CN213933544U - Frozen viscosity testing device for photovoltaic panel - Google Patents
Frozen viscosity testing device for photovoltaic panel Download PDFInfo
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- CN213933544U CN213933544U CN202023065687.7U CN202023065687U CN213933544U CN 213933544 U CN213933544 U CN 213933544U CN 202023065687 U CN202023065687 U CN 202023065687U CN 213933544 U CN213933544 U CN 213933544U
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- viscosity
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 239000007921 spray Substances 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008014 freezing Effects 0.000 claims abstract description 10
- 238000007710 freezing Methods 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000003595 mist Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a device for testing the viscosity of a frozen photovoltaic panel, which comprises a freezing wind tunnel box, a photovoltaic panel supporting base, an ice melting diversion supporting frame component, a photovoltaic panel supporting frame component, a freezing spraying box device, a photovoltaic panel main body and a horizontal tension test board; the photovoltaic panel supporting base is independently arranged at the air outlet end of the icing wind tunnel box; and the ice melting diversion support frame assembly is connected to the upper part of the right side of the photovoltaic panel support frame assembly through screws. In the use process of the utility model, the photovoltaic panel main body is connected with the upper part of the connecting lug plate and the upper part of the mounting plate in a shaft way, the adjusting screw is loosened, and the height of the adjusting branch pipe is changed so as to adjust the inclination angle of the photovoltaic panel main body; when the power fan and the refrigerator work, the work of the spray pump is controlled, formed mist is discharged into the stable air duct through the spray disc, and then is discharged to be attached to the surface of the photovoltaic panel main body through the wind compression pipe under the action of wind power.
Description
Technical Field
The utility model belongs to the technical field of the photovoltaic board test, especially, relate to a photovoltaic board after freezing viscosity testing arrangement.
Background
Photovoltaic power generation is a technology of directly converting light energy into electric energy by using the photovoltaic effect of a semiconductor interface. The solar energy power generation system mainly comprises a solar panel (assembly), a controller and an inverter, and the main components are electronic components. The solar cells are connected in series and then are packaged and protected to form a large-area solar cell module, and then the photovoltaic power generation device is formed by matching with components such as a power controller and the like.
Photovoltaic panels are generally operated outdoors and are not protected from many natural environments. When the temperature is lower than the subzero humidity and reaches a certain condition, a layer of ice can be formed on the surface of the photovoltaic panel, so that the working efficiency of the photovoltaic panel is greatly reduced, and energy waste is caused. In order to improve the utilization rate of the photovoltaic panel in winter and research the icing characteristic of the surface of the photovoltaic panel, the viscosity of the ice layer on the surface of the photovoltaic panel needs to be measured, and the law is found according to the change of different inclination angles of the photovoltaic panel.
Therefore, the invention is very necessary to provide a device for testing the viscosity of the frozen photovoltaic panel.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a photovoltaic board freezes back viscosity test device to measure the viscidity of photovoltaic board surface ice sheet, change according to the different inclination of adjusting the photovoltaic board, look for wherein law.
A viscosity testing device for a frozen photovoltaic panel comprises a freezing wind tunnel box, a photovoltaic panel supporting base, an ice melting flow guide supporting frame assembly, a photovoltaic panel supporting frame assembly, a freezing spraying box device, a photovoltaic panel main body and a horizontal tension testing table;
the photovoltaic panel supporting base is independently arranged at the air outlet end of the icing wind tunnel box; the ice melting diversion support frame assembly is connected to the upper part of the right side of the photovoltaic panel support frame assembly through screws; the photovoltaic panel support frame assembly is clamped at the right side position of the upper part of the photovoltaic panel support base; the icing spray box device is connected to the left side of the upper part of the icing wind tunnel box through a bolt; the photovoltaic panel main body is connected to the upper part of the photovoltaic panel support frame component through bolts;
the horizontal tension test bench is independently arranged on one side of the icing wind tunnel box and one side of the photovoltaic panel supporting base; the icing wind tunnel box comprises a power fan, a refrigerator, a diffusion wind pipe, a connecting bent neck pipe, a stable wind guide pipe and a wind pressure shrink pipe, wherein the air inlet end of the refrigerator is connected with the air outlet end of the power fan through a bolt; the air outlet end of the refrigerator is connected with the upper end of the diffusion air pipe through a bolt;
the lower part of the diffusion air pipe is connected with the upper end of the connecting bent neck pipe through a bolt; the right end of the stabilizing air duct is connected with the left end of the connecting bent neck pipe through a bolt; the right end of the wind compression pipe is connected to the left end of the stabilizing air duct through a bolt.
Preferably, the ice melting diversion support frame assembly comprises a support diversion bucket plate, a collection cover, a diversion pipe and a control valve, wherein the collection cover is riveted at the lower part of the support diversion bucket plate; the guide pipe is in threaded connection with the middle position of the lower part of the collecting cover; the control valve is in threaded connection with the lower part of the right side of the flow guide pipe.
Preferably, the photovoltaic panel support frame assembly comprises a support bottom plate, a front support rod and a rear support tube, wherein the front support rod is connected to the front part and the rear part of the right side of the upper part of the support bottom plate through screws; the rear support pipe is connected with the front part and the rear part of the left side of the upper part of the support bottom plate through screws.
Preferably, the icing spray tank device comprises a water storage tank, a sealing cover, a water guide pipe, a spray pump, a sealing ring gasket and a spray disc, wherein the sealing cover is buckled at the upper part of the water storage tank; the spray pump is connected with the water storage tank through a water guide pipe; the spraying pump is connected with the spraying disc through a water guide pipe; the sealing ring is sleeved on the lower part of the outer surface of the water guide pipe.
Preferably, the left side of the upper part of the horizontal tension test bench is connected with a backrest plate through a bolt; the upper part and the lower part of the right side of the back board are respectively connected with a thrust gauge and a thrust rod through bolts; a positioning screw is in threaded connection with the right side of the upper part of the horizontal tension test bench; and a scrap collecting box is arranged on the lower right side inside the horizontal tension test bench.
Preferably, the left side of the rear branch pipe is in threaded connection with an adjusting screw; the upper side of the inner part of the rear supporting pipe is inserted with an adjusting branch pipe; the upper end of the adjusting branch pipe is connected with an installation plate through a screw.
Preferably, the upper screw of the front support rod is connected with a connecting lug plate.
Preferably, the right side of the inside of the stabilizing air duct is connected with a honeycomb plate through a bolt.
Preferably, the screw at the diagonal position inside the connecting neck bending pipe is connected with a wind guide sheet.
Preferably, the wind power compression pipe is a trumpet-shaped stainless steel pipe; the open end of the wind compression pipe is connected with the stabilizing air duct.
Preferably, the support bucket guide plate is connected to the upper right side of the front support rod through a screw.
Preferably, the four corners of the inside of the supporting bottom plate are provided with positioning holes.
Preferably, the positioning hole is movably sleeved on the upper part of the positioning screw rod.
Preferably, a water replenishing pipe is embedded in the left side of the upper part of the sealing cover.
Compared with the prior art, the beneficial effects of the utility model are that:
in order to improve the utilization rate of the photovoltaic panel in winter and research the icing characteristic of the surface of the photovoltaic panel, the icing wind tunnel box is used for simulating a natural icing condition in the experiment to enable the surface of the main body of the photovoltaic panel to be coated with a layer of ice, the viscosity of the ice layer on the surface of the photovoltaic panel is measured by using the horizontal tension test bench, and the law of the ice layer is found according to the change of different inclination angles of the photovoltaic panel; in the using process, the photovoltaic panel main body is connected to the upper part of the connecting lug plate and the upper part of the mounting plate in a shaft mode, the adjusting screw is loosened, and the height of the adjusting branch pipe is changed so as to adjust the inclination angle of the photovoltaic panel main body; when the power fan and the refrigerator work, the work of the spray pump is controlled, formed mist is discharged into the stable air duct through the spray disc, and then is discharged to be attached to the surface of the photovoltaic panel main body through the wind compression pipe under the action of wind power.
Drawings
Fig. 1 is a schematic structural view of an icing wind tunnel box of the present invention.
Fig. 2 is a schematic structural view of the photovoltaic panel supporting base of the present invention.
Fig. 3 is a schematic structural diagram of the horizontal tension test bench of the present invention.
Fig. 4 is a schematic structural view of the ice melting diversion support frame assembly of the present invention.
Fig. 5 is a schematic structural view of the photovoltaic panel support assembly of the present invention.
Fig. 6 is a schematic structural view of the freezing spray box device of the present invention.
In the figure:
1. an icing wind tunnel box; 11. a power fan; 12. a refrigerator; 13. a diffusion air duct; 14. connecting a neck bending pipe; 141. a wind guide sheet; 15. a stabilizing air duct; 151. a honeycomb panel; 16. a wind compression tube; 2. a photovoltaic panel support base; 3. the ice melting and flow guiding support frame assembly; 31. supporting the hopper guide plate; 32. a collection hood; 33. a flow guide pipe; 34. a control valve; 4. a photovoltaic panel support frame assembly; 41. a support base plate; 411. positioning holes; 42. a front support rod; 421. connecting the ear plates; 43. a rear branch pipe; 431. an adjusting screw; 432. adjusting the branch pipe; 433. mounting a plate; 5. an ice spray box device; 51. a water storage tank; 52. a sealing cover; 521. a water replenishing pipe; 53. a water conduit; 54. a spray pump; 55. a seal ring pad; 56. a spray tray; 6. a photovoltaic panel body; 7. a horizontal tension test bench; 71. a back board; 72. a thrust gauge; 73. positioning a screw rod; 74. a scrap collecting box; 75. a thrust rod.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in the attached drawings 1 to 3, the utility model provides a photovoltaic panel frozen viscosity testing device, which comprises a freezing wind tunnel box 1, a photovoltaic panel supporting base 2, an ice melting diversion supporting frame component 3, a photovoltaic panel supporting frame component 4, a freezing spraying box device 5, a photovoltaic panel main body 6 and a horizontal tension testing table 7;
the photovoltaic panel supporting base 2 is independently arranged at the air outlet end of the icing wind tunnel box 1; the ice melting diversion support frame component 3 is connected to the upper part of the right side of the photovoltaic panel support frame component 4 through screws; the photovoltaic panel supporting frame assembly 4 is clamped at the right side position of the upper part of the photovoltaic panel supporting base 2; the icing spray box device 5 is connected to the left side of the upper part of the icing wind tunnel box 1 through bolts;
the photovoltaic panel main body 6 is connected to the upper part of the photovoltaic panel support frame assembly 4 through bolts; the horizontal tension test bench 7 is independently arranged on one side of the icing wind tunnel box 1 and one side of the photovoltaic panel supporting base 2; the icing wind tunnel box 1 comprises a power fan 11, a refrigerating machine 12, a diffusion wind pipe 13, a connecting bent neck pipe 14, a stabilizing wind guide cylinder 15 and a wind pressure shrinkage pipe 16, wherein the air inlet end of the refrigerating machine 12 is connected with the air outlet end of the power fan 11 through a bolt;
the air outlet end of the refrigerating machine 12 is connected with the upper end of the diffusion air pipe 13 through a bolt; the lower part of the diffusion air pipe 13 is connected with the upper end of the connecting bent neck pipe 14 through a bolt; the right end of the stabilizing air duct 15 is connected with the left end of the connecting bent neck pipe 14 through a bolt; the right end of the wind compression pipe 16 is bolted to the left end of the stabilizing air duct 15; the left side of the upper part of the horizontal tension test bench 7 is connected with a backrest plate 71 through a bolt; the upper part and the lower part of the right side of the back rest plate 71 are respectively connected with a thrust gauge 72 and a thrust rod 75 through bolts;
a positioning screw rod 73 is in threaded connection with the right side of the upper part of the horizontal tension test platform 7; and a scrap collecting box 74 is arranged at the right lower side inside the horizontal tension test platform 7.
As shown in fig. 4, in the above embodiment, specifically, the ice melting diversion support frame assembly 3 includes a support guide hopper plate 31, a collection cover 32, a diversion pipe 33 and a control valve 34, and the collection cover 32 is riveted on the lower portion of the support guide hopper plate 31; the guide pipe 33 is in threaded connection with the middle position of the lower part of the collecting cover 32; the control valve 34 is screwed at the lower position of the right side of the guide pipe 33.
As shown in fig. 5, in the above embodiment, specifically, the photovoltaic panel supporting frame assembly 4 includes a supporting base plate 41, a front supporting rod 42 and a rear supporting tube 43, wherein the front supporting rod 42 is screwed at two front and rear positions on the right side of the upper portion of the supporting base plate 41; the rear branch pipe 43 is screwed at the front and rear positions on the left side of the upper part of the support base plate 41.
As shown in fig. 6, in the above embodiment, specifically, the frozen spray tank device 5 includes a water tank 51, a sealing cover 52, a water conduit 53, a spray pump 54, a gasket 55 and a spray disk 56, wherein the sealing cover 52 is fastened to the upper portion of the water tank 51; the spray pump 54 is connected with the water storage tank 51 through a water guide pipe 53; the spray pump 54 is connected with the spray disc 56 through the water guide pipe 53; the gasket 55 is sleeved on the lower part of the outer surface of the water conduit 53.
In the above embodiment, specifically, the left side of the rear branch pipe 43 is threadedly connected with an adjusting screw 431; an adjusting branch pipe 432 is inserted into the upper side of the inner part of the rear support pipe 43; the upper end of the adjusting branch pipe 432 is connected with a mounting plate 433 through a screw.
In the above embodiment, in particular, the upper screw of the front supporting rod 42 is connected with the connecting ear plate 421.
In the above embodiment, specifically, the right side of the inside of the stabilizing air duct 15 is bolted with the honeycomb plate 151.
In the above embodiment, specifically, the air guiding plate 141 is screwed into the diagonal position inside the connecting neck pipe 14.
In the above embodiment, specifically, the wind compression pipe 16 is a stainless steel pipe in a trumpet shape; the open end of the wind compression pipe 16 is connected with the stabilizing air duct 15.
In the above embodiment, specifically, the support hopper plate 31 is screwed to the upper right side of the front support rod 42.
In the above embodiment, specifically, the four corners inside the supporting base plate 41 are provided with positioning holes 411.
In the above embodiment, specifically, the positioning hole 411 is movably sleeved on the upper portion of the positioning screw 73.
In the above embodiment, specifically, the water replenishing pipe 521 is embedded in the left side of the upper portion of the sealing cover 52.
Principle of operation
When the photovoltaic plate icing test bench is used, in order to improve the utilization rate of a photovoltaic plate in winter and research the icing characteristic of the surface of the photovoltaic plate, the icing wind tunnel box 1 is utilized to simulate natural icing conditions to enable the surface of a photovoltaic plate main body 6 to be coated with ice in the experiment, the horizontal tension test bench 7 is utilized to measure the viscosity of the ice layer on the surface of the photovoltaic plate, and the law is found according to the change of different inclination angles of the photovoltaic plate; in the using process, the photovoltaic panel main body 6 is axially connected to the upper part of the connecting lug plate 421 and the upper part of the mounting plate 433, the adjusting screw 431 is loosened, and the height of the adjusting branch pipe 432 is changed so as to adjust the inclination angle of the photovoltaic panel main body 6; when the power fan 11 and the refrigerator 12 are operated, the operation of the spray pump 54 is controlled, the formed mist is discharged into the stabilizing air duct 15 through the spray disc 56, and is discharged to be attached to the surface of the photovoltaic panel main body 6 through the wind compression pipe 16 under the action of wind power.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The device for testing the viscosity of the frozen photovoltaic panel is characterized by comprising a freezing wind tunnel box (1), a photovoltaic panel supporting base (2), an ice melting diversion supporting frame assembly (3), a photovoltaic panel supporting frame assembly (4), a freezing spraying box device (5), a photovoltaic panel main body (6) and a horizontal tension test board (7);
the photovoltaic panel supporting base (2) is independently arranged at the air outlet end of the icing wind tunnel box (1); the ice melting and flow guiding support frame assembly (3) is connected to the upper part of the right side of the photovoltaic panel support frame assembly (4) through screws; the photovoltaic panel support frame assembly (4) is clamped at the right side position of the upper part of the photovoltaic panel support base (2);
the icing spray box device (5) is connected to the left side of the upper part of the icing wind tunnel box (1) through bolts; the photovoltaic panel main body (6) is connected to the upper part of the photovoltaic panel support frame assembly (4) through bolts; the horizontal tension test bench (7) is independently arranged on one side of the icing wind tunnel box (1) and one side of the photovoltaic panel supporting base (2); the icing wind tunnel box (1) further comprises a power fan (11), a refrigerating machine (12), a diffusion wind pipe (13), a connecting elbow pipe (14), a stable wind guide cylinder (15) and a wind pressure reducing pipe (16), wherein the air inlet end of the refrigerating machine (12) is connected with the air outlet end of the power fan (11) through a bolt;
the air outlet end of the refrigerator (12) is connected with the upper end of the diffusion air pipe (13) through a bolt; the lower part of the diffusion air pipe (13) is connected with the upper end of the connecting bent neck pipe (14) through a bolt; the right end of the stable air duct (15) is connected with the left end of the connecting bent neck pipe (14) through a bolt; the right end of the wind compression pipe (16) is connected with the left end of the stabilizing air duct (15) through a bolt.
2. The device for testing the viscosity of the photovoltaic panel after icing as claimed in claim 1, wherein the ice melting diversion support frame assembly (3) comprises a support guide hopper plate (31), a collection cover (32), a diversion pipe (33) and a control valve (34), and the collection cover (32) is riveted on the lower part of the support guide hopper plate (31); the draft tube (33) is in threaded connection with the middle position of the lower part of the collecting cover (32); the control valve (34) is in threaded connection with the lower position of the right side of the draft tube (33).
3. The photovoltaic panel viscosity test device after icing as claimed in claim 1, wherein the photovoltaic panel support frame assembly (4) comprises a support bottom plate (41), a front support rod (42) and a rear branch pipe (43), the front support rod (42) is connected to the front and rear positions on the right side of the upper part of the support bottom plate (41) through screws; the rear branch pipe (43) is connected with the front and rear positions on the left side of the upper part of the supporting bottom plate (41) through screws.
4. The photovoltaic panel post-icing viscosity testing device as claimed in claim 1, wherein the icing spray box device (5) comprises a water storage tank (51), a sealing cover (52), a water guide pipe (53), a spray pump (54), a sealing gasket (55) and a spray disc (56), wherein the sealing cover (52) is buckled on the upper part of the water storage tank (51); the spray pump (54) is connected with the water storage tank (51) through a water guide pipe (53); the spraying pump (54) is connected with the spraying disc (56) through a water guide pipe (53); the sealing ring gasket (55) is sleeved at the lower part of the outer surface of the water guide pipe (53).
5. The photovoltaic panel post-icing viscosity testing device as claimed in claim 1, wherein a backrest plate (71) is bolted to the left side of the upper part of the horizontal tension testing platform (7); the upper part and the lower part of the right side of the back rest plate (71) are respectively connected with a thrust gauge (72) and a thrust rod (75) through bolts; a positioning screw rod (73) is in threaded connection with the right side of the upper part of the horizontal tension test platform (7); and a scrap collecting box (74) is arranged at the right lower side in the horizontal tension test bench (7).
6. The photovoltaic panel post-icing viscosity testing device as claimed in claim 3, wherein an adjusting screw (431) is screwed to the left side of the rear branch pipe (43); the upper side of the inner part of the rear branch pipe (43) is inserted with an adjusting branch pipe (432); the upper end screw of the adjusting branch pipe (432) is connected with a mounting plate (433).
7. The photovoltaic panel viscosity test device after icing as claimed in claim 3, wherein the upper part of the front support rod (42) is screwed with a connecting lug plate (421).
8. The device for testing the viscosity of the photovoltaic panel after icing as claimed in claim 1, wherein the honeycomb panel (151) is bolted to the right side of the inside of the stabilizing air duct (15).
9. The device for testing the viscosity of the photovoltaic panel after icing as claimed in claim 1, wherein a wind deflector (141) is screwed in the diagonal position inside the connecting bent neck pipe (14).
10. The photovoltaic panel after-ice viscosity test device as claimed in claim 1, wherein the wind compression pipe (16) is a trumpet-shaped stainless steel pipe; the open end of the wind power compression pipe (16) is connected with the stabilizing air duct (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023065687.7U CN213933544U (en) | 2020-12-18 | 2020-12-18 | Frozen viscosity testing device for photovoltaic panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023065687.7U CN213933544U (en) | 2020-12-18 | 2020-12-18 | Frozen viscosity testing device for photovoltaic panel |
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| Publication Number | Publication Date |
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| CN213933544U true CN213933544U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023065687.7U Expired - Fee Related CN213933544U (en) | 2020-12-18 | 2020-12-18 | Frozen viscosity testing device for photovoltaic panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663854A (en) * | 2021-08-20 | 2021-11-19 | 中国商用飞机有限责任公司 | Height-variable spraying device for large airplane surface icing test |
| CN117928880A (en) * | 2024-03-22 | 2024-04-26 | 南京沃姆传动技术有限公司 | Diversion equipment and diversion method for wind tunnel test |
-
2020
- 2020-12-18 CN CN202023065687.7U patent/CN213933544U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663854A (en) * | 2021-08-20 | 2021-11-19 | 中国商用飞机有限责任公司 | Height-variable spraying device for large airplane surface icing test |
| CN117928880A (en) * | 2024-03-22 | 2024-04-26 | 南京沃姆传动技术有限公司 | Diversion equipment and diversion method for wind tunnel test |
| CN117928880B (en) * | 2024-03-22 | 2024-05-28 | 南京沃姆传动技术有限公司 | Diversion equipment and diversion method for wind tunnel test |
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