Photovoltaic combiner box

Abstract

The utility model relates to the technical field of photovoltaic combiner boxes, in particular to a photovoltaic combiner box which comprises a mounting plate, fixing boxes distributed in an array are mounted on the front end face of the mounting plate, clamping blocks are clamped in the fixing boxes, and a photovoltaic combiner box body is fixedly connected to the inner side faces of the clamping blocks. According to the photovoltaic combiner box mounting plate, the whole mounting plate can be fixed on a wall through the supporting plates and the second fastening bolts, then the whole photovoltaic combiner box can be conveniently and rapidly mounted or dismounted in a clamping mode, time and labor are saved, and the mounting plate is convenient to mount and dismount. The photovoltaic combiner box dismounting efficiency is improved, third fastening bolts are rotated to relieve limiting of the containing plate, in this way, a movable rotating plate and a rotating plate which are rotationally installed can rotate relative to each other so that the containing plate can be moved out of the photovoltaic combiner box, and electrical installation guide rails on the containing plate can be comprehensively displayed; therefore, electrical components in the photovoltaic combiner box can be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic combiner boxes, in particular to a photovoltaic combiner box. Background Art

[0002] The photovoltaic combiner box is a connection device in the photovoltaic power generation system that ensures that the photovoltaic components can be connected and combined in an orderly manner. This device can ensure that the photovoltaic system is easier to cut off the circuit during maintenance and inspection, thereby improving the reliability of the photovoltaic system.

[0003] The prior art discloses patent application number "CN202322210015.8", a new type of photovoltaic junction box, including a junction box, a first motor and a fixed drill rod, the four ends of the junction box are fixedly installed with connecting plates, and the upper end of the connecting plate is fixedly installed with a limit frame, and the upper end of the limit frame is fixedly installed with a motor bracket, the upper end of the motor bracket is fixedly installed with a first motor, and the lower end of the first motor is fixedly connected to a threaded rod, and the outer side of the threaded rod is threadedly connected to the fixed drill rod.

[0004] The photovoltaic combiner box requires the use of a motor and a fixed drill rod to install the combiner box. This fixing method can only quickly install the combiner box, but it will increase the corresponding cost. At the same time, most combiner boxes are usually fixed with bolts. This installation method is time-consuming and labor-intensive, increases labor intensity, and makes it inconvenient to dismantle the entire photovoltaic combiner box, thereby affecting the efficiency of dismantling the photovoltaic combiner box and making it inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a photovoltaic combiner box to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A photovoltaic combiner box comprises a mounting plate, a front end surface of the mounting plate is mounted with a fixed box distributed in an array, a card block is clamped inside the fixed box, an inner side surface of the card block is fixedly connected with a photovoltaic combiner box body, a positioning slide plate for fixing the card block is slidably connected with the inner side surface of the fixed box, a connecting spring is connected between the positioning slide plate and the fixed box, and a vertical plate is fixedly mounted on the front end surface of the positioning slide plate;

[0008] The front end surface of the vertical plate is threadedly connected with two No. 1 fastening bolts for supporting the positioning slide plate, and a limiting plug rod for fixing the block is slidably clamped on one side of the fixing box. Two support plates are fixedly installed at both ends of the mounting plate, and the front end surfaces of the four support plates are threadedly connected with No. 2 fastening bolts for fixing the mounting plate, and the upper end surfaces of the four support plates are clamped with sealing covers for sealing the No. 2 fastening bolts.

[0009] Preferably, two U-shaped seats are fixedly installed inside the photovoltaic junction box body, the inner sides of the two U-shaped seats are rotatably connected to movable rotating plates, the inner sides of the two movable rotating plates are rotatably connected to rotating plates, and the front ends of the two rotating plates are fixedly connected to placement plates.

[0010] Preferably, the front end surface of the placement plate is fixedly connected to an array-distributed electrical installation rail by screws, and the front end surface of the placement plate is respectively threadedly connected to four No. 3 fastening bolts for fixing the placement plate, and the rear side of the No. 3 fastening bolts passes through the placement plate and extends to the rear end surface of the placement plate.

[0011] Preferably, four thread grooves are provided inside the photovoltaic combiner box body, the thread grooves are adapted to the No. 3 fastening bolts, and the outer surfaces of the No. 3 fastening bolts are connected to the internal threads of the photovoltaic combiner box body through the thread grooves.

[0012] Preferably, the front side of the positioning slide passes through the fixing box and extends to the front end surface of the fixing box, one side of the connecting spring is connected to the inside of the fixing box, and the other side of the connecting spring is connected to the front end surface of the positioning slide, and the rear side of the No. 1 fastening bolt passes through the vertical plate and extends to the rear end surface of the vertical plate.

[0013] Preferably, the inner side surface of the limiting plug rod passes through the block and extends to one side of the block, and the rear side of the No. 2 fastening bolt passes through the support plate and extends to the rear end surface of the support plate.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model can first fix the entire mounting plate on the wall by using the support plate and the second fastening bolt, and then use the clamping method to conveniently install or remove the entire photovoltaic combiner box, saving time and effort, reducing labor intensity, and improving the efficiency of photovoltaic combiner box removal;

[0016] 2. The utility model releases the limit on the placement plate by rotating the No. 3 fastening bolts respectively, so that the movable rotating plate and the rotating plate installed can rotate relative to each other to allow the placement plate to be moved out of the photovoltaic combiner box, so that the electrical installation guide rails on the placement plate can be fully displayed, so as to detect the electrical components inside the photovoltaic combiner box, thereby improving the convenience of using the photovoltaic combiner box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This utility model Figure 1 Installation diagram of the middle fixed box and the card block;

[0020] Figure 3 This utility model Figure 1 Schematic diagram of the structure of the middle support plate and No. 2 fastening bolts;

[0021] Figure 4 This utility model Figure 3 The enlarged view of point A in the middle;

[0022] Figure 5 This utility model Figure 1 Installation diagram of the movable rotating plate, rotating plate and placement plate;

[0023] The reference numerals in the figures are as follows:

[0024] 1. Mounting plate; 2. Fixing box; 3. Block; 4. PV combiner box body; 5. Positioning slide plate; 6. Connecting spring; 7. Vertical plate; 8. No. 1 fastening bolt; 9. Limiting rod; 10. Support plate; 11. No. 2 fastening bolt; 12. Sealing cover; 13. U-shaped seat; 14. Movable rotating plate; 15. Rotating plate; 16. Placement plate; 17. Electrical installation rail; 18. No. 3 fastening bolt; 19. Threaded groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 1 to 5 As shown, a photovoltaic combiner box comprises a mounting plate 1, a front end surface of the mounting plate 1 is mounted with a fixed box 2 distributed in an array, a card block 3 is clamped inside the fixed box 2, and a photovoltaic combiner box body 4 is fixedly connected to the inner side surface of the card block 3. By installing and using the fixed box 2 and the card block 3, the card block 3 is clamped to the inside of the fixed box 2, so that the entire photovoltaic combiner box can be positioned and installed, a positioning slide plate 5 for fixing the card block 3 is slidably connected to the inner side surface of the fixed box 2, a connecting spring 6 is connected between the positioning slide plate 5 and the fixed box 2, and a vertical plate 7 is fixedly installed on the front end surface of the positioning slide plate 5;

[0027] The front end surface of the vertical plate 7 is threadedly connected with two No. 1 fastening bolts 8 for supporting the positioning slide plate 5. Through the setting of the No. 1 fastening bolts 8, the entire vertical plate 7 can be supported by simply rotating the No. 1 fastening bolts 8 in the opposite direction, so that the elastic positioning slide plate 5 can be moved away from the block 3 to release the limit on the block 3, thereby facilitating the upward movement of the block 3 to remove the photovoltaic junction box. A limiting plug rod 9 for fixing the block 3 is slidably connected to one side of the fixing box 2. Two support plates 10 are fixedly installed at both ends of the mounting plate 1. The front end surfaces of the four support plates 10 are threadedly connected with No. 2 fastening bolts 11 for fixing the mounting plate 1, and the upper end surfaces of the four support plates 10 are clamped with sealing covers 12 for sealing the No. 2 fastening bolts 11.

[0028] Two U-shaped seats 13 are fixedly installed inside the photovoltaic junction box body 4, and the inner sides of the two U-shaped seats 13 are rotatably connected to the movable rotating plates 14, and the inner sides of the two movable rotating plates 14 are rotatably connected to the rotary plates 15, and the front ends of the two rotary plates 15 are fixedly connected to the placement plates 16. Through the setting of the photovoltaic junction box, the rotation adjustment of the movable rotating plates 14 and the rotary plates 15 can drive the entire placement plates 16 to be retracted into the interior of the photovoltaic junction box body 4, so as to fix the photovoltaic junction box body 4.

[0029] The front end surface of the placement plate 16 is fixedly connected to an array-distributed electrical installation rail 17 by screws, and the front end surface of the placement plate 16 is respectively threadedly connected with four No. 3 fastening bolts 18 for fixing the placement plate 16. Through the setting of the No. 3 fastening bolts 18, the placement plate 16 can be fixed inside the photovoltaic junction box using the No. 3 fastening bolts 18, thereby improving the stability of the placement plate 16 and facilitating the use of the electrical installation rail 17 to install electrical components. The rear side of the No. 3 fastening bolts 18 penetrates the placement plate 16 and extends to the rear end surface of the placement plate 16.

[0030] Four thread grooves 19 are provided inside the photovoltaic combiner box body 4 , and the thread grooves 19 are adapted to the No. 3 fastening bolts 18 . The outer surface of the No. 3 fastening bolts 18 is connected to the internal threads of the photovoltaic combiner box body 4 through the thread grooves 19 .

[0031] The front side of the positioning slide plate 5 passes through the fixing box 2 and extends to the front end surface of the fixing box 2, one side of the connecting spring 6 is connected to the inside of the fixing box 2, and the other side of the connecting spring 6 is connected to the front end surface of the positioning slide plate 5, and the rear side of the No. 1 fastening bolt 8 passes through the vertical plate 7 and extends to the rear end surface of the vertical plate 7.

[0032] The inner side surface of the limiting plug rod 9 passes through the block 3 and extends to one side of the block 3 , and the rear side of the No. 2 fastening bolt 11 passes through the support plate 10 and extends to the rear end surface of the support plate 10 .

[0033] The working principle of a photovoltaic combiner box provided by the utility model is as follows:

[0034] The entire mounting plate 1 can be first fixed to the wall by using the support plate 10 and the No. 2 fastening bolts 11, and then the four card blocks 3 at the photovoltaic junction box body 4 are clamped into the inside of the four fixing boxes 2, so that the fixing box 2 and the card blocks 3 can initially fix the photovoltaic junction box, and then the two No. 1 fastening bolts 8 at the vertical plate 7 are rotated to allow the No. 1 fastening bolts 8 to release the support of the vertical plate 7, and then the positioning slide plate 5 equipped with the connecting spring 6 will slide and clamp into the inside of the card block 3 to limit the card block 3 in the fixing box 2, and then the limiting plug rod 9 is inserted into the fixing box 2 and the card block 3 to reinforce the installation of the card block 3 and improve the stability of the photovoltaic combiner box during installation. In this way, the use of the card connection method can facilitate the convenient installation or removal of the entire photovoltaic combiner box, save time and labor, reduce labor intensity, and improve the efficiency of removing the photovoltaic combiner box. At the same time, the sealing cover 12 is inserted into the support plate 10, so that the sealing cover 12 can seal and protect the No. 2 fastening bolt 11, thereby protecting the No. 2 fastening bolt 11 used to fix the mounting plate 1, and preventing the No. 2 fastening bolt 11 from being eroded by rainwater and rusting;

[0035] By rotating the four No. 3 fastening bolts 18 on the placement plate 16 respectively, the No. 3 fastening bolts 18 release the limit on the placement plate 16, and then pull the placement plate 16 outward, the rotatably installed movable rotating plate 14 and rotating plate 15 can rotate with each other to drive the placement plate 16 to move out of the photovoltaic junction box, so that the electrical installation guide rails 17 on the placement plate 16 can be fully displayed, so as to detect the electrical components inside the photovoltaic junction box, thereby improving the convenience of using the photovoltaic junction box.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A photovoltaic combiner box, comprising a mounting plate (1), characterized in that: The front end surface of the mounting plate (1) is mounted with an array-distributed fixing box (2), the fixing box (2) is internally clamped with a clamping block (3), the inner side surface of the clamping block (3) is fixedly connected with a photovoltaic junction box body (4), the inner side surface of the fixing box (2) is slidably connected with a positioning slide plate (5) for fixing the clamping block (3), a connecting spring (6) is connected between the positioning slide plate (5) and the fixing box (2), and a vertical plate (7) is fixedly mounted on the front end surface of the positioning slide plate (5); The front end surface of the vertical plate (7) is threadedly connected with two No. 1 fastening bolts (8) for supporting the positioning slide plate (5); one side of the fixing box (2) is slidably clamped with a limiting plug rod (9) for fixing the clamping block (3); two support plates (10) are fixedly installed at both ends of the mounting plate (1); the front end surfaces of the four support plates (10) are threadedly connected with No. 2 fastening bolts (11) for fixing the mounting plate (1); and the upper end surfaces of the four support plates (10) are clamped with sealing covers (12) for sealing the No. 2 fastening bolts (11).

2. A photovoltaic combiner box according to claim 1, characterized in that: Two U-shaped seats (13) are fixedly installed inside the photovoltaic junction box body (4), the inner side surfaces of the two U-shaped seats (13) are rotatably connected to movable rotating plates (14), the inner side surfaces of the two movable rotating plates (14) are rotatably connected to rotating plates (15), and the front end surfaces of the two rotating plates (15) are fixedly connected to a placement plate (16).

3. A photovoltaic combiner box according to claim 2, characterized in that: The front end surface of the placement plate (16) is fixedly connected to an array-distributed electrical installation rail (17) by screws, and the front end surface of the placement plate (16) is respectively threadedly connected to four No. 3 fastening bolts (18) for fixing the placement plate (16), and the rear side of the No. 3 fastening bolts (18) passes through the placement plate (16) and extends to the rear end surface of the placement plate (16).

4. A photovoltaic combiner box according to claim 3, characterized in that: Four thread grooves (19) are provided inside the photovoltaic combiner box body (4), and the thread grooves (19) are adapted to the No. 3 fastening bolts (18), and the outer surfaces of the No. 3 fastening bolts (18) are connected to the internal threads of the photovoltaic combiner box body (4) through the thread grooves (19).

5. A photovoltaic combiner box according to claim 1, characterized in that: The front side of the positioning slide plate (5) passes through the fixing box (2) and extends to the front end surface of the fixing box (2); one side of the connecting spring (6) is connected to the inside of the fixing box (2), and the other side of the connecting spring (6) is connected to the front end surface of the positioning slide plate (5); the rear side of the No. 1 fastening bolt (8) passes through the vertical plate (7) and extends to the rear end surface of the vertical plate (7).

6. A photovoltaic combiner box according to claim 1, characterized in that: The inner side surface of the limiting plug rod (9) passes through the block (3) and extends to one side of the block (3), and the rear side of the No. 2 fastening bolt (11) passes through the support plate (10) and extends to the rear end surface of the support plate (10).

Images