CN219760965U - Building outer wall photovoltaic module thermoelectric performance test box based on mechanical ventilation - Google Patents
Building outer wall photovoltaic module thermoelectric performance test box based on mechanical ventilation Download PDFInfo
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- CN219760965U CN219760965U CN202321765217.2U CN202321765217U CN219760965U CN 219760965 U CN219760965 U CN 219760965U CN 202321765217 U CN202321765217 U CN 202321765217U CN 219760965 U CN219760965 U CN 219760965U
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- 238000005399 mechanical ventilation Methods 0.000 title claims abstract description 36
- 238000011056 performance test Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 71
- 238000009423 ventilation Methods 0.000 claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 5
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 238000013480 data collection Methods 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000010998 test method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model discloses a mechanical ventilation building outer wall photovoltaic module thermoelectric performance test box, which belongs to the technical field of photoelectric buildings and comprises a test box body, an adjustable support unit, a ventilation unit, a test and data processing unit and a load unit, wherein the test box is adopted to simulate building envelope conditions, adjustable photovoltaic supports with different orientations are arranged, the mechanical ventilation building outer wall photovoltaic module thermoelectric performance test box is suitable for photovoltaic modules with different sizes, and meanwhile, the distance between a photovoltaic module and a wall body is adjustable; a mechanical ventilation device is arranged in a ventilation channel formed by the photovoltaic module and the wall body, and the influence of mechanical ventilation on the temperature and the power generation performance of the photovoltaic system of the outer wall of the building is tested; meanwhile, the use conditions of the photovoltaic module in a high-rise building are simulated, the influence of the building on the photovoltaic system is comprehensively considered, the accuracy of the performance prediction of the photovoltaic system of the building outer wall is improved, the ventilation and heat dissipation design of the system can be adjusted according to the test result, and the energy saving performance and the operation reliability of the actual engineering are further improved.
Description
Technical Field
The utility model relates to the technical field of photoelectric buildings, in particular to a mechanical ventilation-based thermoelectric performance test box for a building outer wall photovoltaic module, which is used for testing the photovoltaic temperature characteristic and the power generation characteristic of the building outer wall.
Background
The photovoltaic is an important way for reducing the energy consumption of the building and promoting the green and low-carbon development of the building field, however, high-rise buildings in China are most, compared with a roof, the outer wall is an important direction for photovoltaic technology application, the system can generate heat energy when generating electricity, the heat dissipation space of the photovoltaic component of the outer wall of the building is limited, the photovoltaic component is at an excessively high working temperature when the heat dissipation is poor, the power generation efficiency can be reduced, meanwhile, the safety and the stability of an outer wall heat insulation material can be influenced, certain potential safety hazards exist, the working temperature of the photovoltaic component can be reduced by adopting mechanical ventilation, and the mechanical ventilation effect is difficult to determine. Therefore, the temperature characteristic and the power generation performance of the building photovoltaic module under the mechanical ventilation condition are tested, and the method has important significance for safe and reliable operation of the building photovoltaic system.
At present, the test of the photovoltaic module in China is mature, for example, GB/T9513-1998 on the design, identification and shaping of crystalline silicon photovoltaic modules for the ground provides a test method for the performance, the temperature coefficient and the rated working temperature of the crystalline silicon photovoltaic module for the ground under the standard test condition, but the test system for the thermoelectric performance of the photovoltaic product of the building is not formed in China, and the test device and the test method for the photovoltaic product of the outer wall of the building under the mechanical ventilation condition are not provided.
Disclosure of Invention
The utility model aims to provide a mechanical ventilation-based building outer wall photovoltaic module thermoelectric performance test box, which solves the problems in the prior art, can simulate the actual operation conditions of a photovoltaic module, test the thermoelectric performance of a building photovoltaic product and improve the safety and reliability of a system in actual engineering.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a building outer wall photovoltaic module thermoelectric performance test box based on mechanical ventilation, which comprises
The periphery of the test box body is covered by a graphite polyphenyl board; and
the adjustable support units are respectively positioned on different vertical surfaces around the test box body and are used for testing thermoelectric properties of the photovoltaic module in different directions; the adjustable support unit comprises a photovoltaic module, a photovoltaic support and a sealing curtain, wherein the photovoltaic module is positioned on the photovoltaic support; the photovoltaic bracket can be adjusted according to the size of the photovoltaic module to be tested; the sealing curtain is connected with the back surface of the photovoltaic module and moves along with the photovoltaic module, and a ventilation flow channel is formed between the sealing curtain and the outer surface of the test box body; and
the ventilation unit is used for adjusting the air quantity and the air speed in the ventilation flow channel; and
the test and data acquisition unit comprises an environment parameter test module, a photovoltaic system parameter test module and a data acquisition processing module; and
the load unit is arranged in a box body, and a direct current combiner box, an inverter, a charge-discharge controller, a storage battery and a load are arranged in the box body.
Preferably, the periphery, the bottom surface and the top surface of the test box body are covered by a graphite polyphenyl plate with the thickness of 100 mm; meanwhile, a user can add a heat-insulating material on the inner side of the test box body according to the heat transfer coefficient requirement of an actual wall body.
Preferably, the type of the photovoltaic module is a crystalline silicon solar cell or a thin film solar cell.
Preferably, the sealing curtain is made of a foldable material, and forms a ventilation flow channel with the outer surface of the test box body and the back surface of the photovoltaic module along with the movement of the photovoltaic bracket.
Preferably, a telescopic sliding rail is arranged at the bottom of the photovoltaic bracket, and the photovoltaic bracket can perform telescopic movement along the telescopic sliding rail; the moving distance of the telescopic sliding rail can be manually adjusted, and the adjustable range is 0-50cm.
Preferably, the ventilation unit comprises a mechanical ventilation grille, a fan, an adjustable air supply outlet and an automatic adjusting button, wherein the fan is fixed at the top of the test box body, the mechanical ventilation grille is fixed at the upper vent and the lower vent of the photovoltaic support, the air outlet side of the fan is connected with the ventilation flow channel through the adjustable air supply outlet, and the automatic adjusting button is used for adjusting the air quantity and the air speed at the adjustable air supply outlet.
Preferably, the environmental parameter testing module comprises a solar radiometer, a hot wire anemometer and an anemometer, wherein the solar radiometer, the hot wire anemometer and the anemometer are fixed on the photovoltaic bracket, and the inclination angle of the solar radiometer is the same as that of the photovoltaic module; the photovoltaic system parameter testing module comprises an electric power meter, a plurality of temperature sensors and a plurality of miniature anemometers; the data acquisition processing module comprises a data acquisition device.
Preferably, a plurality of temperature sensors are respectively arranged on the inner surface and the outer surface of the photovoltaic module at intervals, and a plurality of micro anemometers are arranged in the ventilation flow channel; the data collected by the testing and data collecting unit are transmitted to the data collector, and the data collector is used for collecting and analyzing parameters tested by the environmental parameter testing module and the photovoltaic system parameter testing module and analyzing and recording the data.
Compared with the prior art, the utility model has the following beneficial technical effects:
the mechanical ventilation building outer wall photovoltaic module thermoelectric performance test box comprises a test box body, an adjustable support unit, a ventilation unit, a test and data processing unit and a load unit, is simple in structure, adopts the test box to simulate building envelope conditions, is provided with adjustable photovoltaic supports with different orientations, is suitable for photovoltaic modules with different sizes, and is adjustable in distance between a photovoltaic module and a wall body; and a mechanical ventilation device is arranged in a ventilation channel formed by the photovoltaic module and the wall body, and the influence of mechanical ventilation on the temperature and the power generation performance of the photovoltaic system of the building outer wall is tested. The device is suitable for various assembly types and ventilation and heat dissipation modes, and the testing device is simplified. Meanwhile, the use condition of the photovoltaic module in the high-rise building is simulated, compared with the existing test method, the influence of the building on the photovoltaic system is comprehensively considered, the accuracy of the performance prediction of the photovoltaic system of the building outer wall is improved, the ventilation and heat dissipation design of the system can be adjusted according to the test result, and the energy saving performance and the operation reliability of the actual engineering are further improved.
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 diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the construction of the adjustable photovoltaic bracket unit of the present utility model;
FIG. 3 is a schematic view of the placement of the ventilation unit and test and data acquisition unit of the present utility model;
FIG. 4 is a flow chart of the system of the present utility model;
1, a test box body; 2. an adjustable stand unit; 2-1, a photovoltaic module; 2-2, photovoltaic brackets; 2-3, a sealing curtain; 2-4, a telescopic sliding rail; 3. a ventilation unit; 3-1, a mechanical ventilation grille; 3-2, a fan; 3-3, an adjustable air supply outlet; 3-4, automatically adjusting the button; 4. a test and data processing unit; 4-1, a solar radiometer; 4-2, a hot wire anemometer; 4-3, anemorumbometers; 4-7, a data acquisition unit; 5. a load unit; 5-1, a direct current combiner box; 5-2, an inverter; 5-3, a storage battery; 5-4, a charge-discharge controller; 5-5, loading.
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.
The utility model aims to provide a mechanical ventilation-based building outer wall photovoltaic module thermoelectric performance test box which simulates mechanical ventilation conditions, tests thermoelectric performance of building photovoltaic products, can also adjust system design according to test results, and further improves energy saving performance and operation reliability of actual engineering. The device can simulate the actual running condition of the building outer wall photovoltaic system, measures the working temperature and the power generation performance of the photovoltaic module of the building outer wall photovoltaic system based on mechanical ventilation under different orientations and solar irradiation, and provides test data support for the mechanical ventilation design of the photovoltaic module applied to the outer wall.
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.
As shown in FIGS. 1-4, the utility model provides a mechanical ventilation-based building exterior wall photovoltaic module thermoelectric performance test box, which comprises
The test box body 1, the periphery of the test box body 1 is covered by a graphite polyphenyl board; and
the adjustable support units 2 are respectively positioned on different vertical surfaces around the test box body 1, and the adjustable support units 2 are used for testing thermoelectric properties of the photovoltaic module 2-1 in different directions; the adjustable support unit 2 comprises a photovoltaic module 2-1, a photovoltaic support 2-2, a sealing curtain 2-3 and a telescopic sliding rail 2-4. The photovoltaic module 2-1 is positioned on the photovoltaic bracket 2-2; the photovoltaic support 2-2 can be adjusted according to the size of the photovoltaic module 2-1 to be tested, the size of the photovoltaic support 2-2 can be adjusted, and the distance between the support and the outer surface of the test box body 1 can be adjusted through the translation mechanism by the support main body. The sealing curtain 2-3 is connected with the back surface of the photovoltaic module 2-1 and moves along with the sealing curtain to form a ventilation flow channel with the surface of the test box body 1; and
the ventilation unit 3 is used for adjusting the air quantity and the air speed in the ventilation flow channel; and
the test and data processing unit 4, the test and data acquisition unit 4 comprises an environmental parameter test module, a photovoltaic system parameter test module and a data acquisition processing module; and
the load unit 5, the load unit 5 is set up in a box, put direct current and converge the box 5-1, inverter 5-2, charge-discharge controller 5-4, battery 5-3 and load 5-5 in the box; the simulation test of the grid-connected condition is realized by externally arranging the energy consumption load 5-5 for the off-line building photovoltaic module 2-1 test system and providing the whole set of grid-connected equipment.
In one embodiment, the periphery, the bottom surface and the top surface of the test box body 1 are covered by a 100mm graphite polystyrene board; meanwhile, a user can add a heat insulation material on the inner side of the test box body 1 according to the heat transfer coefficient requirement of an actual wall body.
In one embodiment, the photovoltaic module 2-1 is of the crystalline silicon type or of the thin film type.
In one embodiment, the sealing curtain 2-3 is made of a foldable material, and the sealing curtain 2-3 forms a ventilation flow channel with the movement of the photovoltaic bracket 2-2 and the outer surface of the test box body 1 and the back surface of the photovoltaic module 2-1.
In one embodiment, the bottom of the photovoltaic bracket 2-2 is provided with a telescopic slide rail 2-4, and the photovoltaic bracket 2-2 can move in a telescopic way along the telescopic slide rail 2-4; the moving distance of the telescopic slide rail 2-4 can be manually adjusted, and the adjustable range is 0-50cm.
In one embodiment, the ventilation unit 3 comprises a mechanical ventilation grille 3-1, a fan 3-2, an adjustable air supply opening 3-3 and an automatic adjusting button, wherein the fan 3-2 is fixed at the top of the test box body 1, the mechanical ventilation grille 3-1 is fixed at the upper and lower ventilation openings of the photovoltaic bracket 2-2, the air outlet side of the fan 3-2 is connected with a ventilation runner through the adjustable air supply opening 3-3, and the automatic adjusting button is used for adjusting the air quantity and the air speed at the adjustable air supply opening 3-3.
In one embodiment, the environmental parameter testing module comprises a solar radiometer 4-1, a hot wire anemometer 4-2 and an anemometer 4-3 which are fixed on a photovoltaic bracket 2-2 and have the same inclination angle as the placement of the photovoltaic module 2-1; the photovoltaic system parameter testing module comprises an electric power meter, a plurality of temperature sensors and a plurality of miniature anemometers; the data acquisition processing module comprises data collectors 4-7.
The temperature sensors are respectively arranged on the inner surface and the outer surface of the photovoltaic module 2-1 at intervals, and the micro anemometers are arranged in the ventilation flow channels; the data collected by the testing and data collecting unit are transmitted to the data collector 4-7, and the data collector 4-7 is used for collecting and analyzing parameters tested by the environmental parameter testing module and the photovoltaic system parameter testing module and analyzing and recording the data.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. Building outer wall photovoltaic module thermoelectric performance test box based on mechanical ventilation, its characterized in that: comprising
The periphery of the test box body is covered by a graphite polyphenyl board; and
the adjustable support units are respectively positioned on different vertical surfaces around the test box body and are used for testing thermoelectric properties of the photovoltaic module in different directions; the adjustable support unit comprises a photovoltaic module, a photovoltaic support and a sealing curtain, wherein the photovoltaic module is positioned on the photovoltaic support; the photovoltaic bracket can be adjusted according to the size of the photovoltaic module to be tested; the sealing curtain is connected with the back surface of the photovoltaic module and moves along with the photovoltaic module, and a ventilation flow channel is formed between the sealing curtain and the outer surface of the test box body; and
the ventilation unit is used for adjusting the air quantity and the air speed in the ventilation flow channel; and
the test and data acquisition unit comprises an environment parameter test module, a photovoltaic system parameter test module and a data acquisition processing module; and
the load unit is arranged in a box body, and a direct current combiner box, an inverter, a charge-discharge controller, a storage battery and a load are arranged in the box body.
2. The mechanical ventilation-based building exterior wall photovoltaic module thermoelectric performance test box according to claim 1, wherein: the periphery, the bottom surface and the top surface of the test box body are covered by graphite polyphenyl boards with the thickness of 100 mm.
3. The mechanical ventilation-based building exterior wall photovoltaic module thermoelectric performance test box according to claim 1, wherein: the photovoltaic module is of a crystalline silicon solar cell or a thin film solar cell.
4. The mechanical ventilation-based building exterior wall photovoltaic module thermoelectric performance test box according to claim 1, wherein: the sealing curtain is made of foldable materials, and forms a ventilation flow passage with the outer surface of the test box body and the back surface of the photovoltaic module along with the movement of the photovoltaic bracket.
5. The mechanical ventilation-based building exterior wall photovoltaic module thermoelectric performance test box according to claim 1, wherein: the bottom of the photovoltaic support is provided with a telescopic sliding rail, and the photovoltaic support can move in a telescopic manner along the telescopic sliding rail; the moving distance of the telescopic sliding rail can be manually adjusted, and the adjustable range is 0-50cm.
6. The mechanical ventilation-based building exterior wall photovoltaic module thermoelectric performance test box according to claim 1, wherein: the ventilation unit comprises a mechanical ventilation grille, a fan, an adjustable air supply outlet and an automatic adjusting button, wherein the fan is fixed at the top of the test box body, the mechanical ventilation grille is fixed at the upper vent and the lower vent of the photovoltaic support, the air outlet side of the fan is connected with the ventilation flow channel through the adjustable air supply outlet, and the automatic adjusting button is used for adjusting the air quantity and the air speed of the adjustable air supply outlet.
7. The mechanical ventilation-based building exterior wall photovoltaic module thermoelectric performance test box according to claim 1, wherein: the environment parameter testing module comprises a solar radiometer, a hot wire anemometer and an anemoscope, wherein the solar radiometer, the hot wire anemometer and the anemoscope are fixed on the photovoltaic bracket, and the inclination angle of the solar radiometer is the same as that of the photovoltaic module; the photovoltaic system parameter testing module comprises an electric power meter, a plurality of temperature sensors and a plurality of miniature anemometers; the data acquisition processing module comprises a data acquisition device.
8. The mechanical ventilation-based building exterior wall photovoltaic module thermoelectric performance test box according to claim 7, wherein: the temperature sensors are respectively arranged on the inner surface and the outer surface of the photovoltaic module at intervals, and the micro anemometers are arranged in the ventilation flow channels; the data collected by the test and data collection unit are transmitted to the data collector, and the data collector is used for analyzing and recording the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321765217.2U CN219760965U (en) | 2023-07-06 | 2023-07-06 | Building outer wall photovoltaic module thermoelectric performance test box based on mechanical ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321765217.2U CN219760965U (en) | 2023-07-06 | 2023-07-06 | Building outer wall photovoltaic module thermoelectric performance test box based on mechanical ventilation |
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| Publication Number | Publication Date |
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| CN219760965U true CN219760965U (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321765217.2U Active CN219760965U (en) | 2023-07-06 | 2023-07-06 | Building outer wall photovoltaic module thermoelectric performance test box based on mechanical ventilation |
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| Country | Link |
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| CN (1) | CN219760965U (en) |
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2023
- 2023-07-06 CN CN202321765217.2U patent/CN219760965U/en active Active
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