack 33, and the wedge-shaped frame 62 is used for pushing the fixing strip 61 and devices on the fixing strip 61 to move downwards.
During the continuous movement of the third fixing frame 32 and the upper device thereof, the wedge-shaped frame 62 pushes the fixing strip 61 and the upper device thereof to move downwards, the third reset spring 56 is stretched along with the fixing strip, the sliding plate 52 moves downwards under the action of gravity, and the sliding plate 52 falls onto one surface of the double-sided photovoltaic panel to be tested, so that the effect of automatically testing the mechanical load of the double-sided photovoltaic panel to be tested is achieved.
During the resetting of the third fixing frame 32 and the upper device thereof, the seventh fixing frame 55 and the upper device thereof will reset under the resetting action of the third reset spring 56, and the seventh fixing frame 55 will drive the sliding plate 52 to reset upwards.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The testing device for the conversion power and the mechanical load of the double-sided photovoltaic panel is characterized by comprising a first fixing frame (1), a clamping mechanism (2), a polishing mechanism (3) and a closing mechanism (4), wherein the clamping mechanism (2) is arranged on the first fixing frame (1), the polishing mechanism (3) is arranged on the clamping mechanism (2), and the closing mechanism (4) is arranged on the first fixing frame (1);
the clamping mechanism (2) comprises a second fixing frame (21), a first sliding rod (22), a clamping block (23) and a first reset spring (24), wherein the second fixing frame (21) is arranged on the first fixing frame (1), the second fixing frame (21) is symmetrically and slidingly connected with the first sliding rod (22), one end of the first sliding rod (22) is connected with the clamping block (23), and the first reset spring (24) is connected between the clamping block (23) and the second fixing frame (21);
the polishing mechanism (3) comprises an electric push rod (31), a third fixing frame (32), a rack (33), a rotating shaft (34), a gear (35), a fourth fixing frame (36), a wedge-shaped ring (37), a fifth fixing frame (38) and an illuminating lamp (39), wherein the electric push rod (31) is connected to the first fixing frame (1), one end of the electric push rod (31) is connected to the third fixing frame (32), the rack (32) is symmetrically connected to the second fixing frame (21), the rotating shaft (34) is symmetrically and rotatably connected to the second fixing frame (21), one end of the rotating shaft (34) is connected to the gear (35), the gear (35) is meshed with the rack (33), the fourth fixing frame (36) is connected to the rotating shaft (34), the wedge-shaped ring (37) is connected to the fourth fixing frame (36), and the illuminating lamp (39) is commonly connected between the two fifth fixing frames (38).
The closing mechanism (4) comprises a first fixed rod (41), a sliding frame (42) and a second reset spring (43), wherein the first fixed rod (41) is symmetrically connected to the first fixed frame (1), the sliding frame (42) is connected to the first fixed rod (41) in a sliding manner, and the second reset spring (43) is connected between the sliding frame (42) and the first fixed frame (1);
the sliding mechanism (5) is arranged on the sliding frame (42), the sliding mechanism (5) comprises a second fixing rod (51), a sliding plate (52), a sixth fixing frame (53), a second sliding rod (54), a seventh fixing frame (55) and a third reset spring (56), two second fixing rods (51) are connected to the sliding frame (42), the sliding plate (52) is connected between the two second fixing rods (51) on the same side in a sliding mode, two sixth fixing frames (53) are connected to the sliding plate (52), two second sliding rods (54) are connected to the sliding frame (42) in a sliding mode, a seventh fixing frame (55) is connected between the two second sliding rods (54) on the same side in a sliding mode, the seventh fixing frame (55) is in contact with the sixth fixing frame (53), and two third reset springs (56) are connected between the seventh fixing frame (55) and the sliding frame (42);
the device also comprises a pushing mechanism (6), wherein the pushing mechanism (6) is arranged on the seventh fixing frame (55), the pushing mechanism (6) comprises a fixing strip (61) and a wedge-shaped frame (62), the fixing strip (61) is connected to the seventh fixing frame (55), and the wedge-shaped frame (62) is connected to the rack (33).
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| CN202110984057.XA CN113686703B (en) | 2021-08-25 | 2021-08-25 | Testing device for conversion power and mechanical load of double-sided photovoltaic panel |
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| CN202110984057.XA CN113686703B (en) | 2021-08-25 | 2021-08-25 | Testing device for conversion power and mechanical load of double-sided photovoltaic panel |
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| CN113686703B true CN113686703B (en) | 2023-11-28 |
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