CN220063696U - Bending test device - Google Patents
Bending test device Download PDFInfo
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- CN220063696U CN220063696U CN202320465887.6U CN202320465887U CN220063696U CN 220063696 U CN220063696 U CN 220063696U CN 202320465887 U CN202320465887 U CN 202320465887U CN 220063696 U CN220063696 U CN 220063696U
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- photovoltaic module
- bending test
- flexible photovoltaic
- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000005452 bending Methods 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000002788 crimping Methods 0.000 claims abstract description 26
- 239000011324 bead Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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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 the technical field of photovoltaic module detection, in particular to a bending test device. The bending test device is used for bending test of the flexible photovoltaic module, a working table surface is arranged on the fixed support, and the working table surface is used for placing the flexible photovoltaic module; the crimping mechanism is arranged at one end of the fixed bracket and comprises a cylinder which is detachably connected, and the lower end of the cylinder and the workbench surface are positioned at the same height; the load mechanism is arranged at the other end of the fixed bracket far away from the crimping mechanism; and two ends of the flexible photovoltaic module along the length direction are fixedly connected with the load mechanism and the cylinder respectively. The bending test device can realize bending tests of different flexible photovoltaic modules and different curvature radius test requirements, and has simple preparation process and lower cost.
Description
Technical Field
The utility model relates to the technical field of photovoltaic module detection, in particular to a bending test device.
Background
Most of the existing photovoltaic power generation systems are rigid systems, and the existing photovoltaic power generation systems have the characteristics of large weight, high logistics transportation and labor cost and the like, and are high in labor and technical requirements for installation when photovoltaic modules are installed, so that the traditional solar cells are limited in application. The flexible solar cell has the advantages of light weight, flexibility, low installation cost and the like, becomes more and more important in photovoltaic application, and has wide application prospect in the fields of building integrated photovoltaics, portable equipment moving objects and aerospace.
In order to adapt to the appearance of new technologies of the novel photovoltaic modules and meet the testing requirements, the reliability of the flexible photovoltaic modules is ensured, the bending resistance of the flexible photovoltaic modules needs to be tested, and the product quality is ensured. In the prior art, the bending performance test device of the photovoltaic module is less, and the test method used in part of the bending tests is to select a plurality of stress points to perform the bending test, which is greatly different from the actual working scene, so that a special test device for the bending performance of the flexible photovoltaic module is necessary to be designed.
Disclosure of Invention
In order to optimize the bending test device of the prior flexible photovoltaic module, the utility model provides a bending test device which is used for the bending test of the flexible photovoltaic module and comprises the following components,
the fixing support is provided with a working table surface which is used for placing the flexible photovoltaic module;
the crimping mechanism is arranged at one end of the fixed bracket and comprises a cylinder which is detachably connected, and the lower end of the cylinder and the workbench surface are positioned at the same height;
the load mechanism is arranged at the other end of the fixed bracket far away from the crimping mechanism;
and two ends of the flexible photovoltaic module in the length direction are fixedly connected with the load mechanism and the cylinder respectively.
Specifically, the bending test device comprises a cross beam, the cross beam is arranged above the cylinder, two ends of the cylinder are connected with rotating shafts, hollow shafts are sleeved on the rotating shafts, and the hollow shafts are hoisted onto the cross beam.
Alternatively, the bending test device comprises a stand column, a bayonet is arranged on the stand column along the vertical direction, two ends of the cylinder are connected with rotating shafts, a hollow shaft is sleeved on the rotating shafts, and the hollow shaft is clamped on the bayonet.
Optionally, in the bending test device, the curling mechanism includes a column, a slide rail is disposed on the column along a vertical direction, two ends of the cylinder are connected with rotating shafts, a hollow shaft is sleeved on the rotating shafts, and the hollow shaft is suitable for sliding in the slide rail.
Alternatively, the bending test apparatus described above, the cylinder may have a plurality of different dimensions.
Optionally, in the bending test device, the rotating shaft is connected with a crank, and the cylinder is driven to rotate by rotating the crank.
Alternatively, in the bending test device, one end of the flexible photovoltaic module is connected to the lower end of the cylinder through a fixing block.
Optionally, in the bending test device, the load mechanism includes a pulley and a load, and the load bypasses the pulley through a connecting rope and is fixedly connected with the flexible photovoltaic module.
Optionally, in the bending test device, a limiting pressing strip is arranged above the flexible photovoltaic module, and at least one end of the limiting pressing strip is clamped on the fixing support.
Optionally, in the bending test device, a power supply capable of adjusting the current is further arranged around the fixing support, and the power supply is electrically connected with the flexible photovoltaic module.
The one or more technical schemes provided by the utility model at least have the following beneficial effects:
the bending test device provided by the utility model is used for bending test of a flexible photovoltaic module and comprises a fixed bracket, a crimping mechanism and a loading mechanism; a working table surface is arranged on the fixed support and is used for placing the flexible photovoltaic module; the curling mechanism is arranged at one end of the fixed bracket, the curling mechanism comprises a cylinder which is detachably connected, and the lower end of the cylinder and the workbench surface are positioned at the same height; the load mechanism is arranged at the other end of the fixed bracket far away from the curling mechanism; and two ends of the flexible photovoltaic module along the length direction are fixedly connected with the load mechanism and the cylinder respectively. The bending test device can realize bending tests of different flexible photovoltaic modules and different curvature radius test requirements; the preparation process is simple, the cost is low, the bending test is matched with the actual working condition of the flexible photovoltaic module, and the bending characteristic of the flexible photovoltaic module can be checked more accurately.
Drawings
Further details, features and advantages of the utility model are disclosed in the following description of exemplary embodiments with reference to the following drawings, in which:
FIG. 1 is an overall schematic diagram of a bending test apparatus according to the present embodiment;
FIG. 2 is a front view of a fixing bracket and a crimping mechanism of a bending test apparatus according to the present embodiment;
FIG. 3 is a top view of a fixing bracket and a crimping mechanism of a bending test apparatus according to the present embodiment;
fig. 4 is a side view of a fixing bracket and a crimping mechanism of a bending test device according to the present embodiment.
Reference numerals illustrate:
1-fixing a bracket; a 2-crimping mechanism; 21-a cylinder; 22-a cross beam; 23-crank; 3-a load mechanism; 31-pulleys; 32-loading;
33-connecting ropes; 4-a flexible photovoltaic module; 5-a fixed block; and 6, a limit pressing bar.
Detailed Description
Embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the utility model is susceptible of embodiment in the drawings, it is to be understood that the utility model may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the utility model. It should be understood that the drawings and embodiments of the utility model are for illustration purposes only and are not intended to limit the scope of the present utility model.
It should be understood that the various steps recited in the method embodiments of the present utility model may be performed in a different order and/or performed in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the utility model is not limited in this respect.
The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments. Related definitions of other terms will be given in the description below. It should be noted that the terms "first," "second," and the like herein are merely used for distinguishing between different devices, modules, or units and not for limiting the order or interdependence of the functions performed by such devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those skilled in the art will appreciate that "one or more" is intended to be construed as "one or more" unless the context clearly indicates otherwise.
The names of messages or information interacted between the devices in the embodiments of the present utility model are for illustrative purposes only and are not intended to limit the scope of such messages or information.
Example 1
The utility model relates to the technical field of photovoltaic module detection, in particular to a bending test device. The following describes aspects of the utility model with reference to the drawings.
Fig. 1 is an overall schematic diagram of a bending test apparatus provided in this embodiment, fig. 2 is a front view of a fixing bracket and a crimping mechanism of the bending test apparatus provided in this embodiment, fig. 3 is a top view of the fixing bracket and the crimping mechanism of the bending test apparatus provided in this embodiment, and fig. 4 is a side view of the fixing bracket and the crimping mechanism of the bending test apparatus provided in this embodiment.
As shown in fig. 1-4, the present utility model proposes a bending test apparatus for bending test of a flexible photovoltaic module 4, comprising: a fixed bracket 1, a curling mechanism 2 and a loading mechanism 3.
Wherein, the fixed bracket 1 (the size is 3000 x 2000 x 1000 mm) is provided with a working table surface, and the working table surface is used for placing the flexible photovoltaic module 4; the fixed support 1 is of a frame type structure, and rollers can be arranged at the bottom of the frame type support, so that the bending test device can be moved and transported conveniently.
The crimping mechanism 2 is arranged at one end of the fixed bracket 1, a cylinder 21 which is detachably connected is arranged on the crimping mechanism 2, and the lower end of the cylinder 21 and the flexible photovoltaic module 4 are positioned at the same height; the frame of the crimping mechanism 2 can be arranged independently or can be arranged as an integral structure with the fixed bracket 1; as shown in fig. 1, a cross beam 22 is arranged in the crimping mechanism 2, a hollow shaft is sleeved at both axial ends of the cylinder 21 at the position of the crimping mechanism 2, the hollow shaft is hoisted on the cross beam 22 above the crimping mechanism 2, and the distance between the cylinder 21 and the workbench surface can be adjusted.
In some exemplary embodiments, a plurality of bayonets with different heights are arranged on the upright posts on two sides of the frame of the crimping mechanism 2 along the vertical direction, the hollow shafts are sleeved at two axial ends of the cylinder 21, the hollow shafts are fixed on the bayonets with different heights according to actual requirements, the lowest end of the cylinder 21 and the photovoltaic module on the working table are ensured to be positioned on the same horizontal plane, and the photovoltaic module can be conveniently and fixedly connected to the lower end of the cylinder 21.
In some exemplary embodiments, sliding rails are provided on the upright posts at both sides of the frame in the vertical direction, both ends of the cylinder can slide in the sliding rails, the hollow shafts are sleeved at both axial ends of the cylinder 21, and the hollow shafts are fixed on the upright posts at both sides of the frame of the curling mechanism by bolts after the cylinder is adjusted to a proper position; through fixing the hollow shaft, the cylinder cannot shake in the process of curling the flexible photovoltaic module by the cylinder, and meanwhile, the curling test is normally carried out.
The weight mechanism 3 is arranged at the other end of the fixed bracket 1 far from the curling mechanism 2; the flexible photovoltaic module 4 is fixedly connected to the load mechanism 3 and the cylinder 21 at both ends in the longitudinal direction.
Through the bending test device, one end of the flexible photovoltaic module 4 is connected with the load mechanism 3, the other end of the flexible photovoltaic module 4 is connected with the detachable cylinder 21, and the flexible photovoltaic module 4 is curled on the surface of the cylinder 21, so that the purpose of testing the bending performance of the flexible photovoltaic module is achieved, and the curling mechanism is simple in structure. The lower end of the cylinder 21 and the flexible photovoltaic module 4 are positioned on the same horizontal plane, so that the flexible photovoltaic module is not bent before the test starts, and the bending test is ensured to simulate the actual application scene more truly.
In some exemplary embodiments, the bending test device may include a plurality of cylinders 21 having different sizes. Cylinder 21 has a diameter of 10 to 100mm, and cylinder 21 is rotatable clockwise and counterclockwise. Cylinders of different diameters are selected for bending tests according to the requirements of the actual flexible photovoltaic module manufacturer and end customers.
In some exemplary embodiments, the bending test device is provided with a crank 23 in an axial direction of the cylinder 21, and the crank 23 is rotated to rotate the cylinder 21, so as to bend the flexible photovoltaic module 4 on the cylinder. The rotation of the cylinder 21 is manually controlled by the crank 23, so that the cost is low, the control method is simple, and the required bending performance test can be realized.
In some exemplary embodiments, the bending test device may have one end of the flexible photovoltaic module 4 connected to a lower end of the cylinder 21 through a fixing block 5. Specifically, the axial length of the cylinder is equal to the width of the flexible photovoltaic module, and when one end of the flexible photovoltaic module is fixed to the lower end face of the cylinder, two side edges of one end of the flexible photovoltaic module are fixed to two side edges of the lower end of the cylinder through fixing blocks. The fixing block 5 is sized and shaped to fix the end face of the flexible photovoltaic module with the lower end of the cylinder, for example, a circular arc-shaped clamping interface is arranged on the fixing block to clamp and fix the end face of the photovoltaic module with the lower end of the circular arc-shaped cylinder.
In some exemplary embodiments, the bending test apparatus includes the load mechanism 3 including a pulley 31, a load 32, and a connection string 33, and the load 32 is fixedly connected to the flexible photovoltaic module 4 through the connection string 33 while bypassing the pulley 31. In the bending test process, the flexible photovoltaic module is kept to be always kept at a certain tension through the load mechanism, and the flexible photovoltaic module which is not bent through the cylinder is in a horizontal state under the action of the tension. The weight bearing mechanisms 3 are provided with a plurality of groups, each group is provided with a pulley, a connecting rope and a weight, and the uniformity of stress on the end face of the flexible photovoltaic module, which is far away from the cylinder, is ensured when the flexible photovoltaic module is connected with the end face of the flexible photovoltaic module through the plurality of groups of weight bearing mechanisms.
In some exemplary embodiments, a limiting bead 6 is disposed above the flexible photovoltaic module 4, and at least one of two ends of the limiting bead 6 is clamped on a side surface of the fixing bracket 1. The number of the limit pressing strips 6 can be increased or decreased according to the length of the flexible photovoltaic module 4, and two limit pressing strips are generally arranged. The limiting pressing strips 6 extend along the axial direction of the cylinder 21, and clamping structures are arranged at two ends of the limiting pressing strips 6, namely the limiting pressing strips 6 are clamped to the side face of the fixed support 1 through the clamping structures. The limiting press bar 6 only limits the movement of the flexible photovoltaic module 4 in the vertical direction, but does not limit the movement of the photovoltaic module in the horizontal direction under the driving of the crimping action of the cylinder.
In some exemplary embodiments, the bending test device further includes a power source capable of adjusting a current level around the fixing support 1, and the power source is electrically connected to the flexible photovoltaic module 4 when the crimping mechanism 2 is in operation, and in this embodiment, the power source is connected to a connector terminal (positive and negative electrode) of the flexible photovoltaic module, so as to monitor current continuity of the flexible photovoltaic module during bending test.
The bending test device can realize bending tests of different flexible photovoltaic modules and different curvature radius test requirements; the preparation process is simple, the cost is low, the bending test is matched with the actual working condition of the flexible photovoltaic module, and the bending characteristic of the flexible photovoltaic module can be checked more accurately.
The using method of the bending test device comprises the following steps:
1) Before a bending test starts, selecting a cylinder with a specific diameter according to test requirements, then installing the cylinder on a fixed bracket, and adjusting the upper and lower positions of the cylinder so that the lowest end point of the cylinder and a flexible photovoltaic module to be placed are at the same horizontal height; the flexible photovoltaic module is placed in the length direction and is placed on a workbench surface, and the position of the flexible photovoltaic module is limited on a horizontal plane by using a plurality of limiting press strips; one end of the flexible photovoltaic module is fixed on the lower end of the cylinder through a fixed pressing block, the other end of the flexible photovoltaic module is connected with the weight through a pulley (the weight is placed on the ground at the moment, the connecting rope is in a straightening state, no force is applied on the flexible photovoltaic module), and small current is conducted on the flexible photovoltaic module.
2) After the preparation work is finished, a test is started, a crank is used for rotating the cylinder anticlockwise at a constant speed, the flexible photovoltaic module moves towards the direction of the cylinder and starts to bend on the cylinder, and at the moment, the other end of the flexible photovoltaic module enables the height of the weight to rise through a pulley; after the flexible photovoltaic module is bent on the cylinder for one circle, stopping the rotation of the cylinder; then the crank is loosened, and the weight starts to descend under the action of gravity to drive the flexible photovoltaic module to move in the direction away from the cylinder; the cylinder rotates clockwise, the flexible photovoltaic module bent on the cylinder is unfolded, the final position returns to the state before the initial bending, and the steps are repeated for 25 times or more.
The above description is only illustrative of some embodiments of the utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the disclosure referred to in the present utility model is not limited to the specific combinations of technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the spirit of the disclosure. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. A bending test device is used for bending test of a flexible photovoltaic module and is characterized by comprising,
the fixing support is provided with a working table surface which is used for placing the flexible photovoltaic module;
the crimping mechanism is arranged at one end of the fixed bracket and comprises a cylinder which is detachably connected, and the lower end of the cylinder and the workbench surface are positioned at the same height;
the load mechanism is arranged at the other end of the fixed bracket far away from the crimping mechanism;
and two ends of the flexible photovoltaic module in the length direction are fixedly connected with the load mechanism and the cylinder respectively.
2. The bending test device according to claim 1, wherein the crimping mechanism comprises a cross beam, the cross beam is arranged above the cylinder, two ends of the cylinder are connected with rotating shafts, a hollow shaft is sleeved on the rotating shafts, and the hollow shaft is hoisted to the cross beam.
3. The bending test device according to claim 1, wherein the crimping mechanism comprises a stand column, a bayonet is arranged on the stand column along the vertical direction, two ends of the cylinder are connected with rotating shafts, a hollow shaft is sleeved on the rotating shafts, and the hollow shaft is clamped on the bayonet.
4. The bending test device according to claim 1, wherein the crimping mechanism comprises a stand column, a slide rail is arranged on the stand column along the vertical direction, two ends of the cylinder are connected with rotating shafts, a hollow shaft is sleeved on the rotating shafts, and the hollow shaft is suitable for sliding in the slide rail.
5. The bend testing apparatus of any one of claims 2-4, wherein the cylinder has a plurality of different dimensions.
6. The bending test device according to any one of claims 2-4, wherein a crank is connected to the rotating shaft, and the cylinder is rotated by rotating the crank.
7. The bending test device according to any one of claims 2-4, wherein one end of the flexible photovoltaic module is connected to the lower end of the cylinder by a fixed block.
8. The bending test device according to any one of claims 2-4, wherein the weight-bearing mechanism comprises a pulley, a connecting rope and a weight, one end of the weight is connected with one end of the connecting rope, and the other end of the connecting rope bypasses the pulley and is fixedly connected with the flexible photovoltaic module.
9. The bending test device according to any one of claims 2-4, wherein a limiting bead is arranged above the flexible photovoltaic module, and at least one end of the limiting bead is clamped on the fixing support.
10. The bending test device according to any one of claims 2-4, wherein a power supply capable of adjusting the current is further arranged around the fixing support, and the power supply is electrically connected with the flexible photovoltaic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320465887.6U CN220063696U (en) | 2023-03-13 | 2023-03-13 | Bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320465887.6U CN220063696U (en) | 2023-03-13 | 2023-03-13 | Bending test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220063696U true CN220063696U (en) | 2023-11-21 |
Family
ID=88766334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320465887.6U Active CN220063696U (en) | 2023-03-13 | 2023-03-13 | Bending test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220063696U (en) |
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2023
- 2023-03-13 CN CN202320465887.6U patent/CN220063696U/en active Active
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