CN214544134U

CN214544134U - A multirow copper frame for rectifier bridge

Info

Publication number: CN214544134U
Application number: CN202120623521.8U
Authority: CN
Inventors: 杨生
Original assignee: Yangzhou Junpin Electronic Technology Co ltd
Current assignee: Yangzhou Junpin Electronic Technology Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-29
Anticipated expiration: 2031-03-26

Abstract

The scheme relates to a multi-row copper frame for a rectifier bridge, which comprises an upper sheet frame and a lower sheet frame; the upper sheet frame is turned over above the lower sheet frame to form a plurality of rectifier bridge structural units, wherein the upper sheet frame comprises two first main rods arranged in parallel and a plurality of first support rods fixedly connected between the first main rods; the lower sheet frame comprises two second main rods arranged in parallel and a plurality of second support rods fixedly connected to the second main rods; the plurality of rectifier bridge structural units comprise upper patches and lower patches. The utility model respectively and uniformly distributes the upper patch and the lower patch on one side of the supporting rod, and the design avoids the situation that the supporting rod is heavy in weight and easy to deform because the patches are connected on the left and the right of one supporting rod; the light in weight of branch in the present case arranges side by side during the welding, has increased the holistic stability of frame, and the muscle position can directly regard as the pin to under the intensity of guaranteeing frame construction, also saved the material.

Description

A multirow copper frame for rectifier bridge

Technical Field

The utility model relates to a rectifier bridge circuit board processing technology field specifically is a multirow copper frame for rectifier bridge.

Background

The diode is one of the most commonly used electronic components, and is usually fixed in a housing through a copper frame to form a rectifier bridge, and the rectifier bridge is used as a power component and applied to various power supply devices. Currently, diode racks have been developed from single row to multiple rows to save cost and improve production efficiency. However, how to reasonably distribute the matrix form and maximize the utilization rate of the material is still a difficult problem that enterprises need to continuously explore and solve. In fact, the existing matrix structure usually adopts a longitudinal cutting mode, and the material waste is high.

Disclosure of Invention

To the weak point among the prior art, the utility model provides a rectifier bridge constitutional unit is rationally distributed, very big limit save material's multirow copper frame.

In order to achieve the above object, the utility model provides a following technical scheme:

a multi-row copper frame for a rectifier bridge comprises an upper sheet frame and a lower sheet frame; the upper sheet frame is turned over above the lower sheet frame and forms a plurality of rectifier bridge structural units, wherein,

the upper piece framework comprises two first main rods arranged in parallel and a plurality of first support rods fixedly connected between the first main rods;

the lower sheet frame comprises two second main rods arranged in parallel and a plurality of second support rods fixedly connected to the second main rods;

the plurality of rectifier bridge structural units comprise upper patches extending out of one side of the first supporting rod and lower patches extending out of one side of the second supporting rod.

In the above scheme, the surfaces of the first main rod and the second main rod are respectively provided with a plurality of corresponding first positioning holes and second positioning holes.

In the above scheme, the surface of the second main rod is further provided with a buckle for preventing dislocation, and the first main rod is provided with a clamping groove corresponding to the buckle.

In the above scheme, the joints of the first support rods and the first main rod are provided with notches which are concave inwards.

In the above scheme, the upper patch is connected with the first supporting rod and the lower patch is connected with the second supporting rod through pins, and grooves are formed in the joints.

In the scheme, the upper patch and the lower patch are both composed of two groups of copper sheets, one group of copper sheets of the upper patch is provided with a first connecting part and a second connecting part, and the other group of copper sheets is provided with a first contact and a second contact; and a group of copper sheets of the lower patch is provided with a third contact and a third connecting part corresponding to the first connecting part and the first contact, and the other group of copper sheets is provided with a fourth contact and a fourth connecting part corresponding to the second connecting part and the second contact.

The utility model has the advantages that: the upper patch and the lower patch are respectively and uniformly distributed on one side of the supporting rod, and the design avoids the situation that the supporting rod is subjected to heavy weight and is easy to deform because the patches are connected on the left side and the right side of one supporting rod; the light in weight of branch in the present case arranges side by side during the welding, has increased the holistic stability of frame, and the muscle position can directly regard as the pin to under the intensity of guaranteeing frame construction, also saved the material.

Drawings

Fig. 1 is a schematic view of a multi-row copper frame structure for a rectifier bridge.

FIG. 2 is a schematic diagram of a multi-row copper frame for a rectifier bridge.

FIG. 3 is a schematic view of a lower sheet structure of a multi-row copper frame for a rectifier bridge.

Fig. 4 is an enlarged view of X in the multi-row copper frame of fig. 1.

Fig. 5 is an enlarged view of the upper patches in a multi-row copper frame for a rectifier bridge.

Fig. 6 is an enlarged view of the lower patch in a multi-row copper frame for a rectifier bridge.

In the figure: 10. a sheet-feeding frame; 20. a lower sheet frame; 30. a rectifier bridge structural unit; 11. a first main bar; 12. a first support bar; 13. scoring; 111. a first positioning hole; 112. a card slot; 21. a second main bar; 22. a second support bar; 211 a second positioning hole; 212. buckling; 31. pasting a patch; 32. lower surface mounting; 33. a pin; 34. a groove; 31a, a first connection portion; 31b, a second connecting portion; 31c, a first contact; 31d, a second contact; 32a, a third contact; 32b, a fourth contact; 32c, a third connecting part; 32d, a fourth connection portion.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

Referring to fig. 1-3, the present invention provides a multi-row copper frame for a rectifier bridge, comprising an upper sheet frame 10 and a lower sheet frame 20; the upper sheet frame 10 is flipped over the lower sheet frame 20 and forms a plurality of rectifier bridge structural units 30, wherein,

the upper piece frame 10 comprises two first main rods 11 arranged in parallel and a plurality of first support rods 12 fixedly connected between the first main rods 11;

the lower piece frame 20 comprises two second main rods 21 arranged in parallel and a plurality of second support rods 22 fixedly connected to the second main rods 21;

as shown in fig. 4, the plurality of rectifier bridge structural units 30 includes an upper patch 31 extending from a side of the first strut 12 and a lower patch 32 extending from a side of the second strut 22.

The surfaces of the first main rod 11 and the second main rod 21 are respectively provided with a plurality of corresponding first positioning holes 111 and second positioning holes 211.

The surface of the second main rod 21 is further provided with a buckle 212 for preventing dislocation, and the first main rod 11 is provided with a clamping groove 112 corresponding to the buckle 212.

The connection between the first support rods 12 and the first main rod 11 is provided with an inwardly concave nick 13, which is convenient for distinguishing the upper frame 10 and the lower frame 20, and reduces the stress when cutting off the support rods and the main rods.

As shown in fig. 5 and 6, the upper patch 31 and the first support rod 12 and the lower patch 32 and the second support rod 22 are connected through pins 33, and the joints are provided with grooves 34, which is beneficial to increasing the bonding force of the rectifier bridge structural unit during plastic encapsulation.

The upper patch 31 and the lower patch 32 are both composed of two groups of copper sheets, one group of copper sheets of the upper patch is provided with a first connecting part 31a and a second connecting part 31b, and the other group of copper sheets is provided with a first contact 31c and a second contact 31 d; a set of copper sheets of the lower chip 32 is provided with a third contact 32a and a third connection 32c corresponding to the first connection 31a and the first contact 31c, and another set of copper sheets is provided with a fourth contact 32b and a fourth connection 32d corresponding to the second connection 31b and the second contact 31 d.

The utility model discloses a theory of operation is: firstly, four groups of chips are respectively soldered on the first contact 31c and the second contact 31d of the upper chip 31 and the third contact 32a and the fourth contact 32b of the lower chip 32, then the upper chip frame 10 is covered on the lower chip frame 20 through the

positioning holes

111 and 211, and the positions of the upper chip frame 10 and the lower chip frame 20 are kept stable by the buckle 212 and the clamping groove 112, so that the whole frame is not easy to deviate during welding, and the welding defective rate is reduced. The distance between the four crystal grain chips is larger than 0.5mm, and the reliability and the stability of the product can be effectively improved.

When the frame is integrally welded, the first connecting part 31a, the second connecting part 31b, the third connecting part 32c and the fourth connecting part 32d are respectively matched with the third contact 32a, the fourth contact 32b, the first contact 31c and the second contact 31d so as to be assembled into a complete set of rectifier bridge structural unit 30, the rectifier bridge structural unit 30 can be intensively processed by one multi-row copper frame, and the production efficiency is high; meanwhile, the upper patch 31 and the lower patch 32 are respectively and uniformly distributed on one side of the first support rod 11 and one side of the second support rod 12, and the design is adopted to avoid that the support rods are high in weight due to the fact that the patches are connected on one support rod from left to right; first branch 11 and second branch 12's in the present case light in weight, arrange side by side during the welding, increased the holistic stability of frame, and the muscle position can directly be regarded as pin 33 to under the intensity of guaranteeing frame construction, saved the material.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields where the invention is suitable, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.

Claims

1. A multi-row copper frame for a rectifier bridge, comprising an upper sheet frame (10) and a lower sheet frame (20); the upper sheet frame (10) is turned over the lower sheet frame (20) and forms a plurality of rectifier bridge structural units (30), wherein,

the upper piece framework (10) comprises two first main rods (11) which are arranged in parallel and a plurality of first support rods (12) which are fixedly connected between the first main rods (11);

the lower piece frame (20) comprises two second main rods (21) which are arranged in parallel and a plurality of second support rods (22) which are fixedly connected to the second main rods (21);

the plurality of rectifier bridge structural units (30) comprise upper patches (31) extending out of one side of the first support rod (12) and lower patches (32) extending out of one side of the second support rod (22).

2. The multi-row copper frame for a rectifier bridge according to claim 1, wherein the surfaces of the first main bar (11) and the second main bar (21) are respectively provided with a plurality of corresponding first positioning holes (111) and second positioning holes (211).

3. The multi-row copper frame for rectifier bridges of claim 1, characterized in that the surface of the second main bar (21) is further provided with a buckle (212) for preventing dislocation, and the first main bar (11) is provided with a slot (112) corresponding to the buckle (212).

4. The multi-row copper frame for rectifier bridges of claim 1, characterized in that the junction of said first plurality of struts (12) with the first main bar (11) is provided with inwardly recessed indentations (13).

5. The multi-row copper frame for rectifier bridges of claim 1, characterized in that the upper patches (31) and the first struts (12) and the lower patches (32) and the second struts (22) are connected by pins (33), and the joints are provided with grooves (34).

6. The multi-row copper frame for rectifier bridges of claim 1, wherein the upper and lower patches (31, 32) are each composed of two sets of copper sheets, one set of the upper patches having the first and second connection portions (31a, 31b) provided thereon and the other set of the copper sheets having the first and second contacts (31c, 31d) provided thereon; and a group of copper sheets of the lower patch (32) is provided with a third contact (32a) and a third connecting part (32c) corresponding to the first connecting part (31a) and the first contact (31c), and the other group of copper sheets is provided with a fourth contact (32b) and a fourth connecting part (32d) corresponding to the second connecting part (31b) and the second contact (31 d).