Photovoltaic energy storage electrical junction box structure

Abstract

The utility model provides a photovoltaic energy storage electrical junction box structure, and relates to the technical field of energy storage electrical junction box structures, the photovoltaic energy storage electrical junction box structure comprises a junction box body, the top of the junction box body is provided with two storage assemblies, each storage assembly comprises a bottom plate, the inner wall of each bottom plate is fixedly connected with a fixing block, and the inner wall of each bottom plate is fixedly connected with a fixing block. Fixing shafts are fixedly connected to the positions, close to the centers, of the inner walls of the two bottom plates, connecting plates are fixedly connected to the outer surfaces of one sides of the two bottom plates, first round holes are formed in the outer surfaces of one sides of the two connecting plates, and second round holes are formed in the outer surfaces of the other sides of the two connecting plates. According to the utility model, the storage assembly is arranged to store redundant cables, and the redundant cables are shrunk in the connecting plate through the elastic force of the elastic coil spring, so that the redundant cables can be effectively prevented from being wound together, and the maintenance difficulty is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of energy storage electrical junction box structure, and in particular to a photovoltaic energy storage electrical junction box structure. Background Technology

[0002] Photovoltaic energy storage electrical junction boxes are electrical devices specifically designed for photovoltaic power generation systems and energy storage systems. They are mainly used to connect and manage the electrical connections between components such as photovoltaic modules, inverters, and batteries, supporting energy storage and management.

[0003] In existing technologies, photovoltaic energy storage electrical junction boxes typically have a positive output cable and a negative output cable on their exterior. These cables are usually quite long because they need to extend to the installation location of the photovoltaic modules to connect to the inverter, energy storage system, and grid-connected equipment. After the cables are installed, the excessive length of the cables exposed to the outside can lead to messy wiring, which can cause the cables to get tangled together and increase the difficulty of maintenance. Utility Model Content

[0004] The purpose of this utility model is to solve the problem in the existing technology that excessively long exposed cables will cause messy wiring, which will lead to the cables getting tangled together and increase the difficulty of maintenance. Therefore, a photovoltaic energy storage electrical junction box structure is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a photovoltaic energy storage electrical junction box structure, comprising a junction box body, two storage components on the top of the junction box body, each of the two storage components including a base plate, a fixing block fixedly connected to the inner wall of each of the two base plates, a fixing shaft fixedly connected to the inner wall of each of the two base plates near the center, a connecting plate fixedly connected to one outer surface of each of the two base plates, a first circular hole opened on one outer surface of each of the two connecting plates, a second circular hole opened on the other outer surface of each of the two connecting plates, and an elastic coil spring provided on the outer surface of each of the two fixing shafts.

[0006] Preferably, the outer surface of the other side of both base plates is fixedly connected to the outer surface of the junction box body, and the outer surface of one side of both fixing blocks is fixedly connected to the outer surface of the junction box body.

[0007] Preferably, one end of each of the two fixed shafts is fixedly inserted through the outer surface of the two connecting plates and extends to one side, and the outer surfaces of the two elastic coil springs are respectively in contact with the inner walls of the two connecting plates.

[0008] Preferably, one end of each of the two elastic coil springs is fixedly connected to the outer surface of the two fixed shafts, and a cover plate is fixedly connected to the inner wall of each of the two connecting plates near one edge.

[0009] Preferably, the outer surface of the terminal box body is provided with two terminal ends, the inner walls of the two terminal ends are provided with cables, the outer surfaces of the two cables are fixedly connected with the inner walls of two fixing blocks respectively, and the outer surfaces of the two cables are slidably connected with the inner walls of two first circular holes respectively.

[0010] Preferably, the outer surfaces of the two cables are fixedly connected with the other ends of two elastic coils respectively, the outer surfaces of the two cables are slidably connected with the inner walls of two second circular holes respectively, one end of one cable is provided with a first connector, and one end of the other cable is provided with a second connector.

[0011] Preferably, a plurality of grooves are arranged uniformly on the two sides of the outer surface of the terminal box body, and a protective net is fixedly connected to the two sides of the outer surface of the terminal box body.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、In the utility model, the excess cable is accommodated through the accommodation assembly, the excess cable is retracted in the connecting plate through the elastic force of the elastic coil, so that the excess cable can be effectively prevented from winding together, and the maintenance difficulty is reduced.

[0014] 2、In the utility model, the protective net is arranged outside the groove, the heat dissipation effect of the terminal box body can be effectively guaranteed through the arrangement of multiple grooves, the heat dissipation effect of the terminal box body can be guaranteed, dust particles can be prevented from entering the inside of the terminal box body from the groove to cause interference to the inside, so that the stability of the photovoltaic energy storage electrical terminal box structure can be guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A front view of the photovoltaic energy storage electrical terminal box structure is provided for the utility model;

[0016] Figure 2 A front view of the bottom plate of the photovoltaic energy storage electrical terminal box structure is provided for the utility model;

[0017] Figure 3 A front view of the connecting plate of the photovoltaic energy storage electrical terminal box structure is provided for the utility model;

[0018] Figure 4 A front view of the cable of the photovoltaic energy storage electrical terminal box structure is provided for the utility model;

[0019] Figure 5 For Figure 4 An enlarged view of position A in the utility model.

[0020] Legend: 1. Junction box body 1; 2. Storage component; 201. Base plate; 202. Fixing block; 203. Fixing shaft; 204. Connecting plate; 205. First round hole; 206. Second round hole; 207. Elastic coil spring; 3. Cover plate; 4. Terminal; 5. Cable; 6. First connector; 7. Second connector; 8. Groove; 9. Protective net. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: As Figures 1-5 As shown, this utility model provides a photovoltaic energy storage electrical junction box structure, including a junction box body 1. Two storage components 2 are arranged on the top of the junction box body 1. Each storage component 2 includes a base plate 201. Fixing blocks 202 are fixedly connected to the inner walls of both base plates 201. Fixing shafts 203 are fixedly connected to the inner walls of both base plates 201 near their centers. Connecting plates 204 are fixedly connected to the outer surfaces of one side of each base plate 201. A first circular hole 205 is formed on the outer surface of one side of each connecting plate 204, and a second circular hole 206 is formed on the outer surface of the other side of each connecting plate 204. Elastic coil springs 207 are provided on the outer surfaces of both fixing shafts 203. The outer surfaces of the other sides of both base plates 201 are fixed to the outer surfaces of the junction box body 1. The two fixed blocks 202 are fixedly connected to the outer surface of the junction box body 1 on one side. One end of each of the two fixed shafts 203 is fixedly connected through the outer surface of the two connecting plates 204 and extends to one side. The outer surfaces of the two elastic coil springs 207 are respectively attached to the inner walls of the two connecting plates 204. One end of each elastic coil spring 207 is fixedly connected to the outer surface of the two fixed shafts 203. A cover plate 3 is fixedly connected to the inner wall of each of the two connecting plates 204 near one edge. Two terminals 4 are provided on the outer surface of the junction box body 1. Cables 5 are provided on the inner walls of the two terminals 4. The outer surfaces of the two cables 5 are fixedly connected to the inner walls of the two fixed blocks 202. The outer surfaces of the two cables 5 slide against the inner walls of the two first round holes 205.

[0024] The effect achieved by the whole embodiment 1 is that when the staff needs to insert the first connector 6 and the second connector 7 into the corresponding connectors respectively, at this time, the first connector 6 and the second connector 7 have a distance from the corresponding connectors, the staff needs to move the first connector 6 and the second connector 7, the first connector 6 and the second connector 7 will drive the corresponding cable 5 to move, the outer surface of the cable 5 will slide along the inside of the second circular hole 206 when the cable 5 moves, then the cable 5 inside the connecting plate 204 will gradually decrease when the cable 5 continues to move, the movement of the cable 5 will gradually strengthen the stretching of the elastic coil spring 207, the distance between the outer surfaces of the elastic coil spring 207 will gradually decrease to the outer surface of the fixed shaft 203, when the first connector 6 and the second connector 7 are inserted into the corresponding connectors respectively, the staff no longer pulls the first connector 6 and the second connector 7, at this time, there is excess cable 5 between the first connector 6 and the second connector 7 and the corresponding connectors, at this time, the stretching force received by the elastic coil spring 207 is weakened, the elastic force of the elastic coil spring 207 will drive the elastic coil spring 207 to move, the distance between the outer surfaces of the elastic coil spring 207 will gradually increase with the fixed shaft 203 as the center, the distance between the outer surfaces of the elastic coil spring 207 gradually increases will pull the cable 5 to move, the outer surface of the excess cable 5 will slide along the inner wall of the second circular hole 206 to the inside of the connecting plate 204, the cable 5 will be coiled and rotated in the bottom of the connecting plate 204 with the elastic coil spring 207, at this time, the excess cable 5 will be stored in the connecting plate 204 through the elastic force of the elastic coil spring 207 itself, the present rotating shaft stores the excess cable 5 through the elastic force of the elastic coil spring 207 in the storage assembly 2, solves the problem that the excess cable 5 exposed outside will be wired messy, which will cause the cable 5 to be wound together, increasing the difficulty of maintenance.

[0025] Embodiment 2: as shown in Figures 1-5 the outer surfaces of the two cables 5 are respectively fixedly connected with the other ends of the two elastic coil springs 207, and the outer surfaces of the two cables 5 respectively slide with the inner walls of the two second circular holes 206, one end of one of the two cables 5 is provided with the first connector 6, and one end of the other cable 5 is provided with the second connector 7, a plurality of grooves 8 are arranged uniformly on the outer surfaces of the two sides of the junction box body 1, and the protective nets 9 are fixedly connected to the outer surfaces of the two sides of the junction box body 1.

[0026] The effect achieved by the whole embodiment 2 is that when the photovoltaic energy storage electrical junction box structure is in use, the internal lines will generate heat through current passing, the air circulation in the junction box body 1 can be ensured through the plurality of grooves 8, so as to reduce the temperature in the junction box body 1, the protective net 9 is arranged outside the groove 8, a plurality of dense holes are formed in the protective net 9, the use of the protective net 9 can ensure the heat dissipation effect of the junction box body 1 and prevent dust particles from entering the inside of the junction box body 1 from the groove 8, the dust will form a conductive bridge between the conductive parts, the risk of short circuit is increased, the inside is disturbed, so that the stability of the photovoltaic energy storage electrical junction box structure can be ensured.

[0027] Working principle: when the photovoltaic energy storage electrical junction box structure is in use, after the first connector 6 and the second connector 7 are respectively inserted into the corresponding connectors, the worker no longer pulls the first connector 6 and the second connector 7, at this time, the stretching force of the elastic coil spring 207 is weakened, the elastic force of the elastic coil spring 207 can drive the excess cable 5 to move, the cable 5 will be curled and rotated at the bottom of the connecting plate 204 along with the rebound of the elastic coil spring 207, through the use of the protective net 9, the heat dissipation effect of the junction box body 1 can be ensured and dust particles can be prevented from entering the inside of the junction box body 1 from the groove 8, the storage assembly 2 is arranged on the rotating shaft, the excess cable 5 is stored by the elastic force of the elastic coil spring 207 in the storage assembly 2, the problem that the excess cable 5 is too long and exposed outside and causes the cable 5 to be wound together and increases the maintenance difficulty is solved.

[0028] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the present application.

Claims

1. A photovoltaic energy storage electrical junction box structure, comprising a junction box body (1), characterized in that: The top of the junction box body (1) is provided with two storage components (2). Both storage components (2) include a base plate (201). The inner walls of the two base plates (201) are fixedly connected with a fixing block (202). The inner walls of the two base plates (201) are fixedly connected with a fixing shaft (203) near the center. The outer surface of one side of the two base plates (201) is fixedly connected with a connecting plate (204). The outer surface of one side of the two connecting plates (204) is provided with a first round hole (205). The outer surface of the other side of the two connecting plates (204) is provided with a second round hole (206). The outer surface of the two fixing shafts (203) is provided with an elastic coil spring (207).

2. The structure of a photovoltaic energy storage electrical junction box according to claim 1, characterized in that: The outer surface of the other side of the two base plates (201) is fixedly connected to the outer surface of the junction box body (1), and the outer surface of one side of the two fixing blocks (202) is fixedly connected to the outer surface of the junction box body (1).

3. The structure of a photovoltaic energy storage electrical junction box according to claim 1, characterized in that: One end of each of the two fixed shafts (203) is fixed through the outer surface of the two connecting plates (204) and extends to one side, and the outer surfaces of the two elastic coil springs (207) are respectively attached to the inner walls of the two connecting plates (204).

4. The structure of a photovoltaic energy storage electrical junction box according to claim 1, characterized in that: One end of each of the two elastic coil springs (207) is fixedly connected to the outer surface of the two fixed shafts (203), and a cover plate (3) is fixedly connected to the inner wall of each of the two connecting plates (204) near one edge.

5. The structure of a photovoltaic energy storage electrical junction box according to claim 1, characterized in that: The outer surface of the junction box body (1) is provided with two terminals (4), and the inner walls of the two terminals (4) are provided with cables (5). The outer surfaces of the two cables (5) are fixedly connected to the inner walls of the two fixing blocks (202) respectively, and the outer surfaces of the two cables (5) slide against the inner walls of the two first round holes (205) respectively.

6. The structure of a photovoltaic energy storage electrical junction box according to claim 5, characterized in that: The outer surfaces of the two cables (5) are fixedly connected to the other ends of the two elastic coil springs (207), and the outer surfaces of the two cables (5) slide against the inner walls of the two second round holes (206). One end of one cable (5) is provided with a first connector (6), and one end of the other cable (5) is provided with a second connector (7).

7. The structure of a photovoltaic energy storage electrical junction box according to claim 1, characterized in that: Multiple evenly arranged grooves (8) are provided on both sides of the outer surface of the junction box body (1), and protective nets (9) are fixedly connected to both sides of the outer surface of the junction box body (1).

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