Square bridge array type frame structure

Abstract

The utility model belongs to the technical field of rectifier bridges, and provides a square bridge array type frame structure which comprises copper bars, separation holes and rectifier bridge structures, separation hole arrays are arranged on the copper bars, the rectifier bridge structures are arranged in the separation holes, and the rectifier bridge structures and the separation holes are connected through connecting ribs. The rectifier bridge structure comprises copper sheets, pins, semiconductor chips and connecting jumpers, gaps are formed among the copper sheets, the pins are arranged at four corners of the copper sheets, the semiconductor chips are arranged on the copper sheets and staggered with the pins, one end of each connecting jumper is arranged on the corresponding semiconductor chip, and the other end of each connecting jumper is connected to the other copper sheet. According to the utility model, the rectifier bridge structure and the separation hole are connected only through the connecting rib, and when the rectifier bridge structure and the copper bar are separated, the connecting rib is directly cut, so that the rectifier bridge structure can be separated, and the processing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rectifier bridge technical field, concretely relates to a square bridge array frame structure. BACKGROUND

[0002] Rectifier bridge is usually connected by two or four rectifier silicon chips, two half-bridge, four full-bridge. Outside the insulation plastic package is made of zinc metal shell package, enhance the heat dissipation performance.

[0003] Rectifier bridge variety, have flat, round, square stool shape (divided into straight insertion and patch) etc., in the preparation of rectifier square bridge, mainly on the upper frame place the welding frame of adaptation, put the pin piece in the welding frame, place the welding piece, rectifier chip and glue piece on the upper frame layer by layer, two frame are combined, the mold frame after combining is welded, pouring etc. Step, namely the rectifier square bridge.

[0004] Square bridge in the processing, one of the ways needs to put the 4 metal plates (shape is different) that constitute the lead frame in the installation groove of position corresponding on the welding plate, and in order to improve the processing efficiency, a welding plate simultaneously processes multiple lead frames, therefore, a plurality of installation grooves are arranged on the welding plate. When processing, 4 metal plates are placed in the installation groove corresponding to the position one by one, which is difficult and low in efficiency. Another way is to cut 4 metal plates on the sheet, but it is very difficult to separate the metal plates from the sheet. UTILITY MODEL CONTENTS

[0005] In view of the defects in the prior art, the utility model provides a square bridge array frame structure to solve the problems that the current rectifier square bridge is difficult to process and the metal plate is difficult to separate from the sheet.

[0006] The utility model provides a square bridge array frame structure, which comprises:

[0007] A copper bar;

[0008] A partition hole is arranged on the copper bar in an array;

[0009] A rectifier bridge structure is arranged in the partition hole, and the rectifier bridge structure and the partition hole are connected by a connecting rib.

[0010] Copper sheets are arranged between the partition holes.

[0011] Pins are arranged on the four corners of the copper sheets.

[0012] Semiconductor chips are arranged on the copper sheets and are arranged alternately with the pins.

[0013] The connecting jumper has one end arranged on the semiconductor chip and the other end connected to another copper sheet.

[0014] According to the technical scheme, the square bridge array type frame structure is connected between the rectifier bridge structure and the separation hole only through the connecting rib, when separating the rectifier bridge structure and the copper bar, the connecting rib is directly cut, the rectifier bridge structure is separated, and the processing efficiency is improved.

[0015] Optionally, the two ends of the connecting rib are connected to the four corners of the rectifier bridge structure and the separation hole.

[0016] Optionally, one end of the connecting jumper is circular and arranged at the center position of the semiconductor chip.

[0017] Optionally, the distance between the outer edge of the copper sheet and the outer edge of another non-adjacent copper sheet is equal.

[0018] Optionally, the separation hole is square.

[0019] Optionally, a center through hole is formed between the copper sheets, and the center through hole and the separation hole are communicated through the gap.

[0020] Optionally, the pin is sheet-shaped or linear.

[0021] According to the technical scheme, the square bridge array type frame structure has the following technical effects:

[0022] The square bridge array type frame structure is connected between the rectifier bridge structure and the separation hole only through the connecting rib, when separating the rectifier bridge structure and the copper bar, the connecting rib is directly cut, the rectifier bridge structure is separated, and the processing efficiency is improved.

[0023] In the utility model, the connecting rib is arranged at the four corners of the rectifier bridge structure and the separation hole, and the rectifier bridge structure is conveniently cut out from the separation hole. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description. In all the drawings, similar elements or parts are generally indicated by similar reference signs. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0025] Figure 1The utility model provides a schematic view of square bridge array type frame structure provided by the embodiment of the utility model;

[0026] Figure 2 For Figure 1 The enlarged view of A part shown in the figure;

[0027] Figure 3 The utility model provides a schematic view of rectifier bridge structure provided by the embodiment of the utility model;

[0028] Figure 4 The utility model provides a schematic view of rectifier bridge structure provided by the embodiment of the utility model;

[0029] Figure 5 The utility model provides a schematic view of rectifier bridge structure provided by the embodiment of the utility model.

[0030] Reference signs:

[0031] 1-copper bar;11-separation hole;2-rectifier bridge structure;21-copper sheet;211-gap;22-pin;23-semiconductor chip;24-connection jumper wire;3-connection rib;4-center through hole. Specific implementation

[0032] The utility model technical scheme's embodiment will be described in detail below in conjunction with the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, therefore only as an example, and can not be used to limit the protection scope of the utility model.

[0033] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be the usual meaning understood by the skilled in the art to which the utility model belongs.

[0034] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it can not be understood as a limitation on the utility model.

[0035] In the present application, unless specifically defined and limited otherwise, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "over", "above" and "on top of" the second feature can mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. The first feature "under", "below" and "underneath" the second feature can mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0036] In one embodiment, as shown in Figures 1-3 , a square bridge array frame structure is provided, including a copper bar 1, a partition hole 11 and a rectifier bridge structure 2, the partition hole 11 is arranged on the copper bar 1 in an array, the rectifier bridge structure 2 is arranged in the partition hole 11, and the rectifier bridge structure 2 and the partition hole 11 are connected through a connecting rib 3. The rectifier bridge structure 2 comprises:

[0037] A copper sheet 21, and a gap 211 is formed between the copper sheets 21;

[0038] A pin 22 is arranged on the four corners of the copper sheet 21;

[0039] A semiconductor chip 23 is arranged on the copper sheet 21 and staggered with the pin 22;

[0040] A connecting jumper 24 is arranged on one end of the semiconductor chip 23 and connected to another copper sheet 21 on the other end.

[0041] The rectifier bridge structure 2 and the partition hole 11 are only connected through the connecting rib 3. When the rectifier bridge structure 2 and the copper bar 1 are separated, the connecting rib 3 is directly cut, and the rectifier bridge structure 2 can be separated, improving the processing efficiency.

[0042] As shown in Figures 1-2 , both ends of the connecting rib 3 are connected to the four corners of the rectifier bridge structure 2 and the partition hole 11. The connecting rib 3 is arranged at the four corners of the rectifier bridge structure 2 and the partition hole 11, which facilitates the cutting of the rectifier bridge structure 2 from the partition hole 11.

[0043] As shown in Figure 3 , one end of the connecting jumper 24 is circular and arranged at the center position of the semiconductor chip 23. The semiconductor chip 23 is square, and one end of the connecting jumper 24 is arranged at the center position of the semiconductor chip 23 and is circular, which ensures the connection effect of the connecting jumper 24 and the semiconductor chip 23.

[0044] In one embodiment, the distance between the outer edge of the copper sheet 21 and the outer edge of another non-adjacent copper sheet 21 is equal, and the partition hole is square.

[0045] As Figure 3 shown, the center through hole 4 is formed between the copper sheets 21, and the center through hole 4 and the partition hole 11 are communicated through the gap 211.

[0046] In one embodiment, the pin 22 is sheet-shaped, and the rectifier bridge structure 2 is packaged as shown in Figure 4 In another embodiment, the pin 22 is wire-shaped, and the rectifier bridge structure 2 is packaged as shown in Figure 5 .

[0047] In the specification of the utility model, a large number of specific details are explained. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of the specification.

[0048] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model, and they should be covered in the scope of the claims and the specification of the utility model.

Claims

1. A square bridge array frame structure, characterized by, Comprise; Copper bars; Separation holes, arranged on the copper bars in an array; Rectifier bridge structures, arranged in the separation holes, connected between the rectifier bridge structures and the separation holes through connecting ribs, the rectifier bridge structures comprising: Copper sheets, gaps formed between the copper sheets; Pins, arranged on four corners of the copper sheets; Semiconductor chips, arranged on the copper sheets and staggered with the pins; Connecting jumpers, one end arranged on the semiconductor chips and the other end connected to another copper sheet.

2. The array of square bridge frame structures of claim 1, wherein, Two ends of the connecting ribs are connected to four corners of the rectifier bridge structures and the separation holes.

3. The array of gull-wing frame structures of claim 2, wherein, One end of the connecting jumper is circular and arranged at a center of the semiconductor chip.

4. The array of gull-wing frames of claim 2, wherein, Distances between outer edges of the copper sheets and outer edges of another non-adjacent copper sheet are equal.

5. The array of frame structures according to claim 4, wherein The separation holes are square.

6. The array of square bridge frame structures of claim 1, wherein, Central through holes are formed between the copper sheets, the central through holes and the separation holes are communicated through the gaps.

7. The array of gable bridge frame structures of claim 1, wherein, The pins are sheet-shaped or linear.

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