CN218734200U - Sand pressure load testing device for photovoltaic module - Google Patents
Sand pressure load testing device for photovoltaic module Download PDFInfo
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- CN218734200U CN218734200U CN202222851219.5U CN202222851219U CN218734200U CN 218734200 U CN218734200 U CN 218734200U CN 202222851219 U CN202222851219 U CN 202222851219U CN 218734200 U CN218734200 U CN 218734200U
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- upper frame
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 239000004576 sand Substances 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000005094 computer simulation Methods 0.000 abstract description 2
- 238000013522 software testing Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a sand pressure load testing device for photovoltaic module, it includes outer frame, outer frame includes upper frame and bottom platform that sets up from top to bottom, and the bottom platform is the cuboid frame that comprises the section bar frame, is provided with the slide rail on two long frames of upper portion respectively, is equipped with two at least lift posts on the slide rail, is equipped with an assembly support on the lift post that sets up relatively on two long frames, the both ends of assembly support are fixed respectively on the top of lift post; a photovoltaic module is arranged above the module bracket; a plurality of longitudinal beams which are arranged in parallel are arranged above the top surface of the upper frame, the longitudinal beams are parallel to the long frame of the upper frame, and two ends of each longitudinal beam are arranged on the short frame of the upper frame in a sliding manner; and a plurality of clamping mechanisms which are uniformly distributed are connected below the longitudinal beam and used for clamping the pressing piece. The utility model discloses simplify test process, increase efficiency of software testing and realize sand pressure load dynamic simulation.
Description
Technical Field
The utility model relates to a photovoltaic module testing arrangement technical field especially relates to a husky pressure load testing arrangement for photovoltaic module.
Background
The photovoltaic module is required to bear the pressure of wind, snow and the like on the front and back surfaces of the module in the outdoor installation and power generation processes; in the component research and development process, the possible influence of the severe environment on the component needs to be simulated and verified, so that the static load test and the dynamic load test need to be carried out on the component, and whether the developed photovoltaic component meets the requirements or not is verified.
The existing component mechanical load test comprises three types, namely air pressure (a suction disc and an air bag), water pressure and sand pressure, and the sand pressure is more common in the existing mechanical load test; firstly, the sand is pressed on the surface of the component, so that the stress is uniform, and the component is more friendly; secondly, the sand pressing device is cheap, can get on the horse many devices, and the popularization is high. The principle is very simple: a platform is arranged on the horizontal bottom surface, the height of the platform is 300-800mm, and the platform is ensured to be horizontal; the middle area of the platform is hollow, the general size is the largest component size of the existing development (the existing component is 2384 × 1303mm), and the size of the platform is recommended to be 2500 × 1500mm; the bracket and the component are installed on the platform according to a component installation manual or a customer requirement installation form; a (uniformly full) sandbag is placed over the assembly as needed to apply pressure. According to the IEC61215 test standard requirements, the mechanical load test of the component requires three cycles of positive and negative tests, 6 times in total, and 1 hour of each time.
The existing sand-pressing load device mainly has the following two problems:
(1) The sand pressure belongs to a passive ballasting mode, when the strength of the back surface of the assembly is tested after the positive pressure test is finished, the connection between the support and the platform needs to be disassembled and assembled again, then the sand bag ballasting is carried out, and the steps are carried out for 6 times; and in the dismouting in-process like this, there is very big probability can cause the installation to become flexible, offset, the stealthy damage of subassembly etc. brings adverse effect to subassembly mechanical load result.
(2) When the sand pressure load is tested, the gravity of the sand bag acts on the component, the simulation of dynamic load cannot be carried out, and other load testing equipment needs to be replaced for testing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a husky pressure load testing arrangement for photovoltaic module, simplify test technology, increase efficiency of software testing and realize husky pressure load dynamic simulation.
The purpose of the utility model is realized like this:
a sand pressure load testing device for a photovoltaic module comprises an outer frame, wherein the outer frame comprises an upper frame and a bottom platform which are arranged up and down, the bottom platform is a cuboid frame consisting of profile frames, two long frames on the upper part of the bottom platform are respectively provided with a slide rail, the slide rail is provided with at least two lifting columns, the lifting columns which are oppositely arranged on the two long frames are provided with a module support, and two ends of the module support are respectively fixed at the top ends of the lifting columns; a photovoltaic module is arranged above the module bracket; a plurality of longitudinal beams which are arranged in parallel are arranged above the top surface of the upper frame, the longitudinal beams are parallel to the long frame of the upper frame, and two ends of each longitudinal beam are arranged on the short frame of the upper frame in a sliding manner; and a plurality of clamping mechanisms which are uniformly distributed are connected below the longitudinal beam and used for clamping the pressing piece.
Preferably, the specification of the component support is selected from rectangular tubes or U-shaped steel of not less than 60 × 40 × 3 mm.
Preferably, the short frame of the upper frame is provided with a slide rail, and two ends of the longitudinal beam are arranged on the slide rail of the short frame of the upper frame, so that the longitudinal beam can move along the slide rail on the short frame of the upper frame.
Preferably, the lifting column adopts a hydraulic telescopic rod.
Preferably, 2~4 lifting columns are also arranged on the short frame of the bottom platform.
Preferably, the pressing piece is horizontally arranged at other positions below the photovoltaic module, which avoid the path of the vertical displacement of the module bracket.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts the lifting column and the component bracket to cooperate to move the photovoltaic component, the pressing piece clamping structure with movable and adjustable quantity is arranged above the component, the pressing piece is horizontally arranged below the component, and the photovoltaic component can be installed once, thus realizing six tests, reducing the disassembly times, reducing the testing time and increasing the testing efficiency; the lifting column of the utility model adopts the telescopic rods to extend and retract to different degrees, so that the uneven load test can be realized; the lifting column adopts hydraulic power, so that the pressure is more stable and the test is more accurate step by step; the problem of uneven stress of a dynamic load test is solved; the utility model is simple in operation, artifical still less, reduced the test cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the assembly installation of the present invention.
Fig. 3 is a schematic structural diagram of the bottom platform of the present invention.
Fig. 4 is a schematic structural diagram of the outer frame of the present invention.
Fig. 5 is a schematic view of the bottom sandbag arrangement of the present invention.
Fig. 6 is a schematic view of the arrangement of the upper sandbag of the present invention.
Wherein:
the photovoltaic module comprises an outer frame 1, a bottom platform 2, a lifting column 3, a module support 4, a longitudinal beam 5, a clamping mechanism 6 and a photovoltaic module 7.
Detailed Description
For better understanding of the technical solution of the present invention, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present invention, but only the embodiments of the present invention. It should be noted that the description of the positional relationship of the components, such as the component a is located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.
Example 1:
referring to fig. 1-6, fig. 1 is a schematic structural diagram of a sand pressure load testing device for a photovoltaic module according to the present invention. As shown in the figure, the utility model discloses a husky pressure load testing arrangement for photovoltaic module, it includes outer frame 1, outer frame 1 is including the upper ledge and the bottom platform 2 that set up from top to bottom, and bottom platform 2 is the cuboid frame of constituteing by the section bar frame, is provided with a steel slide rail on two long frames of portion above that respectively, two lift posts 3 about being equipped with on the slide rail, be equipped with an assembly support 4 on two relative lift posts 3 on the long frame, the top at lift post 3 is fixed respectively at the both ends of assembly support 4, screws up fixedly with the bolt.
Set up photovoltaic module 7 above two subassembly supports 4, therefore subassembly support 4's specification is generally selected for use more than or equal to 60 x 40 x 3mm rectangular pipe or "U" shaped steel, and the section parameter (section intensity mechanical properties parameter) is greater than normal support specification, because subassembly support 4 need circulate repetitious usage.
The top surface top of going up the frame is equipped with 8 parallel arrangement's longeron 5, longeron 5 is parallel with the long frame along last frame, be equipped with the slide rail on the short frame of going up the frame, the both ends of longeron 5 set up on the slide rail of the short frame of last frame, and longeron 5 can remove along the slide rail on the short frame of last frame from this, is convenient for adjust its position before the test, fixes it when the test begins.
The lower part of the longitudinal beam 5 is connected with a plurality of clamping mechanisms 6 which are uniformly distributed, the clamping mechanisms 6 are used for clamping pressing pieces (such as sandbags or other cushioning materials), and the number of the pressing pieces can be adjusted according to the area size of the components.
The structure of the outer frame 1 is that all industrial aluminum profiles with the thickness of more than or equal to 100mm are connected together through angle aluminum, and the actual size is adjusted according to the size of the largest component; when the bottom platform 2 is installed and fixed on the ground, the level of the bottom platform needs to be adjusted, otherwise, the stress of the assembly is uneven,
the lifting column 3 adopts a hydraulic telescopic rod, can be simultaneously stretched up and down, and can also be lifted singly, 2~4 lifting columns 3 can be arranged on a long frame, and 2~4 lifting columns can be arranged on a short frame.
Referring to fig. 5, fig. 5 is a schematic view of the arrangement of the sandbags on the bottom. As shown in the figure, under the photovoltaic module 7, the pressing piece is horizontally arranged at other places while avoiding the path of the vertical displacement of the module support 4, so that the back surface of the photovoltaic module 7 is uniformly stressed when contacting the pressing piece, and the module support 4 does not contact the pressing piece.
Referring to fig. 6, fig. 6 is a schematic view of the upper sandbag arrangement. As shown, a laminate is placed on top by the upper clamping mechanism 6 for positive pressure load testing of the assembly.
The component load testing method of the sand pressure load testing device for the photovoltaic component comprises the following steps:
according to an installation manual or customized requirements, the long sides of the components are perpendicular to the support beams (purlins) and parallel to the short sides; the frame bolt hole installation or the pressing block installation fixing component can be selected to fix the frame bolt hole installation or the pressing block installation fixing component on the beam; liang Jianju (hole mounting is fixed and not changeable; press block mounting generally selects a poor location;)
Adjusting the arrangement position of the sandbags below the component according to Liang Jianju, and not placing the sandbags below the vertical projection of the beam, so that the beam can move up and down conveniently;
adjusting the position of the hydraulic support rod to the position of the beam on the platform, and fixing the beam above the support rod (the support rod can freely slide on the long-edge beam on the platform-move through a slide rail);
the sandbags above the components are increased or decreased according to the areas of the upper telescopic rods and the components, and the single-layer area of the sandbags is required to be more than or equal to the actual area of the components;
according to mechanical conversion, when the hydraulic support rod is upwards, the front face of the component directly contacts with the sand bag above, and the component is subjected to positive pressure load test; when the assembly is moved downward, the back of the assembly is in contact with the bottom sandbag and the assembly test is a negative pressure load.
At the moment, the sand bag in the equipment only has the functions of buffering and force homogenization, and four hydraulic support rods are used for applying force; when the dynamic load test is needed, the needed dynamic load test can be completed only by adjusting the frequency and amplitude of the up-and-down reciprocating motion of the hydraulic support rod.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All technical solutions formed by adopting equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a sand pressure load testing arrangement for photovoltaic module which characterized in that: the lifting device comprises an outer frame (1), wherein the outer frame (1) comprises an upper frame and a bottom platform (2) which are arranged up and down, the bottom platform (2) is a cuboid frame consisting of profile frames, two long frames at the upper part of the bottom platform are respectively provided with a sliding rail, the sliding rails are provided with at least two lifting columns (3), the lifting columns (3) which are oppositely arranged on the two long frames are provided with an assembly bracket (4), and two ends of the assembly bracket (4) are respectively fixed at the top ends of the lifting columns (3); a photovoltaic module (7) is arranged above the module bracket (4); a plurality of longitudinal beams (5) which are arranged in parallel are arranged above the top surface of the upper frame, the longitudinal beams (5) are parallel to the long frame of the upper frame, and two ends of each longitudinal beam (5) are slidably arranged on the short frame of the upper frame; the clamping mechanism (6) is connected with a plurality of uniformly distributed clamping mechanisms (6) below the longitudinal beam (5), and the clamping mechanisms (6) are used for clamping the pressing piece.
2. A sand-pressure load testing device for photovoltaic modules according to claim 1, characterised in that: the specification of the component support (4) is selected from rectangular pipes or U-shaped steel of not less than 60 x 40 x 3 mm.
3. A sand-pressure load testing device for photovoltaic modules according to claim 1, wherein: the short frame of the upper frame is provided with a slide rail, and the two ends of the longitudinal beam (5) are arranged on the slide rail of the short frame of the upper frame, so that the longitudinal beam (5) can move along the slide rail on the short frame of the upper frame.
4. A sand-pressure load testing device for photovoltaic modules according to claim 1, wherein: the lifting column (3) adopts a hydraulic telescopic rod.
5. The sand-pressure load testing device for photovoltaic modules according to claim 1, wherein: 2~4 lifting columns (3) are also arranged on the short frame of the bottom platform (2).
6. The sand-pressure load testing device for photovoltaic modules according to claim 5, wherein: pressing pieces are horizontally arranged below the photovoltaic modules (7) at other positions of the path which avoids the vertical displacement of the module support (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222851219.5U CN218734200U (en) | 2022-10-28 | 2022-10-28 | Sand pressure load testing device for photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222851219.5U CN218734200U (en) | 2022-10-28 | 2022-10-28 | Sand pressure load testing device for photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218734200U true CN218734200U (en) | 2023-03-24 |
Family
ID=85592684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222851219.5U Active CN218734200U (en) | 2022-10-28 | 2022-10-28 | Sand pressure load testing device for photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218734200U (en) |
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2022
- 2022-10-28 CN CN202222851219.5U patent/CN218734200U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 188, Huachang Road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: JIANGSU AKCOME ENERGY RESEARCH INSTITUTE Co.,Ltd. Patentee after: Zhejiang Aikang New Energy Technology Co.,Ltd. Address before: No. 188, Huachang Road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: JIANGSU AKCOME ENERGY RESEARCH INSTITUTE Co.,Ltd. Patentee before: JIANGYIN AKCOME SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |