CN201174297Y

CN201174297Y - Combined transformer iron-core

Info

Publication number: CN201174297Y
Application number: CNU2008200797926U
Authority: CN
Inventors: 谭国林
Original assignee: LUODING RADIO TECHNOLOGY Co Ltd
Current assignee: Guangdong Tower Electrical Technology Co., Ltd.
Priority date: 2008-04-07
Filing date: 2008-04-07
Publication date: 2008-12-31
Anticipated expiration: 2018-04-07

Abstract

The utility model provides a combined transformer iron core which is characterized in that the transformer iron core comprises a rectangular window iron core which is formed by contact jointing and overlapping a multilayer L-shaped iron chips, the L-shaped iron chip is provided with a fixing hole, one side of the rectangular window iron core is provided with a magnetic path splitting iron core which is formed by jogging another multilayer L-shaped iron chip and a multilayer rectangular iron chip, both the L-shaped iron chip and the rectangular iron chip are provided with the fixing holes, a clearance is reserved between the rectangular window iron core and the magnetic path splitting iron core, and the two L-shaped iron chips have the same shapes and sizes in the rectangular window iron core; and the window size of the iron core is not limited by a transverse yoke piece, thereby being convenient to enlarge the iron chip height, elongate the window and adjust the clearance of the magnetic path splitting iron core, being convenient to adjust, simplifying the iron core design and the die, reducing the design fee and the die fee, having easy process, saving time, reducing the production cost and having practicability.

Description

The combined transformer iron core

Technical field

The utility model relates to a kind of transformer core, particularly a kind of combined transformer iron core that is used for the ferro resonance AC voltage-stabilizing.

Background technology

The shaped design of the lamination in present existing transformer and the ferro resonance AC voltage-stabilizing transformer (constant voltage transformer) becomes the EI type, as Fig. 1, shown in 2, common its diaphragm of EI sections chip is dimensioned to horizontal yoke sheet and equates, the recovery of being convenient to iron core is used, in Fig. 1, earlier both

sides diaphragm

3 and 4 is die-cut into horizontal yoke sheet, 1/2 place (dotted line place) with main leaf central authorities cuts off again, main leaf is divided into two, be lamination 1 and 2, piece together EI sections core by structure shown in Figure 2 then, the iron core of this kinds of structures is when making transformer and ferro resonance transformer, the height H of its window will be subjected to the restriction of horizontal yoke length L, and the size of core window is subjected to the restriction of horizontal yoke sheet width D, cause under a lot of occasions to use to be restricted, the woollen size of making iron core simultaneously is twice than the core dimensions of actual amalgamation can punching out, causes many little materials to recycle in the production.Fixed when the power output of transformer and ferro resonance transformer, core section is along with fixed, and when bag can not hold but window winds the line, EI sections core will amplify the lamination overall dimension, and whole iron core strengthens, and can cause the waste of certain material.

In view of this, in order to overcome above-mentioned shortcoming, this creator is according to oneself practical experience and technical concept, after deliberation, exploitation, and has the utility model to produce eventually.

The utility model content

The utility model is that a kind of combined transformer iron core will be provided, and makes the window size of its iron core not limited by horizontal yoke sheet with solution, can conveniently amplify the iron core height, elongates window and adjust the technical problem of dividing the magnetic circuit gap.

It is such solving the problems of the technologies described above the technical scheme that is adopted:

A kind of combined transformer iron core, it is characterized in that: this transformer core comprises a rectangular window iron core, this rectangular window iron core is two and docks superimposed the composition by the L shaped lamination of multilayer, and L shaped lamination is provided with fixing hole, and this rectangular window iron core one side is provided with one fen magnetic circuit iron core;

This minute, the magnetic circuit iron core was made up of L shaped lamination of another multilayer and the amalgamation of multilayer rectangle lamination, all was provided with fixing hole on L shaped lamination wherein and the rectangle iron core sheet;

Be provided with a gap between this rectangular window iron core and the branch magnetic circuit iron core;

Two L shaped lamination geomeries in this rectangular window iron core equate;

The height of this rectangular window iron core equates with branch magnetic circuit iron core height or is unequal.

The utility model is a kind of iron core that is used for ferro resonance AC voltage-stabilizing transformer, piece together a rectangular window iron core with the EI sections core that is used for transformer and the ferro resonance transformer L shaped lamination that different is is equated by two sizes, its minute, the magnetic circuit iron core was by another L shaped lamination and one the rectangle iron core sheet is superimposed is combined into, piece together double window degree of lip-rounding shape iron core with rectangular window iron core left side or right side again, the mosaic is provided with the gap therebetween, this minute the magnetic circuit gap variation, can make the voltage stabilizing compensated curve and the compensation rate of ferro resonance AC voltage-stabilizing transformer produce certain variation, this production and debugging for ferro resonance AC voltage-stabilizing transformer brings many convenience, not limited by horizontal yoke sheet thereby solved the window size that makes its iron core, can conveniently amplify the iron core height, elongate window and adjust the technical problem of dividing the magnetic circuit gap.

The utility model is simple in structure, and its advantage is as follows:

1, of the present utility model minute magnetic circuit iron core is by another L shaped lamination and one the rectangle iron core sheet is superimposed is combined into, required woollen width significantly reduces, leftover pieces in the production process are fully used, it is very simple that die cutting die in the production technology becomes, reduced the die cost in producing, also reduce simultaneously the tonnage number of die cutting device, saved electric energy.

2, core window area size of the present utility model is not limited by horizontal yoke sheet, and the height of window can be done to prolong arbitrarily or shorten according to the actual needs of engineering, is convenient to design adjustment, can simplify core design and mould, has reduced design charges and mould expense.

When 3, the utility model is used for ferro resonance AC voltage-stabilizing transformer, lamination is disposable machining, can adjust the voltage stabilizing compensation rate according to the gap that the superimposed discreteness of artificial lamination is adjusted the branch magnetic circuit, reach the consistency of stabilized voltage characteristic, make the precision of voltage regulation reach designing requirement, shorten debug time, reduce cost.

4, each lamination simplicity of design of the present utility model, easily processing saves time, and reduces manufacturing cost.

Description of drawings

Fig. 1 is the shear constitution schematic diagram of existing EI type constant voltage transformer lamination.

Fig. 2 is the amalgamation crossover view of existing EI type constant voltage transformer lamination.

Fig. 3 is a core structure schematic diagram of the present utility model.

Fig. 4 is a lamination amalgamation crossover status architecture schematic diagram of the present utility model.

Fig. 5 is the L shaped lamination shear constitution schematic diagram in the rectangular window iron core of the present utility model.

Fig. 6 is of the present utility model minute L shaped lamination and the rectangle iron core sheet shear constitution schematic diagram in the magnetic circuit iron core.

Embodiment

Shown in Fig. 3,4, be core structure of the present utility model and lamination amalgamation crossover view, this combined transformer iron core 100 comprises a rectangular window iron core 10, rectangular window iron core 10 be two by the L shaped lamination of multilayer 11 butt joints superimposed composition, L shaped lamination 11 is provided with fixing hole 12, and rectangular window iron core 10 1 sides are provided with one fen magnetic circuit iron core 20;

This minute, magnetic circuit iron core 20 was made up of L shaped lamination 21 of another multilayer and 22 amalgamations of multilayer rectangle lamination, and L shaped lamination 21 wherein is provided with fixing hole 23, and rectangle iron core sheet 22 is provided with fixing hole 24;

Be provided with a gap 30 between this rectangular window iron core 10 and the branch magnetic circuit iron core 20;

As shown in Figure 5, be the 11 shear constitution schematic diagrames of the L shaped lamination in the rectangular window iron core 10, two L shaped lamination 11 geomeries in this rectangular window iron core 10 equate;

As shown in Figure 6, be L shaped lamination 21 in minute magnetic circuit iron core 20 and rectangle iron core sheet 22 shear constitution schematic diagrames, the height H 1 of this rectangular window iron core 10 equates that with the height H 2 of dividing magnetic circuit iron core 20 perhaps the height H 1 of rectangular window iron core 10 is unequal with the height H 2 of dividing magnetic circuit iron core 20.

The window size of this iron core is not limited by horizontal yoke sheet, can conveniently amplify the iron core height, elongates window and adjust branch magnetic circuit gap, is convenient to design adjustment, can simplify core design and mould, reduce design charges and mould expense, easily processing, save time, reduce manufacturing cost, and the tool practicality.

In sum, the utility model has promoted the use effect, has practicality, meets each important document of utility model patent, so propose utility application in accordance with the law.

Claims

1, a kind of combined transformer iron core, it is characterized in that: this transformer core comprises a rectangular window iron core, this rectangular window iron core is two and docks superimposed the composition by the L shaped lamination of multilayer, and L shaped lamination is provided with fixing hole, and rectangular window iron core one side is provided with one fen magnetic circuit iron core;

Be provided with a gap between this rectangular window iron core and the branch magnetic circuit iron core.

2, combined transformer iron core according to claim 1 is characterized in that: two L shaped lamination geomeries in this rectangular window iron core equate.

3, combined transformer iron core according to claim 2 is characterized in that: the height of this rectangular window iron core equates with dividing magnetic circuit iron core height.

4, combined transformer iron core according to claim 2 is characterized in that: the height of this rectangular window iron core is unequal with branch magnetic circuit iron core height.