Aluminum wire connector and aluminum wire connecting structure

By designing an aluminum first connecting section and a copper second connecting section for the aluminum wire connector, the problem that aluminum wire cannot replace copper wire is solved, achieving a reliable connection between aluminum and copper wires, reducing costs, and improving the stability of signal transmission and the convenience of the connector.

CN224006161UActive Publication Date: 2026-03-17SUNGROW POWER SUPPLY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing connectors are mainly designed for copper wires, which limits the application of aluminum wires, makes them unable to effectively replace copper wires, and results in higher costs.

Method used

Design an aluminum wire connector, including a first connecting section made of aluminum and a second connecting section made of copper. The first connecting section has a closed cylindrical part for connecting with the aluminum wire, and the second connecting section is compatible with existing copper connectors. The connector adopts structures such as a coating layer and a guide surface to improve the reliability and convenience of connection.

Benefits of technology

It achieves a reliable connection between aluminum and copper wires, reduces costs, improves signal transmission stability and connector convenience, and is compatible with existing copper connectors without modification.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224006161U_ABST
    Figure CN224006161U_ABST
Patent Text Reader

Abstract

The utility model discloses an aluminum wire connector and an aluminum wire connecting structure, the aluminum wire connector has an axis direction, the aluminum wire connector comprises a connecting core body, the connecting core body comprises a first connecting section and a second connecting section which are arranged along the axis direction, the base material of the first connecting section is an aluminum material, and the base material of the second connecting section is an aluminum material. At least the part, away from the second connecting section, of the first connecting section is a first cylindrical part, and the base material of the second connecting section is a copper material. The aluminum wire connector is a novel connector developed and designed for aluminum wires, and can better realize replacement of copper wires by the aluminum wires.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of cable connection technology, specifically to an aluminum wire connector and an aluminum wire connection structure. Background Technology

[0002] In the photovoltaic, wind power and other new energy industries, cables are used relatively widely, mainly for transmitting current and other electrical signals.

[0003] In related technologies, copper wire is commonly used in cables. However, the application cost of copper wire is relatively high. Therefore, replacing copper wire with aluminum wire to reduce costs has become a popular research direction. Cables usually cannot be used alone; they require connectors to connect. However, current connectors are generally designed and developed based on copper wire, and connectors for aluminum wire are rarely disclosed, thus limiting the application of aluminum wire.

[0004] Therefore, how to provide a solution to overcome or alleviate the above-mentioned defects remains a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of this utility model is to provide an aluminum wire connector and an aluminum wire connection structure. The aluminum wire connector is a new type of connector developed and designed for aluminum wires, which can better realize the replacement of copper wires with aluminum wires.

[0006] To solve the above-mentioned technical problems, this utility model provides an aluminum wire connector. The aluminum wire connector has an axial direction and includes a connecting core. The connecting core includes a first connecting segment and a second connecting segment arranged along the axial direction. The substrate of the first connecting segment is made of aluminum, and at least a portion of the first connecting segment away from the second connecting segment is a first cylindrical portion. The substrate of the second connecting segment is made of copper.

[0007] Using the above solution, this utility model embodiment provides a novel aluminum wire connector designed for aluminum wires, which includes a first connecting segment and a second connecting segment.

[0008] The base material of the first connecting segment is aluminum, and the first connecting segment has a first cylindrical portion. In practical applications, an aluminum wire can be inserted into the first cylindrical portion to connect with the first connecting segment. It is known that the base material of the first connecting segment and the aluminum wire are essentially homogeneous. Therefore, when the first connecting segment and the aluminum wire are connected, electrochemical corrosion is less likely to occur between them, which is more conducive to ensuring a reliable connection between the first connecting segment and the aluminum wire. This results in more stable signal transmission and relatively higher reliability between the first connecting segment and the aluminum wire. Furthermore, the first cylindrical portion is a circumferentially closed annular structure. Compared to a circumferentially open structure, the first cylindrical portion provides higher reliability when connected to the aluminum wire. Simultaneously, the closed annular structure of the first cylindrical portion is more conducive to ensuring its overall shape and size. During manufacturing, it is more beneficial to ensure the product consistency of the aluminum wire connector provided in this embodiment, especially when the base material of the first connecting segment is made of relatively soft aluminum.

[0009] The base material of the second connecting section can be copper, so that it can be connected to the existing adapter connector of the component to be connected to the aluminum wire without modifying the adapter connector, thereby improving the convenience of the aluminum wire connector provided by this utility model embodiment in practical applications.

[0010] Optionally, at least a portion of the inner wall surface of the first cylindrical portion is provided with an uneven structure.

[0011] Optionally, the concave-convex structure is a threaded structure.

[0012] Optionally, a first guide surface is provided at one end of the first cylindrical portion away from the second connecting section, and the first guide surface is gradually tapered in the direction close to the second connecting section in the axial direction.

[0013] Optionally, the wall of the first cylindrical portion is provided with at least one first through hole.

[0014] Optionally, the second connecting segment is a solid column.

[0015] Optionally, at least a portion of the second connecting segment that is far from the first connecting segment is a second cylindrical portion.

[0016] Optionally, the wall of the second cylindrical portion is provided with at least one second through hole.

[0017] Optionally, it also includes an elastic clamping member disposed within the second cylindrical portion.

[0018] Optionally, a second guide surface is provided at the end of the second connecting segment away from the first connecting segment.

[0019] Optionally, both the first connecting segment and the second connecting segment have a coating layer on their surfaces.

[0020] Optionally, the outer wall surface of at least one of the first connecting segment and the second connecting segment forms a finite surface.

[0021] Optionally, it also includes an insulating housing, with the connecting core located inside the insulating housing.

[0022] This utility model also provides an aluminum wire connection structure, including a first connecting component and a second connecting component. The first connecting component is an aluminum wire, and the first connecting component is connected to a first connector, which is the aforementioned aluminum wire connector. The first connecting component is connected to the second connecting component through the first connector.

[0023] Optionally, the second connecting component is also an aluminum wire, and the second connecting component is connected to a second connector, which is also the aforementioned aluminum wire connector; the second connecting segment of the first connector is a solid column, and at least a portion of the second connecting segment of the second connector is a second cylindrical portion, and the second connecting segments of the first connector and the second connecting segments of the second connector are connected.

[0024] Optionally, the second connecting component is any one of a photovoltaic module, an energy storage battery, or a photovoltaic inverter. Attached Figure Description

[0025] Figure 1 A diagram showing the connection structure between the copper wire and the component to be connected;

[0026] Figure 2 An exploded view of the aluminum wire connector provided by this utility model;

[0027] Figure 3 for Figure 2 A schematic diagram of the structure of the connecting core;

[0028] Figure 4 for Figure 3 A structural diagram from another perspective;

[0029] Figure 5 An exploded view of another aluminum wire connector provided by this utility model;

[0030] Figure 6 for Figure 5 Exploded view of the connecting core and elastic clamping element of the aluminum wire connector;

[0031] Figure 7 for Figure 6 A schematic diagram of the central connecting core from another perspective;

[0032] Figure 8A simplified structural diagram of the aluminum wire connection structure provided by this utility model;

[0033] Figure 9 A simplified structural diagram of another aluminum wire connection structure provided by this utility model;

[0034] Figure 10 A simplified structural diagram of another aluminum wire connection structure provided by this utility model.

[0035] Figure label:

[0036] 1000′ - Copper wire; 1100′ - Copper wire connector;

[0037] 2000′ - Component to be connected; 2100′ - Adapter connector;

[0038] 1000 - Aluminum wire connector; 1100 - Insulating housing;

[0039] 1200 - Connecting core; 1200A - Segment marking; 1210 - First connecting segment; 1211 - First cylindrical part; 1211A - Concave-convex structure; 1211B - First guide surface; 1211C - First through hole; 1220 - Second connecting segment; 1221 - Second cylindrical part; 1221A - Second through hole; 1222 - Second guide surface; 1223 - First limiting surface; 1224 - Second limiting surface; 1300 - Elastic clamping element;

[0040] 2000 - First connecting component; 2000A - First connector;

[0041] 3000 - Second connection component; 3000A - Second connector; 3100 - Photovoltaic module; 3200 - Energy storage battery; 3300 - Photovoltaic inverter;

[0042] P - Axis direction. Detailed Implementation

[0043] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0044] In the description of the embodiments of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0045] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "linking" should be interpreted broadly. For example, "linking" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0046] In the description of embodiments of this utility model, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0047] Please refer to Figure 1 , Figure 1 This is a diagram showing the connection structure between the copper wire and the component to be connected.

[0048] like Figure 1 As shown, in related technologies, the cables used in new energy industries such as photovoltaics and wind power mainly adopt copper wire 1000', and at least one end of the copper wire 1000' is connected to a copper wire connector 1100'. The component to be connected 2000' is provided with an adapter connector 2100', and the copper wire 1000' can be connected to the adapter connector 2100' of the component to be connected 2000' through the copper wire connector 1100' to achieve electrical connection between the copper wire 1000' and the component to be connected 2000'.

[0049] The copper wire connector 1100' is specifically designed for copper wire 1000', and the adapter connector 2100' is also designed to be compatible with the copper wire connector 1100'. Therefore, when using aluminum wire to replace copper wire 1000', a dedicated connector for connecting aluminum wire needs to be designed to facilitate the application of aluminum wire.

[0050] Please refer to Figures 2-7 , Figure 2 An exploded view of the aluminum wire connector provided by this utility model; Figure 3 for Figure 2 A schematic diagram of the structure of the connecting core; Figure 4 for Figure 3 A structural diagram from another perspective; Figure 5 An exploded view of another aluminum wire connector provided by this utility model; Figure 6 for Figure 5 Exploded view of the connecting core and elastic clamping element of the aluminum wire connector; Figure 7 for Figure 6 A schematic diagram of the central connecting core from another perspective.

[0051] In response to the above situation, such as Figure 2 As shown, this utility model embodiment provides an aluminum wire connector 1000, including an insulating shell 1100 and a connecting core 1200.

[0052] The insulating shell 1100 can be located outside the connecting core 1200 to insulate and isolate the connecting core 1200, thereby preventing contact between the connecting core 1200 and other unnecessary components, thus preventing short circuits and improving the safety of the aluminum wire connector 1000 provided in this embodiment of the present invention.

[0053] Here, the specific material of the insulating shell 1100 is not limited in this embodiment. In practical applications, those skilled in the art can choose the appropriate material according to specific needs, as long as it meets the requirements of use. For example, the insulating shell 1100 can be made of plastic, ceramic, or other materials.

[0054] Furthermore, this embodiment of the invention does not limit the specific shape of the insulating housing 1100. In practical applications, those skilled in the art can also select the shape according to specific needs, as long as it meets the requirements of use. For example, the insulating housing 1100 can be designed with reference to the housing of the copper wire connector 1100' in related technologies.

[0055] The connecting core 1200 is the core component of the aluminum wire connector 1000, used to realize the electrical connection between the aluminum wire and the part to be connected 2000'.

[0056] Combination Figures 2-4 The aluminum wire connector 1000 has an axial direction P. The connecting core 1200 includes a first connecting segment 1210 and a second connecting segment 1220, which can be arranged along the axial direction P.

[0057] The base material of the first connecting segment 1210 is aluminum. At least a portion of the first connecting segment 1210 far from the second connecting segment 1220 is a first cylindrical portion 1211. In practical applications, an aluminum wire can be inserted into this first cylindrical portion 1211 to connect with the first connecting segment 1210. It is known that the base material of the first connecting segment 1210 and the aluminum wire are essentially homogeneous. Therefore, when the first connecting segment 1210 and the aluminum wire are connected, electrochemical corrosion is less likely to occur between them, which is more conducive to ensuring a reliable connection between the first connecting segment 1210 and the aluminum wire. This makes the signal transmission between the first connecting segment 1210 and the aluminum wire more stable and relatively reliable. Furthermore, the first cylindrical portion 1211 is a circumferentially closed annular structure. Compared to a circumferentially open structure, the first cylindrical portion 1210 has a higher connection reliability when connected to the aluminum wire. Meanwhile, the first cylindrical portion 1211 of the closed-loop annular structure is more conducive to ensuring its overall shape and size, and is more conducive to ensuring the product consistency of the aluminum wire connector 1000 provided in this utility model embodiment during production and processing.

[0058] The base material of the second connecting segment 1220 is copper so that it can be connected to the existing adapter connector 2100' of the component to be connected 2000' without modifying the adapter connector 2100', thereby improving the convenience of the aluminum wire connector 1000 provided in this utility model embodiment in practical applications.

[0059] In practice, the first connecting segment 1210 and the second connecting segment 1220 can be manufactured separately. Specific manufacturing processes include machining processes such as turning and casting to facilitate the formation of the first connecting segment 1210 containing the first cylindrical portion 1211. Then, the first connecting segment 1210 and the second connecting segment 1220 can be connected by welding, such as resistance welding or friction welding.

[0060] Of course, in some other implementations of this utility model, one of the first connecting segment 1210 and the second connecting segment 1220 can also be prepared first. For example, the first connecting segment 1210 can be prepared first, and then the second connecting segment 1220 can be formed by directly casting one side of the first connecting segment 1210 in the axial direction P using the insert casting process. This is also feasible.

[0061] In some alternative implementations, after the aluminum wire is inserted into the first cylindrical portion 1211, the first cylindrical portion 1211 can be flattened to deform it. In this way, the first cylindrical portion 1211 can clamp the aluminum wire, enabling a more reliable connection between the first cylindrical portion 1211 and the aluminum wire.

[0062] It should be understood that for a circumferentially open structure, its approximate shape is U-shaped. The two side walls of the U-shape, relative to the bottom wall, form a cantilever beam structure. After flattening, the two side walls still have the potential to spring back, especially under tensile forces. Therefore, the reliability of the connection is relatively low. In this embodiment of the present invention, the first connecting segment 1210 adopts a first cylindrical portion 1211, which is a circumferentially closed annular structure. After flattening, the first cylindrical portion 1211 has a relatively low probability of returning to its original shape, thus better ensuring the reliability of the connection with the aluminum wire.

[0063] The flattening process of the first cylindrical portion 1211 can be a flat pressing process, specifically performed using crimping tools such as wire crimping pliers, to crimp the first cylindrical portion 1211 into shapes such as quadrilaterals or hexagons. Alternatively, the flattening process of the first cylindrical portion 1211 can also be a point pressing process, such as one-point crimping, two-point crimping, four-point crimping, etc. In short, the key is to ensure that the first cylindrical portion 1211 can clamp the aluminum wire.

[0064] In some alternative implementations, such as Figure 3 and Figure 6 As shown, at least a partial area of ​​the inner wall surface of the first cylindrical portion 1211 may be provided with a concave-convex structure 1211A.

[0065] The aforementioned concave-convex structure 1211A may include a protrusion and a concave portion. Thus, after the first cylindrical portion 1211 is flattened, the protrusion on the inner wall of the first cylindrical portion 1211 can be embedded into the aluminum wire, effectively improving the connection reliability between the first cylindrical portion 1211 and the aluminum wire. In particular, it can suppress the creep and withdrawal of the aluminum wire during long-term use, which is beneficial to ensuring a reliable connection between the first cylindrical portion 1211 and the aluminum wire under long-term use conditions. Furthermore, during the embedding process of the aluminum wire, the protrusion can also pierce the oxide layer on the surface of the aluminum wire, reducing the impact of the oxide layer on signal transmission between the first cylindrical portion 1211 and the aluminum wire.

[0066] Here, this embodiment of the present invention does not limit the specific structural form of the above-mentioned concave-convex structure 1211A. In practical applications, those skilled in the art can select according to specific needs, as long as the requirements of use are met. For example, the concave-convex structure 1211A may include at least two annular protrusions, and each annular protrusion may be arranged at intervals along the axial direction P. In this case, the annular protrusions may be the aforementioned convex portions, and the area in the inner wall surface of the first cylindrical portion 1211 where no annular protrusions are provided may form a concave portion. As another example, the concave-convex structure 1211A may also be a threaded structure, including protruding teeth extending along a set helical direction. The protruding teeth may be the aforementioned convex portions, and the gap between the protruding teeth may form a concave portion. The threaded concave-convex structure 1211A is relatively easy to process and can be prepared and formed relatively quickly.

[0067] In some alternative implementations, such as Figure 3 and Figure 6 As shown, a first guide surface 1211B may be provided at the end of the first cylindrical portion 1211 away from the second connecting section 1220. In the axial direction P, the first guide surface 1211B may be tapered along the direction close to the second connecting section 1220. The first guide surface 1211B can guide the aluminum wire to facilitate the relatively smooth insertion of the aluminum wire into the first cylindrical portion 1211.

[0068] Generally, aluminum wire cables consist of an outer sheath and a core wire. The outer sheath is typically made of insulating materials such as plastic, while the core wire is located inside the outer sheath. During installation, a portion of the outer sheath needs to be peeled off at the end of the aluminum wire to expose the core wire, which is then inserted into the first cylindrical portion 1211 for connection. Therefore, the aforementioned first guide surface 1211B specifically serves to guide the core wire.

[0069] Furthermore, when the core wire comprises multiple strands, stripping the outer sheath may cause the strands to disperse, which is inherently disadvantageous for the installation of the core wire into the first cylindrical portion 1211. However, the aforementioned first guide surface 1211B can guide and gather the dispersed strands to a certain extent, making the installation of the core wire into the first cylindrical portion 1211 easier and effectively reducing the difficulty of core wire insertion. It should be understood that the core wire may also consist of only one strand; in fact, the specific structural form of the aluminum wire is not limited in this embodiment of the invention.

[0070] The first guide surface 1211B can be designed as the side surface of a frustum. Alternatively, the first guide surface 1211B can be designed as the side surface of a frustum. Alternatively, the first guide surface 1211B can be designed as a spherical surface. Alternatively, the first guide surface 1211B can be designed as other complex curved surfaces. In short, as long as the first guide surface 1211B can guide the aluminum wire inserted into the first cylindrical portion 1211, it is acceptable.

[0071] In some alternative implementations, the surfaces of both the first connecting segment 1210 and the second connecting segment 1220 may be provided with a coating layer.

[0072] The aforementioned coating layer can specifically be a metal such as tin, zinc, nickel, or chromium, which can protect the surface of the aluminum wire connector 1000 provided in this embodiment of the invention, thereby reducing the risk of oxidation and corrosion to the aluminum wire connector 1000 and extending its service life. Simultaneously, the coating layer can also improve the wear resistance, strength, conductivity, and durability of the aluminum wire connector 1000, endowing it with more characteristics to better meet specific application requirements.

[0073] The forming process of the above-mentioned coating layer can be electroplating, chemical plating, thermal spraying, thermal spraying welding, etc., and is not limited here.

[0074] In some alternative implementations, such as Figure 3 and Figure 6 As shown, the cylindrical wall of the first cylindrical portion 1211 may be provided with at least one first through hole 1211C.

[0075] This design serves two purposes. First, the depth of the aluminum wire inserted into the first cylindrical portion 1211 can be easily observed through the first through hole 1211C, allowing for accurate determination of whether the aluminum wire is properly installed within the first cylindrical portion 1211. Second, when using processes such as electroplating or electroless plating that require the use of electroplating solutions to prepare the coating layer, the first through hole 1211C can also serve as a connecting hole, allowing the electroplating solution to flow more smoothly into the inner side of the first cylindrical portion 1211, thereby forming a stable coating layer on the inner side of the first cylindrical portion 1211 as well.

[0076] In some alternative implementations, such as Figures 2-4 As shown, the second connecting segment 1220 can be a solid cylinder. In this case, the second connecting segment 1220 can also be referred to as a pin, capable of being inserted into a cylindrical adapter connector 2100', etc. Furthermore, the solid cylinder ensures the structural strength of the second connecting segment 1220, making it less prone to damage such as bending during use. When the second connecting segment 1220 is a solid cylinder, the aluminum wire connector 1000 provided in this embodiment can be referred to as a male connector, male connector, etc.

[0077] A second guide surface 1222 may also be provided at the end of the second connecting segment 1220 away from the first connecting segment 1210. Along the axial direction P, the second guide surface 1222 may be gradually widened in the direction close to the first connecting segment 1210. The second guide surface 1222 is used to guide the second connecting segment 1220 during insertion, which can improve the smoothness of insertion.

[0078] The specific structural form of the second guide surface 1222 can be designed with reference to the aforementioned first guide surface 1211B, and will not be repeated here.

[0079] In some alternative implementations, such as Figures 5-7 As shown, at least a portion of the second connecting segment 1220 remote from the first connecting segment 1210 is a second cylindrical portion 1221 for insertion connection with an adapter connector 2100' having a columnar structure. When the second connecting segment 1220 includes the second cylindrical portion 1221, the aluminum wire connector 1000 provided in this embodiment of the present invention can be referred to as a female connector, female connector, etc.

[0080] The second connecting segment 1220 may also have a second guide surface 1222. Figures 2-4 The difference from the previous implementation is that in this implementation, the second guide surface 1222 can be tapered in the direction close to the first connecting segment 1210 along the axial direction P. The second guide surface 1222 is also used to guide the insertion of the second connecting segment 1220, which can improve the smoothness of the insertion.

[0081] Furthermore, in this embodiment, the cylindrical wall of the second cylindrical portion 1221 may also be provided with at least one second through hole 1221A. When using processes such as electroplating or electroless plating that require the use of an electroplating solution to prepare the coating layer, the aforementioned second through hole 1221A can also serve as a connecting hole, allowing the electroplating solution to flow more smoothly into the inner side of the second cylindrical portion 1221, thereby forming a stable coating layer on the inner side of the second cylindrical portion 1221 as well.

[0082] Combination Figure 6 The aluminum wire connector 1000 provided in this embodiment may further include an elastic clamping member 1300. The elastic clamping member 1300 may be disposed inside the second cylindrical portion 1221, and can clamp the columnar structure inserted into the inner side of the second cylindrical portion 1221, thereby improving the reliability of the connection and the stability of signal transmission.

[0083] Here, the present invention does not limit the specific type of the elastic clamping member 1300. In practical applications, those skilled in the art can select one according to specific needs, as long as it meets the requirements of use. For example, the elastic clamping member 1300 may be a crown spring, etc.

[0084] In some alternative implementations, the outer wall surface of at least one of the first connecting segment 1210 and the second connecting segment 1220 of the connecting core 1200 may form a limiting surface. This limiting surface can be used to limit the installation of the connecting core 1200 along the axial direction P when it is installed in the insulating housing 1100, thereby improving the connection reliability between the connecting core 1200 and the insulating housing 1100.

[0085] Here, the present invention does not limit the specific structural form and number of limiting surfaces. In practical applications, those skilled in the art can choose according to specific needs, as long as the requirements of use are met.

[0086] For example, see Figure 3 and Figure 4 The limiting surface may include a first limiting surface 1223 and a second limiting surface 1224. The first limiting surface 1223 may be a gradually narrowing or expanding curved surface along the axial direction P. On the one hand, the first limiting surface 1223 can be used to guide the insertion of the connecting core 1200 into the insulating housing 1100, thereby improving the ease of connection of the connecting core 1200 within the insulating housing 1100. On the other hand, the first limiting surface 1223 can also provide a certain degree of installation limitation along the axial direction P. There may be two first limiting surfaces 1223, which may be arranged alternately along the axial direction P. The second limiting surface 1224 may be a plane, which may be perpendicular to the axial direction P, to provide a limiting stop in the axial direction P, thereby preventing the connecting core 1200 from retracting after being inserted into the insulating housing 1100. There may be one second limiting surface 1224.

[0087] For example, see also Figure 6 and Figure 7 The limiting surface may also include the first limiting surface 1223 and the second limiting surface 1224 mentioned above, and the number of the first limiting surface 1223 and the second limiting surface 1224 can both be one.

[0088] In some optional implementations, the connector core 1200 may also be provided with a segmentation identifier 1200A. This segmentation identifier 1200A can serve as the boundary between the first connector segment 1210 and the second connector segment 1220, so as to facilitate the user's identification of the area of ​​the first connector segment 1210 and the second connector segment 1220, thereby facilitating the user's installation operation of the connector core 1200.

[0089] like Figures 2-7 As shown, the segmentation mark 1200A can be an annular groove. Alternatively, the segmentation mark 1200A can also be an annular protrusion. Alternatively, the segmentation mark 1200A can also be a color mark or other mark, as long as it can help the user distinguish between the first connecting segment 1210 and the second connecting segment 1220.

[0090] Please refer to Figures 8-10 , Figure 8 A simplified structural diagram of the aluminum wire connection structure provided by this utility model; Figure 9 A simplified structural diagram of another aluminum wire connection structure provided by this utility model; Figure 10A simplified structural diagram of another aluminum wire connection structure provided by this utility model.

[0091] This utility model embodiment also provides an aluminum wire connection structure, including a first connecting component 2000 and a second connecting component 3000. The first connecting component 2000 is an aluminum wire, and a first connector 2000A is connected to it. The first connector 2000A is the aluminum wire connector 1000 involved in the aforementioned implementations. The first connecting component 2000 can be connected to the second connecting component 3000 via the first connector 2000A, thereby achieving an electrical connection between the aluminum wire and the second connecting component 3000.

[0092] like Figure 8 and Figure 9 As shown, the second connecting component 3000 can specifically be any one of a photovoltaic module 3100, an energy storage battery 3200, or a photovoltaic inverter 3300. That is, the aluminum wire connector 1000 provided in this embodiment of the invention can realize the application of aluminum wire in the photovoltaic field, effectively reducing cable costs in the photovoltaic field.

[0093] like Figure 10 As shown, the second connecting component 3000 can also be an aluminum wire. In this case, the second connecting component 3000 can be connected to a second connector 3000A, which can also be the aforementioned aluminum wire connector 1000. Furthermore, the second connecting segment 1220 of the first connector 2000A can be a solid cylinder, and at least a portion of the second connecting segment 1220 of the second connector 3000A can be a second cylindrical portion 1221. The second connecting segments 1220 of the first connector 2000A and the second connecting segments 1220 of the second connector 3000A can be connected to achieve mating assembly between aluminum wires.

[0094] In this implementation, one of the first connector 2000A and the second connector 3000A may not include the insulating housing 1100. For example, the second connector 3000A may not include the insulating housing 1100, and the connecting core 1200 of the second connector 3000A may be at least partially inserted into the insulating housing 1100 of the first connector 2000A in order to make an electrical connection with the connecting core 1200 of the first connector 2000A.

[0095] In other words, the aluminum wire connector 1000 provided in this embodiment of the present invention may not include the insulating shell 1100, but only the connecting core 1200. In this case, the structure of the aluminum wire connector 1000 can be relatively simple.

[0096] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.

Claims

1. An aluminum wire connector characterized by, The aluminum wire connector has an axial direction, and comprises a connecting core body, the connecting core body comprising a first connecting section and a second connecting section arranged along the axial direction, a base material of the first connecting section being aluminum, at least a part of the first connecting section away from the second connecting section being a first cylindrical part, and a base material of the second connecting section being copper.

2. The aluminum wire connector of claim 1, wherein, At least a partial region of an inner wall surface of the first cylindrical part is provided with a concave-convex structure.

3. The aluminum wire connector of claim 2, wherein, The concave-convex structure is a threaded structure.

4. The aluminum wire connector of claim 1, wherein, An end of the first cylindrical part away from the second connecting section is provided with a first guide surface, the first guide surface being arranged in a direction gradually approaching the second connecting section in the axial direction.

5. The aluminum wire connector of claim 1, wherein, A cylindrical wall of the first cylindrical part is provided with at least one first through hole.

6. The aluminum wire connector of any one of claims 1-5, wherein, The second connecting section is a solid cylinder.

7. The aluminum wire connector of any one of claims 1-5, wherein, At least a part of the second connecting section away from the first connecting section is a second cylindrical part.

8. The aluminum wire connector of claim 7, wherein, A cylindrical wall of the second cylindrical part is provided with at least one second through hole.

9. The aluminum wire connector of claim 7, wherein, An elastic clamping member is further included, and the elastic clamping member is arranged in the second cylindrical part.

10. The aluminum wire connector of any one of claims 1-5, wherein, An end of the second connecting section away from the first connecting section is provided with a second guide surface.

11. The aluminum wire connector of any one of claims 1-5, wherein, Surfaces of the first connecting section and the second connecting section are both provided with a plating layer.

12. The aluminum wire connector of any one of claims 1-5, wherein, An outer wall surface of at least one of the first connecting section and the second connecting section forms a limiting surface.

13. The aluminum wire connector of any one of claims 1-5, wherein, An insulating shell is further included, and the connecting core body is located inside the insulating shell.

14. An aluminum wire connecting structure characterized by A first connecting component and a second connecting component are included, the first connecting component being an aluminum wire, the first connecting component being connected with a first connector, the first connector being the aluminum wire connector according to any one of claims 1-13, and the first connecting component being connected with the second connecting component through the first connector.

15. The aluminum wire connection structure according to claim 14, wherein The second connecting component is also an aluminum wire, the second connecting component being connected with a second connector, the second connector also being the aluminum wire connector according to any one of claims 1-13. The second connecting section of the first connector is a solid cylinder, at least a part of the second connecting section of the second connector being a second cylindrical part, and the second connecting section of the first connector and the second connecting section of the second connector being connected.

16. The aluminum wire connection structure of claim 14, wherein The second connecting component is any one of a photovoltaic module, an energy storage battery, and a photovoltaic inverter.