CN220605877U

CN220605877U - Photovoltaic connector

Info

Publication number: CN220605877U
Application number: CN202322295302.3U
Authority: CN
Inventors: 李占良; 王亮; 杨伟; 兰刚; 李方兵; 张欣; 张平民
Original assignee: Baoding Yitong Pv Science & Technology Co ltd; Yingli Group Co Ltd
Current assignee: Baoding Yitong Pv Science & Technology Co ltd; Yingli Group Co Ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-15
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a photovoltaic connector, and belongs to the technical field of photovoltaics; the device comprises a first connector and a second connector, wherein the first connector is inserted into the second connector, and a sealing structure is arranged on the first connector; the sealing structure comprises at least two sealing grooves arranged outside the first joint, and sealing rings are arranged in the sealing grooves and are abutted with the inner wall of the second joint; the outer wall of the sealing ring is fixedly connected with a flexible extension plate, the extension plate extends out of the sealing groove, and the part of the extension plate extending out of the sealing groove is extruded and deformed by the inner wall of the second joint. The utility model has simple structure and convenient use, increases the waterproofness of the photovoltaic connector, reduces the risk of water inflow, improves the safety of connection, and increases the connection stability of the photovoltaic connector.

Description

Photovoltaic connector

Technical Field

The utility model belongs to the technical field of photovoltaics, and particularly relates to a photovoltaic connector.

Background

The photovoltaic connector is a key component for interconnecting various components such as a photovoltaic module, a combiner box, a controller, an inverter and the like in a solar photovoltaic power generation system; they play an important role in the design and installation of solar energy systems, providing reliable electrical connections and safety performance.

Most photovoltaic connectors are used outdoors, and thus it is necessary to ensure that the photovoltaic connector can function normally for a long period of time in various outdoor environments. Especially when the photovoltaic connector is used on the sea surface, the waterproof performance of the connector is insufficient, and the connector is easy to burn due to protection failure.

Therefore, the application designs a photovoltaic connector to solve the technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a photovoltaic connector.

In order to achieve the above object, the present utility model provides a photovoltaic connector, which comprises a first connector and a second connector, wherein the first connector is inserted into the second connector, and a sealing structure is arranged on the first connector;

the sealing structure comprises at least two sealing grooves which are arranged outside the first joint, a sealing ring is arranged in each sealing groove, and the sealing ring is abutted with the inner wall of the second joint;

the outer wall rigid coupling of sealing ring has flexible extension board, the extension board stretches out the seal groove, the extension board stretches out the part of seal groove is by the extrusion deformation of second joint inner wall.

Preferably, one end of the first joint is fixedly connected with a plug, the plug comprises at least two stages of steps, and at least one sealing groove is arranged on each stage of steps.

Preferably, a receiving groove is formed in one side, facing the first connector, of the sealing ring on the plug, and the extension plate is pushed to the receiving groove by the second connector and is in embedded joint with the receiving groove.

Preferably, one end of the second connector is provided with a slot matched with the plug, and the plug is inserted into the slot; the outer wall of the slot presses the sealing ring and the extension plate to be abutted against the sealing ring and the extension plate.

Preferably, one end of the first connector, which faces the second connector, is fixedly connected with a plurality of clamping pieces which are annularly arranged, one end of the second connector, which faces the first connector, is provided with a clamping groove which is matched with the clamping pieces, and the clamping pieces are spliced in the clamping groove.

Preferably, the outer wall of the clamping piece is fixedly connected with a barb, and the barb is clamped with the clamping groove.

Preferably, the outer walls of the first joint and the second joint are provided with anti-skid grooves for increasing friction force.

Preferably, one end of the first connector and one end of the second connector, which are far away from each other, are in threaded connection with a locking nut for fixing the cable connector.

Compared with the prior art, the utility model has the following advantages and technical effects: the application discloses a photovoltaic connector, which is mainly used for solving the problem of insufficient waterproof property of the existing photovoltaic connector; the first connector is inserted into the second connector, and the tightness between the first connector and the second connector is improved through the sealing structure; the number of the sealing grooves is not less than two, one sealing ring is arranged in each sealing groove, the first joint and the second joint squeeze the sealing rings, sealing is realized, and water leakage caused by aging of the sealing rings is reduced by the sealing rings of not less than two times; the outer wall rigid coupling of sealing ring has flexible extension board, and the extension board stretches out the seal groove, and the second connects promotion extension board to first joint deflection deformation, increases the resistance between first joint and the second joint, also can increase the leakproofness when preventing to take off the branch.

The utility model has simple structure and convenient use, increases the waterproofness of the photovoltaic connector, reduces the risk of water inflow, improves the safety of connection, and increases the connection stability of the photovoltaic connector.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:

FIG. 1 is an axial view of a photovoltaic connector of the present utility model;

FIG. 2 is a first joint axial view of the present utility model;

FIG. 3 is a front view of a first connector according to the present utility model;

FIG. 4 is a schematic view of a photovoltaic connector according to the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4A in accordance with the present utility model;

FIG. 6 is a schematic structural view of a seal ring of the present utility model;

in the figure: 1. a first joint; 2. a second joint; 3. sealing grooves; 4. a seal ring; 5. an extension plate; 6. a receiving groove; 7. a plug; 8. a slot; 9. a clamping piece; 10. a clamping groove; 11. a barb; 12. an anti-skid groove; 13. and (5) locking the nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-6, the present embodiment provides a photovoltaic connector, which includes a first connector 1 and a second connector 2, wherein the first connector 1 is inserted into the second connector 2, and a sealing structure is provided on the first connector 1;

the sealing structure comprises at least two sealing grooves 3 arranged outside the first joint 1, a sealing ring 4 is arranged in each sealing groove 3, and the sealing ring 4 is abutted with the inner wall of the second joint 2;

the outer wall of the sealing ring 4 is fixedly connected with a flexible extension plate 5, the extension plate 5 extends out of the sealing groove 3, and the part of the extension plate 5 extending out of the sealing groove 3 is extruded and deformed by the inner wall of the second joint 2.

The application discloses a photovoltaic connector, which is mainly used for solving the problem of insufficient waterproof property of the existing photovoltaic connector; the first connector 1 is inserted into the second connector 2, and the tightness between the first connector 1 and the second connector 2 is improved through the sealing structure; the number of the sealing grooves 3 is not less than two, one sealing ring 4 is arranged in each sealing groove 3, the first joint 1 and the second joint 2 squeeze the sealing rings 4 to realize sealing, and the sealing rings 4 not less than two reduce water leakage caused by ageing of the sealing rings 4; the outer wall rigid coupling of sealing ring 4 has flexible extension board 5, and extension board 5 stretches out seal groove 3, and second joint 2 promotes extension board 5 to first joint 1 skew deformation, increases the resistance between first joint 1 and the second joint 2, also can increase the leakproofness when preventing to take off the branch.

Further, the extension plate 5 is an annular plate on the outer wall of the sealing ring 4, and is mainly used for expanding the influence range of the sealing ring, and the first connector 1 and the second connector 2 are inserted to enable the extension plate 5 to deform, so that the sealing effect is improved.

In a further optimization scheme, one end of the first joint 1 is fixedly connected with a plug 7, the plug 7 comprises at least two stages, and at least one sealing groove 3 is arranged on each stage of the stages; one end of the second connector 2 is provided with a slot 8 matched with the plug 7, and the plug 7 is inserted into the slot 8; the outer wall of the slot 8 presses the sealing ring 4 and the extension plate 5 to be abutted against the sealing ring and the extension plate; the sealing ring 4 on the plug 7 is provided with a containing groove 6 towards one side of the first connector 1, and the extension plate 5 is pushed to the containing groove 6 by the second connector 2 and is embedded and clamped in the containing groove 6. The plug 7 is designed into a ladder shape, and each step is provided with at least one seal groove 3 to form staggered multi-stage seal, so that the sealing effect is improved; plug 7 is pegged graft at slot 8 for the cable realizes connecting, and slot 8 promotes and extrudees extension board 5 to first joint 1 simultaneously, leads to extension board 5 to warp and block into holding tank 6 in, improves sealed effect, makes simultaneously and is more stable to be connected between hypergraph and the slot 8, is difficult for disengaging.

In a further optimized scheme, one end of the first connector 1, which faces the second connector 2, is fixedly connected with a plurality of clamping pieces 9 which are annularly arranged, one end of the second connector 2, which faces the first connector 1, is provided with a clamping groove 10 which is matched with the clamping pieces 9, and the clamping pieces 9 are spliced in the clamping groove 10; the outer wall of the clamping piece 9 is fixedly connected with a barb 11, and the barb 11 and the clamping groove 10 are driven. When the plug 7 is inserted into the slot 8, the inclined elastic clamping piece 9 is inserted into the clamping groove 10, and is clamped in the clamping groove 10 through the barb 11, so that the connection between the first connector 1 and the second connector 2 is realized; when the joint needs to be disassembled, the clamping piece 9 is pulled towards the center side, so that the barb 11 is separated from the clamping groove 10, and the first joint 1 and the second joint 2 can be separated.

Further optimizing scheme, the outer wall of the first joint 1 and the second joint 2 is provided with a non-slip groove 12 for increasing friction force. The anti-slip groove 12 is used for increasing the friction force of the first joint 1 and the second low joint, so that the operator can conveniently hold the anti-slip groove.

In a further preferred embodiment, the first connector 1 and the second connector 2 are connected with a locking nut 13 for fixing the cable connector by screw threads at the end far away from each other. The end of the cable is inserted from one end of the mutual principle of the first connector 1 and the second connector 2 and is pressed and fixed through the locking nut 13, so that the cable is fixed with the first connector 1 and the second connector 2, and when the first connector 1 is connected with the second connector 2, the cable is also connected, and the transmission of signals and currents is ensured.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A photovoltaic connector, characterized in that: comprises a first connector (1) and a second connector (2), wherein the first connector (1) is inserted into the second connector (2), a sealing structure is arranged on the first joint (1);

the sealing structure comprises at least two sealing grooves (3) arranged outside the first joint (1), a sealing ring (4) is arranged in each sealing groove (3), and the sealing ring (4) is abutted with the inner wall of the second joint (2);

the outer wall rigid coupling of sealing ring (4) has flexible extension board (5), extension board (5) stretch out seal groove (3) the part by second connects (2) inner wall extrusion deformation.

2. The photovoltaic connector of claim 1, wherein: one end of the first joint (1) is fixedly connected with a plug (7), the plug (7) comprises at least two stages of steps, and each stage of steps is provided with at least one seal groove (3).

3. The photovoltaic connector of claim 2, wherein: the sealing ring (4) on the plug (7) is provided with a containing groove (6) towards one side of the first connector (1), and the extension plate (5) is pushed to the containing groove (6) by the second connector (2) and is embedded and clamped in the containing groove (6).

4. A photovoltaic connector according to claim 3, characterized in that: one end of the second connector (2) is provided with a slot (8) matched with the plug (7), and the plug (7) is inserted into the slot (8); the outer wall of the slot (8) presses the sealing ring (4) and the extension plate (5) to be abutted with each other.

5. The photovoltaic connector of claim 1, wherein: the first joint (1) is towards one end rigid coupling that second connects (2) has a plurality of joint pieces (9) that are annular and arrange, second connects (2) towards one end of first joint (1) seted up with joint piece (9) looks adaptation joint groove (10), joint piece (9) are pegged graft in joint groove (10).

6. The photovoltaic connector of claim 5, wherein: the outer wall of the clamping piece (9) is fixedly connected with a barb (11), and the barb (11) is clamped with the clamping groove (10).

7. The photovoltaic connector of claim 1, wherein: the outer walls of the first joint (1) and the second joint (2) are provided with anti-skid grooves (12) for increasing friction force.

8. The photovoltaic connector of claim 1, wherein: one end of the first connector (1) and one end of the second connector (2) which are far away from each other are in threaded connection with a locking nut (13) for fixing the cable connector.