CN215393000U

CN215393000U - Welding and pressing tool for junction box of solar photovoltaic module

Info

Publication number: CN215393000U
Application number: CN202022755386.0U
Authority: CN
Inventors: 袁小俊; 林勇; 庄益春; 张蓉
Original assignee: Jurong Xiexin Integrated Technology Co ltd
Current assignee: Jurong Xiexin Integrated Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2022-01-04
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a solar photovoltaic module junction box welding pressing tool which comprises a shell and a fixing nut, wherein anti-skidding particles are arranged outside the shell, and a connector is fixed above the shell. This frock is pressed in welding of solar PV modules terminal box is provided with the connection piece and presses the cone, through welding at the left connection piece of retainer plate with fix the cone of pressing in the connection piece below, thereby make the soldering iron press down on lead-out wire to the terminal of terminal box, add tin to the lead-out wire surface simultaneously, the lead-out wire surface, tin layer and soldering tin silk on the terminal of terminal box are through high temperature melting, when the soldering tin silk melts and is the parcel state around the lead-out wire, in time lift up the soldering iron, use and press the cone and press down the central zone of lead-out wire and terminal contact of terminal box, make fused tin layer with lead-out wire and terminal of terminal box parcel, the solidification, this frock operating method is simple, high efficiency, avoid the lead to the rosin joint on the terminal of lead-out wire welding, the overlap joint area is little.

Description

Welding and pressing tool for junction box of solar photovoltaic module

Technical Field

The utility model relates to the technical field of welding pressing tools, in particular to a welding pressing tool for a junction box of a solar photovoltaic module.

Background

Solar energy is widely utilized and developed as a renewable energy source, and the wide application of photovoltaic technology enables the demand of photovoltaic modules to rapidly increase. The laminated part of the photovoltaic module is sequentially pressed from bottom to top by a back plate, an EVA (ethylene vinyl acetate) adhesive film, a solar cell piece, an EVA adhesive film and toughened glass at a certain temperature and under a vacuum condition; a junction box is required to be installed at one end of a leading-out wire of the photovoltaic module, the leading-out wire and a terminal of the junction box are fully welded and connected, current generated by the photovoltaic module is conducted out, meanwhile, the solar photovoltaic module is protected, and the solar modules are convenient to connect with each other.

The existing terminal box terminal and the outgoing line on the market are welded by tin, the outgoing line is welded while tin is added during manual operation, and due to certain resilience after the outgoing line is bent, the welding quality of the outgoing line and the terminal is not firm, the welding lap joint area is small, or a false-welded assembly easily flows into a client, so that a major quality accident is caused.

Aiming at the problems, innovative design is urgently needed on the basis of the original welding pressing tool, and therefore the welding pressing tool for the junction box of the solar photovoltaic module is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a welding and pressing tool for a junction box of a solar photovoltaic module, which aims to solve the problems that in the background technology, the welding of a terminal box terminal and a lead-out wire needs tin adding and welding, the lead-out wire is welded while tin is added during manual operation, and the lead-out wire has certain resilience after being bent, so that the welding quality of the lead-out wire and the terminal is not firm, the welding lap joint area is small, or a false-welded module easily flows into a client, and a major quality accident is caused.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a frock is pressed in welding of solar PV modules terminal box, includes shell and fixation nut, the outside of shell is provided with anti-skidding granule, and the top of shell is fixed with the joint, the connecting wire is installed to the top that connects, fixation nut installs in the below of shell, and fixation nut's below is provided with the retainer plate, the left side of retainer plate is fixed with the connection piece, and the below of connection piece is provided with presses the cone, the below of retainer plate is provided with the soldering pen, and the below of soldering pen is fixed with the soldering bit.

Preferably, the fixing ring forms a detachable structure with the housing through the fixing nut, and the inner diameter of the fixing ring is about 19mm, and the thickness of the fixing ring is about 1 mm.

Preferably, the connecting piece and the fixing ring are connected in a welding mode, the connecting piece is matched with the shell through the fixing ring and the fixing nut to form a fixing structure, and the length of the connecting piece is about 20 mm.

Preferably, the pressing cone and the connecting piece are of an integrated structure, the length of the pressing cone is 80-90mm, the diameter of the pressing cone is 2-3mm, and the included angle between the pressing cone and the connecting piece is 90 degrees.

Preferably, be through connection between welding pen and the retainer plate, and the welding pen passes through to constitute detachable construction between fixation nut and the shell to the welding pen is perpendicular to the bottom surface of shell.

Preferably, the soldering bit and the soldering pen are in threaded connection, the lowest ends of the soldering bit and the pressing cone are horizontal, and the distance between the center point of the soldering bit and the center of the bottom end of the pressing cone is about 30 mm.

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

1. this frock is pressed in welding of solar PV modules terminal box is provided with the connection piece and presses the cone, through welding at the left connection piece of retainer plate with fix the cone of pressing in the connection piece below, thereby make the soldering iron press down on lead-out wire to the terminal of terminal box, add tin to the lead-out wire surface simultaneously, the lead-out wire surface, tin layer and soldering tin silk on the terminal of terminal box are through high temperature melting, when the soldering tin silk melts and is the parcel state around the lead-out wire, in time lift up the soldering iron, use and press the cone and press down the central zone of lead-out wire and terminal contact of terminal box, make fused tin layer with lead-out wire and terminal of terminal box parcel, the solidification, this frock operating method is simple, high efficiency, avoid the lead to the rosin joint on the terminal of lead-out wire welding, the overlap joint area is little.

2. This frock is pressed in welding of solar PV modules terminal box is provided with fixation nut and retainer plate, through the fixation nut and the retainer plate of laminating in the fixation nut below that set up in the shell below to can make the retainer plate can fix the retainer plate in the centre of shell and welding pen through fixation nut, conveniently dismantle the change, the maintenance of being convenient for can effectual reduction welding press the purchase cost of frock, saves enterprise's resource.

3. This frock is pressed in welding of solar PV modules terminal box is provided with the connection piece, through the left connection piece of welding at the retainer plate to can make the connection piece drive when using to press the frock and press the cone, press cone and shell parallel to each other simultaneously, can not change the free distance who presses the cone.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front view of the connecting sheet of the present invention;

FIG. 3 is a schematic top view of the present invention.

In the figure: 1. a housing; 2. anti-skid particles; 3. a joint; 4. a connecting wire; 5. fixing a nut; 6. a stationary ring; 7. connecting sheets; 8. pressing the cone; 9. a welding pen; 10. a soldering iron tip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a solar photovoltaic module junction box welding pressing tool comprises a shell 1 and a fixing nut 5, anti-skid particles 2 are arranged outside the shell 1, a connector 3 is fixed above the shell 1, a connecting wire 4 is installed above the connector 3, the fixing nut 5 is installed below the shell 1, a fixing ring 6 is arranged below the fixing nut 5, the fixing ring 6 forms a detachable structure with the shell 1 through the fixing nut 5, the inner diameter of the fixing ring 6 is about 19mm, the thickness of the fixing ring 6 is about 1mm, the fixing ring 6 can be fixed between the shell 1 and a welding pen 9 through the fixing nut 5 by virtue of the fixing nut 5 arranged below the shell 1 and the fixing ring 6 attached below the fixing nut 5, the fixing ring 6 is convenient to detach and replace, the maintenance is convenient, the purchase cost of the welding pressing tool can be effectively reduced, and enterprise resources are saved, a connecting sheet 7 is fixed on the left side of the fixing ring 6, a pressing cone 8 is arranged below the connecting sheet 7, the connecting sheet 7 is connected with the fixing ring 6 in a welding manner, the connecting sheet 7 forms a fixing structure with the shell 1 through the matching of the fixing ring 6 and the fixing nut 5, the length of the connecting sheet 7 is about 20mm, the connecting sheet 7 and the shell 1 can be fixed through the connecting sheet 7 arranged on the left side of the fixing ring 6 and the fixing ring 6 attached below the fixing nut 5, the pressing cone 8 and the connecting sheet 7 are of an integrated structure, the length of the pressing cone 8 is 80-90mm, the diameter of the pressing cone 8 is 2-3mm, the included angle between the pressing cone 8 and the connecting sheet 7 is 90 degrees, the pressing cone 8 is fixed below the connecting sheet 7, so that the connecting sheet 7 can drive the pressing cone 8 when the pressing tool is used, and the pressing cone 8 and the shell 1 are parallel, the movable distance of the pressing cone 8 cannot be changed, the soldering pen 9 is arranged below the fixed ring 6, the soldering iron head 10 is fixed below the soldering pen 9, the soldering pen 9 is in penetrating connection with the fixed ring 6, the soldering pen 9 forms a detachable structure with the shell 1 through the fixed nut 5, the soldering pen 9 is perpendicular to the bottom end surface of the shell 1, the soldering pen 9 penetrates through the fixed ring 6 and is fixed with the shell 1 through the fixed nut 5, the dismounting and the replacement are convenient, the maintenance is convenient, the soldering iron head 10 is in threaded connection with the soldering pen 9, the lowest ends of the soldering iron head 10 and the pressing cone 8 are horizontal, the center point of the soldering iron head 10 is about 30mm away from the center of the bottom end of the pressing cone 8, when in use, the soldering iron head 10 presses the outgoing line to the terminal of the junction box, meanwhile, tin is added on the surface of the outgoing line, a tin layer on the terminal of the junction box and a tin wire are melted at high temperature, when the solder wire is in a wrapped state around the outgoing line after being melted, the soldering iron head 10 is lifted in time, the central area where the outgoing line is in contact with the terminal of the junction box is pressed by the pressing cone 8, so that the outgoing line and the terminal of the junction box are wrapped and solidified by the molten tin layer.

The working principle is as follows: the solar photovoltaic module junction box welding pressing tool comprises a fixing nut 5 arranged below a shell 1 and a fixing ring 6 attached below the fixing nut 5, so that the fixing ring 6 can be fixed between the shell 1 and a welding pen 9 through the fixing nut 5, the fixing ring 6 is convenient to detach and replace and convenient to maintain, the purchase cost of the welding pressing tool can be effectively reduced, enterprise resources are saved, furthermore, a connecting sheet 7 arranged on the left side of the fixing ring 6 and the fixing ring 6 attached below the fixing nut 5 can fix the connecting sheet 7 and the shell 1, a pressing cone 8 fixed below the connecting sheet 7 can drive the pressing cone 8 when the pressing tool is used, the pressing cone 8 is parallel to the shell 1, and the moving distance of the pressing cone 8 cannot be changed, during the use, solder horn 10 presses on lead-out wire to the terminal box, add tin to the lead-out wire surface simultaneously, the lead-out wire surface, tin layer and solder wire on the terminal box terminal are through high temperature melting, when the solder wire melts the back and is the parcel state around the lead-out wire, in time lift up solder horn 10, use and press cone 8 and press to the central zone of lead-out wire and terminal box terminal contact, make fused tin layer with lead-out wire and terminal box terminal parcel, the solidification, this frock operating method is simple, high efficiency, avoid the lead-out wire to kick-back on the terminal box terminal and lead to the rosin joint, the overlap joint area is little.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a frock is pressed in welding of solar PV modules terminal box, includes shell (1) and fixation nut (5), its characterized in that: the outside of shell (1) is provided with anti-skidding granule (2), and the top of shell (1) is fixed with connects (3), connecting wire (4) are installed to the top that connects (3), fixation nut (5) are installed in the below of shell (1), and the below of fixation nut (5) is provided with retainer plate (6), the left side of retainer plate (6) is fixed with connection piece (7), and the below of connection piece (7) is provided with presses cone (8), the below of retainer plate (6) is provided with welding pen (9), and the below of welding pen (9) is fixed with soldering iron (10).

2. The solar photovoltaic module junction box welding pressing tool according to claim 1, characterized in that: the fixing ring (6) forms a detachable structure through the fixing nut (5) and the shell (1), and the inner diameter of the fixing ring (6) is 19mm, and the thickness of the fixing ring is 1 mm.

3. The solar photovoltaic module junction box welding pressing tool according to claim 1, characterized in that: for welded connection between connection piece (7) and retainer plate (6), and constitute fixed knot structure between connection piece (7) the cooperation through retainer plate (6) and fixation nut (5) and shell (1) to the length 20mm of connection piece (7).

4. The solar photovoltaic module junction box welding pressing tool according to claim 1, characterized in that: the pressing cone (8) and the connecting sheet (7) are of an integrated structure, the length of the pressing cone (8) is 80-90mm, the diameter of the pressing cone (8) is 2-3mm, and an included angle between the pressing cone (8) and the connecting sheet (7) is 90 degrees.

5. The solar photovoltaic module junction box welding pressing tool according to claim 1, characterized in that: for through connection between welding pen (9) and retainer plate (6), and welding pen (9) pass through between fixation nut (5) and shell (1) and constitute detachable construction to the bottom surface of welding pen (9) perpendicular to shell (1).

6. The solar photovoltaic module junction box welding pressing tool according to claim 1, characterized in that: the soldering iron head (10) is in threaded connection with the soldering pen (9), the lowest ends of the soldering iron head (10) and the pressing cone (8) are horizontal, and the center point of the soldering iron head (10) is 30mm away from the center of the bottom end of the pressing cone (8).