CN-122026149-A - Photovoltaic connector and application method thereof

CN122026149ACN 122026149 ACN122026149 ACN 122026149ACN-122026149-A

Abstract

The invention provides a photovoltaic connector and a using method thereof, and belongs to the field of photovoltaic power system wiring devices. The connector comprises a junction box and a plurality of connecting terminals, wherein the junction box is provided with a mounting groove, a female positive electrode end and a female negative electrode end are arranged in the groove, the connecting terminals comprise a holding part and a connecting head part, the holding part is connected with two to three photovoltaic special cables, and the connecting head part is provided with a male positive electrode end and a male negative electrode end. The connecting head can be inserted into the mounting groove and slide along the groove, so that the male anode and the female anode are correspondingly and reliably connected. When in use, the holding hand part is held to complete the insertion and sliding, and the terminal position is flexibly adjusted. The connector solves the problems of fixed position and unreliable contact of the existing connecting terminals, has the advantages of flexible position adjustment, reliable electric connection, regular wiring and convenient maintenance, is suitable for various outdoor photovoltaic power systems, and has long service life and high safety.

Inventors

LI HUI
CHEN ZEBING
WANG YANG
LIU XIN
TANG YANHUA
YE YUANFA
Chi Junhao
WANG QING

Assignees

三峡新能源永胜县有限公司

Dates

Publication Date: 20260512
Application Date: 20260203

Claims (10)

1. A photovoltaic wire-connecting device, characterized by comprising the following steps: The junction box is provided with a mounting groove, and a female positive terminal and a female negative terminal are arranged in the mounting groove; The connecting terminals comprise a handshake part and a connecting head part, wherein the handshake part is connected with an external electric wire, the connecting head part is provided with a positive end and a positive end which are connected with two electric wires respectively, the connecting head part is inserted into the mounting groove and slides along the length direction of the mounting groove, and the positive end of the connecting head part are connected with a female positive end and a female negative end of the connecting box respectively.
2. The photovoltaic connector according to claim 1, wherein the cross section of the mounting groove is in a cross shape, the female positive electrode end is arranged at the bottom of the mounting groove, the female negative electrode end is provided with two female negative electrode ends and is arranged at two sides of the mounting groove, the connecting head is provided with an annular groove, the male positive electrode end is arranged at the end of the connecting head, and the male negative electrode end is arranged at the annular groove.
3. A photovoltaic connector according to claim 2, wherein the female negative end is provided in an arc shape that mates with and projects toward the annular groove.
4. The photovoltaic connector according to claim 3, wherein the female negative electrode end is slidably disposed in the mounting groove, a plurality of first springs are fixedly connected in the mounting groove, the other ends of the first springs are fixed on the female negative electrode end, the female negative electrode end is pushed to be attached to the male negative electrode end of the connecting head, and the first springs are disposed along the length direction of the female negative electrode end.
5. The photovoltaic connector according to claim 4, wherein the end of the connection head is formed in an arc shape, and the female positive terminal is adapted to the shape of the end of the connection head.
6. The photovoltaic connector of claim 5, wherein the female positive terminal is slidably disposed in a mounting groove, a plurality of second springs are fixedly connected in the mounting groove, the other ends of the second springs are fixedly connected to the female positive terminal, the female positive terminal is pushed to be attached to the male positive terminal of the connecting head, and the second springs are disposed along the length direction of the female positive terminal.
7. The photovoltaic connector according to claim 2, wherein the connecting head is fixedly connected with an insulating rubber ring, and the insulating rubber ring covers the outside of the mounting groove for insulation and limiting of the plugging depth of the connecting head.
8. The photovoltaic connector of claim 7, wherein the grip portion is made of an insulating material and is configured as a hexagonal prism to cover the outer edge of the mounting groove.
9. A photovoltaic connector according to claim 1, wherein the junction box is provided in a plate or ring shape.
10. A method of using a photovoltaic connector according to any one of claims 1 to 9, comprising the steps of: a holding part for holding the wiring terminal, and aligning the connecting head part with the mounting groove of the wiring box; the connecting head is inserted into the mounting groove and is connected with the head in a sliding mode along the transverse direction of the mounting groove, so that the male positive end and the male negative end of the connecting head are respectively connected with the female positive end and the female negative end of the junction box; If the first spring and the second spring are arranged, when the connecting head is inserted into the mounting groove, the first spring pushes the female negative pole end to be attached to the male negative pole end at the concave part of the connecting head, the second spring pushes the female positive pole end to be attached to the male positive pole end of the connecting head, reliable electric connection is ensured, and clamping of the connecting head is realized through the female negative pole end; The plurality of connecting terminals are inserted in the manner, and the connecting terminals slide in the mounting grooves to change the positions of the connecting terminals.

Description

Photovoltaic connector and application method thereof Technical Field The invention relates to the technical field of wiring devices of photovoltaic power systems, in particular to a photovoltaic wire connector and a using method thereof. Background In a photovoltaic power system, a photovoltaic connector is a key component for realizing power transmission, and the performance of the photovoltaic connector directly affects the stability and safety of the system. The photovoltaic connector on the market generally has the following technical problems that firstly, a connecting terminal and a connecting box are connected in a bolt fastening or fastening fixing mode, the position of the connecting terminal cannot be adjusted after installation, when the wiring requirement of a photovoltaic system changes or a specific terminal needs to be maintained, the whole connector needs to be disassembled, the operation is complex, the efficiency is low, secondly, the design of a positive and negative electrode connecting structure is unreasonable, the condition of contact dislocation or insufficient contact area often occurs, the contact resistance is overlarge, the electric energy loss is caused, and the potential safety hazards such as fire disaster can be caused due to heating are also caused, thirdly, most connecting terminals can only be connected with a single wire or two wires, the additional connecting node needs to be added when the multi-wire switching is realized, the wiring layout is disordered, and the fault checking and maintenance difficulty is remarkably improved. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides an emergency oil discharge device and an emergency oil discharge method for adapting to land photovoltaics, which aim to solve the technical problems of unadjustable position of a wiring terminal, unreliable contact between a positive electrode and a negative electrode and disordered multi-line switching layout of the existing photovoltaic wiring device so as to improve the flexibility, reliability and maintenance convenience of wiring of a photovoltaic system. In order to achieve the above purpose, the present invention adopts the following technical scheme: a photovoltaic connector, comprising: The junction box is provided with a mounting groove, and a female positive terminal and a female negative terminal are arranged in the mounting groove; The connecting terminals comprise a handshake part and a connecting head part, wherein the handshake part is connected with an external electric wire, the connecting head part is provided with a positive end and a positive end which are connected with two electric wires respectively, the connecting head part is inserted into the mounting groove and slides along the length direction of the mounting groove, and the positive end of the connecting head part are connected with a female positive end and a female negative end of the connecting box respectively. Still further, the cross-section of mounting groove sets up to the cross, female positive electrode end sets up the bottom at the mounting groove, female negative electrode end is provided with two and installs the both sides at the mounting groove, be provided with annular groove on the connection head, the just extreme sets up the tip at the connection head, public negative electrode end sets up in annular groove department. Further, the female negative electrode end is arranged into an arc shape which is matched with the annular groove and protrudes towards the annular groove. Still further, female negative pole end slides and sets up in the mounting groove, fixedly connected with a plurality of first springs in the mounting groove, the other end of first spring is fixed on female negative pole end, promotes female negative pole end to paste to the public negative pole end of connecting the head, the length direction setting of female negative pole end is followed to first spring. Further, the end of the connecting head is arranged in an arc shape, and the female positive end is adapted to the shape of the end of the connecting head. Still further, female positive terminal slides and sets up in the mounting groove, fixedly connected with a plurality of second springs in the mounting groove, the other end fixed connection of second spring is in on the female positive terminal, promotes female positive terminal to paste towards the just extreme of connecting the head, the length direction that the second spring was followed female positive terminal sets up. Furthermore, an insulating rubber ring is fixedly connected to the connecting head, and the insulating rubber ring covers the outside of the mounting groove and is used for insulation and limiting the insertion depth of the connecting head. Further, the holding part is made of insulating materials and is arranged into a hexagonal prism body so as to cover the outer edge of the mounting groove. Further, the