CN210925715U

CN210925715U - Improved transformer framework for switching power supply module

Info

Publication number: CN210925715U
Application number: CN201922177831.7U
Authority: CN
Inventors: 孙三超; 杨秋国; 夏伟龙
Original assignee: Hangzhou Anrui Green Energy Technology Co ltd
Current assignee: Hangzhou Anrui Green Energy Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-03
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses an improved transformer skeleton for a switching power supply module, which comprises a plastic skeleton and a plurality of copper bars, wherein the plastic skeleton positions all the copper bars so that the plastic skeleton and the copper bars form a whole; the plastic skeleton comprises a positioning part, and a positioning groove for positioning the copper bar is arranged on the positioning part. The utility model discloses low, the poor scheduling problem of transformer stability can be improved to the skeleton manufacturing accuracy of current transformer copper bar. The utility model has the advantages of simple and convenient manufacture, small error, good operation stability and the like.

Description

Improved transformer framework for switching power supply module

Technical Field

The utility model relates to a transformer accessory especially involves the improved generation transformer skeleton that is used for switching power supply module.

Background

The copper bar is an accessory on the transformer, plays a role in connecting a power supply and a winding, and is one of necessary accessories of the transformer.

At present, the copper bar is generally manufactured in a pre-combination mode, a plurality of copper sheets and a plurality of frameworks are combined together through a jig or other modes such as bonding, then the subsequent primary winding step is carried out, and the copper sheets are subjected to insulation treatment in modes such as pre-sticking adhesive tapes. The existing manufacturing process is complex, the fixing precision is not high, the general error is +/-0.2 mm, the individual difference of the transformer is large, and the stability of the transformer product is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an improved generation transformer skeleton for switching power supply module to solve the technical problem that the skeleton manufacturing accuracy of the transformer copper bar among the prior art is low, transformer stability can be poor etc.

The utility model discloses a realize through following technical scheme: the utility model discloses an improved transformer skeleton for a switching power supply module, which comprises a plastic skeleton and a plurality of copper bars, wherein the plastic skeleton positions all the copper bars so that the plastic skeleton and the copper bars form a whole;

the plastic skeleton comprises a positioning part, and a positioning groove for positioning the copper bar is arranged on the positioning part.

Further, the integral type is provided with location portion on the plastic skeleton, location portion extends to the edge of copper bar, and be provided with the overlap joint portion of overlap joint on the copper bar in location portion, be provided with the fixed part that extends to copper bar center department in the overlap joint portion, fixed part and overlap joint portion cooperation location portion form the constant head tank.

The arrangement of the structure improves the connection performance of the plastic skeleton and the copper bar.

Furthermore, location portion and plastic skeleton formula structure as an organic whole, overlap joint portion, fixed part all with location portion formula structure as an organic whole.

The integrated structure can reduce the manufacturing cost of the plastic skeleton.

Furthermore, the plastic skeleton is provided with an installation groove for installing the plastic skeleton on a fixed object, and the cross section of the installation groove is rectangular.

The installation groove is formed to facilitate the assembly between the plastic skeleton and the object to be fixed.

Furthermore, a positioning lug is arranged on the mounting framework, the plastic framework and the positioning lug are of an integrated structure, and the positioning lug protrudes out of the plastic framework.

The positioning lug is arranged to optimize the fixing performance of the plastic skeleton.

Further, an electroplated layer is arranged on the copper bar, and the thickness of the electroplated layer is not less than 0.1 mm.

The setting of electroplated layer can make the performance of copper bar obtain optimizing.

Furthermore, the plastic skeleton is provided with lightening holes for lightening the weight of the skeleton.

The weight of the plastic skeleton can be lightened by the lightening holes, and meanwhile, the material consumption of the product can be reduced, and the production cost is reduced.

The utility model discloses an improved generation transformer skeleton for switching power supply module, compared with the prior art, this utility model adopts and moulds plastics the plastic skeleton through the injection molding machine on all copper bars and form a whole, then directly wire winding on this is whole, very big simplification the preparation flow of transformer, and the relative position precision of copper bar has then been improved in setting up of location portion and constant head tank, has reduced this utility model's manufacturing error, and then has improved the stability ability when transformer operation.

Drawings

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

reference numerals: 1. copper bars; 2. a plastic skeleton; 3. a positioning part; 4. positioning a groove; 5. a lap joint section; 6. a fixed part; 7. mounting grooves; 8. positioning the bump; 9. and (7) lightening holes.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

Example 1

Embodiment 1 discloses an improved transformer framework for a switching power supply module, and with reference to fig. 1, the transformer framework comprises a plastic framework 2 and a plurality of copper bars 1, wherein the plastic framework 2 positions all the copper bars 1 so that the plastic framework 2 and the copper bars 1 form a whole;

the plastic skeleton 2 comprises a positioning part 3, and a positioning groove 4 for positioning the copper bar 1 is arranged on the positioning part 3.

Copper bar 1's shape can stamping forming, and copper bar 1 can be electroplated in order to form the plating layer to copper bar 1 after the shaping, and the thickness of plating layer is not less than 0.1mm, can rationally select as required.

Integral type is provided with location portion 3 on plastic skeleton 2, and location portion 3 extends to the edge of copper bar 1 to, be provided with overlap joint portion 5 of overlap joint on copper bar 1 on location portion 3, be provided with the fixed part 6 that extends to 1 center department of copper bar on overlap joint portion 5, fixed

part

6 and 5 cooperation location portions 3 of overlap joint portion form constant head tank 4.

The plastic skeleton 2 is connected with the copper bar 1 in a tightly holding mode, so that the connection strength between the copper bar 1 and the plastic skeleton 2 is improved, and the stability of the transformer during operation is further improved.

The positioning part 3 and the plastic skeleton 2 are of an integral structure, and the lap joint part 5 and the fixing part 6 are of an integral structure with the positioning part 3.

The plastic skeleton 2 is provided with an installation groove 7 for installing the plastic skeleton 2 on a fixed object, and the cross section of the installation groove 7 is rectangular.

The mounting framework is provided with a positioning lug 8, the plastic framework 2 and the positioning lug 8 are of an integrated structure, and the positioning lug 8 protrudes out of the plastic framework 2.

The plastic skeleton 2 is provided with lightening holes 9 for lightening the weight of the skeleton. The number and shape of the lightening holes 9 are not limited and can be freely selected. In order to make the plastic skeleton 2 evenly stressed, the lightening holes 9 can be evenly distributed on the plastic skeleton 2.

Claims

1. The improved transformer framework for the switching power supply module is characterized by comprising a plastic framework (2) and a plurality of copper bars (1), wherein the plastic framework (2) positions all the copper bars (1) so that the plastic framework (2) and the copper bars (1) form a whole;

the plastic skeleton (2) comprises a positioning part (3), and a positioning groove (4) for positioning the copper bar (1) is formed in the positioning part (3).

2. The improved transformer framework for the switching power supply module as claimed in claim 1, wherein a positioning portion (3) is integrally provided on the plastic framework (2), the positioning portion (3) extends to the edge of the copper bar (1), a lapping portion (5) lapping on the copper bar (1) is provided on the positioning portion (3), a fixing portion (6) extending to the center of the copper bar (1) is provided on the lapping portion (5), and the fixing portion (6) and the lapping portion (5) cooperate with the positioning portion (3) to form a positioning groove (4).

3. The improved transformer bobbin for the switching power supply module as claimed in claim 2, wherein the positioning portion (3) and the plastic bobbin (2) are of an integral structure, and the overlapping portion (5) and the fixing portion (6) are of an integral structure with the positioning portion (3).

4. The improved transformer bobbin for the switching power supply module according to claim 1, wherein an installation groove (7) for installing the plastic bobbin (2) on a fixed object is arranged on the plastic bobbin (2), and the cross section of the installation groove (7) is rectangular.

5. The improved transformer bobbin for the switching power supply module as claimed in claim 1, wherein a positioning bump (8) is disposed on the plastic bobbin, the plastic bobbin (2) and the positioning bump (8) are an integral structure, and the positioning bump (8) protrudes out of the plastic bobbin (2).

6. The improved transformer bobbin for switching power supply module as claimed in claim 1, wherein a plated layer is provided on the copper bar (1), and the thickness of the plated layer is not less than 0.1 mm.

7. The improved transformer bobbin for switching power supply module as claimed in claim 1, characterized in that a lightening hole (9) for lightening the weight of the plastic bobbin (2) is provided on the plastic bobbin (2).