Electric connector applied to butt joint of multiple pairs of cables

Abstract

The invention provides an electric connector applied to butt joint of multiple pairs of cables, which relates to the technical field of electric connectors and comprises an insulating shell, a plurality of fixed conductors and a butt joint assembly. The insulating shell comprises a cover body and a box body, an operation through hole is formed in the cover body, and a plurality of threading through holes are formed in the box body. The fixed conductors are arranged in the accommodating cavity and are in one-to-one correspondence with the threading through holes. The butt joint assembly is arranged in the containing cavity and comprises a first butt joint piece and a second butt joint piece, the first butt joint piece comprises a first conductor and a first rotating column, and the first conductor is configured to be capable of making contact with or being separated from the multiple fixed conductors at the same time; the second butt joint piece comprises a second conductor and a second rotating column, and the second conductor is configured to be capable of making contact with or being separated from every two adjacent fixed conductors at the same time one by one. According to the invention, the assembly difficulty and the construction cost can be effectively reduced, and the butt joint requirements of the photovoltaic modules at different positions and the grid-connected box can be effectively met.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical connectors, and in particular to an electrical connector used for connecting multiple pairs of cables. Background Art

[0002] Currently, in Building Integrated Photovoltaic (BIPV) applications, photovoltaic modules are installed on building exterior walls, glass curtain walls, or roof structures, and must meet both power transmission and architectural aesthetic requirements. However, due to the complex building structure and limited installation space, traditional single-input, single-output electrical connectors are difficult to adapt to the convergence requirements of multiple photovoltaic modules.

[0003] Specifically, the output cables of photovoltaic modules scattered on different facades of a building need to be connected in parallel and converged at the grid-connected box through electrical connectors. That is, the output cables of photovoltaic modules on different facades need to be connected to the input ports of the grid-connected box through electrical connectors. Traditional electrical connectors are generally only capable of connecting one input cable and one output cable, so multiple electrical connectors are required to correspond to multiple photovoltaic modules, which is not only cumbersome to assemble but also costly. At the same time, the connection cables between photovoltaic modules at different locations and the grid-connected box are also affected by factors such as the location of the photovoltaic modules, obstructions of the building structure, and the aesthetics of the building, making it difficult to conveniently arrange the wiring paths for the connection cables.

[0004] That is to say, in the application of photovoltaic building integration, there are such problems when the photovoltaic modules are connected to the grid box through the electrical connector:

[0005] First, there are a large number of electrical connectors, which not only makes the assembly process more complicated but also makes the construction cost more expensive.

[0006] Second, due to factors such as the location of photovoltaic modules, obstruction of building structures, and architectural aesthetics, existing electrical connectors are difficult to meet the requirements for convenient layout of wiring pathways. Summary of the Invention

[0007] In order to solve the technical problems in the related art, the present invention provides an electrical connector for connecting multiple pairs of cables.

[0008] In order to achieve the above object, the technical solution adopted by the present invention is:

[0009] An electrical connector for connecting multiple pairs of cables, comprising:

[0010] The insulating housing includes a cover and a box body that are coupled to each other to enclose a receiving cavity, the cover having an operation through-hole formed therein, and a peripheral wall of the box body having a plurality of threading through-holes evenly spaced along the circumference of the box body, the threading through-holes being used to allow cables to be connected to the receiving cavity;

[0011] A plurality of fixed conductors are arranged in the accommodating cavity and are arranged in a one-to-one correspondence with the plurality of wire-threading through holes, and the fixed conductors are used to connect with the connected cables;

[0012] A docking assembly is arranged in the accommodating cavity, and the docking assembly includes a first docking piece and a second docking piece. The first docking piece includes a first conductor and a first rotating column, one end of the first rotating column is connected to the first conductor and the other end extends out of the insulating shell through the operating through hole, and the first conductor is configured to be able to contact or separate with multiple fixed conductors at the same time when the first rotating column rotates; the second docking piece includes a second conductor and a second rotating column, the second rotating column is sleeved outside the first rotating column, one end of the second rotating column is connected to the second conductor and the other end extends out of the insulating shell through the operating through hole, the second conductor is located above the first conductor, and the second conductor is configured to be able to contact or separate with each adjacent two fixed conductors one by one along the circumference of the box body at the same time when the second rotating column rotates.

[0013] Optionally, the first conductor includes a ring-shaped conductor and a plurality of first contact conductors, the plurality of first contact conductors are arranged on the ring-shaped conductor at intervals along the circumference of the ring-shaped conductor, the plurality of first contact conductors are arranged in a one-to-one correspondence with a plurality of fixed conductors, and the spacing between each two adjacent fixed conductors is greater than the size of the first contact conductors, so that when the first contact conductor moves between each two adjacent fixed conductors, it can maintain a non-contact state with the two fixed conductors;

[0014] The first rotating column includes a first operating column and a plurality of first connecting rods. The first connecting rods are made of insulating material, and two ends of the plurality of first connecting rods are respectively connected to the first operating column and the annular conductor.

[0015] Optionally, the second conductor includes an arc-shaped conductor and two second contact conductors, the two second contact conductors are respectively provided at both ends of the arc-shaped conductor, the two second contact conductors are provided corresponding to each two adjacent fixed conductors, and the spacing between each two adjacent fixed conductors is greater than the size of the second contact conductors, so that the second contact conductor can maintain a non-contact state with each two adjacent fixed conductors when moving between the two adjacent fixed conductors;

[0016] The second rotating column includes a second operating column and a plurality of second connecting rods. The second connecting rods are made of insulating material, and the two ends of the plurality of second connecting rods are respectively connected to the second operating column and the arc-shaped conductor. The second operating column is sleeved outside the first operating column.

[0017] Optionally, the docking assembly further includes a third docking member, the third docking member including a third conductor and a third rotating column, one end of the third rotating column is connected to the third conductor and the other end extends out of the insulating shell through the operating through hole, the third conductor is arranged above the second conductor, and the third conductor is configured to be able to simultaneously contact or separate from two oppositely arranged fixed conductors when the third rotating column rotates.

[0018] Optionally, the third conductor includes a semicircular conductor and two third contact conductors, the two third contact conductors are respectively arranged at both ends of the semicircular conductor, the two third contact conductors are arranged corresponding to two oppositely arranged fixed conductors, and the spacing between each two adjacent fixed conductors is greater than the size of the third contact conductors, so that the third contact conductor can maintain a non-contact state with each two adjacent fixed conductors when moving between the two fixed conductors;

[0019] The third rotating column includes a third operating column and a plurality of third connecting rods. The third connecting rods are made of insulating material, and the two ends of the plurality of third connecting rods are respectively connected to the third operating column and the semicircular conductor. The third operating column is sleeved outside the second operating column.

[0020] Optionally, the electrical connector for connecting multiple pairs of cables further comprises a limiting cylinder disposed in the accommodating cavity, wherein two ends of the limiting cylinder are respectively connected to the box body and the cover body, and the limiting cylinder is sleeved outside the third operating column;

[0021] The limiting cylinder is formed with a first notch, a second notch, and a third notch arranged at intervals along its axial direction. The first notch is used to allow the third connecting rod to rotate, and the first notch is configured to allow the third connecting rod to rotate at least a preset angle A around the third operating cylinder; the second notch is used to allow the second connecting rod to rotate, and the second notch is configured to allow the second connecting rod to rotate at least a preset angle A around the second operating cylinder; the third notch includes a plurality of limiting notches arranged at intervals along the circumference of the limiting cylinder, and the plurality of limiting notches are respectively provided for a plurality of first connecting rods to allow the corresponding first connecting rods to rotate, and the limiting notches are configured to enable the first contact conductor to be fully in contact with or completely separated from the corresponding fixed conductor;

[0022] Among them, the preset angle A satisfies:

[0023]

[0024] Where N is the number of fixed conductors.

[0025] Optionally, the fixed conductor includes an insulating mounting block, a contact conductor block and a docking conductor block, wherein the insulating mounting block is mounted on the box body, the contact conductor block is mounted on the insulating conductor block, the docking conductor block is arranged on the contact conductor block and is located between the contact conductor block and the wire through hole, and the docking conductor block is used to dock with the cable;

[0026] In which, the side surfaces of the contact conductor block close to the docking assembly are respectively recessed inward to form a first bending groove, a second bending groove and a third bending groove, and the first bending groove, the second bending groove and the third bending groove are arranged at intervals along the axial direction of the first rotating column, the shape of the first bending groove is adapted to the first contact conductor and is used for allowing the first contact conductor to rotate so that the first contact conductor contacts or separates from the contact conductor block, the shape of the second bending groove is adapted to the second contact conductor and is used for allowing the second contact conductor to rotate so that the second contact conductor contacts or separates from the contact conductor block, and the shape of the third bending groove is adapted to the third contact conductor and is used for allowing the third contact conductor to rotate so that the third contact conductor contacts or separates from the contact conductor block.

[0027] Optionally, the third docking member further includes a third rotating disk, the third rotating disk being disposed below the second rotating disk, the third rotating disk being coaxially connected to an end of the third operating column extending out of the insulating housing, and the third rotating disk being provided with a first through hole for the second operating column to pass through;

[0028] The second docking member further includes a second rotating disk, which is disposed below the first rotating disk and is coaxially connected to an end of the second operating column extending from the insulating housing. The second rotating disk is provided with a second through hole for the first operating column to pass through.

[0029] The first docking member further includes a first rotating disk, which is coaxially connected to an end of the first operating column extending out of the insulating housing.

[0030] Optionally, the docking assembly further includes three locking members, and the three locking members are used to detachably connect the first rotating disk, the second rotating disk, and the third rotating disk to the cover body respectively.

[0031] Optionally, an annular observation gap is formed on the cover body, and a transparent insulating observation window is provided in the observation gap.

[0032] Beneficial effects:

[0033] 1. Through the above technical solution, first, when faced with the situation where multiple photovoltaic modules are arranged in a ring shape, the first docking member of the present invention can be used to simultaneously form conductive contact with several fixed conductors. In this way, several fixed conductors can be connected to multiple cables at the same time to meet the cable convergence needs of multiple photovoltaic modules arranged in a ring shape, and effectively reduce the number of electrical connectors arranged, thereby effectively reducing the assembly difficulty and construction cost.

[0034] Second, when the grid-connected box and the photovoltaic module are at a certain angle and there are obstacles, making it difficult to adjust the connection line to be straight or bent at a large angle, the second docking piece of the present invention can be used to simultaneously form conductive contact with two adjacent fixed conductors. In this way, the two fixed conductors thus arranged can not only meet the cable docking needs of the photovoltaic module at a certain angle, but also effectively ensure that the cables of the photovoltaic module connected to the two fixed conductors will not be excessively bent, thereby ensuring their service life and safety.

[0035] 2. Other beneficial effects or advantages of the present invention will be described in detail in conjunction with the specific structure in the specific implementation manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive labor. In addition, it should be understood that the proportional relationship of the various components in the drawings of this specification does not represent the proportional relationship in the actual material selection and design. It is only a schematic diagram of the structure or position, among which:

[0037] Figure 1 is a schematic diagram of the three-dimensional structure of an electrical connector for connecting multiple pairs of cables, provided by an exemplary embodiment of the present invention, wherein some cables are also shown;

[0038] Figure 2 1 is a schematic diagram of a disassembled structure of an electrical connector for connecting multiple pairs of cables, provided by an exemplary embodiment of the present invention;

[0039] Figure 3 is a schematic diagram of an assembly structure of a docking assembly and a fixed conductor provided by an exemplary embodiment of the present invention;

[0040] Figure 4 is a schematic diagram of an assembly structure of a first docking member and a fixed conductor provided by an exemplary embodiment of the present invention, wherein the first contact conductor and the fixed conductor are in contact;

[0041] Figure 5 is a schematic diagram of an assembly structure of a first docking member and a fixed conductor provided by an exemplary embodiment of the present invention, wherein the first contact conductor and the fixed conductor are in a separated state;

[0042] Figure 6 is a schematic diagram of an assembly structure of a second docking member and a fixed conductor provided by an exemplary embodiment of the present invention, wherein the second contact conductor is in contact with the fixed conductor;

[0043] Figure 7 is a schematic diagram of an assembly structure of a second docking member and a fixed conductor provided by an exemplary embodiment of the present invention, wherein the second contact conductor and the fixed conductor are in a separated state;

[0044] Figure 8 is a schematic diagram of an assembly structure of a third docking member and a fixed conductor provided by an exemplary embodiment of the present invention, wherein the third contact conductor is in contact with the fixed conductor;

[0045] Figure 9 1 is a schematic diagram of the assembly structure of the first docking member, the second docking member and the third docking member provided by an exemplary embodiment of the present invention, wherein a limiting cylinder is also shown;

[0046] Figure 10 It is a schematic diagram of the three-dimensional structure of a limiting cylinder provided by an exemplary embodiment of the present invention.

[0047] Description of the reference numerals in the accompanying drawings:

[0048] 100-Electrical connector for connecting multiple pairs of cables; 200-Cable; 1-Insulating housing; 11-Accommodating cavity; 12-Cover; 121-Operation through-hole; 122-Observation window; 13-Box body; 131-Threading through-hole; 2-Fixed conductor; 21-Insulating mounting block; 22-Contact conductor block; 221-First curved groove; 222-Second curved groove; 223-Third curved groove; 23-Connecting conductor block; 3-Connecting assembly; 31-First connecting piece; 311-First conductor; 3111-Annular conductor; 3112-First contact conductor; 312-First rotating column; 3121-First operating column; 3122-First connecting rod; 313- First rotating disk; 32-second docking piece; 321-second conductor; 3211-arc-shaped conductor; 3212-second contact conductor; 322-second rotating column; 3221-second operating column; 3222-second connecting rod; 323-second rotating disk; 3231-second through hole; 33-third docking piece; 331-third conductor; 3311-semicircular conductor; 3312-third contact conductor; 332-third rotating column; 3321-third operating column; 3322-third connecting rod; 333-third rotating disk; 3331-first through hole; 34-locking piece; 4-limiting cylinder; 41-first notch; 42-second notch; 43-third notch. DETAILED DESCRIPTION

[0049] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0050] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are intended to fall within the scope of protection of the present invention.

[0051] In the description of the present invention, it should be noted that the terms used, such as "top surface" and "bottom surface," refer to the top surface of the electrical connector for connecting multiple pairs of cables, and the bottom surface, which faces upward when in use. Terms such as "first" and "second" are used solely for distinction and do not indicate or imply a distinction in importance or order. Terms such as "inner" and "outer" refer to the inside and outside of specific contours. The use of these terms is solely for the purpose of clearly and simply describing the technical solution of the present invention and should not be construed as limiting the present invention.

[0052] In order to facilitate relevant technical personnel to have a clearer and more accurate understanding of the technical solution of the present invention, the problems existing in the existing related technologies are further explained in detail below.

[0053] First, in the application scenario of photovoltaic building integration, photovoltaic modules may be arranged on multiple facades of the building, and there are various relative positions between their installation positions. The existing electrical connectors are difficult to meet the requirements of convenient layout of wiring paths.

[0054] For example, since existing electrical connectors can only connect one input cable and one output cable, when multiple photovoltaic modules are arranged in a ring shape on the roof structure (for example, multiple photovoltaic modules are arranged in a ring shape around the center of a circular roof), multiple electrical connectors are needed to connect them one by one. In this way, there will be a problem of setting up a large number of electrical connectors, which will not only make the assembly process very cumbersome, but also lead to the problem of relatively high construction costs.

[0055] Secondly, when the photovoltaic modules arranged on a certain facade are arranged at a certain angle to the grid-connected box, and there is an obstruction of the building structure (for example, a roof water tank, an advertising frame, an exhaust duct, etc.) at this location, it is difficult to adjust the wiring path to be straight or bent at a large angle (for example, the grid-connected box is arranged at a certain position on the roof, and the photovoltaic modules are arranged on the side of the building. The wiring path between the two is arranged at a certain angle. Based on the requirements of the building's appearance, a wiring path with a large angle bend cannot be arranged. At the same time, based on the influence of some building structures on the roof, such as roof water tanks, advertising frames, exhaust ducts and other structures, the connection line between the two cannot be adjusted to be straight). At this time, when the existing electrical connector is connected, it is inevitable that the cable will be excessively bent (for example, due to the obstruction of the advertising frame, the cable needs to be bent 90 degrees from the building facade and then connected through the electrical connector. The service life and safety of the cable at the bend are not good). In other words, it is difficult for the existing electrical connector to meet the wiring requirements of this application scenario while ensuring the service life and safety of the cable.

[0056] In the existing related technologies, for example, the Chinese patent document with publication number CN222508024U provides a wiring terminal. Although it can meet the needs of connecting multiple input cables with one output cable, it has low adaptability to scenarios with different photovoltaic component installation locations, and it is difficult to avoid problems such as excessive bending of cables and insufficient cable length.

[0057] For example, when it is suitable for multiple photovoltaic modules arranged in a ring shape, the cables of the multiple photovoltaic modules need to be bent at different angles to connect with the conductive sheets. Not only may these cables be excessively bent, but also, since the input platform is formed by bending the input section, it can be understood that the input platform is arranged linearly. The docking positions of the cables of different photovoltaic modules and the input platform are different, which may lead to the problem that the cable length of the photovoltaic module is too long or insufficient, that is, it is difficult to adapt to multiple photovoltaic modules arranged in a ring shape.

[0058] In view of this, the present invention provides a new solution, namely, the electrical connector of the present invention for connecting multiple pairs of cables. The technical concept of the present invention is: to set up a multi-purpose electrical connector to meet the docking requirements of photovoltaic modules with different facades (that is, not only to meet the docking requirements of photovoltaic modules arranged at a certain angle to the grid-connected box, but also to meet the docking requirements of multiple photovoltaic modules arranged in a ring and the grid-connected box), and reduce the number of electrical connectors used, thereby reducing the assembly difficulty and construction cost.

[0059] The technical solution of the present invention is described in detail below with reference to the accompanying drawings.

[0060] like Figures 1 to 10 As shown, the present invention provides an electrical connector 100 for connecting multiple pairs of cables, comprising an insulating housing 1, a plurality of fixed conductors 2, and a docking assembly 3. The insulating housing 1 includes a cover 12 and a box body 13 that mate to form a housing 11. The cover 12 is formed with an operating through-hole 121, and the peripheral wall of the box body 13 is formed with a plurality of threading holes 131 evenly spaced along the circumference of the box body 13. Threading holes 131 are used to allow cables to connect to the housing 11. A plurality of fixed conductors 2 are disposed within the housing 11 and are arranged one-to-one with the plurality of threading holes 131. The fixed conductors 2 are used to connect to the connected cables.

[0061] The docking assembly 3 is disposed within the accommodating cavity 11 and includes a first docking member 31 and a second docking member 32. The first docking member 31 includes a first conductor 311 and a first rotating post 312. One end of the first rotating post 312 is connected to the first conductor 311, and the other end extends out of the insulating housing 1 through the operating through-hole 121. The first conductor 311 is configured to simultaneously contact or separate from a plurality of fixed conductors 2 when the first rotating post 312 rotates. The second docking member 32 includes a second conductor 321 and a second rotating post 322. The second rotating post 322 is sleeved outside the first rotating post 312. One end of the second rotating post 322 is connected to the second conductor 321, and the other end extends out of the insulating housing 1 through the operating through-hole 121. The second conductor 321 is located above the first conductor 311. When the second rotating post 322 rotates, the second conductor 321 is configured to simultaneously contact or separate from each two adjacent fixed conductors 2 along the circumference of the box body 13.

[0062] Through the above technical solution, first, when facing the situation where multiple photovoltaic modules are arranged in a ring, the first docking member 31 of the present invention can be used to simultaneously form conductive contact with multiple fixed conductors 2 (such as Figure 4 As shown), in this way, several fixed conductors 2 can be connected to multiple cables at the same time (one of the multiple cables can be a cable connected to the grid box, and the other cables can be output cables of the photovoltaic components) to meet the cable convergence needs of multiple photovoltaic components arranged in a ring shape, and effectively reduce the number of electrical connectors arranged, thereby effectively reducing the assembly difficulty and construction cost.

[0063] Second, when the grid-connected box and the photovoltaic module are at a certain angle and there are obstacles, making it difficult to adjust the connection line to be straight or bent at a large angle, the second docking piece 32 of the present invention can be used to simultaneously form conductive contact with two adjacent fixed conductors 2. In this way, the two fixed conductors 2 set in this way can not only meet the cable docking needs of the photovoltaic module at a certain angle, but also effectively ensure that the cables of the photovoltaic module connected to the two fixed conductors 2 will not be excessively bent (for example, the electrical connector 100 of the present invention for docking multiple pairs of cables can be set at the bending position, that is, the position where it originally needs to be bent 90° to achieve docking. In this way, the bending angle of the cable will be greatly reduced), thereby ensuring its service life and safety.

[0064] In the above embodiment, it should be noted that, first, the number of fixed conductors 2 can be adjusted according to actual needs, and the present invention does not impose specific limitations on this. Furthermore, the angle and spacing between two adjacent fixed conductors 2 can also be adjusted according to actual needs, and the present invention does not impose specific limitations on this. (However, it is understood that to enhance the versatility of the present invention, the number of fixed conductors 2 can be set to four, and the angle between two adjacent fixed conductors 2, i.e., the angle at which the cables connecting to them are connected, can be set to 90 degrees to accommodate most buildings.)

[0065] Second, in the present invention, the first docking member 31 and the second docking member 32 are selectively used to adapt to different photovoltaic module settings. This not only meets the docking requirements of photovoltaic modules in different settings, but also effectively improves the versatility of the present invention.

[0066] Third, the insulating shell 1 of the present invention can be made of a variety of insulating materials, such as rubber, plastic, etc., and the present invention does not make specific limitations on this. At the same time, the insulating shell 1 of the present invention can also be equipped with corresponding mounting parts so that it can be installed at any position on the building.

[0067] In one embodiment of the present invention, Figures 3 to 5 As shown, the first conductor 311 of the present invention may include a ring conductor 3111 and a plurality of first contact conductors 3112, the plurality of first contact conductors 3112 being arranged on the ring conductor 3111 at intervals along the circumference of the ring conductor 3111, the plurality of first contact conductors 3112 being arranged in a one-to-one correspondence with the plurality of fixed conductors 2, and the spacing between each two adjacent fixed conductors 2 is greater than the size of the first contact conductor 3112, so that the first contact conductor 3112 can maintain a non-contact state with both fixed conductors 2 when moving between each two adjacent fixed conductors 2; the first rotating column 312 includes a first operating column 3121 and a plurality of first connecting rods 3122, the first connecting rod 3122 being configured to be made of an insulating material, and the two ends of the plurality of first connecting rods 3122 are respectively connected to the first operating column 3121 and the ring conductor 3111.

[0068] In this way, the several first contact conductors 3112 set up in this way can respectively contact the several corresponding fixed conductors 2 one by one. At the same time, the several first contact conductors 3112 are then conductively connected through the set ring conductor 3111, so that the conduction of multiple fixed conductors 2 can be stably and reliably achieved, which can be effectively adapted to the application scenario where multiple photovoltaic components are arranged in a ring shape.

[0069] In this embodiment, since the spacing between each two adjacent fixed conductors 2 is greater than the size of the first contact conductor 3112, the first contact conductor 3112 can maintain a non-contact state with both fixed conductors 2 when it moves between each two adjacent fixed conductors 2. In this way, the connectivity between multiple fixed conductors 2 can be effectively disconnected to facilitate installation, maintenance and replacement.

[0070] In addition, several first connecting rods 3122 play a role in maintaining the position stability of the ring conductor 3111, and can also play a role in connecting the first operating column 3121 and the ring conductor 3111, so that the ring conductor 3111 can rotate under the drive of the first operating column 3121, thereby realizing the switching between the conductive state and the disconnected state.

[0071] It is understandable that, in this embodiment, the number and angle of the first connecting rods 3122 can be selected and adjusted according to actual conditions, and the present invention does not impose any specific limitation on this.

[0072] In one embodiment of the present invention, Figure 6 and Figure 7 As shown, the second conductor 321 of the present invention includes an arc-shaped conductor 3211 and two second contact conductors 3212, and the two second contact conductors 3212 are respectively arranged at the two ends of the arc-shaped conductor 3211. The two second contact conductors 3212 are arranged corresponding to each two adjacent fixed conductors 2, and the spacing between each two adjacent fixed conductors 2 is greater than the size of the second contact conductors 3212, so that the second contact conductor 3212 can maintain a non-contact state with both fixed conductors 2 when moving between each two adjacent fixed conductors 2; the second rotating column 322 includes a second operating column 3221 and a plurality of second connecting rods 3222, the second connecting rods 3222 are set to an insulating material, and the two ends of the plurality of second connecting rods 3222 are respectively connected to the second operating column 3221 and the arc-shaped conductor 3211, and the second operating column 3221 is sleeved outside the first operating column 3121.

[0073] In this way, the two second contact conductors 3212 arranged in this way can respectively contact each two adjacent fixed conductors 2. At the same time, the two second contact conductors 3212 are then conductively connected through the arc-shaped conductor 3211, so that the conductivity of each two adjacent fixed conductors 2 can be stably and reliably achieved. It can be effectively adapted to application scenarios where the photovoltaic components and the grid-connected box are arranged at an angle and there is obstruction from the building structure, making it difficult to adjust the wiring path to be straight or bend at a large angle.

[0074] In this embodiment, since the spacing between each two adjacent fixed conductors 2 is greater than the size of the second contact conductor 3212, the second contact conductor 3212 can maintain a non-contact state with both fixed conductors 2 when it moves between each two adjacent fixed conductors 2. In this way, the connectivity between each two adjacent fixed conductors 2 can be effectively disconnected to facilitate installation, maintenance and replacement.

[0075] In addition, several second connecting rods 3222 play a role in maintaining the position stability of the arc-shaped conductor 3211, and can also play a role in connecting the second operating column 3221 and the arc-shaped conductor 3211, so that the arc-shaped conductor 3211 can rotate under the drive of the second operating column 3221, thereby realizing the switching between the on state and the off state.

[0076] It is understandable that, in this embodiment, the number and angle of the second connecting rods 3222 can be selected and adjusted according to actual conditions, and the present invention does not impose any specific limitation on this.

[0077] In one embodiment of the present invention, Figure 3 、 Figure 8 and Figure 9 As shown, the docking assembly 3 of the present invention may further include a third docking member 33, the third docking member 33 including a third conductor 331 and a third rotating column 332, one end of the third rotating column 332 is connected to the third conductor 331 and the other end extends out of the insulating housing 1 through the operating through hole 121, the third conductor 331 is arranged above the second conductor 321, and the third conductor 331 is configured to be able to simultaneously contact or separate from the two oppositely arranged fixed conductors 2 when the third rotating column 332 rotates.

[0078] Thus, the third docking member 33 can effectively adapt to the problem of insufficient wiring distance between the photovoltaic module and the grid-connected box when they are arranged in the same line, and can replace the existing electrical connector. In other words, the third docking member 33 can make the present invention have the functions that can be achieved by the existing electrical connector, so it can replace the existing electrical connector.

[0079] In one embodiment of the present invention, Figure 3 、 Figure 8 and Figure 9As shown, the third conductor 331 of the present invention may include a semicircular conductor 3311 and two third contact conductors 3312, the two third contact conductors 3312 are respectively arranged at the two ends of the semicircular conductor 3311, and the two third contact conductors 3312 are arranged corresponding to the two relatively arranged fixed conductors 2, and the spacing between each two adjacent fixed conductors 2 is greater than the size of the third contact conductor 3312, so that the third contact conductor 3312 can maintain a non-contact state with both fixed conductors 2 when moving between each two adjacent fixed conductors 2; the third rotating column 332 includes a third operating column 3321 and a plurality of third connecting rods 3322, the third connecting rod 3322 is set to an insulating material, and the two ends of the plurality of third connecting rods 3322 are respectively connected to the third operating column 3321 and the semicircular conductor 3311, and the third operating column 3321 is sleeved outside the second operating column 3221.

[0080] In this way, the two third contact conductors 3312 arranged in this way can respectively contact the two fixed conductors 2 arranged oppositely. At the same time, the two second contact conductors 3212 are then connected through the semicircular conductor 3311, so that the conduction of the two fixed conductors 2 arranged oppositely can be achieved stably and reliably, and it can have the functions of the existing electrical connector.

[0081] In this embodiment, since the distance between each two adjacent fixed conductors 2 is greater than the size of the third contact conductor 3312, the third contact conductor 3312 can maintain a non-contact state with both fixed conductors 2 when it moves between each two adjacent fixed conductors 2. In this way, the connectivity of the fixed conductors 2 can be effectively disconnected to facilitate installation, maintenance and replacement.

[0082] In addition, several third connecting rods 3322 play a role in maintaining the position stability of the semicircular conductor 3311, and can also play a role in connecting the third operating cylinder 3321 and the semicircular conductor 3311, so that the semicircular conductor 3311 can rotate under the drive of the third operating cylinder 3321, thereby realizing the switching between the on state and the off state.

[0083] It is understandable that, in this embodiment, the number and angle of the third connecting rods 3322 can be selected and adjusted according to actual conditions, and the present invention does not impose any specific limitation on this.

[0084] In one embodiment of the present invention, Figure 2 、 Figure 3 、 Figure 9 and Figure 10As shown, the electrical connector 100 for connecting multiple pairs of cables of the present invention may further include a limiting cylinder 4 arranged in the accommodating cavity 11, the two ends of the limiting cylinder 4 being connected to the box body 13 and the cover body 12 respectively, and the limiting cylinder 4 being sleeved outside the third operating column 3321; a first notch 41, a second notch 42 and a third notch 43 spaced apart along the axial direction thereof are formed on the limiting cylinder 4, the first notch 41 is used for allowing the third connecting rod body 3322 to rotate, and the first notch 41 is configured to at least allow the third connecting rod body 3322 to rotate around the third operating column 3321 by a preset angle A; the second notch 43 is used for allowing the third connecting rod body 3322 to rotate by a preset angle A around the third operating column 3321 The opening 42 is used to allow the second connecting rod 3222 to rotate, and the second notch 42 is configured to allow the second connecting rod 3222 to rotate at least a preset angle A around the second operating cylinder 3221. The third notch 43 includes a plurality of limiting notches arranged at intervals along the circumference of the limiting cylinder 4. The plurality of limiting notches are respectively provided corresponding to a plurality of first connecting rods 3122 to allow the corresponding first connecting rods 3122 to rotate, and the limiting notches are configured to enable the first contact conductor 3112 to fully contact or completely separate from the corresponding fixed conductor 2. The preset angle A satisfies: Wherein, N is the number of fixed conductors 2 provided.

[0085] In this way, on the one hand, the first notch 41, the second notch 42 and the third notch 43 thus arranged can not only respectively serve to allow the third connecting rod body 3322, the second connecting rod body 3222 and the first connecting rod body 3122 to rotate, but can also respectively limit the rotation angles of the third connecting rod body 3322, the second connecting rod body 3222 and the first connecting rod body 3122, so that the operator can judge whether the third connecting rod body 3322, the second connecting rod body 3222 and the first connecting rod body 3122 are rotated to a good conduction state by whether they can continue to rotate.

[0086] In this embodiment, it should be noted that, for the first notch 41 and the second notch 42, a minimum rotation angle thereof is also limited, that is, a preset angle A, wherein the preset angle A is set to: In this way, on the basis of ensuring that the third docking member 33 and the second docking member 32 effectively ensure the connection range, the limit cylinder 4 can also have a reliable limiting effect, so that the operator can judge whether the third connecting rod body 3322 and the second connecting rod body 3222 are rotated to a good conduction state by whether they can continue to rotate.

[0087] For example, see an exemplary embodiment. Figure 3 and Figure 9For example, if four fixed conductors 2 are provided, the number of corresponding through holes 131 is also four, and the number of corresponding cables is also four (one output cable connected to the grid box and three input cables connected to the photovoltaic modules). In this way, the third docking member 33 can be effectively rotated by at least 270°. Furthermore, since the four fixed conductors 2 are evenly spaced along the circumference of the box body 13 (i.e., the angle between each two adjacent fixed conductors 2 is 90°), the first notch 41 thus provided allows the third docking member 33 to achieve corresponding connection between every two fixed conductors 2 among the four fixed conductors 2, thereby effectively ensuring the connection range of the fixed conductors 2. At the same time, the annular portion of the limiting cylinder 4 opposite the first notch 41 can reliably limit the third docking member 33, allowing the operator to determine whether the third connecting rod 3322 has been rotated to a good conductive state by whether it can continue to rotate.

[0088] In one embodiment of the present invention, Figure 4 As shown, the fixed conductor 2 of the present invention may include an insulating mounting block 21, a contact conductor block 22 and a docking conductor block 23. The insulating mounting block 21 is mounted on the box body 13, the contact conductor block 22 is mounted on the insulating conductor block, and the docking conductor block 23 is arranged on the contact conductor block 22 and is located between the contact conductor block 22 and the wire threading through hole 131. The docking conductor block 23 is used to dock with the cable; wherein the side surface of the contact conductor block 22 close to the docking component 3 is respectively concave inward to form a first bending groove 221, a second bending groove 222 and a third bending groove 223, and the first bending groove 221, the second bending groove 222 and the third bending groove 223 are respectively concave inward to form a first bending groove 221, a second bending groove 222 and a third bending groove 223 along the first rotating groove The rotating posts 312 are arranged axially at intervals, the shape of the first curved groove 221 is adapted to the first contact conductor 3112 and is used for the first contact conductor 3112 to rotate so that the first contact conductor 3112 contacts or separates from the contact conductor block 22, the shape of the second curved groove 222 is adapted to the second contact conductor 3212 and is used for the second contact conductor 3212 to rotate so that the second contact conductor 3212 contacts or separates from the contact conductor block 22, and the shape of the third curved groove 223 is adapted to the third contact conductor 3312 and is used for the third contact conductor 3312 to rotate so that the third contact conductor 3312 contacts or separates from the contact conductor block 22.

[0089] In this embodiment, firstly, the insulating mounting block 21 can effectively ensure stable and reliable installation of the fixed conductor 2, and at the same time, the docking conductor block 23 can facilitate reliable docking with the cable.

[0090] Second, the first curved groove 221, the second curved groove 222 and the third curved groove 223 thus arranged can not only effectively ensure the smooth rotation of the first docking member 31, the second docking member 32 and the third docking member 33, but also can achieve a reliable conduction effect by wrapping the corresponding first contact conductor 3112, the second contact conductor 3212 and the third contact conductor 3312.

[0091] Specifically, taking the first curved groove 221 as an example, the first curved groove 221 provides a larger contact area when in contact with the first contact conductor 3112, effectively reducing contact resistance and the risk of overheating, while also effectively improving current carrying capacity. More importantly, the first curved groove 221 does not affect the normal rotation of the first contact conductor 3112. Furthermore, the pressure distribution between the first contact conductor 3112 and the first curved groove 221 is more uniform, effectively reducing wear on the conductor surface during on / off switching, delaying plating loss, and extending service life.

[0092] In one embodiment of the present invention, Figures 4 to 8 As shown, the third docking member 33 of the present invention may further include a third rotating disk 333, which is arranged below the second rotating disk 323, and is coaxially connected to the end of the third operating column extending out of the insulating shell 1, and the third rotating disk 333 is provided with a first through hole 3331 for the second operating column 3221 to pass through; the second docking member 32 may further include a second rotating disk 323, which is arranged below the first rotating disk 313, and is coaxially connected to the end of the second operating column 3221 extending out of the insulating shell 1, and the second rotating disk 323 is provided with a second through hole 3231 for the first operating column 3121 to pass through; the first docking member 31 may further include a first rotating disk 313, which is coaxially connected to the end of the first operating column 3121 extending out of the insulating shell 1.

[0093] In this way, the first rotating disk 313, the second rotating disk 323 and the third rotating disk 333 set in this way can not only facilitate the operator to control the docking status (contact or disconnection) of the first docking member 31, the second docking member 32 and the second docking member 32 respectively, but also can achieve the adjustment of the docking status of the first docking member 31, the second docking member 32 and the third docking member 33 without interfering with each other, that is, when the first docking member 31 (or the second docking member 32, or the third docking member 33) is in the docking state, the docking status of the other two will not be disturbed and changed.

[0094] At the same time, the first rotating disk 313 , the second rotating disk 323 and the third rotating disk 333 can also effectively increase the torque of the corresponding first rotating column 312 , the second rotating column 322 and the third rotating column 332 so that they can be rotated more easily.

[0095] In one embodiment of the present invention, Figure 1 As shown, the docking assembly 3 of the present invention may further include three locking members 34 , which are used to detachably connect the first rotating disk 313 , the second rotating disk 323 , and the third rotating disk 333 to the cover body 12 .

[0096] In this way, by setting up the three locking members 34 in this way, it can be effectively ensured that the first docking member 31, the second docking member 32 and the third docking member 33 can be used selectively, and the other two will not be connected under the locking effect of the locking member 34, thereby effectively improving the safety of the present invention.

[0097] It is understood that, in the present invention, the locking member 34 has a variety of optional embodiments. For example, in an exemplary embodiment, see Figures 1 to 3 The first rotating disk 313, the second rotating disk 323 and the third rotating disk 333 are respectively provided with corresponding locking through holes (see Figure 3 ), and a corresponding locking hole is opened on the cover 12 (see Figure 2 ), and the locking member 34 may include a coaxially connected locking rod and a limiting rod. The limiting rod has a radial dimension greater than that of the locking through-hole. The locking rod is configured to penetrate the locking through-hole and extend into the locking through-hole. This effectively ensures that the first docking member 31, the second docking member 32, and the third docking member 33 are unlockably locked. (In this embodiment, to prevent interference between the three locking members 34, the locking through-holes on the first rotating disk 313, the second rotating disk 323, and the third rotating disk 333 may be arranged so that their projections in the vertical direction are separated from each other.)

[0098] In another embodiment, the locking member 34 can also be configured as a connecting rod, one end of which is connected to the first rotating disk 313 (or the second rotating disk 323 , or the third rotating disk 333 ), and the other end of the connecting rod is detachably connected to the cover body 12 .

[0099] In one embodiment of the present invention, Figure 1 and Figure 2As shown, the cover 12 of the present invention is formed with an annular observation notch, within which is disposed a transparent, insulating observation window 122. Thus, during installation, commissioning, assembly, maintenance, or replacement, the operator can safely and comprehensively observe the docking status of the first docking member 31, the second docking member 32, or the third docking member 33 within the accommodating cavity 11 through the transparent, insulating observation window 122.

[0100] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. An electrical connector for connecting multiple pairs of cables, characterized in that: include: The insulating housing includes a cover and a box body that are coupled to each other to enclose a receiving cavity, the cover having an operation through-hole formed therein, and a peripheral wall of the box body having a plurality of threading through-holes evenly spaced along the circumference of the box body, the threading through-holes being used to allow cables to be connected to the receiving cavity; A plurality of fixed conductors are arranged in the accommodating cavity and are arranged in a one-to-one correspondence with the plurality of wire-threading through holes, and the fixed conductors are used to connect with the connected cables; A docking assembly is arranged in the accommodating cavity, and the docking assembly includes a first docking piece and a second docking piece. The first docking piece includes a first conductor and a first rotating column, one end of the first rotating column is connected to the first conductor and the other end extends out of the insulating shell through the operating through hole, and the first conductor is configured to be able to contact or separate with multiple fixed conductors at the same time when the first rotating column rotates; the second docking piece includes a second conductor and a second rotating column, the second rotating column is sleeved outside the first rotating column, one end of the second rotating column is connected to the second conductor and the other end extends out of the insulating shell through the operating through hole, the second conductor is located above the first conductor, and the second conductor is configured to be able to contact or separate with each adjacent two fixed conductors one by one along the circumference of the box body at the same time when the second rotating column rotates.

2. The electrical connector for connecting multiple pairs of cables according to claim 1, wherein: The first conductor includes a ring-shaped conductor and a plurality of first contact conductors, the plurality of first contact conductors being arranged on the ring-shaped conductor at intervals along the circumference of the ring-shaped conductor, the plurality of first contact conductors being arranged in a one-to-one correspondence with the plurality of fixed conductors, and the spacing between each two adjacent fixed conductors being greater than the size of the first contact conductors, so that the first contact conductor can maintain a non-contact state with each two adjacent fixed conductors when moving between the two fixed conductors; The first rotating column includes a first operating column and a plurality of first connecting rods. The first connecting rods are made of insulating material, and two ends of the plurality of first connecting rods are respectively connected to the first operating column and the annular conductor.

3. The electrical connector for connecting multiple pairs of cables according to claim 2, wherein: The second conductor includes an arc-shaped conductor and two second contact conductors, the two second contact conductors are respectively provided at both ends of the arc-shaped conductor, and the two second contact conductors are provided corresponding to each two adjacent fixed conductors, and the spacing between each two adjacent fixed conductors is greater than the size of the second contact conductors, so that the second contact conductor can maintain a non-contact state with each two adjacent fixed conductors when moving between the two adjacent fixed conductors; The second rotating column includes a second operating column and a plurality of second connecting rods. The second connecting rods are made of insulating material, and the two ends of the plurality of second connecting rods are respectively connected to the second operating column and the arc-shaped conductor. The second operating column is sleeved outside the first operating column.

4. The electrical connector for connecting multiple pairs of cables according to claim 3, characterized in that: The docking assembly also includes a third docking member, which includes a third conductor and a third rotating column. One end of the third rotating column is connected to the third conductor and the other end extends out of the insulating housing through the operating through hole. The third conductor is arranged above the second conductor, and the third conductor is configured to be able to simultaneously contact or separate from two oppositely arranged fixed conductors when the third rotating column rotates.

5. The electrical connector for connecting multiple pairs of cables according to claim 4, characterized in that: The third conductor includes a semicircular conductor and two third contact conductors, the two third contact conductors are respectively arranged at both ends of the semicircular conductor, the two third contact conductors are arranged corresponding to the two fixed conductors arranged opposite to each other, and the spacing between each two adjacent fixed conductors is greater than the size of the third contact conductors, so that the third contact conductor can maintain a non-contact state with each two adjacent fixed conductors when moving between the two fixed conductors; The third rotating column includes a third operating column and a plurality of third connecting rods. The third connecting rods are made of insulating material, and the two ends of the plurality of third connecting rods are respectively connected to the third operating column and the semicircular conductor. The third operating column is sleeved outside the second operating column.

6. The electrical connector for connecting multiple pairs of cables according to claim 5, characterized in that: The electrical connector for connecting multiple pairs of cables further includes a limiting cylinder disposed in the accommodating cavity, wherein two ends of the limiting cylinder are respectively connected to the box body and the cover body, and the limiting cylinder is sleeved outside the third operating column; The limiting cylinder is formed with a first notch, a second notch, and a third notch arranged at intervals along its axial direction. The first notch is used to allow the third connecting rod to rotate, and the first notch is configured to allow the third connecting rod to rotate at least a preset angle A around the third operating cylinder; the second notch is used to allow the second connecting rod to rotate, and the second notch is configured to allow the second connecting rod to rotate at least a preset angle A around the second operating cylinder; the third notch includes a plurality of limiting notches arranged at intervals along the circumference of the limiting cylinder, and the plurality of limiting notches are respectively provided for a plurality of first connecting rods to allow the corresponding first connecting rods to rotate, and the limiting notches are configured to enable the first contact conductor to be fully in contact with or completely separated from the corresponding fixed conductor; Among them, the preset angle A satisfies: Where N is the number of fixed conductors.

7. The electrical connector for connecting multiple pairs of cables according to claim 5, characterized in that: The fixed conductor includes an insulating mounting block, a contact conductor block and a docking conductor block, wherein the insulating mounting block is mounted on the box body, the contact conductor block is mounted on the insulating conductor block, the docking conductor block is arranged on the contact conductor block and is located between the contact conductor block and the wire through hole, and the docking conductor block is used to dock with the cable; In which, the side surfaces of the contact conductor block close to the docking assembly are respectively recessed inward to form a first bending groove, a second bending groove and a third bending groove, and the first bending groove, the second bending groove and the third bending groove are arranged at intervals along the axial direction of the first rotating column, the shape of the first bending groove is adapted to the first contact conductor and is used for allowing the first contact conductor to rotate so that the first contact conductor contacts or separates from the contact conductor block, the shape of the second bending groove is adapted to the second contact conductor and is used for allowing the second contact conductor to rotate so that the second contact conductor contacts or separates from the contact conductor block, and the shape of the third bending groove is adapted to the third contact conductor and is used for allowing the third contact conductor to rotate so that the third contact conductor contacts or separates from the contact conductor block.

8. The electrical connector for connecting multiple pairs of cables according to claim 5, characterized in that: The third docking member further includes a third rotating disk, which is disposed below the second rotating disk and is coaxially connected to an end of the third operating column extending from the insulating housing. The third rotating disk is provided with a first through hole for the second operating column to pass through. The second docking member further includes a second rotating disk, which is disposed below the first rotating disk and is coaxially connected to an end of the second operating column extending from the insulating housing. The second rotating disk is provided with a second through hole for the first operating column to pass through. The first docking member further includes a first rotating disk, which is coaxially connected to an end of the first operating column extending out of the insulating housing.

9. The electrical connector for connecting multiple pairs of cables according to claim 8, characterized in that: The docking assembly further includes three locking members, which are used to detachably connect the first rotating disk, the second rotating disk, and the third rotating disk to the cover body respectively.

10. The electrical connector for connecting multiple pairs of cables according to any one of claims 1 to 9, characterized in that: An annular observation gap is formed on the cover body, and a transparent insulating observation window is arranged in the observation gap.

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