CN221506470U - Uneven snow load test device of photovoltaic module - Google Patents
Uneven snow load test device of photovoltaic module Download PDFInfo
- Publication number
- CN221506470U CN221506470U CN202323117804.3U CN202323117804U CN221506470U CN 221506470 U CN221506470 U CN 221506470U CN 202323117804 U CN202323117804 U CN 202323117804U CN 221506470 U CN221506470 U CN 221506470U
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- photovoltaic module
- mounting frame
- snow load
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- frame
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 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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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a device for testing uneven snow load of a photovoltaic module, which comprises: a base; the photovoltaic module placing part is arranged on the base and used for obliquely placing the photovoltaic module; the pressing part is used for simulating the effect of a real snow load on the upper surface of the photovoltaic module; and a deformation sensor for detecting deformation of the photovoltaic module, wherein the photovoltaic module placing part comprises a mounting frame which is obliquely arranged and can rotate up and down, a photovoltaic module placing support and a frame rotation driving unit, the middle lower part of the bottom of the mounting frame is rotatably connected with the base, the photovoltaic module placing support is arranged at the inner bottom of the mounting frame, the frame rotation driving unit is arranged on the base and is connected with the middle upper part of the bottom of the mounting frame, the pressing part is positioned in the mounting frame and comprises a plurality of applying units which are sequentially arranged in the oblique direction of the mounting frame, and each pressing unit comprises a plurality of pressing parts which are sequentially arranged in the direction perpendicular to the oblique direction.
Description
Technical Field
The utility model belongs to the technical field of snow load tests of photovoltaic modules, and particularly relates to a device for testing uneven snow load of a photovoltaic module.
Background
The photovoltaic module is pollution-free and renewable, and is valued by people, and is developed and widely applied. In order to ensure the safety and quality of the photovoltaic module, it is necessary to test the photovoltaic module, wherein the static mechanical load test is to simulate the capability of the photovoltaic module to withstand static loads such as strong wind, strong snow or hail.
The existing photovoltaic module uneven snow load test device can only test the photovoltaic module under the condition of a certain fixed inclination angle, and different products have different inclination angles in the actual use process, rather than a single fixed angle. Therefore, the current photovoltaic module uneven snow load test device is difficult to meet the actual test requirement, and the practicality is not high.
Disclosure of utility model
The utility model aims to solve the technical problems, and aims to provide a photovoltaic module uneven snow load test device which can be suitable for testing different inclination angles.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a device for testing uneven snow load of a photovoltaic module, which has the characteristics that: a base; the photovoltaic module placing part is arranged on the base and used for obliquely placing the photovoltaic module; the pressing part is used for simulating the effect of a real snow load on the upper surface of the photovoltaic module; and a deformation sensor for detecting deformation of the photovoltaic module, wherein the photovoltaic module placing part comprises a mounting frame which is obliquely arranged and can rotate up and down, a photovoltaic module placing support for placing the photovoltaic module, and a frame rotation driving unit for driving the mounting frame to rotate up and down, the middle lower part of the bottom of the mounting frame is rotatably connected with the base, the photovoltaic module placing support is arranged at the inner bottom of the mounting frame, the frame rotation driving unit is arranged on the base and is connected with the middle upper part of the bottom of the mounting frame, the pressing part is positioned in the mounting frame and comprises a plurality of applying units which are sequentially arranged in the oblique direction of the mounting frame, and each pressing unit comprises a plurality of pressing parts which are sequentially arranged in the direction perpendicular to the oblique direction.
The device for testing the uneven snow load of the photovoltaic module provided by the utility model can also have the following characteristics: the frame rotation driving unit comprises a guide rail, a slide block, a supporting column and a slide block driving part, wherein the guide rail is vertically arranged, the slide block is slidably installed on the guide rail, the two end parts of the supporting column are respectively installed at the middle upper part of the bottom of the frame and are movably connected with the slide block, and the slide block driving part is connected with the slide block and is used for driving the slide block to lift on the guide rail.
The device for testing the uneven snow load of the photovoltaic module provided by the utility model can also have the following characteristics: the sliding block driving part is provided with a nut, a screw rod and a motor, wherein the nut and the screw rod are matched with each other, the nut is fixedly connected with the sliding block, one end part of the screw rod is movably arranged in the nut, and the other end part of the screw rod is connected with a rotating shaft of the motor.
The device for testing the uneven snow load of the photovoltaic module provided by the utility model can also have the following characteristics: wherein, the lower part of mounting frame bottom is equipped with the rotation axis of arranging along the direction that is perpendicular to incline direction, and the both ends of rotation axis are all rotatably installed on the base through the bearing.
The device for testing the uneven snow load of the photovoltaic module provided by the utility model can also have the following characteristics: the frame rotation driving unit is set as a main frame rotation driving unit, the photovoltaic module placing part further comprises an auxiliary frame rotation driving unit, the auxiliary frame rotation driving unit is located at the middle lower part of the bottom of the installation frame and comprises a motor, a driving wheel, a driven wheel and a transmission belt, the motor is arranged on the base, the driving wheel is arranged on a rotating shaft of the motor, the driven wheel is arranged on the rotating shaft, and the transmission belt is sleeved on the driving wheel and the driven wheel.
The device for testing the uneven snow load of the photovoltaic module provided by the utility model can also have the following characteristics: the pressing unit further comprises a plurality of hanging chains corresponding to the pressing parts one by one, the top of the mounting frame is provided with a plurality of sliding rails corresponding to the pressing units one by one and respectively arranged along the direction perpendicular to the inclined direction, one end part of each hanging chain is detachably connected with the corresponding pressing part, and the other end part of each hanging chain is slidably connected with the corresponding sliding rail.
The device for testing the uneven snow load of the photovoltaic module provided by the utility model can also have the following characteristics: the pressing component is provided with a pressing block and at least one balancing weight, the lower surface of the pressing block is used as a film to be attached to the upper surface of the photovoltaic module, the middle part of the upper surface of the pressing block is provided with a handle which is obliquely arranged, and the balancing weight is provided with a strip-shaped open slot matched with the handle.
The device for testing the uneven snow load of the photovoltaic module provided by the utility model can also have the following characteristics: wherein, the lower surface of the pressing block is provided with a wear-resistant layer.
The device for testing the uneven snow load of the photovoltaic module provided by the utility model can also have the following characteristics: wherein the inclination angle of the mounting frame is 30-60 degrees.
Effects and effects of the utility model
According to the photovoltaic module uneven snow load test device, as the middle lower part of the bottom of the installation frame is rotatably connected with the base, the frame rotary driving unit is connected with the middle upper part of the bottom of the installation frame, and the installation frame can be driven to perform vertical rotary motion relative to the base, so that the inclination angle of the device can be conveniently and rapidly adjusted, the test requirements of different products are met, and the practicability of the device is greatly improved.
Drawings
FIG. 1 is a front view of a photovoltaic module uneven snow load test apparatus in an embodiment of the utility model;
FIG. 2 is a side view of a photovoltaic module uneven snow load test apparatus in an embodiment of the utility model;
FIG. 3 is an enlarged view of a portion of the portion A of FIG. 2; and
Fig. 4 is a schematic perspective view of a pressing member in the embodiment of the present utility model.
Detailed Description
The conception, specific structure, and technical effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.
< Example >
FIG. 1 is a front view of a photovoltaic module uneven snow load test apparatus in an embodiment of the utility model; fig. 2 is a side view of a photovoltaic module uneven snow load test apparatus in an embodiment of the utility model.
As shown in fig. 1 and 2, in the present embodiment, the photovoltaic module uneven snow load test apparatus 100 includes a base 10, a photovoltaic module placing portion 20, a pressing portion 30, and a plurality of deformation sensors 40.
As shown in fig. 1 and 2, the base 10 is a rectangular profile frame for mounting the photovoltaic module placement portion 20, the pressing portion 30, and the deformation sensor 40. In the embodiment, the middle and front parts of the two sides of the base 10 are respectively provided with a stand column 11; the four corners of the bottom of the base 10 are respectively provided with universal wheels 12.
Fig. 3 is a partial enlarged view of the portion a in fig. 2.
As shown in fig. 1 to 3, the photovoltaic module placement part 20 is mounted on two columns 11 of the base 10 for obliquely placing the photovoltaic module 500. The photovoltaic module placement unit 20 includes a mounting frame 21, a photovoltaic module placement bracket 22, a main frame rotation driving unit 23, and a sub frame rotation driving unit 24.
The mounting frame 21 is a rectangular parallelepiped section frame, is obliquely arranged and rotatably mounted on the base 10, and has a specific mounting structure that: the lower-middle portion of the bottom of the mounting frame 21 is provided with a rotation shaft 211 arranged in a direction perpendicular to the tilting direction thereof, and both end portions of the rotation shaft 211 are rotatably mounted on top of the two columns 11 of the base 10 via bearings 212. In the present embodiment, the top of the mounting frame 21 is provided with a plurality of slide rails 213 arranged at intervals in the oblique direction of the mounting frame 21 and respectively along a direction perpendicular to the oblique direction.
The photovoltaic module placement bracket 22 has a shape and size matching those of the photovoltaic module 500, and is disposed at the inner bottom of the mounting frame 21 for placing the photovoltaic module 500.
The main frame rotation driving unit 23 and the auxiliary frame rotation driving unit 24 are both used for driving the mounting frame 21 to perform vertical rotation motion relative to the base 10 so as to drive the photovoltaic module placing bracket 22 and the photovoltaic module 500 thereon to perform vertical rotation motion, so that the photovoltaic module 500 is adjusted to an inclination angle required by the test, and in the embodiment, the inclination angle is 30-60 degrees; the specific operation is that the main frame rotation driving unit 23 is operated to rotate the mounting frame 21 to a position substantially identical to the preset tilting angle, and then the sub-frame rotation driving unit 24 is operated to rotate the mounting frame 21 by a minute angle so as to reach a position consistent with the preset tilting angle.
The main frame rotation driving unit 23 is provided on the base 10 at a position corresponding to the middle upper portion of the bottom of the mounting frame 21, and includes two guide rails 231, a slider 232, a support column 233, and a slider driving member 234.
Two guide rails 231 are mounted on the base 10 in a vertically parallel arrangement.
The slider 231 is slidably mounted on two guide rails 231.
The two ends of the support column 233 are rotatably connected to the middle upper portion of the bottom of the frame 21 and the side of the slider 231 remote from the guide rail 231, respectively.
The slider driving member 234 is located between the two rails 231, and is used for driving the slider 232 to move up and down on the rails 231. The slider driving part 234 has a nut (not shown) and a screw 234a which are matched with each other, and a motor 234b fixedly provided at an upper end position of the guide rail 231.
The nut is fixedly arranged on the side of the slider 232 close to the guide rail 231.
One end of the screw rod 234a is movably mounted in the nut, and the other end is connected with a rotating shaft of the motor 234 b.
The sub-frame rotation driving unit 24 is located at a lower middle portion of the bottom of the mounting frame 21, and includes a motor 241, a driving wheel (not shown), a driven wheel (not shown), and a transmission belt 242.
The motor 241 is provided on one of the columns 11 of the base 10.
The driving wheel is mounted on the rotation shaft of the motor 241.
The driven wheel is mounted on the rotation shaft 211.
The transmission belt 242 is sleeved on the driving wheel and the driven wheel.
Fig. 4 is a schematic perspective view of a pressing member in the embodiment of the present utility model.
As shown in fig. 1, 2 and 4, the pressing part 30 is for simulating the application of a real snow load on the upper surface of the photovoltaic module 500, and includes a plurality of pressing units, each of which includes a plurality of pressing members 31 and a plurality of hanging chains 32, sequentially arranged in the inclined direction of the mounting frame 21 and in one-to-one correspondence with the plurality of sliding rails 213.
The plurality of pressing members 31 are sequentially arranged in a direction perpendicular to the tilting direction of the mounting frame 21, and each pressing member 31 has a pressing block 311 and at least one weight 312 sequentially placed on the pressing block 311 from bottom to top.
The lower surface of the pressurizing block 311 is used for being attached to the upper surface of the photovoltaic module 20, and in this embodiment, the lower surface is provided with a wear-resistant layer 311a made of teflon material. The middle part of the upper surface of the pressurizing block 311 is provided with a handle 311b which is obliquely arranged, and in the embodiment, the upper end part of the handle 311b is provided with a hanging hole 311c.
The balancing weight 312 is used to be superimposed on the pressing block 311, so that the pressing member 31 has a preset weight as a whole, and a corresponding portion of the photovoltaic module 500 is subjected to a preset load. In this embodiment, the weight 312 is provided with a bar-shaped opening slot 312a matching the handle 311 b. The pressing part adopts a mode that the pressing block is matched with the balancing weight, so that the whole weight of the pressing part is conveniently and rapidly adjusted, and the aim of meeting the weight of a test load is fulfilled.
The hanging chains 32 are in one-to-one correspondence with the pressing members 31, one end part of each hanging chain 32 is detachably connected with the corresponding pressing member 31 in a hooking mode with the hanging hole 311c through a hook (not shown in the figure), the other end part of each hanging chain is in sliding connection with the corresponding sliding rail 213, the pressing members are conveniently taken and placed, workers are prevented from being injured by falling down of the pressing members, and safety is guaranteed.
As shown in fig. 1 and 2, a plurality of deformation sensors 40 are arranged at intervals in a direction perpendicular to the tilting direction of the mounting frame 21 and fixedly provided on the bottom of the lower end of the mounting frame 21 for detecting deformation of the lower surface of the photovoltaic module 500 by the pressing portion 30.
Effects and effects of the examples
According to the photovoltaic module uneven snow load test device, as the middle lower part of the bottom of the installation frame is rotatably connected with the base, the frame rotary driving unit is connected with the middle upper part of the bottom of the installation frame, and the installation frame can be driven to perform vertical rotary motion relative to the base, so that the inclination angle of the device can be conveniently and rapidly adjusted, the test requirements of different products are met, and the practicability of the device is greatly improved.
In addition, because the photovoltaic module placing part further comprises a subframe rotary driving unit, the subframe rotary driving unit is positioned at the middle lower part of the bottom of the mounting frame and comprises a motor, a driving wheel, a driven wheel and a transmission belt, the motor is arranged on the base, the driving wheel is arranged on a rotating shaft of the motor, the driven wheel is arranged on the rotating shaft, and the transmission belt is sleeved on the driving wheel and the driven wheel, so that the accuracy of adjusting the inclination angle is further improved.
The above embodiments are preferred examples of the present utility model, and are not intended to limit the scope of the present utility model.
Claims (9)
1. Uneven snow load test device of photovoltaic module, its characterized in that includes:
A base;
The photovoltaic module placing part is arranged on the base and is used for obliquely placing the photovoltaic module;
The pressing part is used for simulating the effect of a real snow load on the upper surface of the photovoltaic module; and
A deformation sensor for detecting the deformation of the photovoltaic module,
Wherein the photovoltaic module placing part comprises a mounting frame which is obliquely arranged and can rotate up and down, a photovoltaic module placing bracket used for placing the photovoltaic module and a frame rotation driving unit used for driving the mounting frame to rotate up and down,
The middle lower part of the bottom of the mounting frame is rotatably connected with the base,
The photovoltaic module placing bracket is arranged at the inner bottom of the mounting frame,
The frame rotation driving unit is arranged on the base and is connected with the middle upper part of the bottom of the mounting frame,
The pressing portion is located in the mounting frame and includes a plurality of applying units sequentially arranged in an inclined direction of the mounting frame,
Each of the pressing units has a plurality of pressing members sequentially arranged in a direction perpendicular to the inclined direction.
2. The photovoltaic module uneven snow load test device according to claim 1, characterized in that:
Wherein the frame rotation driving unit comprises a guide rail, a sliding block, a supporting column and a sliding block driving part,
The guide rails are arranged vertically,
The sliding block is slidingly arranged on the guide rail,
The two end parts of the support column are respectively movably connected with the middle upper part of the bottom of the installation frame and the sliding block,
The sliding block driving component is connected with the sliding block and used for driving the sliding block to lift on the guide rail.
3. The photovoltaic module uneven snow load test device according to claim 2, characterized in that:
wherein the slide block driving part is provided with a nut and a screw rod which are matched with each other, and a motor,
The nut is fixedly connected with the sliding block,
One end part of the screw rod is movably arranged in the nut, and the other end part of the screw rod is connected with the rotating shaft of the motor.
4. The photovoltaic module uneven snow load test device according to claim 1, characterized in that:
Wherein the middle lower part of the bottom of the installation frame is provided with a rotating shaft which is arranged along the direction vertical to the inclined direction,
Both end portions of the rotating shaft are rotatably mounted on the base through bearings.
5. The photovoltaic module uneven snow load test device according to claim 4, wherein:
wherein the frame rotation driving unit is set as a main frame rotation driving unit,
The photovoltaic module placing part also comprises a subframe rotary driving unit,
The auxiliary frame rotary driving unit is positioned at the middle lower part of the bottom of the mounting frame and comprises a motor, a driving wheel, a driven wheel and a driving belt,
The motor is arranged on the base,
The driving wheel is arranged on the rotating shaft of the motor,
The driven wheel is mounted on the rotating shaft,
The driving belt is sleeved on the driving wheel and the driven wheel.
6. The photovoltaic module uneven snow load test device according to claim 1, characterized in that:
wherein the pressing unit further comprises a plurality of hanging chains corresponding to the plurality of pressing components one by one,
The top of the mounting frame is provided with a plurality of sliding rails which are in one-to-one correspondence with the plurality of application units and are respectively arranged along the direction perpendicular to the inclined direction,
One end of each hanging chain is detachably connected with the corresponding pressing component, and the other end of each hanging chain is in sliding connection with the corresponding sliding rail.
7. The photovoltaic module uneven snow load test device according to claim 1, characterized in that:
Wherein the pressing component is provided with a pressing block and at least one balancing weight,
The lower surface of the pressurizing block is used as an attaching surface to be attached to the upper surface of the photovoltaic module, the middle part of the upper surface of the pressurizing block is provided with a handle which is obliquely arranged,
The balancing weight is provided with a strip-shaped open slot matched with the handle.
8. The photovoltaic module uneven snow load test device according to claim 7, characterized in that:
Wherein, the lower surface of pressurizing piece is equipped with the wearing layer.
9. The photovoltaic module uneven snow load test device according to claim 1, characterized in that:
wherein the inclination angle of the mounting frame is 30-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323117804.3U CN221506470U (en) | 2023-11-20 | 2023-11-20 | Uneven snow load test device of photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323117804.3U CN221506470U (en) | 2023-11-20 | 2023-11-20 | Uneven snow load test device of photovoltaic module |
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| Publication Number | Publication Date |
|---|---|
| CN221506470U true CN221506470U (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323117804.3U Active CN221506470U (en) | 2023-11-20 | 2023-11-20 | Uneven snow load test device of photovoltaic module |
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| CN (1) | CN221506470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119164775A (en) * | 2024-11-18 | 2024-12-20 | 天津振江新能科技有限公司 | Photovoltaic support strength detection device |
-
2023
- 2023-11-20 CN CN202323117804.3U patent/CN221506470U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119164775A (en) * | 2024-11-18 | 2024-12-20 | 天津振江新能科技有限公司 | Photovoltaic support strength detection device |
| CN119164775B (en) * | 2024-11-18 | 2025-03-04 | 天津振江新能科技有限公司 | Photovoltaic support strength detection device |
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