CN206432122U - A kind of great-power electronic transformer of new structure - Google Patents

Abstract

This application discloses a kind of great-power electronic transformer of new structure, it includes：Skeleton, skeleton center has baffle plate；Skeleton is wound in respectively and positioned at the armature winding and secondary windings of baffle plate both sides；It is arranged at the bottom plate under secondary windings；Wherein the primary pins of armature winding insert bottom plate, the secondary pins insertion bottom plate of secondary windings；The shell of armature winding is coated, shell has the outlet by primary pins；And wear skeleton and be held on the magnetic core at skeleton two ends.The utility model isolates primary and secondary winding using skeleton, it is ensured that insulating capacity；Secondary windings is superimposed using copper sheet coil simultaneously, it is to avoid Kelvin effect, while reducing cost.

Description

A kind of great-power electronic transformer of new structure

Technical field

The application belongs to field transformer, specifically, is related to a kind of great-power electronic transformer of new structure.

Background technology

At present applied on the large-scale power-supply device such as new-energy automobile and charging pile great-power electronic transformer (1KW with On) due to existing technology restriction, cost is controlled while leading to not power to do big, that is to say, that 5KW transformation Device is more taller than 5 1KW transformer totle drilling cost, therefore is an obstruction to the development of high-power transformer.Current design Three layer insulation wire (in order to ensure insulating capacity) is typically mainly used in high-pressure side, but three layer insulation wire price is high.Low pressure (high current end) is held to use flat enamel-covered wire, but flat enamel-covered wire is limited to flakiness ratio (the ratio between width and thickness), it is impossible to do Into not only wide but also thin line, and this flakiness ratio too big line also can not coiling, in technique difficulty greatly, unfavorable extensive life Production.And due to the Kelvin effect under high-frequency (more than 100KHz) so that the conductive capability of flat enamel-covered wire can not be complete Use entirely, wasted copper material and space, also therefore influence radiating effect.

Utility model content

In view of this, technical problems to be solved in this application there is provided a kind of great-power electronic transformation of new structure Device, by setting, unique skeleton structure and cooperation copper sheet coil take into account insulating capacity and reduce cost.

In order to solve the above-mentioned technical problem, this application discloses a kind of great-power electronic transformer of new structure, it is wrapped Include：Skeleton, skeleton center has baffle plate；Skeleton is wound in respectively and positioned at the armature winding and secondary windings of baffle plate both sides；If The bottom plate being placed under secondary windings；Wherein the primary pins of armature winding insert bottom plate, the secondary pins insertion bottom of secondary windings Plate；The shell of armature winding is coated, shell has the outlet by primary pins；And wear skeleton and be held on skeleton two The magnetic core at end.

According to an embodiment of the present utility model, it is formed by stacking wherein above-mentioned secondary windings is multiple copper sheet coils, and High-temperature insulation piece is set between multiple copper sheet coils.

According to an embodiment of the present utility model, wherein above-mentioned secondary pins are made up of copper post, and copper post passes through secondary Winding inserts bottom plate.

According to an embodiment of the present utility model, wherein above-mentioned primary pins wear Teflon sleeve pipe.

Compared with prior art, the application can be obtained including following technique effect：

1) primary and secondary winding is isolated using skeleton, it is ensured that insulating capacity.

2) it is superimposed using copper sheet coil, it is to avoid Kelvin effect, while reducing cost.

Certainly, implementing any product of the application must be not necessarily required to while reaching all the above technique effect.

Brief description of the drawings

Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.In the accompanying drawings：

Fig. 1 is the great-power electronic transformer schematic diagram of the new structure of the embodiment of the utility model one；

Fig. 2 is Fig. 1 decomposing schematic representation；

Fig. 3 is Fig. 2 region A schematic diagrames.

Reference

Skeleton 10, baffle plate 11, shell 12, outlet 13, armature winding 20, primary pins 21, secondary windings 30, secondary is drawn Pin 31, high-temperature insulation piece 32, bottom plate 40, magnetic core 50, region A.

Embodiment

Describe presently filed embodiment in detail below in conjunction with drawings and Examples, thereby how the application is applied Technological means can fully understand and implement according to this to solve technical problem and reach the implementation process of technology effect.

Please also refer to Fig. 1 and Fig. 2, Fig. 1 is that the great-power electronic of the new structure of the embodiment of the utility model one becomes Depressor schematic diagram；Fig. 2 is Fig. 1 decomposing schematic representation.As illustrated, a kind of great-power electronic transformer of new structure includes bone Frame 10, the center of skeleton 10 has baffle plate 11；Skeleton 10 is wound in respectively and positioned at the armature winding 20 and secondary of the both sides of baffle plate 11 Winding 30；It is arranged at the bottom plate 40 under secondary windings 30；The wherein insertion bottom plate 40 of primary pins 21 of armature winding 20, it is secondary around The insertion bottom plate 40 of secondary pins 31 of group 30；The shell 12 of armature winding 20 is coated, shell 12 has by primary pins 21 Outlet 13；And wear skeleton 10 and be held on the magnetic core 50 at the two ends of skeleton 10.In the embodiment of the utility model one, bone Frame 10 is using the isolation armature winding 20 of baffle plate 11 and secondary windings 30, it is ensured that be dielectrically separated from；Shell 12 closes armature winding simultaneously 20, isolation effect is more obvious so that the present apparatus need not be as usual using the high three layer insulation wire of price, in guarantee property While energy cost is alleviated for client.

Please continue to refer to Fig. 3, Fig. 3 is Fig. 2 region A schematic diagrames.As illustrated, in the embodiment of the utility model one In, secondary windings 30 is that multiple copper sheet coils are formed by stacking, and high-temperature insulation piece 32 is set between multiple copper sheet coils.So One, secondary windings 30 uses wide slim copper sheet coil, can avoid the flat enamel-covered wire using super thick, then avoids skin from imitating Should, more with good insulating properties.In addition, secondary pins 31 are made up of copper post, and copper post is inserted through secondary windings 30 Bottom plate 40, is, both can guarantee that connection effect, to have good conductive capability again, possesses the excellent of convenient processing and high stability Point.

It is noted that primary pins 21 of the present utility model can also wear Teflon sleeve pipe, it is ensured that good support Protective value, it is simple in construction, it is easy to use.

Some preferred embodiments of the present utility model have shown and described in described above, but as previously described, it should be understood that this Utility model is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various Other combinations, modification and environment, and above-mentioned teaching or association area can be passed through in utility model contemplated scope described herein Technology or knowledge be modified.And the change and change that those skilled in the art are carried out do not depart from spirit of the present utility model and model Enclose, then all should be in the protection domain of the utility model appended claims.

Claims (4)

1. a kind of great-power electronic transformer of new structure, it is characterised in that including：

Skeleton, the skeleton center has baffle plate；

The skeleton is wound in respectively and positioned at the armature winding and secondary windings of the baffle plate both sides；

It is arranged at the bottom plate under the secondary windings；

The primary pins of wherein described armature winding insert the bottom plate, and the secondary pins of the secondary windings insert the bottom Plate；

The shell of the armature winding is coated, the shell has the outlet by the primary pins；

And wear the skeleton and be held on the magnetic core at the skeleton two ends.

2. the great-power electronic transformer of new structure according to claim 1, it is characterised in that wherein it is described it is secondary around Group is formed by stacking for multiple copper sheet coils, and high-temperature insulation piece is set between multiple copper sheet coils.

3. the great-power electronic transformer of new structure according to claim 1, it is characterised in that wherein described secondary is drawn Pin is made up of copper post, and the copper post inserts the bottom plate through the secondary windings.

4. the great-power electronic transformer of new structure according to claim 1, it is characterised in that wherein described primary is drawn Wear and set Teflon sleeve pipe.