CN220553991U - Photovoltaic module high temperature mechanical load testing arrangement - Google Patents
Photovoltaic module high temperature mechanical load testing arrangement Download PDFInfo
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- CN220553991U CN220553991U CN202322227826.9U CN202322227826U CN220553991U CN 220553991 U CN220553991 U CN 220553991U CN 202322227826 U CN202322227826 U CN 202322227826U CN 220553991 U CN220553991 U CN 220553991U
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- 238000012360 testing method Methods 0.000 title claims abstract description 87
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 27
- 210000003850 cellular structure Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 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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Abstract
The utility model discloses a high-temperature mechanical load testing device of a photovoltaic module, which comprises: the high-temperature test room is internally provided with an air internal circulation mechanism and a first heating mechanism, and the first heating mechanism is arranged in the air internal circulation mechanism and can heat air; the support plate is arranged in the gap and fixedly connected with the inner surface of the support frame, the second heating mechanism is arranged on the support plate, and the second heating mechanism can heat the backboard of the photovoltaic module when the photovoltaic module is fixedly arranged on the upper surface of the support frame; the air cylinder is fixedly arranged on the top surface of the high-temperature test room, and the output end of the air cylinder faces the support frame; the high-temperature mechanical load test is carried out in the high-temperature test chamber, the high-temperature test chamber is provided with the air internal circulation mechanism and the first heating mechanism, the required temperature can be maintained in the high-temperature test chamber, the photovoltaic module is integrally heated, the mechanical load test can be carried out on the photovoltaic module under the condition of approaching the actual working condition temperature, and the detection result is more real and effective.
Description
Technical Field
The utility model relates to the field of performance test of photovoltaic modules, in particular to a high-temperature mechanical load test device of a photovoltaic module.
Background
The mechanical load test of the crystalline silicon photovoltaic cell component is divided into a static mechanical load test and a dynamic mechanical load test, and the test temperature environments of the static mechanical load test and the dynamic mechanical load test are normal temperature at present, however, when the photovoltaic cell component works outdoors, the photovoltaic cell component is influenced by sunlight irradiation and self-heating, the working temperature can reach more than 50 ℃, and the real working condition cannot be simulated by the mechanical load test at normal temperature.
For solving the technical problem, patent CN206178506U discloses a photovoltaic module heating device for mechanical load test, which makes the photovoltaic module to reach the working temperature and then carry out mechanical load test by arranging a heating box below the photovoltaic module, and the following defects exist:
1. according to the patent, the heating element is arranged in the heating box, a mounting gap between the heating element and the upper surface of the heating box is provided with the temperature sensor and the temperature controller, so that heat generated by the heating element cannot be directly supplied to the photovoltaic module, and the problem of heat loss caused by back plate heating exists.
2. The patent can only heat the back plate of the photovoltaic module, and the temperature sensor detects the temperature of the back plate, however, when the photovoltaic module actually works, the temperature of the front glass layer and the battery of the photovoltaic module is affected by sunlight irradiation and self heating, and the temperature of the front glass layer and the battery of the photovoltaic module is generally higher than that of the back plate, so that the back plate is heated and the temperature detection is not accurate, and the actual working condition of the photovoltaic module can not be accurately simulated and detected.
In view of this, how to provide a high-temperature mechanical load testing device for a photovoltaic module, which can solve the above technical problems in whole or in part, is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to provide a high-temperature mechanical load testing device for a photovoltaic module, which is used for solving the problems existing in the prior art, and can realize the integral heating of the photovoltaic module and avoid the heat loss of a back plate.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a high-temperature mechanical load testing device of a photovoltaic module, which can be fixedly arranged on the upper surface of a supporting frame and comprises the following components:
the high-temperature test room is internally provided with an air internal circulation mechanism and a first heating mechanism, and the first heating mechanism is arranged in the air internal circulation mechanism and can heat air;
the middle part of the support frame forms a gap, the support plate is arranged in the gap and is fixedly connected with the inner surface of the support frame, and the height of the support plate is lower than the upper surface of the support frame;
the second heating mechanism is arranged on the supporting plate, and can heat the backboard of the photovoltaic module when the photovoltaic module is fixedly arranged on the upper surface of the supporting frame;
the cylinder is fixedly arranged on the top surface of the high-temperature test room, and the output end of the cylinder faces the supporting frame.
Further, the air internal circulation mechanism includes:
the air inlets are formed in a plurality of ways and are formed in the inner side wall of the high-temperature test room, and the air inlets are close to the bottom surface of the high-temperature test room;
the air duct is arranged in the side wall of the high-temperature test room, an induced draft fan is arranged in the air duct, one end of the air duct is communicated with the air inlet, the other end of the air duct extends upwards and penetrates through the top surface of the high-temperature test room, and the first heating mechanism is arranged in the air duct;
the top surface of the high-temperature test room penetrates through the upper surface and the lower surface and is provided with a plurality of air outlets, the air outlets are communicated with the other end of the air duct, and the air outlets are arranged at intervals with the air cylinder.
Further, the high-temperature test room comprises a top cover, wherein the top cover is arranged on the upper edge of the top surface of the high-temperature test room in a covering mode, and a cavity is formed between the top cover and the top surface of the high-temperature test room.
Further, the first heating mechanism is an air heater.
Further, the second heating mechanism includes:
the oil tank is filled with heat conduction oil, and an electric heating element is arranged in the oil tank;
the heat conduction hose is coiled and arranged on the supporting plate, the oil inlet end and the oil outlet end of the heat conduction hose penetrate through the supporting plate and are communicated with the oil tank below the supporting plate, and the heat conduction hose is provided with an oil pump close to the oil inlet end of the heat conduction hose.
Further, the outer diameter of the heat conducting hose is larger than or equal to the vertical distance between the supporting plate and the upper surface of the supporting frame.
Further, the photovoltaic module comprises a temperature sensor, wherein a plurality of wiring holes are formed in the upper surface and the lower surface of the supporting plate in a penetrating mode, the wiring holes are arranged at intervals with the heat conducting hose, and an induction joint of the temperature sensor can extend into the wiring holes and is connected with a backboard of the photovoltaic module.
The utility model discloses the following technical effects:
1. the high-temperature mechanical load test is carried out in the high-temperature test chamber, the high-temperature test chamber is provided with the air internal circulation mechanism and the first heating mechanism, the required temperature can be maintained in the high-temperature test chamber, the photovoltaic module is integrally heated, the mechanical load test can be carried out on the photovoltaic module under the condition of approaching the actual working condition temperature, and the detection result is more real and effective.
2. The second heating mechanism can be used for rapidly heating the backboard, and the photovoltaic module can be heated in an auxiliary mode at the initial stage of sending the photovoltaic module into the high-temperature test chamber, so that the photovoltaic module can rapidly reach the preset temperature.
3. The internal circulation mechanism adopts bottom air inlet, and the mode of top air-out heats the air in the high temperature test room after the heating, can replace the air in the high temperature test room into hot air fast, further improves photovoltaic module's heating rate.
4. The second heating mechanism adopts the heat conduction hose to combine the conduction oil to heat the photovoltaic module backplate, the external diameter of heat conduction hose is greater than or equal to the backup pad with perpendicular distance between the support frame upper surface, consequently when photovoltaic module installs at the support frame upper surface, photovoltaic module backplate and heat conduction hose can direct contact, have avoided the problem of heat loss. Meanwhile, wiring holes are formed in the supporting plate and spaced from the heat conducting hose, the temperature sensor can be arranged outside the supporting plate and inserted into the induction joint through the wiring holes to detect the temperature of the backboard, and the installation space of the temperature sensor is saved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the external structure of a high temperature test room according to the present utility model;
FIG. 2 is a schematic view of the structure of the high temperature test room with a portion of the top cover removed;
FIG. 3 is a schematic view of the internal structure of a high temperature test room;
FIG. 4 is a schematic view of a support frame structure;
FIG. 5 is a schematic diagram of a heat conductive hose circuit;
FIG. 6 is a schematic diagram of an air duct structure;
1, a supporting frame; 2. a high-temperature test room; 3. a support plate; 4. a cylinder; 5. an air inlet; 6. an air duct; 7. an air outlet; 8. a top cover; 9. an air heater; 10. an oil tank; 11. a heat conducting hose; 12. an oil pump; 13. a wiring hole; 14. and (5) a draught fan.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 6, the present utility model provides a high temperature mechanical load testing device for a photovoltaic module, which can be fixedly installed on an upper surface of a supporting frame 1, comprising: the high-temperature test room 2 is internally provided with an air internal circulation mechanism and a first heating mechanism, and the first heating mechanism is arranged in the air internal circulation mechanism and can heat air; the middle part of the support frame 1 forms a gap, the support plate 3 is arranged in the gap and fixedly connected with the inner surface of the support frame 1, and the height of the support plate 3 is lower than the upper surface of the support frame 1; the second heating mechanism is arranged on the supporting plate 3, and can heat the backboard of the photovoltaic module when the photovoltaic module is fixedly arranged on the upper surface of the supporting frame 1; the cylinder 4, the fixed top surface middle part that sets up in high temperature test room 2 of cylinder 4, its output is towards support frame 1, is provided with the briquetting of applying the load to photovoltaic module on the output of cylinder 4.
As shown in fig. 2 and 3, the air internal circulation mechanism includes: the air inlets 5 are provided with 3 high-temperature test rooms 2, the side wall of one side of each high-temperature test room 2 is provided with a door body, the air inlets 5 are arranged on the side wall of the other three sides and the air inlets 5 are close to the bottom surface of each high-temperature test room 2; the air duct 6 is arranged in the side wall of the high-temperature test room 2, an induced draft fan 14 is arranged in the air duct 6, one end of the air duct 6 is communicated with the air inlet 5, the other end of the air duct extends upwards and penetrates through the top surface of the high-temperature test room 2, and the first heating mechanism is arranged in the air duct 6; the top surface of the high-temperature test room 2 penetrates through the upper surface and the lower surface, 4 air outlets 7 are respectively arranged near four corners of the top surface, and the air outlets 7 are communicated with the air cylinders 4 of the air outlets 7 at the other ends of the air channels 6.
As shown in fig. 1 and 2, the present embodiment further includes a top cover 8, where the top cover 8 covers the upper edge of the top surface of the high temperature test room 2, and a chamber is formed between the top cover 8 and the top surface of the high temperature test room 2. As shown in fig. 6, the first heating mechanism is an air heater 9.
As shown in fig. 3 to 5, the second heating mechanism includes: the oil tank 10, the oil tank 10 is filled with heat conduction oil, and an electric heating element is arranged in the oil tank 10; the heat conduction hose 11, heat conduction hose 11 dish locate on backup pad 3, and heat conduction hose 11's oil feed end and play oil end run through backup pad 3 and with the oil tank 10 that is located backup pad 3 below intercommunication, heat conduction hose 11 is provided with oil pump 12 near its oil feed end. The oil tank 10 and the electric heating piece can adopt the same electric heating piece with the domestic electric heater piece, can make heating oil reach 70-80 ℃, can satisfy photovoltaic module's heating requirement, and heat conduction hose 11 can adopt the PB pipe, and the PB pipe has good heat conductivility, and its material is soft, and the resistance to change is strong. Based on the characteristics of the heat conducting hose 11, the outer diameter of the heat conducting hose 11 is slightly larger than the vertical distance between the supporting plate 3 and the upper surface of the supporting frame 1, the heat conducting hose 11 can be slightly compressed after the photovoltaic module is mounted on the supporting frame 1, the flow of the heat conducting hose 11 is slightly reduced, the whole heat supply level cannot be influenced, but the back plate of the photovoltaic module can be in close contact with the heat conducting hose 11 through the arrangement, the heating efficiency is improved, and heat loss is avoided.
In this embodiment, the photovoltaic module further comprises a temperature sensor, wherein a plurality of wiring holes 13 are formed in the upper surface and the lower surface of the supporting plate 3 in a penetrating manner, the wiring holes 13 are arranged at intervals with the heat conducting hose 11, and an induction joint of the temperature sensor can extend into the wiring holes 13 and be connected with a backboard of the photovoltaic module. In addition, temperature sensor can also install in photovoltaic module's front, and mounted position needs to be close to photovoltaic module's outline, and briquetting presses temperature sensor when avoiding mechanical load test.
The specific working process is as follows:
and (3) installing the photovoltaic module on a support frame 1 in a high-temperature test room 2 at room temperature, and installing temperature sensors on the front and back of the photovoltaic module.
Starting draught fan 14, air heater 9, electrical heating spare and oil pump 12, the air in the high temperature test room 2 is heated by air heater 9 back from the top in to the high temperature test room 2, the air in the high temperature test room 2 rises to photovoltaic module's actual operating mode temperature gradually, heat conduction oil pipe and oil pump 12 are with the conduction oil drainage department after heating to the backplate heats the backplate, can make the temperature of backplate obviously rise in the short time, heat photovoltaic module with the hot-air synergism in the high temperature test room 2, when the temperature that temperature sensor that is located photovoltaic module front and back all accords with photovoltaic module's actual operating mode temperature, begin to carry out photovoltaic module high temperature mechanical load test.
The utility model discloses the following technical effects: the high-temperature mechanical load test is carried out in the high-temperature test chamber, the high-temperature test chamber is provided with the air internal circulation mechanism and the first heating mechanism, the required temperature can be maintained in the high-temperature test chamber, the photovoltaic module is integrally heated, the mechanical load test can be carried out on the photovoltaic module under the condition of approaching the actual working condition temperature, and the detection result is more real and effective. The second heating mechanism can be used for rapidly heating the backboard, and the photovoltaic module can be heated in an auxiliary mode at the initial stage of sending the photovoltaic module into the high-temperature test chamber, so that the photovoltaic module can rapidly reach the preset temperature. The internal circulation mechanism adopts bottom air inlet, and the mode of top air-out heats the air in the high temperature test room 2 after the heating, can replace the air in the high temperature test room 2 into hot air fast, further improves photovoltaic module's heating rate. The second heating mechanism adopts the heat conduction hose 11 to combine the conduction oil to heat the photovoltaic module backplate, and the external diameter of heat conduction hose 11 is greater than or equal to backup pad 3 with perpendicular distance between the 1 upper surface of support frame, consequently when photovoltaic module installs at 1 upper surface of support frame, photovoltaic module backplate and heat conduction hose 11 can direct contact, have avoided the problem of heat loss. Meanwhile, the wiring holes 13 are formed in the supporting plate 3 and spaced from the heat conducting hose 11, the temperature sensor can be arranged outside the supporting plate 3 and inserted into the induction joint through the wiring holes 13 to detect the temperature of the backboard, and the installation space of the temperature sensor is saved.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. Photovoltaic module high temperature mechanical load testing arrangement, photovoltaic module can fixed mounting at the upper surface of support frame (1), its characterized in that includes:
the high-temperature test room (2) is internally provided with an air internal circulation mechanism and a first heating mechanism, and the first heating mechanism is arranged in the air internal circulation mechanism and can heat air;
the middle part of the support frame (1) forms a gap, the support plate (3) is arranged in the gap and is fixedly connected with the inner surface of the support frame (1), and the height of the support plate (3) is lower than the upper surface of the support frame (1);
the second heating mechanism is arranged on the supporting plate (3), and can heat the backboard of the photovoltaic module when the photovoltaic module is fixedly arranged on the upper surface of the supporting frame (1);
the air cylinder (4), the air cylinder (4) is fixedly arranged on the top surface of the high-temperature test room (2), and the output end of the air cylinder faces the support frame (1).
2. The device for testing high-temperature mechanical loads of photovoltaic modules according to claim 1, wherein the air internal circulation mechanism comprises:
the air inlets (5) are formed in a plurality of ways and are formed in the inner side wall of the high-temperature test room (2), and the air inlets (5) are close to the bottom surface of the high-temperature test room (2);
the air duct (6) is arranged in the side wall of the high-temperature test room (2), an induced draft fan (14) is arranged in the air duct (6), one end of the air duct (6) is communicated with the air inlet (5), the other end of the air duct extends upwards and penetrates through the top surface of the high-temperature test room (2), and the first heating mechanism is arranged in the air duct (6);
the air outlet (7), the top surface of high temperature test room (2) is run through upper and lower surface and is provided with a plurality of air outlets (7), air outlet (7) with wind channel (6) other end intercommunication, air outlet (7) with cylinder (4) interval sets up.
3. The high-temperature mechanical load testing device of a photovoltaic module according to claim 2, further comprising a top cover (8), wherein the top cover (8) covers the upper edge of the top surface of the high-temperature testing room (2), and a cavity is formed between the top cover (8) and the top surface of the high-temperature testing room (2).
4. The high-temperature mechanical load testing device of a photovoltaic module according to claim 2, wherein the first heating mechanism is an air heater (9).
5. The photovoltaic module high temperature mechanical load testing device of claim 1, wherein the second heating mechanism comprises:
the oil tank (10), the oil tank (10) is filled with heat conduction oil, and an electric heating element is arranged in the oil tank (10);
the heat conduction hose (11), heat conduction hose (11) dish is located on backup pad (3), the oil feed end and the play oil end of heat conduction hose (11) run through backup pad (3) and with be located oil tank (10) below backup pad (3) communicate, heat conduction hose (11) are close to its oil feed end and are provided with oil pump (12).
6. The high-temperature mechanical load testing device for the photovoltaic module according to claim 5, wherein the outer diameter of the heat conducting hose (11) is larger than or equal to the vertical distance between the supporting plate (3) and the upper surface of the supporting frame (1).
7. The high-temperature mechanical load testing device for the photovoltaic module according to claim 5, further comprising a temperature sensor, wherein a plurality of wiring holes (13) are formed in the supporting plate (3) penetrating through the upper surface and the lower surface, the wiring holes (13) are arranged at intervals with the heat conducting hose (11), and an induction joint of the temperature sensor can extend into the wiring holes (13) and is connected with a backboard of the photovoltaic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322227826.9U CN220553991U (en) | 2023-08-18 | 2023-08-18 | Photovoltaic module high temperature mechanical load testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322227826.9U CN220553991U (en) | 2023-08-18 | 2023-08-18 | Photovoltaic module high temperature mechanical load testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220553991U true CN220553991U (en) | 2024-03-01 |
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ID=90007961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322227826.9U Active CN220553991U (en) | 2023-08-18 | 2023-08-18 | Photovoltaic module high temperature mechanical load testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220553991U (en) |
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2023
- 2023-08-18 CN CN202322227826.9U patent/CN220553991U/en active Active
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