CN217466705U

CN217466705U - Portable photovoltaic module testing arrangement

Info

Publication number: CN217466705U
Application number: CN202221258814.1U
Authority: CN
Inventors: 刘亮; 范新丰; 蔡贤峰; 曹旺; 赵皓
Original assignee: Taiyi Photovoltaic Technology Changzhou Co ltd
Current assignee: Taiyi Photovoltaic Technology Changzhou Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-09-20
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a portable photovoltaic module testing arrangement, including detection room and fixed establishment, detect indoor portion cavity and one side swing joint have the apron, and the apron becomes closed detection cavity with the detection room, and the detection room rear is fixed with infrared camera, infrared camera's detection head passes the casing of detection room, is provided with communication module in the infrared camera, communication module and outside computer link, infrared camera top are provided with DC power supply, the DC power supply embedding is installed in detection room rear top, fixed establishment sets up in the detection room inboard, and the fixed establishment bottom is provided with the sliding block, and the detection room bottom is provided with sliding block size assorted slip track. The utility model completes the photovoltaic module EL test of outdoor installation site through the micro darkroom structure, and has small structure and low cost; the fixing mechanism utilizes the elasticity of the spring to realize the fixation of the photovoltaic module, is convenient to operate and improves the detection efficiency of the photovoltaic module on the installation site.

Description

Portable photovoltaic module testing arrangement

Technical Field

The utility model relates to a solar photovoltaic technology field especially relates to a portable photovoltaic module testing arrangement.

Background

The solar photovoltaic module is a core part in a solar power generation system and also is the most important part in the solar power generation system, and has the function of converting solar energy into electric energy or transmitting the electric energy to a storage battery for storage or pushing a load to work. With the development of new energy technology, photovoltaic modules are increasingly applied to various products, so that the performance test of the photovoltaic modules becomes more important.

In the prior art, subfissure detection of a photovoltaic module is mainly completed by using an EL (electroluminescence) tester, the EL tester applies the electroluminescence principle of crystalline silicon, reverse voltage is applied to the photovoltaic module through a power supply, so that the interior of the photovoltaic module is conducted and emits red light, a high-resolution CCD camera is used for shooting a near-infrared image of the module, and the defect of the module is obtained and judged, and the tester needs to be in a darkroom. The assembly is powered on. At present, portable EL used for site detection of a power station needs to reach a darkroom condition, and two methods are available, wherein one method is to carry out testing at night, but the testing efficiency is low in consideration of severe natural conditions of the site of the power station; the other method is to set up a simple darkroom for testing in the daytime, but the darkroom is large in size and inconvenient to move, and is not portable enough for rapid detection on the site of a power station.

SUMMERY OF THE UTILITY MODEL

According to the technical problem that needs were solved, a portable photovoltaic module testing arrangement is provided, and is with low costs, conveniently carries, is fit for carrying out EL test to photovoltaic module at the installation scene.

In order to realize the purpose, the utility model discloses a portable photovoltaic module testing arrangement, including detecting room and fixed establishment, detect indoor portion cavity and one side swing joint have the apron, and the apron becomes closed detection cavity with the detecting room, and the detecting room rear is fixed with infrared camera, infrared camera's detection head passes the casing that detects the room, is provided with communication module in the infrared camera, communication module and outside computer link, infrared camera top are provided with DC power supply, the DC power supply embedding is installed in detecting room rear upper place, fixed establishment sets up in the detecting room inboard, and the fixed establishment bottom is provided with the sliding block, detects the room bottom be provided with sliding block size assorted slip track.

Further, fixed establishment includes rectangular frame and clamping device, and clamping device is located the frame inboard, and clamping device comprises stopper and regulating block, the inboard vertical direction of frame is provided with two screw rods, the stopper cross-section is the L type and sets up the screw hole that runs through of two sets of vertical directions, the screw hole is connected with the screw rod cooperation, sets up two sets of nuts at least on the every screw rod and fixes both sides about the stopper.

Furthermore, stopper breach department is provided with the regulating block, the regulating block is connected with the stopper bulge through at least two sets of springs, is provided with the spout the same with the flexible direction of spring on the stopper breach, and the regulating block slides along the spout direction.

Furthermore, the adjusting block is longer than the limiting block, a protrusion is arranged on the inner side of the adjusting block, the size of the protrusion is matched with that of a sliding groove in the limiting block, a fixing groove is formed in the outer side of the adjusting block, and an elastic cushion pad is pasted on the side face of the fixing groove.

Furthermore, the clamping devices are arranged in at least two groups and are symmetrically arranged inside the fixing mechanism.

Furthermore, the inner wall of the detection chamber is sprayed with black matte paint or pasted with black light absorption felt cloth.

Furthermore, scales are arranged on two sides of the sliding track at the bottom of the detection chamber, the scales are gradually increased towards the direction of the fixing mechanism by taking the position of the infrared camera as an original point, and the length of the scales is not less than that of the sliding track.

Compared with the prior art the utility model discloses the beneficial effect who produces: the utility model discloses a portable photovoltaic module testing device, which completes the photovoltaic module EL test of outdoor installation site through a micro darkroom structure, and has small structure and low cost; the fixing mechanism utilizes the elasticity of the spring to realize the fixation of the photovoltaic module, is convenient to operate and improves the detection efficiency of the photovoltaic module on the installation site.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the fixing mechanism of the present invention.

Fig. 3 the utility model discloses a stopper structure schematic diagram.

Fig. 4 is the utility model discloses a stopper local enlarged view A.

In the figure: 1 is a detection chamber; 2 is a direct current power supply; 3 is an infrared camera; 4 is a cover plate; 5 is a sliding track; 6 is a frame; 7 is a screw rod; 8 is a limiting block; 9 is an adjusting block; 10 is a sliding block; 11 is an elastic buffer cushion; 12 is a spring; 13 is a fixed groove; and 14 is a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An embodiment of the utility model, as shown in fig. 1 and fig. 2, a portable photovoltaic module testing device comprises a detection chamber 1 and a fixing mechanism, wherein the detection chamber 1 is hollow and one side of the detection chamber is movably connected with a cover plate 4, the cover plate 4 and the detection chamber 1 form a closed detection cavity, an infrared camera 3 is fixed at the rear of the detection chamber 1, the detection head of the infrared camera 3 passes through the shell of the detection chamber 1, a communication module is arranged in the infrared camera 3, the communication module is connected with an external computer, so that the data storage after the detection is finished is convenient, a direct current power supply 2 is arranged above the infrared camera 3, DC power supply 2 embedding is installed in detecting 1 back upper place, fixed establishment sets up and is detecting 1 inboards in the room, and the fixed establishment bottom is provided with sliding block 10, detects 1 bottom in the room and is provided with sliding block 10 size assorted slip track 5, provides adjustable sliding distance for fixed establishment.

Fixing mechanism includes rectangular frame 6 and clamping device, and clamping device is located 6 inboards of frame, and clamping device comprises stopper 8 and regulating block 9, the inboard vertical direction of frame 6 is provided with two screw rods 7, the stopper 8 cross-section is the L type and sets up the screw hole that runs through of two sets of vertical directions, the screw hole is connected with the cooperation of screw rod 7, sets up two sets of nuts at least on every screw rod 7 and fixes both sides about stopper 8, realizes the regulation of clamping device upper and lower position through the cooperation of screw rod 7 with the screw hole, and the nut of clamping device both sides is used for locking clamping device, and every screw hole both ends set up a nut at least, guarantee to provide sufficient locking force.

As shown in fig. 3, stopper 8 breach department is provided with regulating block 9, regulating block 9 is connected with stopper 8 bellying through at least two sets of springs 12, is provided with the spout 14 the same with the flexible direction of spring 12 on the stopper 8 breach, and regulating block 9 slides along spout 14 direction, and the protruding tensile change of compression through spring 12 in regulating block 9 below slides along spout 14 round trip, and the slip direction of restriction regulating block 9 guarantees to exert the clamp force to photovoltaic module uniformly.

As shown in fig. 4, regulating block 9 length is greater than stopper 8 length, the photovoltaic module package of different length can be fixed, 9 inboards of regulating block are provided with the arch and the spout 14 matching in size and the stopper 8, fixed slot 13 has been seted up in the 9 outside of regulating block, elastic buffer pad 11 is pasted to fixed slot 13 side, fixed slot 13 is the horizontal recess on the regulating block 9, photovoltaic module is placed in fixed slot 13, photovoltaic module and the rigid contact of regulating block 9 are placed to the elastic buffer pad 11 of both sides, avoid colliding with and lead to the subassembly to damage.

The clamping devices are at least provided with two groups and are symmetrically arranged on the inner side of the fixing mechanism, the vertical direction distance can be freely adjusted by the two groups of clamping devices which are oppositely arranged, and the photovoltaic module is fixed by the matched combination through the compression and stretching of the springs 12.

The inner wall of the detection chamber 1 is coated with black matt paint or pasted with black light absorption felt cloth, so that the darkness in the detection chamber 1 meets the requirements of a test environment, and the accuracy of a detection result is improved.

The 5 both sides of the sliding rail in detection room 1 bottom are provided with the scale, and the scale uses the position of infrared camera 4 to increase progressively to fixed establishment direction as the original point, and scale length is not less than 5 length of sliding rail, conveniently adjusts the distance between fixed establishment and the infrared camera, and the sliding rail 5 that you's scale is short prevents that fixed establishment and infrared camera from bumping.

The working principle of the embodiment is as follows: when testing the photovoltaic module, firstly adjusting the position of a nut on a screw rod 7 so as to move a clamping device, ensuring that the side space of a fixed groove 13 between two groups of clamping devices does not exceed the width of the photovoltaic module, locking the nut after adjusting the position, pulling an adjusting block 9 to the upper side and the lower side by an operator, placing a part to be detected into the fixed groove 13, loosening the adjusting block 9, leading a spring 12 to rebound to enable the adjusting block 9 to clamp the photovoltaic module tightly, preventing the photovoltaic module from colliding with the adjusting block 9 by an elastic buffer cushion 11 at the side edge of the fixed groove, installing a fixing mechanism at the inner side of a detection room along a sliding track 5 by a sliding block 10 at the lower part, adjusting the distance between the fixing mechanism and an infrared camera by the scale of the side surface and locking the sliding block, connecting the positive pole and the negative pole of the photovoltaic module to a direct current power supply after fixing is finished, closing and locking a cover plate 4 for EL test, and applying reverse voltage to the photovoltaic module by the direct current power supply, the inside of the photovoltaic module is conducted and emits red light, the infrared camera is used for shooting near-infrared images of the photovoltaic module, and the near-infrared images are transmitted to an external computer through a communication module inside the camera, so that the test is completed.

The points to be explained are as follows: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed; second, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above examples are merely illustrations of the present invention, and do not constitute limitations to the scope of the present invention, and all designs the same as or similar to the present invention belong to the scope of the present invention.

Claims

1. A portable photovoltaic component testing device comprises a detection chamber (1) and a fixing mechanism, it is characterized in that the detection chamber (1) is hollow and one side of the detection chamber is movably connected with a cover plate (4), the cover plate (4) and the detection chamber (1) form a closed detection cavity, an infrared camera (3) is fixed at the rear of the detection chamber (1), the detection head of the infrared camera (3) passes through the shell of the detection chamber (1), a communication module is arranged in the infrared camera (3), the communication module is connected with an external computer, a direct current power supply (2) is arranged above the infrared camera (3), DC power supply (2) embedding is installed in detection room (1) back upper place, fixed establishment sets up in detection room (1) inboard, and the fixed establishment bottom is provided with sliding block (10), detects room (1) bottom and is provided with sliding rail (5) of sliding block (10) size assorted.

2. The portable photovoltaic module testing device according to claim 1, wherein the fixing mechanism comprises a rectangular frame (6) and a clamping device, the clamping device is located inside the frame (6), the clamping device is composed of a limiting block (8) and an adjusting block (9), two screw rods (7) are arranged in the vertical direction inside the frame (6), the cross section of the limiting block (8) is L-shaped and provided with two groups of threaded through holes in the vertical direction, the threaded holes are connected with the screw rods (7) in a matched mode, and at least two groups of nuts are arranged on each screw rod (7) and fixed on the upper side and the lower side of the limiting block (8).

3. The portable photovoltaic module testing device according to claim 2, wherein the notch of the limiting block (8) is provided with an adjusting block (9), the adjusting block (9) is connected with the protruding portion of the limiting block (8) through at least two sets of springs (12), the notch of the limiting block (8) is provided with a sliding groove (14) having the same extending direction as the springs (12), and the adjusting block (9) slides along the sliding groove (14).

4. The portable photovoltaic module testing device according to claim 3, wherein the length of the adjusting block (9) is larger than that of the limiting block (8), a protrusion is arranged on the inner side of the adjusting block (9) and matched with a sliding groove (14) in the limiting block (8) in size, a fixing groove (13) is formed in the outer side of the adjusting block (9), and an elastic cushion pad (11) is adhered to the side surface of the fixing groove (13).

5. A portable photovoltaic module testing apparatus in accordance with claim 2, wherein said holding means are provided in at least two sets and are symmetrically mounted inside the fixing means.

6. The portable photovoltaic module testing device according to claim 1, wherein the inner wall of the detection chamber (1) is coated with black matte paint or pasted with black light absorption felt cloth.

7. The portable photovoltaic module testing device according to claim 1, wherein scales are arranged on two sides of the sliding rail (5) at the bottom of the detection chamber (1), the scales are gradually increased towards the fixing mechanism by taking the position of the infrared camera (3) as an original point, and the length of the scales is not less than that of the sliding rail (5).