Direct measurement tool for insulation detection of photovoltaic module
By designing a direct testing tool for insulating detection of photovoltaic modules including a detection table, a photovoltaic panel and an insulating detection module, the problem of difficulty in simulating outdoor rainy environments for photovoltaic panel insulation performance detection is solved, and effective detection and water stain blow-drying when water is stained on the outside of the photovoltaic panel are achieved.
Patent Information
- Application Number
- CN202421870617.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The prior art is difficult to simulate outdoor rainy environments and effectively detect the insulation performance when there is water on the surface of the photovoltaic panel.
A direct testing tool for insulating detection of photovoltaic modules is designed, including a detection table, photovoltaic panel, insulation detection module, etc., to simulate the real environment by spraying water, and blowing water stains with a fan to achieve the detection of the insulation performance of photovoltaic panels.
Insulation detection is carried out when water is stained on the outside of the photovoltaic panel, and water stains are dried by a fan, which improves the practicality and accuracy of the detection.
Smart Images
Figure CN222965347U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of direct measurement tools, in particular to a direct measurement tool for insulating detection of photovoltaic modules. Background Art
[0002] A photovoltaic module is composed of multiple photovoltaic cells connected in series or parallel. It uses semiconductor materials to absorb the photon energy from the sun, convert it into electrical energy, form direct current electricity, and combine it into a system, that is, the common photovoltaic panel. An insulation resistance tester is an instrument for measuring insulation resistance values and can be used to detect leakage points. It measures the insulation resistance value of the object to be tested to judge whether its insulation condition is normal. If the insulation resistance value is lower than a certain standard value, it indicates that there is a leakage problem.
[0003] In the prior art, in order to ensure that the photovoltaic panel can be used normally after installation, it is necessary to perform insulation performance detection on the photovoltaic panel before sale to ensure the safety of the photovoltaic panel after installation and use, and prevent the situation of leakage due to poor insulation. However, it is difficult to simulate the outdoor rainy environment in the existing testing of photovoltaic panels, making it difficult to test the insulation performance when there is water on the surface of the photovoltaic panel. Therefore, there is an urgent need for a direct measurement tool for insulating detection of photovoltaic modules to solve the above problems. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a direct measurement tool for insulating detection of photovoltaic modules.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A direct measurement tool for insulating detection of photovoltaic modules includes a detection table. A plurality of photovoltaic panels are arranged on the top surface of the detection table. A PLC controller is fixedly installed on one side of the detection table. It further includes a detection component. The detection component is arranged on the top surface of the detection table and is used for insulating detection of the photovoltaic panels. The insulating detection component includes: a first fixing plate, and the first fixing plate is fixedly installed on the top surface of the detection table.
[0007] As a further solution of the present utility model, the insulation detection assembly further includes: a movable placement table is arranged on the top surface of the detection table, a rectangular through hole is opened on the top surface of the movable placement table, a limiting hole is opened on one side of the movable placement table, a limiting column is movably sleeved on the inner circular wall surface of the limiting hole, second fixing plates are respectively fixedly installed on both sides of the first fixing plate, the second fixing plates are fixedly installed with the limiting column, a support frame is fixedly installed on the top surface of the detection table, first circular through holes are respectively opened on both sides of the support frame, a water inlet pipe is fixedly sleeved on the inner circular wall surface of the first circular through hole, a second circular through hole is opened on the top surface of the support frame, a spray head is fixedly sleeved on the inner circular wall surface of the water outlet of the water inlet pipe, the spray head is fixedly sleeved with the second circular through hole, a fixed cover is fixedly installed on the top surface of the detection table, a first support plate is fixedly installed on the top surface of the detection table, a tester is fixedly installed on the top surface of the first support plate, a third fixing plate is fixedly installed on the top surface of the detection table, two third circular through holes are opened on the top surface of the third fixing plate, a first fan is fixedly sleeved on the inner circular wall surface of the third circular through hole, a plurality of L-shaped plates and support columns are fixedly installed on one side inside the third fixing plate, and a towel box is fixedly installed on one side of the detection table.
[0008] As a further solution of the present utility model, two threaded holes are opened on the top surface of the movable placement table, and threaded columns are threadedly connected to the inner circular wall surfaces of the threaded holes.
[0009] As a further solution of the present utility model, a second support plate is fixedly installed on the top surface of the first support plate, and a plurality of fixing columns are fixedly installed on the top surface of the second support plate.
[0010] As a further solution of the present utility model, a fourth circular through hole is opened on the top surface of the fixed cover, an exhaust pipe is fixedly sleeved on the inner circular wall surface of the fourth circular through hole, a second fan is fixedly sleeved on the inner circular wall surface of the exhaust pipe, and the second fan is electrically connected to the PLC controller.
[0011] As a further solution of the present utility model, a water collecting groove is opened on the top surface of the detection table.
[0012] As a further solution of the present utility model, a handle is fixedly installed on one side of the movable placement table.
[0013] Compared with the prior art, the present utility model has the following beneficial effects:
[0014] Through the combined use of the provided detection table, photovoltaic panel, first fixing plate, movable placement table, limiting holes, limiting posts, second fixing plate, and support frame, the effect of insulating detection of the photovoltaic panel can be achieved. It enables the simulation of the real environment by spraying water on the photovoltaic panel, allowing for insulating detection when there is water on the outside of the photovoltaic panel. And after the insulation performance detection, the water stains on the outside of the photovoltaic panel can be dried by the provided first fan, which is quite practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 FIG. is a schematic diagram of the overall structure of a direct measurement tool for insulating detection of a photovoltaic module proposed by the present utility model;
[0016] Figure 2 FIG. is a schematic diagram of the structure of the first fixing plate of a direct measurement tool for insulating detection of a photovoltaic module proposed by the present utility model;
[0017] Figure 3 FIG. is a schematic diagram of the structure of the L-shaped plate of a direct measurement tool for insulating detection of a photovoltaic module proposed by the present utility model;
[0018] Figure 4 is Figure 2 a partial structural diagram of A in
[0019] In the figure: 1, detection table; 2, photovoltaic panel; 3, first fixing plate; 4, movable placement table; 5, limiting holes; 6, limiting posts; 7, second fixing plate; 8, support frame; 9, water inlet pipe; 10, nozzle; 11, fixed cover; 12, third fixing plate; 13, first fan; 14, first support plate; 15, tester; 16, second support plate; 17, fixed column; 18, L-shaped plate; 19, support column; 20, exhaust pipe; 21, second fan; 22, towel box; 23, water collection tank; 24, handle; 25, threaded column. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] In order to make the technical means, creative features, achieved purposes, and functions of the present utility model easy to understand, the present utility model will be further elaborated below in conjunction with specific embodiments.
[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "connection", etc. shall be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0023] Referring to Figures 1-4 , a direct measurement tool for photovoltaic module insulation detection, includes a detection table 1. A plurality of photovoltaic panels 2 are arranged on the top surface of the detection table 1. A PLC controller is fixedly installed on one side of the detection table 1. A detection component is arranged on the top surface of the detection table 1 for insulating detection of the photovoltaic panels 2. The insulation detection component includes: a first fixing plate 3, the first fixing plate 3 is fixedly installed on the top surface of the detection table 1. A movable placement table 4 is arranged on the top surface of the detection table 1. A rectangular through hole is opened on the top surface of the movable placement table 4. A limiting hole 5 is opened on one side of the movable placement table 4. A limiting column 6 is movably sleeved on the inner circular wall surface of the limiting hole 5. Second fixing plates 7 are respectively fixedly installed on both sides of the first fixing plate 3. The second fixing plates 7 are fixedly installed with the limiting columns 6. A support frame 8 is fixedly installed on the top surface of the detection table 1. First circular through holes are respectively opened on both sides of the support frame 8. A water inlet pipe 9 is fixedly sleeved on the inner circular wall surface of the first circular through holes. A second circular through hole is opened on the top surface of the support frame 8. The inner circular wall surface of the water outlet of the water inlet pipe 9 is fixedly sleeved with a spray head 10. The spray head 10 is fixedly sleeved with the second circular through hole. A fixed cover 11 is fixedly installed on the top surface of the detection table 1. A first support plate 14 is fixedly installed on the top surface of the detection table 1. A tester 15 is fixedly installed on the top surface of the first support plate 14. The model of the tester 15 is JG / Lattice-ST2643-L. A third fixing plate 12 is fixedly installed on the top surface of the detection table 1. Two third circular through holes are opened on the top surface of the third fixing plate 12. A first fan 13 is fixedly sleeved on the inner circular wall surface of the third circular through holes. A plurality of L-shaped plates 18 and support columns 19 are fixedly installed on one side inside the third fixing plate 12. A towel box 22 is fixedly installed on one side of the detection table 1.
[0024] In this embodiment, two threaded holes are formed in the top surface of the movable placement table 4. A threaded column 25 is threadedly connected to the inner circumferential wall of the threaded hole. A second support plate 16 is fixedly installed on the top surface of the first support plate 14. A plurality of fixed columns 17 are fixedly installed on the top surface of the second support plate 16. A fourth circular through hole is formed in the top surface of the fixed cover 11. An exhaust pipe 20 is fixedly sleeved on the inner circumferential wall of the fourth circular through hole. A second fan 21 is fixedly sleeved on the inner circumferential wall of the exhaust pipe 20. The second fan 21 is electrically connected to the PLC controller. A water collecting tank 23 is formed in the top surface of the detection table 1. A handle 24 is fixedly installed on one side of the movable placement table 4.
[0025] From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: By providing the detection table 1, when the user needs to perform insulation detection on the photovoltaic panel, at this time, through the provided movable placement table 4, the detection personnel place the photovoltaic panel 2 on the top surface of the movable placement table 4, push the handle 24 to drive the movable placement table 4 to move inside the first fixing plate 3, and the limiting column 6 is provided to limit and support the limiting hole 5 and the movable placement table 4. At the same time, the water inlet pipe 9 is connected to the water source so that water enters the inside of the nozzle 10 through the water inlet pipe 9 and sprays out. Furthermore, the movable placement table 4 drives the photovoltaic panel 2 into the inside of the fixed cover 11, so that the nozzle 10 sprays water on the bottom and top of the photovoltaic panel 2. When spraying water, the second fan 21 is turned on to extract and discharge the water mist inside the fixed cover 11 through the exhaust pipe 20, so that the inside of the fixed cover 11 maintains a negative pressure state. At the same time, the inner bottom surface of the detection table 1 is inclined downward to the lower left, so that the water flows to the left and into the inside of the water collecting tank 23. After spraying for a period of time, manually push the handle 24 to drive the movable placement table 4 and the photovoltaic panel 2 to move out of the inside of the fixed cover 11 to the left. Then, through the provided tester 15, the cable of the tester 15 is connected to the cable of the photovoltaic panel 2 to perform insulation detection on the photovoltaic panel 2. After the detection is completed, the cable of the tester 15 is placed between a plurality of fixed columns 17, which is convenient for taking and placing the cable. Through the provided towel box 22, a water wiping towel is placed inside the towel box 22, so that the towel is picked up to wipe the water stains on the outside of the photovoltaic panel 2. After wiping, the photovoltaic panel 2 is obliquely placed inside the L-shaped plate 18, and the photovoltaic panel 2 is supported by the provided support column 19. Then, the first fan 13 is started to blow downward on the outside of the photovoltaic panel 2 for drying. Thus, moving the handle 24 resets the movable placement table 4 to detect the next photovoltaic panel, thereby comprehensively achieving the effect of insulating the photovoltaic panel, enabling the simulation of the real environment by spraying water on the photovoltaic panel 2, enabling insulation detection when there is water on the outside of the photovoltaic panel, and drying the water stains on the outside of the photovoltaic panel 2 by the provided first fan 13 after the insulation performance detection, which is relatively practical.
[0026] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A direct testing tool for photovoltaic module insulation testing, comprising a testing platform (1), a plurality of photovoltaic panels (2) are arranged on the top surface of the testing platform (1), a PLC controller is fixedly installed on one side of the testing platform (1), and the characteristics are: It also includes a detection component, which is arranged on the top surface of the detection platform (1) and is used to perform insulation detection on the photovoltaic panel (2). The insulation detection component includes: a first fixing plate (3), and the first fixing plate (3) is fixedly installed on the top surface of the detection platform (1).
2. A photovoltaic module insulation detection direct measurement tool according to claim 1, characterized in that: The insulation detection component further comprises: a movable placement platform (4) is arranged on the top surface of the detection platform (1), a rectangular through hole is provided on the top surface of the movable placement platform (4), a limiting hole (5) is provided on one side of the movable placement platform (4), a limiting column (6) is movably sleeved on the inner circular wall surface of the limiting hole (5), second fixing plates (7) are respectively fixedly installed on both sides of the first fixing plate (3), the second fixing plate (7) is fixedly installed with the limiting column (6), a support frame (8) is fixedly installed on the top surface of the detection platform (1), first circular through holes are respectively provided on both sides of the support frame (8), a water inlet pipe (9) is fixedly sleeved on the inner circular wall surface of the first circular through hole, a second circular through hole is provided on the top surface of the support frame (8), and a water outlet of the water inlet pipe (9) is fixedly sleeved on the inner circular wall surface of the first circular through hole. A nozzle (10) is fixedly sleeved on the inner circular wall surface of the opening, and the nozzle (10) is fixedly sleeved with the second circular through hole. A fixed cover (11) is fixedly installed on the top surface of the detection platform (1). A first support plate (14) is fixedly installed on the top surface of the detection platform (1), and a tester (15) is fixedly installed on the top surface of the first support plate (14). A third fixed plate (12) is fixedly installed on the top surface of the detection platform (1), and two third circular through holes are provided on the top surface of the third fixed plate (12). A first fan (13) is fixedly sleeved on the inner circular wall surface of the third circular through hole. A plurality of L-shaped plates (18) and support columns (19) are fixedly installed on one side of the interior of the third fixed plate (12), and a towel box (22) is fixedly installed on one side of the detection platform (1).
3. A photovoltaic module insulation detection direct testing tool according to claim 2, characterized in that: The top surface of the movable placement platform (4) is provided with two threaded holes, and the inner circular wall surfaces of the threaded holes are threadedly connected with threaded columns (25).
4. A photovoltaic module insulation detection direct testing tool according to claim 2, characterized in that: A second support plate (16) is fixedly mounted on the top surface of the first support plate (14), and a plurality of fixing columns (17) are fixedly mounted on the top surface of the second support plate (16).
5. A photovoltaic module insulation detection direct testing tool according to claim 2, characterized in that: A fourth circular through hole is provided on the top surface of the fixed cover (11); an exhaust pipe (20) is fixedly sleeved on the inner circular wall surface of the fourth circular through hole; a second fan (21) is fixedly sleeved on the inner circular wall surface of the exhaust pipe (20); and the second fan (21) is electrically connected to the PLC controller.
6. A photovoltaic module insulation detection direct testing tool according to claim 1, characterized in that: A water collecting tank (23) is provided on the top surface of the detection platform (1).
7. A photovoltaic module insulation detection direct testing tool according to claim 2, characterized in that: A handle (24) is fixedly mounted on one side of the movable placement platform (4).