CN102208256A

CN102208256A - Transformer

Info

Publication number: CN102208256A
Application number: CN2011100564640A
Authority: CN
Inventors: 刘征
Original assignee: SHENZHEN SANMA ELECTRICAL APPLIANCES CO Ltd
Current assignee: SHENZHEN SANMA ELECTRICAL APPLIANCES CO Ltd
Priority date: 2011-03-09
Filing date: 2011-03-09
Publication date: 2011-10-05

Abstract

The invention discloses a transformer and belongs to the field of electronic products. The transformer comprises an annular closed iron core; an annular framework is encircled on the wall of the annular closed iron core; at least four annular frameworks serving as insulation frameworks are provided; and a wire is coiled on the outer surface of each of the annular frameworks so as to form a winding. As the windings of the transformer are coiled on the annular frameworks, the coiling is easy to realize, the processing difficulty is reduced, the production efficiency is improved and the product cost is reduced; and as at least four annular frameworks are arranged on the transformer and set to be primary windings and secondary windings as required, the heat dissipation effect is good and the performance of the transformer is guaranteed effectively. Furthermore, by the transformer, the two difficulties of the conventional transformer are reduced basically, so the transformer is easy to popularize.

Description

A kind of transformer

Technical field

The present invention relates to electronic product, particularly a kind of transformer.

Background technology

Transformer is a kind of electric equipment that is used for the electric energy conversion, and it can convert the AC energy of a kind of voltage, electric current to the another kind of voltage of same frequency, the AC energy of electric current.

In electronic transformer, traditional toroidal transformer is a relatively reasonably transformer of structure, it comprises the iron core-closed of annular, be coated on first insulating barrier on described iron core-closed surface, be wrapped in the primary coil on described first insulating barrier, be coated on second insulating barrier on the described primary coil, be wrapped in the secondary coil on described second coil.

The inventor finds prior art in realizing process of the present invention there are the following problems:

One, because the iron core of existing toroidal transformer is closed annular, and primary coil and secondary coil all need to cover it above, be difficult to coiling during production, must use shuttle type coil winding machine or other special-purpose coil winding machine coilings, need to use expensive professional equipment production owing to produce, cause the product price height, on the other hand, limited by said structure, relatively more difficult, time-consuming on making, cause coiling efficient lower; Its two, the primary coil of toroidal transformer and secondary coil all need to adopt insulating material to isolate between every grade of coil, cause heat radiation bad, have influenced transformer performance greatly.Because there are above-mentioned two big insoluble problems in existing toroidal transformer, so this product is difficult to promote.

Summary of the invention

In order to overcome toroidal transformer of the prior art, there is the problem of coiling difficulty and radiating effect difference, the embodiment of the invention provides a kind of transformer.Described technical scheme is as follows:

A kind of transformer comprises the iron core-closed of ring-type, and around cyclic skeleton, described cyclic skeleton is that insulation framework and quantity are at least four on the iron core-closed wall of described ring-type, and the outer surface of each described cyclic skeleton is all twining line and forming coil.

Particularly, described cyclic skeleton comprises upper half shell and the lower half shell that split connects, and described upper half shell firmly is connected with described lower half shell.

Particularly, described upper half shell and described lower half shell be semicircle, then their described cyclic skeletons of combining are for circular.

Further, all outwards outstanding and inside stretching, extension of the outer rim of described cyclic skeleton both ends of the surface forms two boss respectively, and the outer integral body of the described boss in described two boss is provided with tooth.

Particularly, the firm connection between described upper half shell and the described lower half shell realizes by connector.

Particularly, described connector is arranged on the reference column on the described upper half shell end face, and is located at the jack on the described lower half shell end face, and described reference column and described jack match.

Further, described iron core-closed cross section is circle or regular polygon.

Particularly, described iron core-closed cross section is an octagon.

Particularly, the quantity of described cyclic skeleton is six, and is divided into two groups, and described wherein one group is a primary coil, and described other one group is secondary coil, between the described primary coil and between the described secondary coil respectively the lead by separately connect.

The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: compared to existing technology, the embodiment of the invention is by being provided with the cyclic skeleton of insulation on annular iron core-closed, and twine and the structure of support coils by cyclic skeleton, make the coil winding of described transformer on cyclic skeleton, therefore coiling is easy, reduce difficulty of processing, improved production efficiency, reduced product cost; Because described transformer is provided with at least four cyclic skeletons, four cyclic skeletons can be assigned as primary coil skeleton and secondary coil skeleton as required, coiling on the cyclic skeleton, so radiating effect is good, has effectively guaranteed the performance of described transformer.Because going up substantially, transformer of the present invention solves two hang-ups that above-mentioned traditional transformer exists, so this product is easy to promote.

Description of drawings

Fig. 1 is the stereogram of the described transformer of the embodiment of the invention;

Fig. 2 is the front view of the described transformer of the embodiment of the invention;

Fig. 3 is that the A-A among Fig. 1 analyses and observe rotation diagram;

Fig. 4 is the three-dimensional exploded view of the described cyclic skeleton of the embodiment of the invention;

Fig. 5 is the front view of the described cyclic skeleton of the embodiment of the invention;

Fig. 6 is the end view of Fig. 5;

Fig. 7 is the vertical view of the described lower half shell of the embodiment of the invention.

Among the figure: 10 is iron core-closed, 11 walls, 12 primary coils, 13 secondary coils, 20 cyclic skeletons, 21 upper half shells, 22 reference columns, 23 lower half shells, 24 jacks, 25 first boss, 26 second boss, 27 teeth.

Embodiment

For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.

As shown in Figure 1, also can be referring to Fig. 2 and Fig. 3, a kind of transformer that the embodiment of the invention provides, comprise iron core-closed 10 of ring-type, on iron core-closed 10 the wall 11 of described ring-type around cyclic skeleton 20, described cyclic skeleton 20 is for insulation framework and quantity are at least four, and the outer surface of each described cyclic skeleton 20 is all twining line and forming coil.

Referring to Fig. 1, compared to existing technology, the embodiment of the invention by annular iron core-closed 10 on the cyclic skeleton 20 of insulation is set, and twine and the structure of support coils by cyclic skeleton 20, can utilize existing traditional coil winding machine coiling to make transformer, owing to it is easy to coiling, so reduced difficulty of processing, improve production efficiency, need not the spooling equipment of specialty, reduced product cost; Transformer of the present invention is provided with at least four cyclic skeletons 20, four cyclic skeletons 20 can be assigned as the skeleton of primary coil 12 (referring to Fig. 2) and the skeleton of secondary coil 13 (referring to Fig. 2) as required, be that primary coil 12 (referring to Fig. 2) and secondary coil 13 (referring to Fig. 2) all adopt the discrete coiling, because the cyclic skeleton 20 that uses itself has the good insulation performance performance, a large amount of insulating material so on iron core-closed 10, need not to reel, make iron core-closed 10 good performance of heat dissipation is arranged, effectively guarantee the performance of described transformer, saved a large amount of insulating material simultaneously.Therefore because transformer of the present invention fundamentally solves coiling difficulty and this two hang-up of weak heat-dissipating that traditional transformer exists, so transformer of the present invention is easy to promote.

In addition, the embodiment of the invention has also that magnetic property is good, and leakage field is little, the tangible advantage of energy-saving effect.

Wherein, cyclic skeleton meets the related standards such as fire-retardant and environmental protection that insulate.Particularly, as shown in Figure 4, also can be referring to Fig. 5 and Fig. 6, described cyclic skeleton 20 comprises upper half shell 21 and the lower half shell 23 that split connects, described upper half shell 21 firmly is connected with described lower half shell 23.This firm connection can be bonding, also can connect by connector.

Particularly, as shown in Figure 5, in this example, the firm connection between described upper half shell 21 and the described lower half shell 23 realizes by connector.Particularly, as shown in Figure 5, also can be referring to Fig. 6, described connector is arranged on the reference column 22 on described upper half shell 21 end faces, and is located at the jack 24 (referring to Fig. 7) on described lower half shell 23 end faces, and described reference column 22 matches with described jack 24 (referring to Fig. 7).So this example has realized reliable connection by simple structure.

Particularly, as shown in Figure 5, described upper half shell 21 and described lower half shell 23 be semicircle, then their described cyclic skeletons 20 of combining are for circular (referring to Fig. 3), so be convenient to coiling.Compared with prior art,, therefore be to be wrapped in coil on the annular core and non-circular, but be trapezoidal because the cross section of toroidal transformer is trapezoidal in the prior art, thus be unfavorable for the carrying out of electromagnetic induction, and waste copper cash; And the coil of the described transformer of the embodiment of the invention is to be wrapped on the circular cyclic skeleton 20 (referring to Fig. 1), the coil of institute's coiling is a standard round molded lines circle, the utmost point is beneficial to the carrying out of electromagnetic induction, and coil is not whole wall 11 (referring to Fig. 1) winding along iron core-closed 10 (referring to Fig. 1), has effectively saved copper cash.

Further, as shown in Figure 4, the outer rim of described cyclic skeleton 20 both ends of the surface all outwards outstanding and inwardly stretching, extension form two boss respectively, i.e. first boss 25 and second boss 26, the position of effectively having limited described coil.Wherein, the outer integral body of the described boss in described two boss is provided with tooth 27, is that the outer of second boss 26 is provided with tooth 27 in this example, be convenient to tradition coiling arbor on the tooth engagement.

Further, as shown in Figure 1, described iron core-closed 10 cross section is circle or regular polygon (wherein, the outline of regular polygon is a near round shape), is beneficial to cyclic skeleton 20 around iron core-closed 10 rotations.

Particularly, as shown in Figure 3, in this example, described iron core-closed 10 cross section is an octagon.Particularly, as shown in Figure 2, in this example, the quantity of described cyclic skeleton 20 is six, and be divided into two groups, described wherein one group is a primary coil 12, and described other one group is secondary coil 13, between the described primary coil 12 and between the described secondary coil 13 respectively the lead by separately connect.

The technology manufacturing process principle of the embodiment of the invention: referring to Fig. 1, upper half shell 21 (referring to Fig. 4) and lower half shell 23 (referring to Fig. 4) are assemblied in formation cyclic skeleton 20 on iron core-closed 10, gear by the coil winding machine output shaft meshes tooth 27 on each cyclic skeleton 20 (can referring to Fig. 5) respectively, start coil winding machine and can drive described cyclic skeleton 20 rotations, thereby wind the line, finally turn to primary coil 12 (referring to Fig. 2) or secondary coil 13 (referring to Fig. 2).

Through test, other transformers of equal volume (or weight) have been compared following effect with the embodiment of the invention, this example is illustrated as example to use the most extensive EI sections core transformer, the power of transformer of the present invention is 1.8 times of EI sections core transformer, the efficient of transformer of the present invention is 1.4 times of EI sections core transformers, and visible transformer of the present invention is a kind of energy saving transformer.

The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. transformer, comprise the iron core-closed of ring-type, it is characterized in that, on the iron core-closed wall of described ring-type around cyclic skeleton, described cyclic skeleton is that insulation framework and quantity are at least four, and the outer surface of each described cyclic skeleton is all twining line and forming coil.

2. transformer as claimed in claim 1 is characterized in that, described cyclic skeleton comprises upper half shell and the lower half shell that split connects, and described upper half shell firmly is connected with described lower half shell.

3. transformer as claimed in claim 2 is characterized in that, described upper half shell and described lower half shell be semicircle, then their described cyclic skeletons of combining are for circular.

4. as the described transformer of each claim of claim 1-3, it is characterized in that, the all outwards outstanding and inside stretching, extension of the outer rim of described cyclic skeleton both ends of the surface forms two boss respectively, and the outer integral body of the described boss in described two boss is provided with tooth.

5. transformer as claimed in claim 4 is characterized in that, the firm connection between described upper half shell and the described lower half shell realizes by connector.

6. transformer as claimed in claim 5 is characterized in that, described connector is arranged on the reference column on the described upper half shell end face, and is located at the jack on the described lower half shell end face, and described reference column and described jack match.

7. transformer as claimed in claim 6 is characterized in that, described iron core-closed cross section is circle or regular polygon.

8. transformer as claimed in claim 7 is characterized in that, described iron core-closed cross section is an octagon.

9. transformer as claimed in claim 8, it is characterized in that, the quantity of described cyclic skeleton is six, and be divided into two groups, described wherein one group is a primary coil, described other one group is secondary coil, between the described primary coil and between the described secondary coil respectively the lead by separately connect.