CN207752869U - A kind of magnetic integrated transformer - Google Patents

Abstract

The utility model is related to a kind of magnetic integrated transformers, with 0.13t*PET*1P insulating tapes folding is solid inductor skeleton is constituted at a rectangle cylinder, with TEX ELZ LITZ 7/0.2*1P three layer insulation wires, single line row encloses around 26 on inductor skeleton, divide first layer around 14 circles, the second layer is around 12 circles, outer insulating tape of double-baging constitutes inductor winding, two panels E-type magnetic core center pillar is inserted into the transformer framework mesoporous of transformer winding, the side leg of two panels E-type magnetic core has 0.8mm air gaps, air-gap-free side leg is inserted into the inductor framework mesoporous of inductor winding, inductor winding rises, tail end solderless wrapped connection and is welded on two blank pipe feet of transformer framework respectively, there is one layer of insulated paint on the outside of entirety, constitute magnetic integrated transformer.Advantageous effect is that simple in structure, small, light weight and cost is low, reduces the loss of magnetic cell, can effectively control leakage inductance, inductance, particular product performance parameters consistency is high, meets the quality requirements of market small size converter.

Description

A kind of magnetic integrated transformer

Technical field

The utility model is related to a kind of transformer, more particularly to a kind of magnetic integrated transformer.

Background technology

With the development of modern power electronics technology, modern power transformation tends to minimize, and high efficiency is multi-functional, Gao Ke By property and low cost development, Switching Power Supply is towards high frequency, integrated and modular development.The popularization applied with magnetic cell And the continuous improvement of magnetic cell production automation degree, the integrated technology of magnetic cell are increasingly widely used.Therefore, in order to The product that high efficiency, high power density and small size are realized in the modular power source of low-voltage, high-current is exported in power inverter, Using integrated magnetic, discrete magnetic element concentration is wound on a secondary magnetic core, is integrated from structure to reduce magnetic The loss of element, volume weight improve filter effect, significant to the power density for improving power supply.

Invention content

In view of the problems existing in the prior art and market demands, the utility model provide a kind of magnetic integrated transformer, will Transformer and inductor are wound on same secondary magnetic core, are obtained inductance-equivalent circuit of transformer of magnetic cell, are convenient for circuit Direct comparison, analytical analysis etc., and open air gap in EE magnetic cores side leg and ensure that properties of product stability greatly improves, specific skill Art scheme is a kind of magnetic integrated transformer, including transformer winding, E-type magnetic core, it is characterised in that：It is exhausted with 0.13t*PET*1P Marginal zone folding is fixed into a rectangle cylinder and constitutes inductor skeleton, with TEX-ELZ LITZ 7/0.2*1P three layer insulation wires in inductance Single line row is divided into two layers around 26 circles on device skeleton, and first layer is around 14 circles, and around 12 circles, insulating tape of double-baging outside is constituted the second layer Inductor winding, two panels E-type magnetic core center pillar are inserted into the transformer framework mesoporous of transformer winding, the side of two panels E-type magnetic core Leg has 0.8mm air gaps, air-gap-free side leg to be inserted into the inductor framework mesoporous of inductor winding, and inductor winding plays head end Solderless wrapped connection is simultaneously welded on a blank pipe foot of transformer framework, the solderless wrapped connection of tail head end and another blank pipe for being welded on transformer framework On foot, there is one layer of insulated paint on the outside of entirety, constitutes magnetic integrated transformer.

Description of the drawings

Fig. 1 is the structure sectional view of the utility model；

Fig. 2 is the overall structure diagram of the utility model.

Specific implementation mode

As shown in Figure 1, 2, a kind of magnetic integrated transformer, including transformer winding 4, E-type magnetic core 2, with thick 0.13mm*PET* 1P insulating tapes folding is fixed into a rectangle cylinder and constitutes inductor skeleton 3, is existed with TEX-ELZ LITZ 7/0.2*1P three layer insulation wires Single line row is divided into two layers around 26 circles on inductor skeleton 3, and first layer is around 14 circles, and the second layer is around 12 circles, insulating tape of double-baging outside Constitute inductor winding 5, enclosed by φ 0.1/16*1P polyurethane enamelled wire single lines coiling 130 on bone transformer yoke 1, totally four layers it is outer 2 layers of insulating tape are wrapped, armature winding 7 is constituted, is risen and is looped around on the 11st pin of bone transformer yoke 3 and is welded to connect around leading-out terminal, Terminate leading-out terminal to be looped around on the 9th pin and be welded to connect, outside armature winding 7, by φ 0.25*1P polyurethane enamelled wire single lines Row placed in the middle is around 38 circles, and totally one layer, insulating tape of double-baging outside constitutes screen winding 8, rises and is looped around bone transformer yoke around leading-out terminal It on 3 the 8th pin and is welded to connect, end terminates in packet online, outside screen winding 8, by tri- layers of TEX-E Φ 0.4*1P For insulated single wire row placed in the middle around totally one layer of 13 circle, 2 layers of insulating tape of outsourcing constitute secondary windings 9, rise and are looped around bone change around leading-out terminal On 2nd pin of depressor frame 3 and be welded to connect, terminate leading-out terminal be looped around on the 1st pin and be welded to connect, constitute transformer around Group 4；2 center pillar of two panels ferrite E-type magnetic core magnetic core is inserted into 1 mesoporous of transformer framework of transformer winding 4, two panels E-type magnetic The sides the air-gap-free 2-4 leg of core 2 is inserted into 3 mesoporous of inductor skeleton of inductor winding 5, inductor winding 5 rise head end around It connects and is welded on a blank pipe foot of transformer framework 1, the solderless wrapped connection of tail head end and be welded on another blank pipe foot, two panels E types The other side leg of magnetic core 2 has 0.8mm air gap 2-4, there is one layer of insulated paint on the outside of entirety, constitutes magnetic integrated transformer.

The magnetic integrated transformer being completed is subjected to a series of performance tests, including the number of turns, inductance, leakage inductance, direct current Resistance, pressure-resistant index, qualified product enter dipping lacquer and drying and are rechecked to product after dry, coding lettering after qualification.

Claims (1)

1. a kind of magnetic integrated transformer, including transformer winding（4）, E-type magnetic core（2）, it is characterised in that：Use 0.13t*PET*1P Insulating tape folding is fixed into a rectangle cylinder and constitutes inductor skeleton（3）, existed with TEX-ELZ LITZ 7/0.2*1P three layer insulation wires Inductor skeleton（3）Upper single line row is divided into two layers around 26 circles, and first layer is around 14 circles, and the second layer is around 12 circles, insulation of double-baging outside Adhesive tape constitutes inductor winding（5）, two panels E-type magnetic core（2）Center pillar is inserted into transformer winding（4）Transformer framework（1）Mesoporous In, two panels E-type magnetic core（2）Side leg have 0.8mm air gaps（2-4）, air-gap-free（2-4）Side leg is inserted into inductor winding（5） Inductor skeleton（3）In mesoporous, inductor winding（5）Rise and head end solderless wrapped connection and be welded on transformer framework（1）A sky On pin, the solderless wrapped connection of tail head end and it is welded on transformer framework（1）Another blank pipe foot on, have one layer of insulation on the outside of entirety Paint constitutes magnetic integrated transformer.