Diode module less susceptible to deformation during soldering

Abstract

A diode module not easy to deform in welding, comprising a diode, a first metal support and a second metal support arranged on both sides of the diode, and pins symmetrically arranged on both ends of the diode, wherein the pins are L-shaped, and each pin comprises a connecting segment and a welding segment; the connecting segment is arranged along the axial direction of the diode and fixed at the end thereof to a chip in the diode; and the welding segment is arranged along the radial direction of the diode; the first metal support and the second metal support are respectively arched to one side of the welding segment to form a first boss and a second boss; and the welding segment is welded and fixed to the first boss and the second boss respectively. The diode module is welded to the two pins of the diode through the first boss and the second boss arranged on the first metal support and the second metal support respectively, and the deformation caused by welding occurs in the first boss and the second boss, thereby avoiding deformation of other parts of the first metal support and the second metal support, and the structure is stable after welding, facilitating assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a conveying device, especially a diode module not easy to weld deformation. BACKGROUND

[0002] The photovoltaic junction box is the connecting device between the solar cell array formed by the solar cell module and the solar charging control device, and its main function is to connect and protect the solar photovoltaic module, connect the power generated by the solar cell with the external line, and conduct the current generated by the photovoltaic module. The diode module is an important part of the photovoltaic junction box, and its function is to rectify the current generated by the battery panel, and then output externally. The diode module mainly includes diodes and metal supports in structure, and the two pins of the diode are respectively welded and fixed with the two metal supports. In the existing structure, the pins of the diode and the metal supports are mostly welded in a plane, and the high temperature during welding can easily cause the metal supports to deform, thereby affecting the subsequent assembly with the junction box. SUMMARY

[0003] In view of the deficiencies in the above problems, the utility model provides a diode module not easy to weld deformation.

[0004] To achieve the above purpose, the utility model provides a diode module not easy to weld deformation, including diode, first metal support and second metal support arranged on both sides of the diode, the diode left and right ends are symmetrically provided with pins, the pin is L-shaped, the pin includes a connecting section, a welding section of integral structure, the connecting section is arranged along the axial direction of the diode and the end is fixed with the chip in the diode, the welding section is arranged along the radial direction of the diode, the first metal support and the second metal support are respectively arched to the side of the welding section to form the first boss and the second boss, and the welding section is respectively welded and fixed with the first boss and the second boss.

[0005] As a further improvement of the utility model, the first boss and the first metal support connection form a first transition section, and the second boss and the second metal support connection form a second transition section.

[0006] As a further improvement of the utility model, the first metal support and the second metal support are symmetrically processed with a first bus groove and a second bus groove, and the first bus groove and the second bus groove are arranged between the two pins.

[0007] As a further improvement of the utility model, the first metal support and the second metal support are respectively bent to the side of the pin to form a first flanging and a second flanging at the edge.

[0008] As a further improvement of the utility model, the second metal support is provided with a wire holder at one end away from the diode, the wire holder is arranged along the length direction of the first metal support and has a U-shaped cross section, and the wire holder is used for welding and fixing with an external cable.

[0009] As a further improvement of the utility model, the first metal support is provided with a heat dissipation hole.

[0010] As a further improvement of the utility model, the first metal support and the second metal support are symmetrically provided with a first positioning hole and a second positioning hole for connecting and positioning with a junction box, and the first positioning hole and the second positioning hole are each provided with two and arranged along the diagonal lines of the first metal support and the second metal support respectively.

[0011] The utility model has the advantages of:

[0012] The diode module is welded with the two pins of the diode through the first boss and the second boss arranged on the first metal support and the second metal support, compared with the planar welding mode in the prior art, the deformation caused by welding occurs in the first boss and the second boss by using the blocking effect of the first transition section and the second transition section, the other parts of the first metal support and the second metal support are prevented from deforming, the structure is stable after welding, and assembly is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view of the diode module not prone to welding deformation of the utility model;

[0014] Figure 2 It is a sectional view of A-A in Figure 1

[0015] Figure 3 It is a structural schematic view of the second metal support 3;

[0016] Figure 4 It is a sectional view of the wire holder 33;

[0017] Figure 5 It is a structural schematic view of the first metal support 1.

[0018] In the drawing: 1, first metal support; 11, first positioning hole; 12, first flange; 13, heat dissipation hole; 14, first boss; 141, first transition section; 15, first bus groove; 2, diode; 21, pin; 211, connecting section; 212, welding section; 3, second metal support; 31, second positioning hole; 32, second flange; 33, wire holder; 34, second boss; 341, second transition section; 35, second bus groove. DETAILED DESCRIPTION ​

[0019] As Figure 1 shown, the diode module not easy to weld deformation, including diode 2, first metal support 1 and second metal support 3 arranged on both sides of diode 2, diode 2 left and right two ends symmetrically provided with pin 21, pin 21 is L-shaped, pin 21 includes a connecting section 211 of integral structure, welding section 212, connecting section 211 along the axial direction of diode 2 and the end part is fixed with the chip in diode 2, welding section 212 is arranged along the radial direction of diode 2, first metal support 1 and second metal support 3 are respectively arched to the side of welding section 212 to form first boss 14 and second boss 34, welding section 212 is respectively welded and fixed with first boss 14 and second boss 34, first boss 14 and first metal support 1 connecting part forms first transition section 141, second boss 34 and second metal support 3 connecting part forms second transition section 341 (see Figure 2 ), first metal support 1 and second metal support 3 are symmetrically processed with first runner 15 and second runner 35, first runner 15 and second runner 35 are arranged between two pins 21, first metal support 1 and second metal support 3 edge are respectively bent to the side of pin 21 to form first flanging 12 and second flanging 32, the setting of first flanging 12 and second flanging 32 not only makes the overall strength of first metal support 1 and second metal support 3 higher, but also increases the area of first metal support 1 and second metal support 3, and the heat dissipation performance is better, the end of second metal support 3 away from diode 2 is provided with wire holder 33, wire holder 33 is arranged along the length direction of first metal support 1 and the cross section is U-shaped (see Figure 4 ), wire holder 33 is used for welding and fixing with external cable, first metal support 1 is processed with heat dissipation hole 13, heat dissipation hole 13 is arranged outside pin 21, first metal support 1 and second metal support 3 are symmetrically processed with first positioning hole 11 and second positioning hole 31 for connecting and positioning with junction box, first positioning hole 11 and second positioning hole 31 are both provided with two and are respectively arranged along the diagonal line of first metal support 1 and second metal support 3.

[0020] The diode module is welded with first boss and second boss on first metal support and second metal support respectively and two pins of diode, compared with the plane welding method in the prior art, the deformation caused by welding occurs in first boss and second boss by using the blocking effect of first transition section and second transition section, avoiding the deformation of other parts of first metal support and second metal support, the structure is stable after welding, and assembly is facilitated.

[0021] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A diode module which is not easily deformed by soldering, characterized by: The application relates to a diode (2), a first metal support (1) and a second metal support (3) arranged on the two sides of the diode (2), the diode (2) being symmetrically provided with pins (21) on the left and right ends, the pins (21) being L-shaped, the pins (21) comprising a connecting section (211) and a welding section (212) in an integrated structure, the connecting section (211) being arranged along the axial direction of the diode (2) and fixed at the end of the chip in the diode (2), the welding section (212) being arranged along the radial direction of the diode (2), the first metal support (1) and the second metal support (3) being respectively arched towards the side of the welding section (212) to form a first boss (14) and a second boss (34), and the welding section (212) being welded and fixed with the first boss (14) and the second boss (34) respectively.

2. The non-welding deforming diode module according to claim 1, wherein: The first boss (14) and the first metal support (1) are connected to form a first transition section (141), and the second boss (34) and the second metal support (3) are connected to form a second transition section (341).

3. The non-welding deforming diode module according to claim 1, wherein: The first metal support (1) and the second metal support (3) are symmetrically provided with a first converging groove (15) and a second converging groove (35), and the first converging groove (15) and the second converging groove (35) are arranged between the two pins (21).

4. The non-welding deforming diode module according to claim 1, wherein: The first metal support (1) and the second metal support (3) are respectively bent towards the side of the pin (21) at the edge to form a first flange (12) and a second flange (32).

5. The non-welding deforming diode module according to claim 1, wherein: The second metal support (3) is provided with a wire holder (33) away from the diode (2), the wire holder (33) is arranged along the length direction of the first metal support (1) and has a U-shaped cross section, and the wire holder (33) is used for being welded and fixed with an external cable.

6. The non-welding deforming diode module according to claim 1, wherein: The first metal support (1) is provided with a heat dissipation hole (13), and the heat dissipation hole (13) is arranged outside the pin (21).

7. The non-welding deforming diode module according to claim 1, wherein: The first metal support (1) and the second metal support (3) are symmetrically provided with a first positioning hole (11) and a second positioning hole (31) for being connected and positioned with a junction box, and the first positioning hole (11) and the second positioning hole (31) are both provided with two and arranged along the diagonal lines of the first metal support (1) and the second metal support (3) respectively.

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