CN218070328U

CN218070328U - Photovoltaic connector

Info

Publication number: CN218070328U
Application number: CN202220737394.9U
Authority: CN
Inventors: 赵磊; 杨涛; 王栋伟; 马武兴; 张玲; 李伟培; 陈文东
Original assignee: Zhuhai China Construction Xingye Green Building Design Institute Co ltd; Zhuhai Xingye Energy Saving Science And Technology Co ltd; Shuifa Xingye Energy Zhuhai Co ltd; Zhuhai Singyes Green Building Technology Co Ltd; Shuifa Energy Group Co Ltd
Current assignee: Zhuhai China Construction Xingye Green Building Design Institute Co ltd; Zhuhai Xingye Energy Saving Science And Technology Co ltd; Shuifa Xingye Energy Zhuhai Co ltd; Zhuhai Singyes Green Building Technology Co Ltd; Shuifa Energy Group Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-12-16
Anticipated expiration: 2032-03-31

Abstract

The application relates to the technical field of connectors, and discloses a photovoltaic connector which comprises a positive connector and a negative connector which are detachably connected, wherein the positive connector comprises a first main body and a positive inserting core arranged on the first main body, the negative connector comprises a second main body and a negative inserting core arranged on the second main body, the negative inserting core and the positive inserting core are butted to be communicated with a cable, at least one of the positive connector and the negative connector is provided with a fastening piece and a waterproof piece, a containing cavity is formed in the fastening piece, and the waterproof piece is arranged in the containing cavity; the first body is provided with a first end, a second end and a fastening piece, wherein the fastening piece is positioned at one end of the first body, which is far away from the positive pole inserting core and is of an integral structure with the first body, or the fastening piece is positioned at one end of the second body, which is far away from the negative pole inserting core and is of an integral structure with the second body. Above-mentioned photovoltaic connector omits the installation of waterproof piece and fastener, avoids too much construction links, saves man-hour and reduces the operating expenses, effectively solves among the prior art photovoltaic connector inner structure complicacy, technical problem that the installation is time-consuming.

Description

Photovoltaic connector

Technical Field

The application relates to the technical field of connectors, in particular to a photovoltaic connector.

Background

With the gradual decline of the subsidy of photovoltaic and the coming of the flat times in recent years, the construction cost of the photovoltaic system is increased invisibly, and in addition, the price of raw materials of the photovoltaic system is greatly increased, so that the income of the photovoltaic system is further reduced.

The cable is used as an important electrical connecting part in a photovoltaic system, has a large cost proportion, and selects a cable product with low price and good electrical connection performance, for example, a copper core cable is replaced by an aluminum alloy cable with high quality and low price, so that the system cost can be effectively reduced, but the conventional photovoltaic modules and the string inverters adopt conventional photovoltaic connectors, and inserting cores in the photovoltaic connectors all adopt red copper tinning materials; in addition, the conventional photovoltaic connector has many small parts, is complex and time-consuming to install, and is easy to omit parts to cause quality hidden troubles.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a photovoltaic connector to solve among the prior art photovoltaic connector inner structure complicacy, technical problem that the installation is time-consuming.

The application provides a photovoltaic connector, which comprises a positive connector and a negative connector which are detachably connected, wherein the positive connector comprises a first main body and a positive inserting core arranged on the first main body, the negative connector comprises a second main body and a negative inserting core arranged on the second main body, the negative inserting core is in butt joint with the positive inserting core to be communicated with a cable, at least one of the positive connector and the negative connector is provided with a fastener and a waterproof piece, a containing cavity is arranged in the fastener, and the waterproof piece is arranged in the containing cavity;

the fastener is located at one end, deviating from the positive electrode inserting core, of the first main body and is of an integral structure with the first main body, or the fastener is located at one end, deviating from the negative electrode inserting core, of the second main body and is of an integral structure with the second main body.

In one embodiment, the photovoltaic connector further comprises a nut, the fastener being located within the nut;

the nut is sleeved at one end of the first main body and is in threaded connection with the first main body, or the nut is sleeved at one end of the second main body and is in threaded connection with the second main body.

In one embodiment, the fastener is in the shape of a circular truncated cone, and when the fastener is positioned on the first body, the cross-sectional diameter of the fastener, which is away from the first body, is smaller than the cross-sectional diameter of the fastener, which is towards the first body; when the fastener is located on the second body, a cross-sectional diameter of the fastener facing away from the second body is smaller than a cross-sectional diameter of the fastener facing toward the second body.

In one embodiment, the nut, the fastener and the waterproof member are all provided with a channel communicated with each other and used for fixing a cable, and the cable penetrates through the channel and is correspondingly connected to the positive pole inserting core or the negative pole inserting core.

In an embodiment, the photovoltaic connector further includes a supporting member and a connecting portion disposed on the supporting member, wherein the supporting member is disposed on the first body and the connecting portion is used for fixedly connecting the positive connector with the outside, or the supporting member is disposed on the second body and the connecting portion is used for fixedly connecting the negative connector with the outside.

In an embodiment, the supporting member is annular, the supporting member is annularly disposed on the first main body and integrated with the first main body, or the supporting member is annularly disposed on the second main body and integrated with the second main body, the annular width of the supporting member is 10mm to 12mm, and the thickness of the supporting member is greater than or equal to 2mm.

In one embodiment, the connecting portion includes a plurality of connecting holes, and the plurality of connecting holes are uniformly distributed on the supporting member at intervals.

In one embodiment, the number of the connecting holes is four, and each connecting hole is U-shaped.

In an embodiment, one of the positive core insert and the negative core insert can be sleeved on the other, at least one groove or protrusion is arranged on one of the positive core insert and the negative core insert, and the positive core insert and the negative core insert are in interference fit.

In one embodiment, the positive plug core and the negative plug core are made of aluminum alloy.

At least one of the positive connector and the negative connector that above-mentioned photovoltaic connector includes is equipped with fastener and waterproof, because fastener and first main part or second main part integrated into one piece, and waterproof locates in the chamber that holds in the fastener, then waterproof is fixed between fastener and first main part or fastener and second main part, can omit the installation of waterproof and fastener in the work progress, avoid too many construction links on the scene, save man-hour and reduce the operating expenses, and avoid waterproof and fastener to omit the quality hidden danger that the installation leads to, photovoltaic connector inner structure is complicated among the prior art has effectively been solved, technical problem that the installation is time-consuming.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic perspective view of a positive connector in a photovoltaic connector provided in an embodiment of the present application;

fig. 2 is an exploded perspective view of the positive connector of fig. 1;

FIG. 3 is a side view of the positive connector of FIG. 1;

FIG. 4 is a side view of the first body of the positive connector of FIG. 3;

FIG. 5 is a side view of the positive ferrule of the positive connector of FIG. 3;

fig. 6 is a side view of a negative connector of a photovoltaic connector provided in an embodiment of the present application;

fig. 7 is a side view of the second body of the negative connector of fig. 6;

fig. 8 is a side view of the negative ferrule of the negative connector of fig. 6.

The designations in the figures mean:

10. a positive electrode connector; 11. a first body; 111. a first limiting part; 12. a positive electrode ferrule; 121. a first connection end; 122. a first butt end; 13. a groove;

20. a negative connector; 21. a second body; 211. a second limiting part; 22. a negative pole inserting core; 221. a second connection end; 222. a second butt joint end;

30. a fastener;

40. a waterproof member;

50. a nut;

60. a support member; 61. a connecting portion;

70. and (4) opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

To explain the technical solutions of the present application, the following description is made with reference to specific drawings and examples.

The embodiment of the application provides a photovoltaic connector for the connection of aluminum alloy cable.

Referring to fig. 1, 2, 5 and 8, in an embodiment of the present application, the photovoltaic connector includes a positive connector 10 and a negative connector 20 that are detachably connected, the positive connector 10 includes a first body 11 and a positive ferrule 12 mounted on the first body 11, the negative connector 20 includes a second body 21 and a negative ferrule 22 mounted on the second body 21, when the positive connector 10 and the negative connector 20 are fixedly connected by a connection structure such as a snap, the positive ferrule 12 and the negative ferrule 22 are butted, and a cable in the negative ferrule 22 and a cable in the positive ferrule 12 are butted to communicate, wherein at least one of the positive connector 10 and the negative connector 20 is provided with a fastener 30 and a waterproof member 40, and a receiving cavity is provided in the fastener 30; waterproof 40 locates and holds the intracavity, and waterproof 40 with hold chamber looks adaptation.

The fastener 30 is located at one end of the first body 11, which faces away from the positive ferrule 12, and is integrated with the first body 11.

It is understood that the fastener 30 may also be located at an end of the second body 21 facing away from the negative stem insert 22 and be of unitary construction with the second body 21.

In the present embodiment, the fastening members 30 are disposed at both the end of the first body 11 away from the positive ferrule 12 and the end of the second body 21 away from the negative ferrule 22, that is, the number of the fastening members 30 is two, and in order to improve the adaptability of the subsequently used components, the two fastening members 30 have the same structure and size.

In addition, referring to fig. 3 and fig. 6, the first main body 11 is provided with a first limiting portion 111, the second main body 21 is provided with a second limiting portion 211, the first limiting portion 111 is provided with a stopper, the second limiting portion 211 is a limiting hole capable of being clamped with the stopper, when the first main body 11 is butted with the second main body 21, the stopper on the first limiting portion 111 is clamped with the limiting hole, so as to complete the connection and fixation between the first main body 11 and the second main body 21. It is understood that, in other embodiments of the present application, the first position-limiting portion 111 may be a position-limiting hole, and the second position-limiting portion 211 is provided with a stopper, but is not limited thereto.

At least one of the positive connector 10 and the negative connector 20 included in the photovoltaic connector is provided with the fastener 30 and the waterproof member 40, because the fastener 30 is integrally formed with the first main body 11 or the second main body 21, and the waterproof member 40 is arranged in the accommodating cavity in the fastener 30, the waterproof member 40 is fixed between the fastener 30 and the first main body 11 or between the fastener 30 and the second main body 21, the installation of the waterproof member 40 and the fastener 30 in the construction process can be omitted, the excessive construction links on the site can be avoided, the working hours can be saved, the construction cost can be reduced, the potential quality hazard caused by the omission of the installation of the waterproof member 40 and the fastener 30 can be avoided, and the technical problems that the internal structure of the photovoltaic connector is complex and the installation wastes time in the prior art can be effectively solved.

Referring to fig. 2, 6 and 7, in one embodiment of the present application, the photovoltaic connector further includes a nut 50, and the fastener 30 is located in the nut 50.

The nut 50 is disposed at one end of the first body 11 and is threadedly coupled to the first body 11, or the nut 50 is disposed at one end of the second body 21 and is threadedly coupled to the second body 21. Thus, the nut 50 can be fixedly connected with the first body 11 or the second body 21 through simple threaded connection, and the nut 50 is convenient to mount and stable in connection.

In this embodiment, the nut 50 is internally provided with an internal thread, and the outer side wall of the end of the first body 11 or the second body 21 connected to the fastening member 30 is provided with an external thread.

It will be appreciated that the outer diameter of the fastener 30 is smaller than the inner diameter of the nut 50, and the length of the nut 50 in the extending direction of the first body 11 is greater than the length of the fastener 30 in the extending direction of the first body 11, or the length of the nut 50 in the extending direction of the second body 21 is greater than the length of the fastener 30 in the extending direction of the second body 21, so that the fastener 30 can be completely accommodated in the nut 50 without affecting the threaded connection between the nut 50 and the first body 11 or the second body 21.

Specifically, referring to fig. 2, 4 and 7, in the present embodiment, the fastening member 30 is in a circular truncated cone shape, and when the fastening member 30 is located on the first body 11, a cross-sectional diameter of the fastening member 30 departing from the first body 11 is smaller than a cross-sectional diameter of the fastening member 30 facing the first body 11; when the fastener 30 is positioned on the second body 21, the cross-sectional diameter of the fastener 30 facing away from the second body 21 is smaller than the cross-sectional diameter of the fastener 30 facing toward the second body 21. Thus, the fastener 30 has no influence on the installation of the nut 50, and is convenient and efficient to install.

The waterproof part 40 is a round table-shaped waterproof rubber pad matched with the accommodating cavity of the fastener 30, so that the waterproof part 40 can be attached to the side wall of the accommodating cavity, and the waterproof performance of the photovoltaic connector is improved; in addition, because the fastener 30 is integrally formed with the first body 11 or the second body 21, and the waterproof member 40 is disposed in the fastener 30, abrasion of the waterproof member 40 during repeated installation can be avoided, and the service life is long.

In addition, in one embodiment of the present application, the nut 50, the fastening member 30 and the waterproof member 40 are all provided with a channel for fixing a cable, and the cable passes through the channel and is correspondingly connected to the positive insertion core 12 or the negative insertion core 22. Thus, the cable can be fixed on the first body 11 or the second body 21 through the nut 50, the fastener 30 and the waterproof member 40, and the cable is connected to the positive insertion core 12 or the negative insertion core 22, so that when the positive connector 10 and the negative connector 20 are butted, the communication connection between the cable on the first body 11 and the cable on the second body 21 can be realized through the fixed connection between the positive insertion core 12 and the negative insertion core 22, and the connection stability is high.

It can be understood that, taking the positive connector 10 as an example, referring to fig. 3 to 5, the positive ferrule 12 is inserted into the first body 11, wherein an end of the positive ferrule 12 facing the nut 50 is a first connection end 121, and an end of the positive ferrule 12 facing away from the nut 50 is a first butt end 122, when the positive connector 10 is connected to a cable, one end of the cable is fixedly connected to the first connection end 121 of the positive ferrule 12, and then the first butt end 122 of the positive ferrule 12 sequentially passes through the passages on the nut 50, the fastener 30, and the waterproof member 40 until the positive ferrule 12 is fixedly connected to the first body 11, and then the nut 50 is screwed to complete the assembly of the positive connector 10.

Correspondingly, taking the negative connector 20 as an example, referring to fig. 6 to 8, the negative plug core 22 is inserted into the second body 21, wherein an end of the negative plug core 22 facing the nut 50 is a second connection end 221, and an end of the negative plug core 22 facing away from the nut 50 is a second connection end 222, when the negative connector 20 is connected to a cable, the end of the cable is fixedly connected to the second connection end 221 of the negative plug core 22, and then the second connection end 222 of the negative plug core 22 sequentially passes through the nut 50, the fastener 30, and the passage on the waterproof member 40 until the negative plug core 22 is fixedly connected to the second body 21, and then the nut 50 is screwed to complete the assembly of the negative connector 20.

Referring to fig. 1 and fig. 2, in an embodiment of the present invention, the photovoltaic connector further includes a supporting member 60 and a connecting portion 61 disposed on the supporting member 60, wherein the supporting member 60 is disposed on the first body 11 and the connecting portion 61 is used for fixedly connecting the positive connector 10 with the outside, or the supporting member 60 is disposed on the second body 21 and the connecting portion 61 is used for fixedly connecting the negative connector 20 with the outside. Therefore, the positive connector 10 or the negative connector 20 can be fixed in the area where wind, rain and rain are avoided through the appropriate connecting part 61 according to the actual situation of the use environment, and the service life of the photovoltaic connector is prolonged.

Referring to fig. 1, 2 and 6, in the present embodiment, the supporting member 60 is annular, the supporting member 60 is annularly disposed on the first main body 11 and integrated with the first main body 11, or the supporting member 60 is annularly disposed on the second main body 21 and integrated with the second main body 21, and the annular width of the supporting member 60 is 10mm to 12mm, for example, 10mm, so that when the supporting member 60 falls down to a metal roof, an air insulation layer not less than 10mm is formed at the joint of the supporting member 60 and a contact object, and when the protection level of the housing fails, the supporting member can still maintain a safe distance from the metal roof, thereby avoiding electric leakage and improving safety; in addition, the thickness of the supporting member 60 is greater than or equal to 2mm, for example, 2mm, so that the supporting member 60 can be ensured to have better bending resistance, and the possibility of deformation is reduced.

Wherein, the loop width of the supporting member 60 is the length of the supporting member 60 along the direction perpendicular to the extending direction of the first body 11, or the length of the supporting member 60 along the direction perpendicular to the extending direction of the second body 21; the thickness of the support 60 is the length of the support 60 in the extending direction of the first body 11, or the length of the support 60 in the extending direction of the second body 21.

It is understood that in other embodiments of the present application, the shape of the supporting element 60 may be other, such as an irregular ring shape, or a plurality of convex pillars arranged on the first body 11 or the second body 21 in a uniformly spaced ring shape, but is not limited thereto.

It is understood that the first body 11, the support member 60 and the fastening member 30 disposed thereon may be a plastic structure integrally formed; similarly, the second body 21, the supporting member 60 and the fastening member 30 disposed thereon may also be an integrally formed plastic structure, which can avoid electric leakage, reduce the manufacturing process, and save the cost.

Referring to fig. 1, in the present embodiment, the connecting portion 61 includes a plurality of connecting holes, and the plurality of connecting holes are uniformly distributed on the supporting member 60 at intervals. Therefore, any position in the circumferential direction of the first main body 11 or the second main body 21 is provided with a connecting hole, and the first main body 11 or the second main body 21 can be fixedly connected with the outside at any angle through a rope or a clamping ring, so that the installation is flexible.

It is understood that, in other embodiments of the present application, the connecting portion 61 may also be a snap structure, an adhesive member, or the like, and is not limited herein.

Specifically, please refer to fig. 1 and fig. 2, the number of the connecting holes is four and each connecting hole is U-shaped, so that the aperture of the connecting hole is large, the rope binding and other structures are convenient, and the multiple connecting holes can be designed to realize simultaneous multi-position fixing, thereby further improving the stability of the photovoltaic connector installation.

Referring to fig. 5 and 8, in an embodiment of the present application, one of the positive ferrule 12 and the negative ferrule 22 can be sleeved on the other, at least one of the positive ferrule 12 and the negative ferrule 22 is provided with at least one groove 13 or protrusion, and the positive ferrule 12 and the negative ferrule 22 are in an interference fit. Therefore, the fastening area between the positive plug core 12 and the negative plug core 22 is increased, the reliability of connection between the positive plug core 12 and the negative plug core 22 is improved, and poor contact between the positive plug core 12 and the negative plug core 22 caused by connection failure is avoided.

In this embodiment, the first abutting end 122 of the positive ferrule 12 is sleeved on the second abutting end 222 of the negative ferrule 22, that is, the inner diameter of the positive ferrule 12 is slightly larger than the outer diameter of the negative ferrule 22, and two parallel grooves 13 are disposed on the outer sidewall of the positive ferrule 12, so that the inner diameter of the corresponding position of the inner sidewall of the positive ferrule 12 is reduced, that is, the abutting position of the positive ferrule 12 and the negative ferrule 22 adopts a dual snap ring design, thereby increasing the fastening area between the positive ferrule 12 and the negative ferrule 22, forming an interference fit between the positive ferrule 12 and the negative ferrule 22, increasing the friction force, and avoiding the slipping of the negative ferrule 22.

It can be understood that, in other embodiments of the present application, the first mating end 122 of the positive ferrule 12 may be embedded on the second mating end 222 of the negative ferrule 22, at this time, the outer diameter of the positive ferrule 12 is slightly smaller than the inner diameter of the negative ferrule 22, at this time, a convex portion is arranged on the outer side wall of the positive ferrule 12, which may also increase the fastening area between the positive ferrule 12 and the negative ferrule 22, so that an interference fit is formed between the positive ferrule 12 and the negative ferrule 22, and friction is increased to avoid the slipping-off of the positive ferrule 12.

It is understood that in other embodiments of the present application, the arrangement positions of the grooves 13 and the protrusions may vary according to the relative diameter sizes of the positive electrode ferrule 12 and the negative electrode ferrule 22, and are not limited herein.

In one embodiment of the present application, the positive ferrule 12 and the negative ferrule 22 are both aluminum alloy. Therefore, the fire risk possibly caused by electrochemical corrosion generated when the aluminum alloy cable is connected with the conventional photovoltaic connector can be avoided, and the potential safety hazard is reduced.

In addition, referring to fig. 6 and 8, in an embodiment of the present application, the first connection end 121 of the positive ferrule 12 and the second connection end 221 of the negative ferrule 22 are respectively provided with an opening 70 on the outer wall thereof for fixing a cable, and the positive ferrule 12 and the negative ferrule 22 are respectively provided with a retaining member inside thereof for fixing the cable and preventing the cable from coming off.

At least one of the positive connector 10 and the negative connector 20 included in the photovoltaic connector is provided with the fastener 30 and the waterproof member 40, and because the fastener 30 is integrally formed with the first main body 11 or the second main body 21, and the waterproof member 40 is arranged in the accommodating cavity in the fastener 30, the waterproof member 40 is fixed between the fastener 30 and the first main body 11 or between the fastener 30 and the second main body 21, so that the installation of the waterproof member 40 and the fastener 30 in the construction process can be omitted, the excessive construction links on site can be avoided, the working hours can be saved, the construction cost can be reduced, the potential quality hazard caused by the omission of the installation of the waterproof member 40 and the fastener 30 can be avoided, and the technical problems of complicated internal structure and time-consuming installation of the photovoltaic connector in the prior art can be effectively solved; in addition, the positive pole lock pin 12 and the negative pole lock pin 22 are aluminum alloy materials, are applicable to the aluminum alloy cable, produce the conflagration risk that electrochemical corrosion and lead to when avoiding the aluminum alloy cable to be connected with conventional photovoltaic connector, promote the security performance.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. A photovoltaic connector comprises a positive connector and a negative connector which are detachably connected, wherein the positive connector comprises a first main body and a positive inserting core arranged on the first main body, the negative connector comprises a second main body and a negative inserting core arranged on the second main body, and the negative inserting core is butted with the positive inserting core to be communicated with a cable;

2. The photovoltaic connector of claim 1, further comprising a nut, the fastener being located within the nut;

3. The photovoltaic connector of claim 2, wherein the fastener is frustoconical, a cross-sectional diameter of the fastener facing away from the first body being smaller than a cross-sectional diameter of the fastener facing toward the first body when the fastener is on the first body; when the fastener is located on the second body, a cross-sectional diameter of the fastener facing away from the second body is smaller than a cross-sectional diameter of the fastener facing toward the second body.

4. The photovoltaic connector according to claim 2, wherein the nut, the fastener and the waterproof member are provided with channels which are communicated with each other and used for fixing a cable, and the cable is inserted into the channels and correspondingly connected to the positive plug core or the negative plug core.

5. The photovoltaic connector of claim 1, further comprising a supporting member and a connecting member disposed on the supporting member, wherein the supporting member is disposed on the first body and the connecting member is used for fixedly connecting the positive connector to the outside, or the supporting member is disposed on the second body and the connecting member is used for fixedly connecting the negative connector to the outside.

6. The photovoltaic connector according to claim 5, wherein the supporting member is annular, the supporting member is annularly disposed on the first main body and integrated with the first main body, or the supporting member is annularly disposed on the second main body and integrated with the second main body, a width of the supporting member is 10mm to 12mm, and a thickness of the supporting member is greater than or equal to 2mm.

7. The photovoltaic connector of claim 6, wherein the connecting portion includes a plurality of connecting holes, and the plurality of connecting holes are evenly spaced on the support member.

8. The photovoltaic connector according to claim 7, wherein the number of the connection holes is four and each of the connection holes has a U-shape.

9. The photovoltaic connector according to any one of claims 1 to 8, wherein one of the positive ferrule and the negative ferrule is sleeved on the other, at least one groove or protrusion is provided on one of the positive ferrule and the negative ferrule, and an interference fit is formed between the positive ferrule and the negative ferrule.

10. The photovoltaic connector of any one of claims 1-8, wherein the positive ferrule and the negative ferrule are both aluminum alloy.