Cable and copper busbar assembly for photovoltaic combiner box

Abstract

The utility model relates to the technical field of cables, in particular to a cable and copper busbar assembly for a photovoltaic combiner box, which comprises a cable, a copper busbar and a cable head, one end of the cable is fixedly connected with the cable head, and the cable comprises a lead, an insulating layer, a reinforcing layer, a high-temperature-resistant layer, a waterproof coating and a wear-resistant layer. An insulating layer is arranged on the outer surface of the wire, a reinforcing layer is arranged on the outer surface of the insulating layer, a high-temperature-resistant layer is arranged on the outer surface of the reinforcing layer, a waterproof coating is arranged on the outer surface of the high-temperature-resistant layer, and a wear-resistant layer is arranged on the outer surface of the waterproof coating. Compared with the prior art, the cable comprises the lead, the insulating layer, the reinforcing layer, the high-temperature-resistant layer, the waterproof coating and the wear-resistant layer, the high-temperature-resistant layer can improve the high-temperature-resistant capability of the cable, the waterproof coating enables the waterproof effect of the cable to be good, the wear-resistant layer improves the wear-resistant capability of the cable, the phenomenon that the cable is easy to wear is avoided, and the service life of the cable is prolonged. Therefore, the service life of the cable is prolonged, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a cable and copper busbar assembly for a photovoltaic combiner box. Background Art

[0002] A combiner box allows users to connect a certain number of photovoltaic cells of the same specifications in series to form photovoltaic strings, and then connect several photovoltaic strings in parallel to the photovoltaic combiner box. After the power is combined in the photovoltaic combiner box, it is used in conjunction with a controller, DC distribution cabinet, photovoltaic inverter, and AC distribution cabinet to form a complete photovoltaic power generation system and achieve grid connection with the mains.

[0003] The existing connection method of the cable and copper busbar of the photovoltaic combiner box has some defects, and the disassembly and installation operations are troublesome. According to a cable and copper busbar assembly for a photovoltaic combiner box with patent number CN 206293625U disclosed on the China Patent Network, it includes an insulator (1), a cable (2), a copper busbar (4), a screw fastener (5), and a screw fixing plate (3); wherein the cable (2) and the copper busbar (4) are fixed to the screw fixing plate (3) by the screw fastener (5). Due to the use of the screw fixing plate, the disadvantages of the installation method of the photovoltaic cable converging to the copper busbar are overcome, and the installation and disassembly are convenient, and the safety and reliability are significantly improved. At the same time, the safe and reliable operation of the large-scale photovoltaic power station system is also guaranteed.

[0004] However, even so, the utility model still has some defects, and the cable protection effect of the existing cable and copper busbar assembly needs to be improved. For this reason, the utility model proposes a cable and copper busbar assembly for a photovoltaic combiner box. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a cable and copper busbar assembly for a photovoltaic combiner box.

[0006] The purpose of the utility model is achieved through the following technical solution: A cable and copper busbar assembly for a photovoltaic combiner box, comprising a cable line, a copper busbar and a cable head, wherein one end of the cable line is fixedly connected to the cable head.

[0007] The cable includes a conductor, an insulation layer, a reinforcement layer, a high-temperature resistant layer, a waterproof coating and a wear-resistant layer. The outer surface of the conductor is provided with an insulation layer, the outer surface of the insulation layer is provided with a reinforcement layer, the outer surface of the reinforcement layer is provided with a high-temperature resistant layer, the outer surface of the high-temperature resistant layer is provided with a waterproof coating, and the outer surface of the waterproof coating is provided with a wear-resistant layer. The photovoltaic combiner box uses a cable and a copper busbar assembly. The cable includes a conductor, an insulation layer, a reinforcement layer, a high-temperature resistant layer, a waterproof coating and a wear-resistant layer. The high-temperature resistant layer can improve the high-temperature resistance of the cable, the waterproof coating makes the cable have a good waterproof effect, and the wear-resistant layer improves the wear resistance of the cable and avoids the phenomenon that the cable is easily worn, thereby increasing the service life of the cable and improving practicality.

[0008] Preferably, the cable head includes a body, a wiring protection head, a storage slot, a handle and a connector.

[0009] Preferably, a wiring protection head is provided on one side of the body, and storage grooves are provided on the top and bottom of the body, and a handle is rotatably connected inside the storage groove, and a connecting head is provided on the side of the body away from the wiring protection head. By setting a cable head, the cable head includes a body, and a wiring protection head is provided on one side of the body, and storage grooves are provided on the top and bottom of the body, and a handle is rotatably connected inside the storage groove, and a connecting head is provided on the side of the body away from the wiring protection head. When in use, the handle is rotated to turn the handle out of the storage groove to facilitate insertion or removal of the connecting head. After use, the handle is rotated to turn the handle back into the storage groove, so that the handle can be hidden, avoiding the handle taking up space outside and facilitating storage.

[0010] Preferably, the connector is buckled onto the copper busbar.

[0011] Preferably, one end of the cable is fixedly connected to the body through a wiring protection head.

[0012] Preferably, the insulating layer is made of rubber.

[0013] The utility model has the following advantages:

[0014] 1. The cable for the photovoltaic combiner box and the copper busbar assembly includes a conductor, an insulation layer, a reinforcement layer, a high-temperature resistant layer, a waterproof coating, and a wear-resistant layer. The high-temperature resistant layer can improve the cable's ability to withstand high temperatures, the waterproof coating provides good waterproofing, and the wear-resistant layer improves the cable's wear resistance, preventing the cable from being easily worn, thereby increasing the cable's service life and improving its practicality.

[0015] 2. The cable head includes a main body, a wiring protection head is provided on one side of the main body, storage slots are provided on the top and bottom of the main body, a handle is rotatably connected inside the storage slot, and a connector is provided on the side of the main body away from the wiring protection head. When in use, the handle is turned to turn the handle out of the storage slot to facilitate insertion or removal of the connector. After use, the handle is turned back to the storage slot to hide the handle, avoid the handle taking up space outside, and facilitate storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the wire of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the new cable head of this utility model.

[0019] In the figure: 1-cable, 101-conductor, 102-insulation layer, 103-reinforcement layer, 104-high temperature resistant layer, 105-waterproof coating, 106-wear-resistant layer, 2-copper busbar, 3-cable head, 301-body, 302-wiring protection head, 303-storage slot, 304-handle, 305-connector. DETAILED DESCRIPTION

[0020] like Figure 1-3 As shown, a cable and copper busbar assembly for a photovoltaic combiner box includes a cable line 1, a copper busbar 2 and a cable head 3. One end of the cable line 1 is fixedly connected to the cable head 3.

[0021] The cable 1 in the present application includes a conductor 101, an insulation layer 102, a reinforcement layer 103, a high-temperature resistant layer 104, a waterproof coating 105 and a wear-resistant layer 106, wherein the outer surface of the conductor 101 is provided with an insulation layer 102, the insulation layer 102 is made of rubber, the outer surface of the insulation layer 102 is provided with a reinforcement layer 103, the outer surface of the reinforcement layer 103 is provided with a high-temperature resistant layer 104, the outer surface of the high-temperature resistant layer 104 is provided with a waterproof coating 105, and the outer surface of the waterproof coating 105 is provided with a wear-resistant layer 106. The cable includes a conductor, an insulation layer, a reinforcement layer, a high-temperature resistant layer, a waterproof coating and a wear-resistant layer. The high-temperature resistant layer can improve the high-temperature resistance of the cable, the waterproof coating makes the cable have a good waterproof effect, and the wear-resistant layer improves the wear resistance of the cable and avoids the phenomenon that the cable is easily worn, thereby increasing the service life of the cable and improving practicality.

[0022] One end of the cable 1 in the present application is fixedly connected to the body 301 through a wiring protection head 302. The cable head 3 includes a body 301, a wiring protection head 302, a storage groove 303, a handle 304 and a connector 305. A wiring protection head 302 is provided on one side of the body 301. Storage grooves 303 are provided on the top and bottom of the body 301. The internal rotation connection of the storage groove 303 is connected to the handle 304. A connector 305 is provided on the side of the body 301 away from the wiring protection head 302. The connector 305 is buckled on the copper busbar 2. A cable head is provided. The cable head includes a body. A wiring protection head is provided on one side of the body. Storage grooves are provided on the top and bottom of the body. The internal rotation connection of the storage groove is connected to the handle. The side of the body away from the wiring protection head is provided with a connector. When in use, the handle is rotated to rotate the handle out of the storage groove for easy insertion or removal of the connector. After use, the handle is rotated to rotate the handle back into the storage groove to hide the handle, avoid the handle taking up space outside, and facilitate storage.

[0023] Working principle: The high-temperature resistant layer 104 can improve the cable's ability to withstand high temperatures, the waterproof coating 105 makes the cable waterproof, and the wear-resistant layer 106 improves the cable's wear resistance. Turn the handle to remove it from the storage slot, making it easier to insert or remove the connector. After use, turn the handle back to the storage slot to hide the handle, avoiding it taking up space outside and making it easier to store.

Claims

1. A cable and copper busbar assembly for a photovoltaic combiner box, characterized by: It comprises a cable (1), a copper busbar (2) and a cable head (3), wherein one end of the cable (1) is fixedly connected to the cable head (3); The cable (1) comprises a conductor (101), an insulating layer (102), a reinforcing layer (103), a high-temperature resistant layer (104), a waterproof coating (105) and a wear-resistant layer (106), wherein the outer surface of the conductor (101) is provided with the insulating layer (102), the outer surface of the insulating layer (102) is provided with the reinforcing layer (103), the outer surface of the reinforcing layer (103) is provided with the high-temperature resistant layer (104), the outer surface of the high-temperature resistant layer (104) is provided with the waterproof coating (105), and the outer surface of the waterproof coating (105) is provided with the wear-resistant layer (106).

2. The cable and copper busbar assembly for a photovoltaic combiner box according to claim 1, characterized in that: The cable head (3) comprises a body (301), a wiring protection head (302), a storage slot (303), a handle (304) and a connector (305).

3. The cable and copper busbar assembly for a photovoltaic combiner box according to claim 2, characterized in that: A wiring protection head (302) is provided on one side of the body (301), a receiving groove (303) is provided on the top and bottom of the body (301), a handle (304) is rotatably connected inside the receiving groove (303), and a connecting head (305) is provided on the side of the body (301) away from the wiring protection head (302).

4. The cable and copper busbar assembly for a photovoltaic combiner box according to claim 3, characterized in that: The connector (305) is buckled onto the copper busbar (2).

5. The cable and copper busbar assembly for a photovoltaic combiner box according to claim 3, characterized in that: One end of the cable (1) is fixedly connected to the body (301) via a wiring protection head (302).

6. The cable and copper busbar assembly for a photovoltaic combiner box according to claim 2, characterized in that: The insulating layer (102) is made of rubber.

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