Environment-friendly photovoltaic inverter connecting terminal

Abstract

The utility model belongs to the technical field of inverter connecting terminals, and particularly relates to an environment-friendly photovoltaic inverter connecting terminal which comprises a shell, four fixing columns are fixedly connected to the inner bottom of the shell, one ends of the four fixing columns are jointly and fixedly connected with a circuit board, a first clamping groove is formed in one side of the shell, and a second clamping groove is formed in the other side of the shell. A first clamping groove is formed in the upper portion of the base, a plurality of first springs are fixedly connected to one side of the interior of the first clamping groove, one ends of the first springs are jointly and fixedly connected with a sliding frame, and the sliding frame is connected into the first clamping groove in a sliding mode. The rotating column drives the rotating disc to rotate, the rotating disc drives the sliding column to move through the arc-shaped groove, the sliding column drives the clamping column to move, the clamping column penetrates through the shell and is clamped into the corresponding fixing hole, the cover plate is fixed, screws do not need to be used for fixing the cover plate, and maintenance personnel can conveniently disassemble and assemble the cover plate for maintenance and repair.

Description

TECHNICAL FIELD

[0001] The utility model relates to inverter connecting terminal technical field especially relates to environmental protection type photovoltaic inverter connecting terminal. BACKGROUND

[0002] The photovoltaic inverter is the core component of the solar photovoltaic power generation system, and its core function is to convert the direct current power generated by the solar cell into alternating current power meeting the power grid power standard. As the conversion interface between the photovoltaic cell and the power grid, the photovoltaic inverter is responsible for regulating and controlling the power output of the entire photovoltaic system. During the wiring process of the photovoltaic inverter, the terminal screw needs to be loosened, then the wire is passed through the connecting box and the wire head is stripped, and then the wire is connected to the terminal port according to the positive and negative poles. Finally, the connecting box screw and the cap are tightened to complete the wiring.

[0003] However, in the existing equipment, the cover plate of most inverters is fixedly installed on the shell by screws, which is relatively cumbersome to disassemble and assemble, affecting the maintenance and repair of the inverter by maintenance personnel. Therefore, an environmental protection type photovoltaic inverter connecting terminal is proposed. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a photovoltaic inverter connecting terminal which solves the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model discloses a photovoltaic inverter connecting terminal which solves the problems in the prior art.

[0006] As a further description of the above technical solution:

[0007] The inside opposite sides of the connecting box are fixedly connected with drying boxes, and each drying box is provided with a drying agent.

[0008] As a further description of the above technical solution:

[0009] One side of the cover plate is fixedly connected with a clamping frame, four fixing holes are formed in the inner side wall of the clamping frame, the clamping frame is matched with the first clamping groove, four fixed plates are fixedly connected to one side of the cover plate, a rubber frame is fixedly connected to one side of the cover plate, and the rubber frame is matched with the second clamping groove.

[0010] As a further description of the above technical scheme:

[0011] The quick disassembly structure comprises a rotating column penetrating through and being rotatably connected to one side of the cover plate, a rotating column is fixedly connected to one side of the rotating column, a rotating disc is fixedly connected to one side of the rotating column, and four arc-shaped grooves are formed in one side of the rotating disc.

[0012] As a further description of the above technical scheme:

[0013] One side of each of the four fixed plates is slidably connected with a clamping column, one side of each clamping column is fixedly connected with a sliding column, each sliding column is slidably connected in the corresponding arc-shaped groove, one end of each sliding column penetrates through the corresponding side of the shell, and each sliding column is matched with the corresponding fixing hole.

[0014] As a further description of the above technical scheme:

[0015] The clamping assembly comprises a sliding rod slidably connected to one side of the connecting terminal body, one end of the sliding rod is fixedly connected with a pressing block, and the pressing block is slidably connected in the corresponding sliding groove.

[0016] As a further description of the above technical scheme:

[0017] A second spring is movably arranged on the sliding rod, one end of the second spring is fixedly connected with the inside of the sliding groove, and the other end is fixedly connected with one side of the pressing block.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] 1、Compared with the prior art, the connecting terminal for the environment-friendly photovoltaic inverter is provided with a rotating column, a rotating column, a rotating disc, a clamping column and a sliding column, a cover plate is covered, the clamping frame and the rubber frame are clamped into the first clamping groove and the second clamping groove respectively, the clamping frame extrudes the sliding frame, the sliding frame compresses the plurality of first springs, then the rotating column is rotated, the rotating column drives the rotating column to rotate, the rotating column drives the rotating disc to rotate, the rotating disc moves the sliding column through the arc-shaped groove, the sliding column drives the clamping column to move, the clamping column penetrates through the shell and is clamped into the corresponding fixing hole, and the cover plate is fixed.

[0020] 2、Compared with the prior art, the environmental protection type photovoltaic inverter connecting terminal, through the setting sliding rod, extrusion block and second spring etc., the electric wire is inserted into the corresponding clamping groove after passing through the sealing ring, the electric wire pushes the extrusion block, the extrusion block pushes the sliding rod and compresses the second spring, the extrusion block is extruded by the elasticity of the second spring, the extrusion block extrudes the electric wire, the electric wire is extruded and fixed, without extruding and fixing through the bolt, convenient operation, conducive to improving the connecting efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model provides a three -dimensional structure schematic diagram of environmental protection type photovoltaic inverter connecting terminal is provided for the utility model,

[0022] Figure 2 The utility model provides a section view of environmental protection type photovoltaic inverter connecting terminal is provided for the utility model,

[0023] Figure 3 The utility model provides an explosion view of shell and cover plate of environmental protection type photovoltaic inverter connecting terminal is provided for the utility model,

[0024] Figure 4 The utility model provides an explosion view of shell and first spring of environmental protection type photovoltaic inverter connecting terminal is provided for the utility model,

[0025] Figure 5 The utility model provides a clamping assembly schematic drawing of environmental protection type photovoltaic inverter connecting terminal is provided for the utility model,

[0026] Figure 6 The utility model provides an explosion view of clamping assembly of environmental protection type photovoltaic inverter connecting terminal is provided for the utility model,

[0027] Figure 7 The utility model provides a quick -release structure schematic drawing of environmental protection type photovoltaic inverter connecting terminal is provided for the utility model,

[0028] Figure 8 The utility model provides an explosion view of quick -release structure of environmental protection type photovoltaic inverter connecting terminal is provided for the utility model.

[0029] LEGEND:

[0030] 1, shell, 2, connecting box, 3, sealing ring, 4, first clamping groove, 5, first spring, 6, sliding frame, 7, second clamping groove, 8, drying box, 9, circuit board, 10, connecting terminal main part, 101, clamping groove, 102, sliding groove, 11, clamping assembly, 111, sliding rod, 112, extrusion block, 113, second spring, 12, cover plate, 13, clamping frame, 14, rubber frame, 15, fixed plate, 16, quick -release structure, 161, rotating column, 162, rotating column, 163, rotating disc, 164, clamping column, 165, sliding column, 17, fixed column. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] With reference to Figures 1 to 8 The environmental protection type photovoltaic inverter connecting terminal provided by the utility model: including casing 1, four fixed columns 17 are fixedly connected to the inner bottom of casing 1, the one end of four fixed columns 17 is commonly fixedly connected with circuit board 9, the one side of casing 1 is provided with first clamping groove 4, a plurality of first springs 5 are fixedly connected to the inside one side of first clamping groove 4, the one end of a plurality of first springs 5 is commonly fixedly connected with sliding frame 6, sliding frame 6 is slidingly connected in first clamping groove 4, the one side of sliding frame 6 is fixedly connected with sealing gasket, the bottom of casing 1 is fixedly connected with connecting terminal main body 10, a plurality of clamping grooves 101 are formed in the bottom of connecting terminal main body 10, the one side of each clamping groove 101 is provided with sliding groove 102, and clamping assembly 11 is arranged in each sliding groove 102, the bottom of casing 1 is fixedly connected with connecting box 2, the opposite sides in the inside of connecting box 2 are fixedly connected with drying box 8, drying agent is arranged in each drying box 8, the drying agent dries the inside of connecting box 2, reduces the moisture in the air in the inside of connecting box 2, is favorable for reducing the probability that connecting terminal main body 10 causes short circuit of line due to damp, the inner bottom of connecting box 2 is provided with wire hole, the one end of each wire hole is fixedly connected with sealing ring 3, when the wire passes through sealing ring 3, the wire is sealed by the extrusion of sealing ring 3, reduces the probability that rainwater penetrates into connecting box 2, the one side of connecting box 2 is provided with second clamping groove 7, the one side of casing 1 movably is provided with cover plate 12, the one side of cover plate 12 is fixedly connected with clamping frame 13, four fixed holes are formed in the inner side wall of clamping frame 13, clamping frame 13 is matched with first clamping groove 4, the one side of cover plate 12 is fixedly connected with four fixed plates 15, the one side of cover plate 12 is fixedly connected with rubber frame 14, rubber frame 14 is favorable for reducing the probability that external air enters into connecting box 2, rubber frame 14 is matched with second clamping groove 7, and quick release structure 16 is arranged on cover plate 12;

[0033] In order to achieve the purpose of quick disassembly, the quick release structure 16 comprises a rotating column 161 rotatably connected on one side of the cover plate 12, one side of the rotating column 161 is fixedly connected with a rotating column 162, one side of the rotating column 161 is fixedly connected with a rotating disc 163, four arc-shaped grooves are formed on one side of the rotating disc 163, one side of each of the four fixed plates 15 is slidably connected with a clamping column 164, one side of each of the clamping columns 164 is fixedly connected with a sliding column 165, each of the sliding columns 165 is slidably connected in the corresponding arc-shaped groove, one end of each of the sliding columns 165 penetrates through the corresponding side inside the shell 1, each of the sliding columns 165 is matched with the corresponding fixed hole, the cover plate 12 is covered, the clamping frame 13 and the rubber frame 14 are clamped into the first clamping groove 4 and the second clamping groove 7 respectively, the clamping frame 13 extrudes the sliding frame 6, the sliding frame 6 compresses the plurality of first springs 5, then the rotating column 162 is rotated, the rotating column 162 drives the rotating column 161 to rotate, the rotating column 161 drives the rotating disc 163 to rotate, the rotating disc 163 drives the sliding column 165 to move through the arc-shaped groove, the sliding column 165 drives the clamping column 164 to move, so that the clamping column 164 penetrates through the shell 1 and is clamped into the corresponding fixed hole, the cover plate 12 is fixed, without using screws to fix the cover plate 12, the maintenance personnel can conveniently disassemble and assemble the cover plate 12 for maintenance and repair;

[0034] In order to achieve the purpose of improving the connection efficiency, the clamping assembly 11 comprises a sliding rod 111 slidably connected on one side of the connecting terminal body 10, one end of the sliding rod 111 is fixedly connected with an extrusion block 112, a second spring 113 is movably arranged on the sliding rod 111, one end of the second spring 113 is fixedly connected with the inside of the sliding groove 102, the other end is fixedly connected with one side of the extrusion block 112, the sliding block 112 is slidably connected in the corresponding sliding groove 102, the wire is inserted into the corresponding clamping groove 101 through the sealing ring 3, the wire pushes the extrusion block 112, the extrusion block 112 pushes the sliding rod 111 and compresses the second spring 113, through the elasticity of the second spring 113, the extrusion block 112 is extruded, the extrusion block 112 extrudes the wire, the wire is extruded and fixed, without being extruded and fixed by bolts, the operation is convenient, and the connection efficiency is improved.

[0035] Working principle: the wire is inserted into the corresponding clamping groove 101 through the sealing ring 3, then the wire pushes the extrusion block 112, the extrusion block 112 pushes the sliding rod 111 and compresses the second spring 113, through the elasticity of the second spring 113, the extrusion block 112 is extruded, the extrusion block 112 extrudes the wire, the wire is extruded and fixed, without extruding and fixing through bolts, convenient operation, which is conducive to improving the connection efficiency, then cover the cover plate 12, make the clamping frame 13 and the rubber frame 14 respectively into the first clamping groove 4 and the second clamping groove 7, the clamping frame 13 extrudes the sliding frame 6, the sliding frame 6 compresses a plurality of first springs 5, then rotate the rotating column 162, the rotating column 162 drives the rotating column 161 to rotate, the rotating column 161 drives the rotating disc 163 to rotate, the rotating disc 163 moves the sliding column 165 through the arc-shaped groove, the sliding column 165 drives the clamping column 164 to move, the clamping column 164 penetrates the shell 1 and is clamped into the corresponding fixed hole, the cover plate 12 is fixed, without using screws to fix the cover plate 12, convenient for maintenance personnel to disassemble the cover plate 12 for maintenance and repair.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. Environment-friendly photovoltaic inverter connection terminal, comprising a housing (1), characterized in that: The inner bottom of the shell (1) is fixedly connected with four fixed columns (17), one end of the four fixed columns (17) is fixedly connected with a circuit board (9), one side of the shell (1) is provided with a first clamping groove (4), one side of the first clamping groove (4) is fixedly connected with a plurality of first springs (5), one end of the plurality of first springs (5) is fixedly connected with a sliding frame (6), the sliding frame (6) is slidingly connected in the first clamping groove (4), one side of the sliding frame (6) is fixedly connected with a sealing gasket, the bottom of the shell (1) is fixedly connected with a connecting terminal body (10), the bottom of the connecting terminal body (10) is provided with a plurality of clamping grooves (101), one side of each clamping groove (101) is provided with a sliding groove (102), each sliding groove (102) is provided with a clamping assembly (11), the bottom of the shell (1) is fixedly connected with a connecting box (2), one side of the connecting box (2) is provided with a second clamping groove (7), one side of the shell (1) is movably provided with a cover plate (12), the cover plate (12) is provided with a quick release structure (16).

2. The environmentally friendly photovoltaic inverter connection terminal according to claim 1, characterized in that: Opposite sides of the connecting box (2) are fixedly connected with drying boxes (8), each drying box (8) is provided with a drying agent, the inner bottom of the connecting box (2) is provided with a wire hole, and each wire hole is fixedly connected with a sealing ring (3).

3. The environmentally friendly photovoltaic inverter connection terminal according to claim 1, characterized in that: One side of the cover plate (12) is fixedly connected with a clamping frame (13), four fixed holes are formed in the inner side wall of the clamping frame (13), the clamping frame (13) is matched with the first clamping groove (4), four fixed plates (15) are fixedly connected to one side of the cover plate (12), one side of the cover plate (12) is fixedly connected with a rubber frame (14), and the rubber frame (14) is matched with the second clamping groove (7).

4. The environmentally friendly photovoltaic inverter connection terminal according to claim 1, characterized in that: The quick release structure (16) comprises a rotating column (161) penetratingly and rotatingly connected to one side of the cover plate (12), one side of the rotating column (161) is fixedly connected with a rotating column (162), one side of the rotating column (161) is fixedly connected with a rotating disc (163), and four arc-shaped grooves are formed in one side of the rotating disc (163).

5. The environmentally friendly photovoltaic inverter connection terminal according to claim 3, characterized in that: One side of each of the four fixed plates (15) penetrates and slidingly connects a clamping column (164), one side of each clamping column (164) is fixedly connected with a sliding column (165), each sliding column (165) is slidingly connected in the corresponding arc-shaped groove, one end of each sliding column (165) penetrates the corresponding side in the shell (1), and each sliding column (165) is matched with the corresponding fixed hole.

6. The environmentally friendly photovoltaic inverter connection terminal of claim 1, wherein: The clamping assembly (11) comprises a sliding rod (111) penetratingly and slidingly connected to one side of the connecting terminal body (10), one end of the sliding rod (111) is fixedly connected with a pressing block (112), and the pressing block (112) is slidingly connected in the corresponding sliding groove (102).

7. The environmentally friendly photovoltaic inverter connection terminal according to claim 6, characterized in that: The second spring (113) is movably arranged on the sliding rod (111), one end of the second spring (113) is fixedly connected with the inner side of the sliding groove (102), and the other end is fixedly connected with one side of the extrusion block (112).

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