CN208738007U

CN208738007U - Power transformer structure

Info

Publication number: CN208738007U
Application number: CN201821612375.3U
Authority: CN
Inventors: 付瑜; 郭庭; 杨锡旺
Original assignee: Changzhou Suo Wei Electronic Technology Co Ltd
Current assignee: Changzhou Shiwei Electronics Co ltd
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2019-04-12
Anticipated expiration: 2028-09-29

Abstract

A kind of power transformer structure, power transformer structure includes: the shape and the identical transformer plate of structure that multi-disc has central through hole, wherein, it is laminated after first group of transformer plate edge alignment, be laminated after the alignment of second group of transformer plate edge, by second group of transformer plate be put into first group of transformer plate mirror surface it is symmetrical after be laminated again with first group of transformer plate；Multi-disc has the insulation spacer of central through hole, a piece of insulation spacer is inserted between any two panels transformer plate, the through-hole of insulation spacer and the through-hole of transformer plate are corresponding, the edge of insulation spacer without departing from transformer plate edge so that transformer plate and insulation spacer form transformer plate structure；The identical magnetic core of a pair of of planform, a part of magnetic core shape is rendered as concave, it is a protrusion among recess, two magnetic cores are relatively clasped into transformer plate structure, the protrusion of magnetic core is just embedded in the through-hole of the transformer plate structure formed by transformer plate through-hole and insulation spacer through-hole.

Description

Power transformer structure

Technical field

The utility model belongs to power technique fields, in particular to a kind of power transformer structure.

Background technique

In the design of existing power supply, it is possible to need for transformer to be integrated on pcb board, to realize transformation, unsteady flow Or the functions such as pressure stabilizing.Since transformer is one of essential device, manufacturing process and cost are must in power supply design Need emphasis consider factor.

Existing power transformer structure uses the mode of enameled wire more, is wanted according to specific transformer function and type selecting It asks to produce coiling.The mode of this enameled wire, that there are manufactured parts is more, needs spooling equipment, increases human cost, production effect The problems such as rate is low.

Moreover, needing mostly after transformer production and PCB carrying out welding and completes the functions such as voltage, current transformation. Since enameled wire is that soft structure needs to increase the structures such as line nose, intermediate transit terminal when welding with PCB.This Kind welding manner, increases the production cost of entire transformer.

Utility model content

The utility model provides a kind of power transformer structure, it is therefore intended that solves existing transformer device structure and gives birth in assembling When production the problem of higher cost.

One of the embodiments of the present invention, a kind of power transformer structure, the power transformer structure include:

Multi-disc has the shape and the identical transformer plate of structure of central through hole, wherein first group of transformer plate edge pair Stacking after neat is laminated after second group of transformer plate edge alignment, second group of transformer plate is put into and first group of transformer plate mirror It is laminated again with first group of transformer plate after face is symmetrical；

Multi-disc has the insulation spacer of central through hole, is inserted into a piece of insulation spacer between any two panels transformer plate, absolutely The through-hole of edge gasket and the through-hole of transformer plate are corresponding, the edge of insulation spacer without departing from transformer plate edge so that becoming Depressor piece and insulation spacer form transformer plate structure；

The identical magnetic core of a pair of of planform, it is one among recess that a part of magnetic core shape, which is rendered as concave, Two magnetic cores are relatively clasped transformer plate structure by a protrusion, and the protrusion of magnetic core is just embedded in by transformer plate through-hole and absolutely In the through-hole for the transformer plate structure that edge shim through bore is formed.

The transformer plate has connection end, has multiple through-holes on connection end, so that after transformer plate stacking The connection end of the transformer plate structure of formation forms multiple screw holes, plus the same briquetting with screw hole on screw hole, uses Screw passes through the screw hole that briquetting connects end with transformer plate structure, is subsequently passed through the screw hole of pcb board, transformer plate structure is consolidated It is scheduled on pcb board, there is on corresponding position same screw hole on pcb board.

It is equipped with welding hole in the other end relative to connection end of the transformer plate, between welding hole and connection end It is the central through hole of transformer plate,

After transformer plate is laminated and to form transformer plate structure, transformer plate structure is also just provided with welding connecting hole, uses Copper post passes through the welding connecting hole, is welded with scolding tin.

The shape of the transformer plate is left and right asymmetric body, the right side of the right side likeness in form Ω of transformer plate, transformation The left side of device piece is similar to the left side of oblique shovel face.

The power transformer structure of the utility model compared with prior art, has the advantages that

1, composed part is mold members, and machine adds part and universal standard part, convenient for producing in enormous quantities, has production effect The advantages that rate is high, and precision is high, and versatility is good, at low cost.

2, it is designed due to simplifying structure, reduces number of parts, thus assembling flow path is simpler, used device, manpower Deng less, therefore, structure space service efficiency optimized, reduce the cost of transformer.

3, the structure design of the transformer plate of the utility model, due to being identical structure in primary and secondary side, During transformation implement body type selecting, only actual transformer need to be carried out according to actual function needs (mainly turn ratio number) The adjustment of piece quantity, therefore, flexible and flexibility is higher.

4, in transmission high-current circuit, since electric current is very big, reducing contact impedance becomes reduction calorific value emphasis The factor of consideration, using screw and the mutually matched structure design of briquetting, as far as possible reduction contact impedance in the utility model, To reduce product fever, product efficiency is improved.

5, the transformer plate in the utility model is that electric conductivity is very high, the extraordinary red copper material of flexibility, in basis Actual needs is after being superimposed multi-layer transformer piece (mainly turn ratio number), when transformer and pcb board assemble, since its is non- Normal softness therefore, there is no need to additional mold and carry out bending again.

Detailed description of the invention

The following detailed description is read with reference to the accompanying drawings, the utility model illustrative embodiments above-mentioned and other Objects, features and advantages will become prone to understand.In the accompanying drawings, it is practical new that this is shown by way of example rather than limitation Several embodiments of type, in which:

Fig. 1 is power transformer structural schematic diagram in the utility model embodiment.

Fig. 2 is power transformer structure assembling schematic diagram in the utility model embodiment.

Fig. 3 is the A-A the schematic diagram of the section structure of power transformer structure in the utility model embodiment.

Fig. 4 is the symmetrical assembling schematic diagram of transformer plate in the utility model embodiment.

Fig. 5 is that schematic diagram is laminated in transformer plate in the utility model embodiment.

Fig. 6 is insulation spacer assembling schematic diagram in the utility model embodiment.

Fig. 7 is transformer plate schematic diagram in the utility model embodiment.

Fig. 8 is briquetting schematic diagram in the utility model embodiment.

Wherein, 1 --- magnetic core, 2 --- transformer plate, 3 --- briquetting, 4 --- pcb board, 5 --- copper post, 6 --- insulation Gasket, 7 --- screw.

Specific embodiment

According to one or more embodiment, as depicted in figs. 1 and 2, a kind of power transformer structure includes magnetic core 1, is become Depressor piece 2, briquetting 3, pcb board 4, copper post 5, insulation spacer 6 resistant to high temperature, screw 7.Wherein,

In the shape and the identical transformer plate of structure that multi-disc has central through hole, there is first group of transformer plate edge pair Stacking after neat is laminated after having second group of transformer plate edge alignment, second group of transformer plate is put into and first group of transformer plate It is laminated again with first group of transformer plate after mirror surface is symmetrical.As shown in Figures 4 and 5.

Multi-disc has the insulation spacer of central through hole, is inserted into a piece of insulation spacer between any two panels transformer plate, absolutely The through-hole of edge gasket and the through-hole of transformer plate are corresponding, the edge of insulation spacer without departing from transformer plate edge so that becoming Depressor piece and insulation spacer form transformer plate structure.As shown in Figure 6.

According to one or more embodiment, the transformer plate has connection end, has on connection end multiple Through-hole adds on screw hole so that the connection end of the transformer plate structure formed after transformer plate stacking forms multiple screw holes The same briquetting with screw hole, is connected the screw hole of end with transformer plate structure across briquetting using screw, is subsequently passed through pcb board Screw hole, transformer plate structure is fixed on pcb board, on pcb board on corresponding position have same screw hole.Such as figure Shown in 2 and Fig. 8.

According to one or more embodiment, welding is equipped in the other end relative to connection end of the transformer plate Hole is the central through hole of transformer plate between welding hole and connection end.After transformer plate is laminated and to form transformer plate structure, Transformer plate structure is also just provided with welding connecting hole, passes through the welding connecting hole using copper post, is welded with scolding tin.As shown in Figure 2.

According to one or more embodiment, as shown in Figure 7.The shape of the transformer plate is left and right asymmetric body, is become The right side of the right side likeness in form Ω of depressor piece, the left side of transformer plate is similar to the left side of oblique shovel face.

According to one or more embodiment, it is illustrated in figure 4 the transformer plate of the utility model power transformer structure The structural schematic diagram of assembling and discrete state.According to the actual requirements of type selecting of transformer, as shown in Figure 4 by transformer plate staggeredly pair Claim to place, then further according to actual transformer turns ratio number, transformer plate superposition be placed final as shown in figure 5, then such as A piece of high-temperature insulation gasket is placed among every layer of transformer plate shown in fig. 5.Finally as shown in fig. 6, then starting with magnetic core Then copper post is required the Kong Zhongyong scolding tin welding for being put into the transformer plate after assembling to complete, then by assembling according to actual circuit Start to assemble with pcb board, screw and briquetting are fixed.Since this novel power supply transformer device structure is simple, transformer plate is adopted With red copper material, the very soft conductivity of material is very high, and therefore, reducing conduction impedance reduces calorific value, when connecting with pcb board There are briquetting and screw while fixation reduces contact impedance as far as possible and reduces calorific value, to the efficiency of pcb board and entire product It is promoted very good.

It is worth noting that being created although foregoing teachings describe the utility model by reference to several specific embodiments Spirit and principle, it should be appreciated that, it is not limited to the specific embodiments disclosed for the utility model, draws to various aspects Divide and does not also mean that the feature in these aspects cannot combine, it is this to divide the convenience merely to statement.The utility model purport Covering various modifications and equivalent arrangements included in spirit and scope of the appended claims.

Claims

1. a kind of power transformer structure, which is characterized in that the power transformer structure includes:

Multi-disc has the shape and the identical transformer plate of structure of central through hole, wherein after first group of transformer plate edge alignment Stacking is laminated after second group of transformer plate edge alignment, second group of transformer plate is put into and first group of transformer plate mirror surface pair It is laminated again with first group of transformer plate after title；

Multi-disc has the insulation spacer of central through hole, is inserted into a piece of insulation spacer, felt pad between any two panels transformer plate The through-hole of piece and the through-hole of transformer plate are corresponding, the edge of insulation spacer without departing from transformer plate edge so that transformer Piece and insulation spacer form transformer plate structure；

The identical magnetic core of a pair of of planform, it is one convex among recess that a part of magnetic core shape, which is rendered as concave, It rises, two magnetic cores is relatively clasped into transformer plate structure, the protrusion of magnetic core is just embedded in by transformer plate through-hole and felt pad In the through-hole for the transformer plate structure that piece through-hole is formed.

2. power transformer structure according to claim 1, which is characterized in that the transformer plate has connection end, There are multiple through-holes on connection end so that the connection end of transformer plate structure formed after transformer plate stacking formed it is more A screw hole passes through briquetting using screw and connects end with transformer plate structure plus the same briquetting with screw hole on screw hole Screw hole, be subsequently passed through the screw hole of pcb board, transformer plate structure be fixed on pcb board, in corresponding position on pcb board It is upper that there is same screw hole.

3. power transformer structure according to claim 1, which is characterized in that in the transformer plate relative to connection The other end of end is equipped with welding hole, is the central through hole of transformer plate between welding hole and connection end,

After transformer plate is laminated and to form transformer plate structure, transformer plate structure is also just provided with welding connecting hole, using copper post Across the welding connecting hole, welded with scolding tin.

4. power transformer structure according to claim 1, which is characterized in that the shape of the transformer plate is that left and right is non- Symmetric body, the right side of the right side likeness in form Ω of transformer plate, the left side of transformer plate is similar to the left side of oblique shovel face.