CN212695950U

CN212695950U - High-stability photovoltaic junction box

Info

Publication number: CN212695950U
Application number: CN202021653160.3U
Authority: CN
Inventors: 李霖; 李义鹏; 匡元海
Original assignee: Jiangsu Haitian Microelectronics Corp
Current assignee: Jiangsu Haitian Microelectronics Corp
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-12
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a photovoltaic terminal box of high stability, including box body and lid, be equipped with the copper tablet in the box body, a serial communication port, box body one end is equipped with several types arch, cable guide way has been seted up at the bellied back of several types, the back of box body is equipped with the clamping operation hole, the cable guide way links to each other with the clamping operation hole, be equipped with the cable in the cable guide way, the one end of cable is naked copper line, all the other parts parcel rubber, be equipped with the briquetting that matches with the cable guide way on the cable guide way, the rubber part of cable is fixed between cable guide way and briquetting, the copper line part of cable links to each other with the cable joint of copper tablet, fix in the clamping operation hole. The utility model discloses changed the fixed mode of power cord, passed through the briquetting with the power cord and fixed in the cable guide way, the head and the cable joint clamp of power cord are in the same place, and this kind of mode is connected firmly, and it is not hard up to have avoided the lid to open and shut the power cord that causes, has improved life and security.

Description

High-stability photovoltaic junction box

Technical Field

The utility model relates to a photovoltaic terminal box of high stability.

Background

The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and a solar charging control device, is a cross-field comprehensive design combining electrical design, mechanical design and material science, and is mainly used for connecting and protecting the solar photovoltaic modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.

The lid and the box body joint of current photovoltaic terminal box are fixed, and such fixed mode of connecting is unable fine fixes the power cord in the terminal box, and the lid opens and shuts and easily causes the connection insecure, damages the terminal box, can't use in high-pressure environment, and life and safe in utilization can't obtain the guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art, and providing a photovoltaic junction box with high stability, which is convenient to connect, stable, safe and reliable.

The utility model provides a photovoltaic terminal box of high stability, comprises a box bod and a box cover, be equipped with the bronze medal in the box body, wherein, box body one end is equipped with several types arch, the cable guide way has been seted up at the bellied back of several types, the cross section of cable guide way is the shape of circle top down, the back of box body is equipped with the clamping operation hole, the cable guide way links to each other with the clamping operation hole, be equipped with the cable in the cable guide way, the one end of cable is naked copper line, all the other parts parcel rubber, be equipped with the briquetting that matches with the cable guide way on the cable guide way, the rubber part of cable is fixed between cable guide way and briquetting, the copper line part of cable links to each other with the cable joint of bronze medal.

As a further improvement, the box body is connected with the box cover through a plastic buckle.

As a further improvement, an anti-slip belt is arranged inside the cable guide groove.

As a further improvement, the pressing block is in interference fit with the cable guide groove.

As a further improvement, the assembly mode of the pressing block and the cable guide groove is ultrasonic fusion welding.

As a further improvement, the cable joint is a U-shaped copper sheet, and is connected with the copper wire in a concave structure in the clamping operation hole.

As a further improvement, the gap between the copper wire and the cable joint is filled with soldering tin.

Has the advantages that:

the utility model relates to an ingenious has changed the fixed mode of power cord, passes through the briquetting with the power cord and fixes in the cable guide way, and the head and the cable joint clamp of power cord are in the same place, and this kind of mode is connected firmly, and it is not hard up to have avoided the lid to open and shut the power cord that causes, has improved life and security.

Drawings

FIG. 1 is a schematic view of a high stability photovoltaic junction box;

FIG. 2 is a schematic structural view of an integral copper plate;

FIG. 3 is a top view of the cartridge body;

FIG. 4 is a bottom view of the cartridge body;

FIG. 5 is a schematic view of the clamping of the cable lug and the power cord;

FIG. 6 is a schematic view showing the connection of the pressing block and the wire guide groove;

1. the box cover 2, the integrated copper plate 21, the positioning hole 22, the foolproof hole 23, the diode module 24, the copper sheet 25, the cable connector 3, the box body 4, the copper plate supporting seat 5, the foolproof column 6, the positioning column 7, the clamping operation hole 8, the n-shaped bulge 9, the conical guide groove 10, the cable guide groove 11, the press block 11

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

As shown in fig. 1 to 6, the high-stability photovoltaic junction box comprises a box cover 1, an integrated copper plate 2, a positioning hole 21, a fool-proof hole 22, a diode module 23, a copper sheet 24, a cable connector 25, a box body 3, a copper plate supporting seat 4, a fool-proof column 5, a positioning column 6, a clamping operation hole 7, a n-shaped protrusion 8, a conical guide groove 9, a cable guide groove 10 and a pressing block 11.

A high-stability photovoltaic junction box comprises a box body 3 and a box cover 1, wherein the box body 3 is connected with the box cover 1 through a plastic buckle, an integrated copper plate 2 is arranged in the box body 3, one end of the box body 3 is provided with a n-shaped bulge 8, the back of the n-shaped bulge 8 is provided with a cable guide groove 10, an anti-slip belt is arranged inside the cable guide groove 10, the cross section of the cable guide groove 10 is in a shape of a lower circle and an upper part, the back of the box body 3 is provided with a clamping operation hole 7, the cable guide groove 10 is connected with the clamping operation hole 7, a cable is arranged in the cable guide groove 10, one end of the cable is an exposed copper wire, the rest part is wrapped with rubber, a pressing block 11 matched with the cable guide groove 10 is arranged on the cable guide groove 10, the pressing block 11 is in interference fit with the cable guide groove 10, the pressing block 11 and the cable guide groove 10 are assembled in an ultrasonic fusion welding, the copper line part of cable links to each other with the cable joint 25 of integral type copper tablet 2, and cable joint 25 is U type copper sheet, links to each other with the copper line with "concave" font structure in clamping operation hole 7, fixes in clamping operation hole 7, and it has soldering tin to fill between the gap of copper line and cable joint 25.

The assembly process of the high-stability photovoltaic junction box comprises the steps of firstly aligning a fool-proof hole 22 of an integrated copper plate 2 with a fool-proof column 5 on a box body 3, inserting a positioning column 6 into a positioning hole 21, then, a cold pressing process is adopted to flatten the part of the positioning column 6, which exceeds the positioning hole 21, so that the integrated copper plate 2 is fixed in the box body 3, then the power line with one end stripped of rubber is put into the cable guide groove 10, the end with the exposed copper wire is put into the U-shaped cable joint 25, in the clamping operation hole 7, the manipulator bends the U-shaped cable joint 25 into a concave shape, the copper wire part is clamped together, soldering tin is filled into the joint by a welding machine, then the pressing block 11 is connected with the cable guide groove 10 by using an ultrasonic fusion welding technology to fix the end part of the power wire, and finally the box cover 1 and the box body 3 are closed, so that the photovoltaic junction box is assembled.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a photovoltaic terminal box of high stability, comprises a box body and a box cover, be equipped with the bronze medal in the box body, a serial communication port, box body one end is equipped with several types arch, the cable guide way has been seted up at the bellied back of several types, the cross section of cable guide way is the shape of circle top down, the back of box body is equipped with the clamping operation hole, the cable guide way links to each other with the clamping operation hole, be equipped with the cable in the cable guide way, the one end of cable is naked copper line, all the other parts parcel rubber, be equipped with the briquetting that matches with the cable guide way on the cable guide way, the rubber part of cable is fixed between cable guide way and briquetting, the copper line part of cable links to each other with the cable joint of bronze medal.

2. The high-stability photovoltaic junction box of claim 1, wherein the box body and the box cover are connected through plastic fasteners.

3. The high-stability photovoltaic junction box of claim 1, wherein the cable guide groove is internally provided with an anti-slip belt.

4. The high-stability photovoltaic junction box of claim 1, wherein the pressing block is in interference fit with the cable guide groove.

5. The high-stability photovoltaic junction box of claim 1, wherein the assembly of the pressing block and the cable guide groove is ultrasonic welding.

6. The high-stability photovoltaic junction box of claim 1, wherein the cable connector is a U-shaped copper sheet connected to the copper wire in a concave structure in the clamping operation hole.

7. The high-stability photovoltaic junction box according to claim 1, wherein a gap between the copper wire and the cable joint is filled with solder.