CN219371462U

CN219371462U - Photovoltaic connector

Info

Publication number: CN219371462U
Application number: CN202320505246.9U
Authority: CN
Inventors: 向南
Original assignee: Sichuan Congdekuai New Energy Technology Co ltd
Current assignee: Sichuan Congdekuai New Energy Technology Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-07-18
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a photovoltaic connector, which belongs to the technical field of photovoltaic connection and comprises a first connector and a second connector fixed with the first connector, wherein connecting terminals are detachably and fixedly inserted into the first connector and the second connector, and protruding parts are fixed at one ends of the first connector and the second connector, which are close to each other, positioning grooves are formed at two ends of the first connector and the second connector, positioning blocks are elastically inserted into the two ends of the connecting terminals, photovoltaic leads are arranged at the ends, which are far away from the two connecting terminals, of the connecting terminals, the positioning blocks are in fit insertion connection in the positioning grooves, and the photovoltaic connector aims to solve the problems that an aluminum alloy cable is directly in pressure connection with an inserting core in a light Fu Guangfu connector in the prior art, poor contact between copper and aluminum is caused, contact resistance is increased, when current flows, the temperature of a joint part is increased, the temperature is increased, the joint corrosion is accelerated, and even fire hazard is caused.

Description

Photovoltaic connector

Technical Field

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

Background

In recent years, along with gradual slope withdrawal and price adjustment of photovoltaic patch, the construction cost of a photovoltaic system is increased intangibly, and the price of raw materials of the photovoltaic system is increased greatly, so that the income of the photovoltaic system is further reduced.

The cable is taken as an important electrical connection part in the photovoltaic system, has a large cost proportion, and selects a cable product with low price and good electrical connection performance, for example, an aluminum alloy cable with high quality and low price is used for replacing a copper core cable, so that the system cost can be effectively reduced, but the conventional photovoltaic assembly and the conventional string type inverter are both provided with conventional photovoltaic connectors, the inserting core in the photovoltaic connectors is made of red copper tinning materials, if the aluminum alloy cable is directly in pressure connection with the inserting core in the optical Fu Guangfu connector, electrochemical corrosion can be generated, poor contact between copper and aluminum is caused, contact resistance is increased, and when current passes through, the temperature of a joint part is increased, and the temperature is increased to accelerate joint corrosion, even fire hazard is caused.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a photovoltaic connector, which aims to solve the problems that in the prior art, an aluminum alloy cable is directly in pressure connection with a ferrule in a light Fu Guangfu connector, electrochemical corrosion can be generated, poor contact between copper and aluminum is caused, contact resistance is increased, and when current passes through, the temperature of a joint part is increased, and the temperature is increased to accelerate joint corrosion and even cause fire hazard.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a photovoltaic connector, which comprises a first connector and a second connector fixed with the first connector, wherein connecting terminals are detachably and fixedly inserted into the first connector and the second connector, protruding parts are fixed at one ends of the first connector, which are close to the second connector, positioning grooves are formed at two ends of the first connector and the second connector, positioning blocks are elastically inserted into two ends of the connecting terminals, photovoltaic leads are arranged at two ends, which are far away from the two connecting terminals, of the two connecting terminals, conductive parts connected with the photovoltaic leads are embedded into one sides, which are opposite to each other, of the two connecting terminals, and the positioning blocks are inserted into the positioning grooves in an anastomotic manner.

When the photovoltaic connector of the technical scheme is used, the connecting terminals in the first connector and the second connector are respectively replaced according to the material of the photovoltaic lead, the connecting terminals are made to be identical to the material of the photovoltaic lead, the positioning blocks are extruded from the side walls of the first connector and the second connector respectively to enable the connecting terminals to be moved out of the positioning grooves, so that the connecting terminals are detached, the mounting part on the photovoltaic lead is screwed and inserted into the mounting holes, after the photovoltaic lead is fixed with the connecting terminals, the connecting terminals are respectively inserted into the first connector and the second connector, the springs in the mounting grooves push the positioning blocks to enable the connecting terminals to be anastomotic and inserted into the positioning grooves, so that the connecting terminals are respectively kept fixed in the first connector and the second connector, the connecting terminals in the connectors are convenient to detach and replace, the material of the terminals in the photovoltaic connector is identical to the material of the photovoltaic lead, poor contact between copper and aluminum is avoided, the use condition of the photovoltaic connector is influenced, the protruding parts are respectively fixed on the first connector and the second connector, the protruding parts are respectively provided with clamping grooves and the clamping blocks are arranged on the two protruding parts, the protruding parts are inserted into the protruding parts, the protruding parts are completely pressed and connected with the protruding parts, and the protruding parts are completely pressed and connected with the side walls of the connecting blocks, and the protruding parts are completely pressed and connected with the protruding parts.

Preferably, the side wall of the connecting terminal is provided with a mounting groove, a spring is embedded in the mounting groove, and the spring in the mounting groove pushes the positioning block to enable the positioning block to be in fit and inserted in the positioning groove, so that the connecting terminal is respectively kept fixed in the first connector and the second connector.

Furthermore, the positioning block is anastomosed and spliced in the mounting groove, an inclined groove is formed in one end, extending out of the mounting groove, of the positioning block, the inclined groove is respectively abutted with the inner walls of the first connector and the second connector when the connecting terminal is mounted, so that the positioning block is contracted into the mounting groove until the positioning block moves to a position corresponding to the mounting groove, and the elastic force of the spring pushes the positioning block to be spliced in the positioning groove.

Furthermore, a mounting hole is formed in the center of the side wall of the connecting terminal, and a mounting part connected with the mounting hole is fixed on the connecting terminal.

Furthermore, the inner wall of the mounting hole is tapped with threads, the mounting part is inserted into the mounting hole in a threaded manner, and the circuit wire is fixedly connected with the connecting terminal through the mounting part and the mounting hole.

Still further, one of them the draw-in groove has all been seted up at the both ends of bellying, another the both ends of bellying all are fixed with the fixture block that corresponds with the draw-in groove, and the fixture block is through the inner wall butt of extrusion portion and draw-in groove at the in-process of inserting the draw-in groove to make the fixture block take place elastic deformation, extrude mutually with the conductive part on the second connector until first connector, extrusion portion stretches into the bellying completely, and the elasticity through the fixture block with the lateral wall butt of bellying, thereby promoted the stability of connecting between the photovoltaic connector.

Furthermore, the clamping block is inserted into the clamping groove in an anastomotic manner, and the side wall of the clamping block is convexly provided with an extrusion part which is abutted with the side wall of the protruding part.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the photovoltaic connector, the springs and the positioning blocks are arranged in the mounting grooves formed in the connecting terminals, the positioning blocks are extruded from the side walls of the first connector and the second connector respectively to enable the positioning blocks to be moved out of the positioning grooves, so that the connecting terminals are detached, the mounting parts on the photovoltaic leads are inserted into the mounting holes in a threaded mode, after the photovoltaic leads are fixed with the connecting terminals, the connecting terminals are inserted into the first connector and the second connector respectively, the springs in the mounting grooves push the positioning blocks to be inserted into the positioning grooves in an anastomotic mode, and therefore the connecting terminals are kept fixed in the first connector and the second connector respectively, the connecting terminals in the connectors are convenient to detach and replace, materials of the terminals in the photovoltaic connectors are identical to those of the photovoltaic leads, and the situation that poor contact between copper and aluminum is caused and the use of the photovoltaic connectors is affected is avoided.

2. Through all being fixed with the bellying on first connector and second connector, be provided with draw-in groove and fixture block respectively on two bellying, the fixture block is through the inner wall butt of extrusion portion and draw-in groove in the in-process of inserting the draw-in groove to make the fixture block take place elastic deformation, until the conductive part on first connector and the second connector extrudees mutually, extrusion portion stretches into the bellying completely, and the lateral wall butt through the elasticity and the bellying of fixture block, thereby promoted the stability of being connected between the photovoltaic connector.

Drawings

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

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of a connection terminal structure according to the present utility model;

FIG. 3 is a schematic view of a photovoltaic wire of the present utility model;

fig. 4 is a schematic view of the structure of the boss of the present utility model.

The marks in the drawings are: 1. a first connector; 2. a boss; 3. a conductive portion; 4. a second connector; 5. a clamping block; 6. a photovoltaic wire; 7. a positioning groove; 8. a positioning block; 9. a spring; 10. an inclined groove; 11. a mounting groove; 12. a connection terminal; 13. a mounting part; 14. a mounting hole; 15. an extrusion part; 16. a clamping groove.

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.

The present embodiment is a photovoltaic connector, the structural schematic diagram of which is shown in fig. 1, the photovoltaic connector includes a first connector 1 and a second connector 4 fixed to the first connector 1, connection terminals 12 are detachably and fixedly inserted into the first connector 1 and the second connector 4, one ends of the first connector 1, which are close to the second connector 4, are respectively fixed with a protruding portion 2, positioning slots 7 are respectively provided at two ends of the first connector 1 and the second connector 4, positioning blocks 8 are respectively elastically inserted into two ends of the connection terminals 12, photovoltaic wires 6 are respectively provided at two ends, which are far away from the two connection terminals 12, conductive portions 3 connected with the photovoltaic wires 6 are respectively embedded and fixed in one side surfaces, which are opposite to the two connection terminals 12, of the positioning blocks 8 are respectively inserted into the positioning slots 7 in an anastomotic manner.

Wherein, mounting groove 11 has been seted up to connecting terminal 12's lateral wall, and the embedded spring 9 that is provided with in mounting groove 11, locating piece 8 coincide grafting in mounting groove 11, and locating piece 8 stretches out mounting groove 11's one end and has seted up inclined groove 10, and connecting terminal 12's lateral wall central point department has seted up mounting hole 14, is fixed with the installation department 13 that is connected with mounting hole 14 on the connecting terminal 12.

In addition, the inner wall of the mounting hole 14 is tapped, the mounting portion 13 is inserted into the mounting hole 14 in a threaded manner, clamping grooves 16 are formed in two ends of one protruding portion 2, clamping blocks 5 corresponding to the clamping grooves 16 are fixed at two ends of the other protruding portion 2, the clamping blocks 5 are inserted into the clamping grooves 16 in an anastomotic manner, and the side walls of the clamping blocks 5 are provided with extrusion portions 15 in a protruding manner and abutted to the side walls of the protruding portions 2.

The structure of the connection terminal 12 of the photovoltaic connector is shown in fig. 2, the structure of the photovoltaic wire 6 is shown in fig. 3, and the structure of the protruding part 2 is shown in fig. 4.

Working principle: according to the material of the photovoltaic lead 6, the connecting terminals 12 in the first connector 1 and the second connector 4 are replaced respectively, the connecting terminals 12 are identical with the material of the photovoltaic lead 6, the positioning blocks 8 are extruded from the side walls of the first connector 1 and the second connector 4 to enable the connecting terminals 12 to be removed from the positioning grooves 7, accordingly, the connecting terminals 12 are detached, the mounting parts 13 on the photovoltaic lead 6 are inserted into the mounting holes 14 in a threaded manner, after the photovoltaic lead 6 and the connecting terminals 12 are fixed, the connecting terminals 12 are inserted into the first connector 1 and the second connector 4 respectively, the springs 9 in the mounting grooves 11 push the positioning blocks 8 to enable the connecting terminals 12 to be anastomosed and inserted into the positioning grooves 7 respectively, the connecting terminals 12 are kept fixed in the first connector 1 and the second connector 4 respectively, the connecting terminals 12 in the connectors are convenient to detach and replace, the material of the terminals in the photovoltaic lead 6 and the material of the photovoltaic lead, the situation that the use of the photovoltaic connector is affected is avoided, the clamping parts 2 are fixedly connected with the protruding parts 2 through the clamping parts 2 on the first connector 1 and the second connector 4 in a clamping way, the protruding parts 2 are pressed and the protruding parts 2 are arranged on the protruding parts 2 and the protruding parts 5 are completely pressed and the protruding parts 5 are connected with the protruding parts 2 through the protruding parts 2, and the protruding parts 2 are completely pressed and the protruding parts 2 are pressed and the protruding parts 5 are completely and the protruding parts are connected with the protruding parts 2 are pressed and the protruding parts 5 and the protruding parts are completely and the protruding parts are connected through the protruding parts 5 and the protruding parts are pressed and the protruding parts are connected through the protruding parts and the protruding parts are 3.

All technical features in the embodiment can be freely combined according to actual needs.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a photovoltaic connector, this photovoltaic connector includes first connector (1) and with first connector (1) looks fixed second connector (4), a serial communication port, all detachable fixed grafting has connecting terminal (12) in first connector (1) and second connector (4), and the one end that first connector (1) is close with second connector (4) all is fixed with bellying (2), wherein constant head tank (7) have all been seted up at the both ends of first connector (1) and second connector (4), locating piece (8) have all been pegged graft to the both ends of connecting terminal (12), and the one end that two connecting terminal (12) kept away from mutually all is equipped with photovoltaic wire (6), wherein all is built-in to be fixed with conducting part (3) that are connected with photovoltaic wire (6) in two connecting terminal (12) one side in opposite directions, locating piece (8) coincide grafting in constant head tank (7).

2. The photovoltaic connector according to claim 1, wherein the side wall of the connection terminal (12) is provided with a mounting groove (11), and a spring (9) is embedded in the mounting groove (11).

3. The photovoltaic connector according to claim 2, wherein the positioning block (8) is inserted into the mounting groove (11) in an anastomotic manner, and an inclined groove (10) is formed at one end of the positioning block (8) extending out of the mounting groove (11).

4. The photovoltaic connector according to claim 1, wherein a mounting hole (14) is formed in a central position of a side wall of the connection terminal (12), and a mounting portion (13) connected to the mounting hole (14) is fixed to the connection terminal (12).

5. A photovoltaic connector according to claim 4, characterized in that the inner wall of the mounting hole (14) is threaded, and the mounting portion (13) is screwed into the mounting hole (14).

6. The photovoltaic connector according to claim 1, wherein the two ends of one of the protruding portions (2) are provided with clamping grooves (16), and the two ends of the other protruding portion (2) are fixed with clamping blocks (5) corresponding to the clamping grooves (16).

7. The photovoltaic connector according to claim 6, wherein the clamping block (5) is inserted into the clamping groove (16) in an anastomotic manner, and the side wall of the clamping block (5) is convexly provided with an extrusion part (15) which is abutted with the side wall of the protruding part (2).