CN213027954U

CN213027954U - Auxiliary testing device and testing device for double-sided photovoltaic module

Info

Publication number: CN213027954U
Application number: CN202022257750.0U
Authority: CN
Inventors: 王晓瓯; 杨勇洲
Original assignee: Yellow River Hydropower Photovoltaic Industry Technology Co ltd; Qinghai Huanghe Hydropower Development Co Ltd; Huanghe Hydropower Development Co Ltd; Photovoltaic Industry Technology Branch of Qinghai Huanghe Hydropower Development Co Ltd
Current assignee: Yellow River Hydropower Photovoltaic Industry Technology Co ltd; Qinghai Huanghe Hydropower Development Co Ltd; Huanghe Hydropower Development Co Ltd; State Power Investment Corp Ltd Huanghe Hydropower Development Co Ltd; Photovoltaic Industry Technology Branch of Qinghai Huanghe Hydropower Development Co Ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-04-20
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses an auxiliary testing device of a double-sided photovoltaic assembly, which comprises a vertical frame, a translation mechanism arranged on the frame and a rotating frame connected with the free end of the translation mechanism, wherein the translation mechanism is used for translating the rotating frame between a testing position and a turning position; the rotating frame is a hollow fixing frame used for fixing the double-sided photovoltaic module and is rotatably connected with the free end of the translation mechanism. The utility model also discloses a testing arrangement. The utility model discloses a be provided with the swivel mount that can bear photovoltaic module and carry out the upset to set up the swivel mount into can be at the translation between test position and upset position, can overturn photovoltaic module translation to the upset position after the test is accomplished in one side, then test the another side of photovoltaic module at the test position, the position of placing of subassembly keeps unanimous around having guaranteed the upset, has improved efficiency of software testing, has eliminated the potential safety hazard, has still guaranteed test data's the degree of accuracy and stability.

Description

Auxiliary testing device and testing device for double-sided photovoltaic module

Technical Field

The utility model relates to a photovoltaic module tests technical field, especially relates to a two-sided photovoltaic module's auxiliary test device and testing arrangement.

Background

With the increasing awareness of environmental protection, energy issues have been one of the most important concerns. Compared with other energy sources, the solar energy has the characteristic of no pollution, and with the further development of the photovoltaic industry in China, the market capacity of the photovoltaic industry is expected to increase year by year in the coming years. According to the forecast, the accumulated photovoltaic installed capacity of China reaches 141GW by 2022. From the development trend of the photovoltaic industry in China at present, the investment profitability of the photovoltaic industry is further improved in the future. The power of the photovoltaic module is the ability of the photovoltaic module to convert solar energy into electrical energy, i.e., the power generation ability of the photovoltaic module.

In recent years, high-efficiency techniques such as double-sided batteries have also started to advance at a high rate. However, due to the property of double-sided power generation, a double-sided photovoltaic module has output power from both the front side and the back side, which causes certain difficulties in power testing of the module. At present, only one international standard is suitable for power test of double-sided photovoltaic modules on a production line, and how to accurately calibrate the power of the double-sided photovoltaic modules becomes a difficult problem and a hotspot of research. Therefore, it is necessary to perform power test on the double-sided photovoltaic module, ensure the accuracy of the test, and confirm the accuracy and stability of the test result.

No matter is the one-way light source subassembly power tester such as side is polished, is polished down at present, it is just testing two-sided photovoltaic module, when back electrical parameter, all need the inspector to take off photovoltaic module by test sample well frame manually, and place the test jig in after the upset and detect again, not only the efficiency of software testing is low, and there is the potential safety hazard in photovoltaic module handling, after the positive test of photovoltaic module is accomplished, place again after the upset and carry out the in-process of testing, the position of placing of subassembly often is inconsistent with the last time, can't guarantee the degree of accuracy and the stability of test data.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies in the prior art, the utility model provides a two-sided photovoltaic module's supplementary testing arrangement and testing arrangement, supplementary testing arrangement can realize two-sided photovoltaic module's upset and location in the test procedure, has improved efficiency of software testing, has eliminated the potential safety hazard, still guarantees the stability and the accuracy of two-sided photovoltaic module test result.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an auxiliary testing device for a double-sided photovoltaic module comprises a vertical rack, a translation mechanism arranged on the rack and a rotating rack connected to the free end of the translation mechanism, wherein the translation mechanism is used for translating the rotating rack between a testing position and a turning position; the rotating frame is a hollow fixing frame used for fixing the double-sided photovoltaic module and is rotatably connected with the free end of the translation mechanism.

In one embodiment, the number of the racks is two, two racks are arranged at a distance in the testing position, and the rotating frame is located between the two racks when the rotating frame is moved to the testing position by the translation mechanism.

As one embodiment, the rotating frame includes rotating shafts protruding from both ends in the width direction of the rotating frame, and the rotating shafts are fixed relative to the rotating frame and rotatably connected to the free end of the translation mechanism, so as to drive the rotating frame to rotate around the rotating frame under the action of torque.

As one embodiment, the auxiliary testing device for the double-sided photovoltaic module further comprises a driving motor, wherein the driving motor is fixed at the free end of the translation mechanism and is used for driving the rotating shaft to drive the rotating frame to rotate.

As one embodiment, the auxiliary testing device for the bifacial photovoltaic module further comprises a limiting mechanism, wherein the limiting mechanism is arranged on at least one side of the rack and is used for clamping the rotating frame entering the testing position from the side.

As one embodiment, the number of the limiting mechanisms is multiple, and at least two limiting mechanisms are respectively fixed at two different ends close to the rack.

As one embodiment, the limiting mechanism is a hydraulic cylinder or a pneumatic cylinder, and the limiting mechanism clamps the rotating frame through the end of the piston rod.

As one embodiment, the translation mechanism is a scissor fork mechanism, and includes a first swing rod and a second swing rod hinged in an X shape, and a third swing rod and a fourth swing rod hinged to each other, free ends of the third swing rod and the fourth swing rod are hinged to a first end of the first swing rod and a first end of the second swing rod, respectively, and the third swing rod and the fourth swing rod are hinged to each other through the rotation shaft; the second end of the first swinging rod is hinged with the rack, and the second end of the second swinging rod is slidably arranged on the rack along the height direction of the rack.

In one embodiment, the rack is provided with a longitudinal slide rail, and the second swing rod can slide along the length direction of the slide rail.

Another object of the utility model is to provide a two-sided photovoltaic module's testing arrangement, including foretell two-sided photovoltaic module's auxiliary test device.

The utility model discloses a be provided with the swivel mount that can bear photovoltaic module and carry out the upset to set up the swivel mount into can be at the translation between test position and upset position, can overturn photovoltaic module translation to the upset position after the test is accomplished in one side, then test the another side of photovoltaic module at the test position, the position of placing of subassembly keeps unanimous around having guaranteed the upset, has improved efficiency of software testing, has eliminated the potential safety hazard, has still guaranteed test data's the degree of accuracy and stability.

Drawings

Fig. 1 is a schematic diagram of a state of an auxiliary testing device for a double-sided photovoltaic module according to an embodiment of the present invention in a testing position;

fig. 2 is a schematic state diagram of the auxiliary testing device for a double-sided photovoltaic module according to the embodiment of the present invention in a turning position;

fig. 3 is a schematic diagram of a state of the auxiliary testing device for a double-sided photovoltaic module according to the embodiment of the present invention after being turned over at the turning position;

fig. 4 is a side view of fig. 1.

Detailed Description

In the present invention, the terms "disposed", "provided" and "connected" should be interpreted broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, an embodiment of the present invention provides an auxiliary testing device for a double-sided photovoltaic module, including a vertical rack 10, a translation mechanism 20 disposed on the rack 10, and a rotating frame 30 connected to a free end of the translation mechanism 20, where the translation mechanism 20 is configured to translate the rotating frame 30 between a testing position and a turning position; the rotating frame 30 is formed as a hollow fixing frame for fixing the double-sided photovoltaic module, and is rotatably connected to the free end of the translation mechanism 20.

To ensure the best effect, the rack 10 of the present embodiment is described as two racks 10, as shown in fig. 4, the two racks 10 are spaced apart at both sides of the testing position, and the rotating rack 30 is located between the two racks 10 when moved to the testing position by the translation mechanism 20.

It is understood that in other embodiments, there may be only one rack 10, and the rack 10 is only disposed on a single side of the translation mechanism 20, which may also achieve similar fixing effects.

Fig. 2 is a schematic state diagram of the auxiliary testing device of the double-sided photovoltaic module of the embodiment in the flipped position, and fig. 3 is a schematic state diagram of the auxiliary testing device of the double-sided photovoltaic module of the embodiment after flipping in the flipped position. As shown in fig. 2 and 3, a certain horizontal distance is arranged between the turning position and the rack 10, so that the double-sided photovoltaic module can still be spaced from the rack 10 by a certain horizontal distance in the turning process, and the double-sided photovoltaic module 1 is prevented from interfering with structures such as a test light source located beside the test position to influence the test process.

When one side of the double-sided photovoltaic module 1 needs to be tested, the vertical arrangement of the double-sided photovoltaic module 1 is only required to be ensured, that is, the double-sided photovoltaic module 1 is parallel to the rack 10, so that the side to be tested faces the light source (such as the left side of fig. 1). As one of the embodiments, the auxiliary testing apparatus has a stopper mechanism S provided at least one side of the frame 10 for clamping the rotary rack 30, which is brought into the testing position, from the side.

The number of the limiting mechanisms S is preferably plural, at least two limiting mechanisms S are respectively fixed at two different ends close to the vertical direction of the frame 10, and when the rotating frame 30 rotates to the vertical state, the limiting mechanisms S clamp the side portion of the rotating frame 30. For example, the limiting mechanism S may be a hydraulic cylinder or a pneumatic cylinder, and the limiting mechanism S clamps or releases the rotating frame 30 through the end of the piston rod when necessary.

Optionally, the end of the piston rod can also adopt thermoplastic elastomer (TPV) or styrene-butadiene rubber (SBR), the thermoplastic elastomer is dynamically vulcanized EPDM/PP blend, is heat-resistant and cold-resistant, has excellent elasticity, aging resistance, ozone resistance, tearing strength and chemical resistance, and has excellent coloring performance. Can be used at the temperature of-60 ℃ to +135 ℃ for a long time. The styrene butadiene rubber has good processing performance, excellent wear resistance and elasticity, good low-heat aging resistance and good bending resistance and flexibility.

When the other side of the double-sided photovoltaic module 1 needs to be tested, the limiting mechanism S is firstly loosened, then the rotating frame 30 is translated to the turning position (the position shown in figure 2) towards the right through the translation mechanism 20, then the other side of the double-sided photovoltaic module 1 faces the detection light source by turning the rotating frame 30 for 180 degrees, then the rotating frame 30 is translated to the testing position towards the left through the translation mechanism 20, and then the limiting mechanism S is utilized to clamp from the lateral direction, so that the other side can be tested.

Specifically, the rotating frame 30 includes rotating shafts 300 protruding from both ends in the width direction thereof, and the rotating shafts 300 are fixed relative to the rotating frame 30 and rotatably connected to the free end of the translating mechanism 20 for driving the rotating frame 30 to rotate around under the action of torque. In order to improve the automation degree of the device and improve the detection efficiency, the auxiliary testing device may further include a driving motor M fixed at the free end of the translation mechanism 20 for driving the rotating shaft 300 to drive the rotating frame 30 to rotate.

Preferably, the translation mechanism 20 is a scissor fork mechanism, and includes a first swing rod 21 and a second swing rod 22 hinged in an X-shape, and a third swing rod 23 and a fourth swing rod 24 hinged to each other, free ends of the third swing rod 23 and the fourth swing rod 24 are respectively hinged to a first end of the first swing rod 21 and a first end of the second swing rod 22, and the third swing rod 23 and the fourth swing rod 24 are hinged to each other through a rotating shaft 300; the second end of the first swing lever 21 is hinged to the frame 10, and the second end of the second swing lever 22 is slidably disposed on the frame 10 in the height direction of the frame 10.

The third swinging rod 23 and the fourth swinging rod 24, the first swinging rod 21 and the second swinging rod 22 enclose a parallelogram, and the hinged parts of the first swinging rod 21 and the second swinging rod 22 and the hinged parts of the third swinging rod 23 and the fourth swinging rod 24 are positioned on the same horizontal line. Thus, the rotating frame 30 can be easily driven to approach and separate from the housing 10 by the up-and-down sliding of the second swinging lever 22.

Specifically, a longitudinal slide rail 100 may be provided on the rack 10, and the second swing lever 22 may slide along the length direction of the slide rail 100. The sliding rail 100 may be a longitudinal groove or hole formed in the frame 10, the end of the second swing rod 22 slides in the sliding rail 100, and the second swing rod 22 can slide up and down by using a motor or an air cylinder, so as to further improve the degree of automation.

Another object of the utility model is to provide a two-sided photovoltaic module's testing arrangement, including test light source and foretell two-sided photovoltaic module's auxiliary test device.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. The auxiliary testing device for the double-sided photovoltaic module is characterized by comprising a vertical rack (10), a translation mechanism (20) arranged on the rack (10) and a rotating rack (30) connected to the free end of the translation mechanism (20), wherein the translation mechanism (20) is used for translating the rotating rack (30) between a testing position and a turning position; the rotating frame (30) is formed into a hollow fixing frame for fixing the double-sided photovoltaic module and is rotatably connected with the free end of the translation mechanism (20).

2. The auxiliary testing device for the bifacial photovoltaic module as recited in claim 1, wherein the number of the racks (10) is two, the two racks (10) are spaced apart from each other at the testing position, and the rotating frame (30) is located between the two racks (10) when the translating mechanism (20) moves to the testing position.

3. The auxiliary testing device for the bifacial photovoltaic module as recited in claim 2, wherein the rotating frame (30) comprises rotating shafts (300) protruding from both ends of the rotating frame in the width direction, and the rotating shafts (300) are fixed relative to the rotating frame (30) and are rotatably connected with the free end of the translation mechanism (20) for driving the rotating frame (30) to rotate around under the action of torque.

4. The auxiliary testing device for the bifacial photovoltaic module as recited in claim 3, further comprising a driving motor (M), wherein the driving motor (M) is fixed at the free end of the translation mechanism (20) and is used for driving the rotating shaft (300) to rotate the rotating frame (30).

5. The auxiliary testing device of a bifacial photovoltaic module as set forth in claim 3, further comprising a spacing mechanism (S) disposed on at least one side of said rack (10) for laterally clamping said carousel (30) into a testing position.

6. The auxiliary testing device for the double-sided photovoltaic module as recited in claim 5, wherein the number of the limiting mechanisms (S) is plural, and at least two limiting mechanisms (S) are respectively fixed at two different ends close to the rack (10).

7. The auxiliary testing device of the bifacial photovoltaic module as recited in claim 6, wherein the limiting mechanism (S) is a hydraulic cylinder or a pneumatic cylinder, and the limiting mechanism (S) clamps the rotating frame (30) through the end of the piston rod.

8. The auxiliary testing device for the bifacial photovoltaic module as recited in any one of claims 3-7, wherein the translation mechanism (20) is a scissor mechanism, and comprises a first swing rod (21) and a second swing rod (22) which are hinged in an X-shape, and a third swing rod (23) and a fourth swing rod (24) which are hinged to each other, the free ends of the third swing rod (23) and the fourth swing rod (24) are hinged to the first end of the first swing rod (21) and the first end of the second swing rod (22), respectively, and the third swing rod (23) and the fourth swing rod (24) are hinged to each other through the rotating shaft (300); the second end of the first swinging rod (21) is hinged with the frame (10), and the second end of the second swinging rod (22) is slidably arranged on the frame (10) along the height direction of the frame (10).

9. The auxiliary testing device for the bifacial photovoltaic module as recited in claim 8, wherein the rack (10) is provided with a longitudinal sliding rail (100), and the second swinging rod (22) can slide along the length direction of the sliding rail (100).

10. A testing device for a bifacial photovoltaic module, comprising the auxiliary testing device for a bifacial photovoltaic module of any one of claims 1-9.