CN2713599Y

CN2713599Y - Induction coil

Info

Publication number: CN2713599Y
Application number: CN 200420006055
Authority: CN
Inventors: 林伙利
Original assignee: Sanjirui Science & Technology Co Ltd
Current assignee: Sanjirui Science & Technology Co Ltd; TRIO Tech Co Ltd
Priority date: 2004-03-23
Filing date: 2004-03-23
Publication date: 2005-07-27
Anticipated expiration: 2014-03-23

Abstract

The utility model provides an induction coil, comprising an initial section metallic sheet, a plurality of repeater section metallic sheets and an ending section metallic sheet which are connected with each other in turn, and the repeater section metallic sheets are connected with each other. The connecting portion between the repeater section metallic sheets which are adjacent is folded to form a folding portion and is folded and wound in turn, and a plurality of repeater section metallic sheets are stacked layer by layer in the folding and winding mode to form a frame multilayer coil structure. The folding portions of the repeater section metallic sheets of the adjacent layer are not in the same vertical axis line, but separate an angle and staggers. The folding portions are folded and deformed to result in the damage of the surface insulation process, but the folding portions are arranged in a stagger mode, the short circuit of the folding portions can be avoided, and the excellent use effect of the induction coil can be kept all the time.

Description

Induction coil

Technical field

The relevant a kind of induction coil of the utility model.

Background technology

Induction coil is wherein a kind of assembly of current, passes to electric current to produce magnetic field, uses and can be used as electronic building bricks such as coil, inductance or transformer ' s type.

Electronic building bricks such as above-mentioned this coil, inductance or transformer ' s type, its current or coil partly, normally with the metal material handled through surface insulation around moulding.

In the occasion for the big electric current of carrying, above-mentioned this metal material must have bigger current-carrying basal area, and it normally replaces original normally used metal wire with the sheet metal of flat.

Fig. 1 is existing induction coil forming process schematic diagram, and Fig. 2 is the outside drawing of existing induction coil structure, and Fig. 3 is the profile of existing induction coil shown in Figure 2.Shown in this accompanying drawing, when being made into loop construction with shaping metal sheets, existing mode and structure are, earlier sheet metal 1 is made vertical bar shape sheet metal 11, and after surface insulation is handled, again directly with these vertical bar shape sheet metal 11 multilayers around, and form the multi-lamellar loop construction of frame type, for example form circle frame type multilayer shape loop construction.

Yet this existing induction coil has following obvious shortcoming, promptly when vertical bar shape sheet metal is encompassed the multi-lamellar loop construction of frame type, in this sheet metal around portion 12, is deformed into curved for example annular sheet metal 13 from original vertical bar shape sheet metal 11.In the middle of this deformation process, enclosing 13a in this annular sheet metal 13 is to be squeezed, and the peripheral 13b of this annular sheet metal 13 then is stretched.But when this periphery 13b is stretched, the surface insulation that is applied on it is for example handled insulating varnish and also can be stretched and break and damage its insulation effect, and around any peripheral 13b position of portion's 12 any annular sheet metals 13, all might destroy its insulation effect because of stretching, when its breakdown point 14 occurs in the corresponding position of facing layer annular sheet metal 13 mutually (as shown in Figure 3), then can cause short circuit phenomenon.

The utility model content

The utility model promptly is because the shortcoming of above-mentioned existing induction coil structure provides a kind of induction coil of innovating structure and design, and has no the anxiety of short circuit.

Induction coil of the present utility model comprises that The initial segment sheet metal, several hop sheet metals and the ending segment sheet metal made with flat metal are connected each other in regular turn, and each hop sheet metal also is connected, each connecting portion that faces mutually between the hop sheet metal is to be folded to form the folding part, and lap wound in regular turn, and these several hop sheet metals are stacked into the multi-lamellar loop construction of frame type layer by layer in this lap wound mode, and the folding part of adjacent layer hop sheet metal is not on same vertical axis position, but staggers mutually every an angle mutually.

According to above-mentioned the utility model induction coil is with folding and lap wound structure, storehouse forms layer by layer, because it respectively faces layer folding part of hop sheet metal mutually is not on same vertical axis position, therefore, although when causing damaged that surface insulation handles in this folding part folded deformation, but this folding part is faced mutually and is not folded on layer same upright position of hop sheet metal and keeps surface insulation to handle and effect intact, thereby, avoid this folding part and face layer short circuit of hop sheet metal mutually, promptly avoid facing mutually the damaged short circuit between the layer line circle and can remain the good result of use of this induction coil.For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.

Description of drawings

Fig. 1 is existing induction coil forming process schematic diagram.

Fig. 2 is the outside drawing of existing induction coil structure.

Fig. 3 is the profile of existing induction coil shown in Figure 2.

Fig. 4 is not folded into the preceding expansion schematic diagram of loop construction for the utility model induction coil.

Fig. 5 the utility model induction coil folding process schematic diagram.

Fig. 6 is the enlarged drawing of the wherein a part of process of folding process shown in Figure 5.

Schematic appearance after Fig. 7 finishes for the utility model induction coil is folding.

Fig. 8 is the expansion schematic diagram of another embodiment of the utility model induction coil.

Embodiment

Fig. 4 is not folded into the preceding expansion schematic diagram of loop construction for the utility model induction coil, Fig. 5 the utility model induction coil folding process schematic diagram, Fig. 6 is the enlarged drawing of the wherein a part of process of folding process shown in Figure 5, schematic appearance after Fig. 7 finishes for the utility model induction coil is folding, Fig. 8 is the expansion schematic diagram of another embodiment of the utility model induction coil.

The utility model induction coil 2 is to make with the flat wire of handling through surface insulation, and this induction coil 2 includes The initial segment sheet metal 21, several hop sheet metals 22 and ending segment sheet metal 23, and each section sheet metal is connected in regular turn each other.

The connecting portion 22a that each of above-mentioned these several hop sheet metals faced 22 of hop sheet metals mutually is folded to form folding part 22b, and lap wound in regular turn, and these several hop sheet metals 22 are stacked into the multi-lamellar loop construction of frame type layer by layer in this lap wound mode, and the folding part 22b of adjacent layer hop sheet metal 22 is not on same vertical axis position, but stagger mutually every an angle mutually, for example shown in the embodiment of accompanying drawing, each folding part 22b that faces layer hop sheet metal 22 mutually is mutually every 90 degree on the circumference angle.

When above-mentioned these several hop sheet metals 22 are stacked into the loop construction of frame type stratiform layer by layer, be the one deck that constitutes this loop construction with the identical or different plurality of sections of these several hop sheet metals 22, or constitute one deck of this loop construction with the some of some hop sheet metals 22.

In addition, the body of above-mentioned these several hop sheet metals 22 is for being stacked into any body of frame type structure in the lap wound mode, and for example Fig. 4 is to shown in Figure 7, and these several hop sheet metals 22 are annular body, and can be stacked into the loop construction of round frame type; As shown in Figure 8, these several hop sheet metals 22 are square body, and can be stacked into the loop construction of frame type.

Above-mentioned this The initial segment sheet metal 21 and this ending segment sheet metal 23 be for being connected on other circuit is done electrically.Can be respectively via the shape, size or the size that change this The initial segment sheet metal 21 and this ending segment sheet metal 23, and change shape or the extraction location or the angle of this The initial segment sheet metal 21 and this ending segment sheet metal 23 respectively.Also can be via the shape, size or the size that change the hop sheet metal 22 link to each other with this ending segment sheet metal 21 and this ending segment sheet metal 23, and change the extraction location or the angle of this The initial segment sheet metal 21 and this ending segment sheet metal 23 respectively.

According to above-mentioned the utility model induction coil, because facing the folding part 22b of layer hop sheet metal 22 mutually is not on same vertical axis position, therefore, when although this folding part 22b causes this position surface insulation to handle breakage in folded deformation, also can not cause this folding part 22b and face layer short circuit of hop sheet metal 22 mutually, and can remain the better quality that this induction coil uses.That is the induction coil 2 of the utility model lap wound structure has and the existing identical result of use of induction coil around structure, but has avoided this existing around constructing the shortcoming that induction coil is short-circuited easily.

Though the utility model is described with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, under the situation that does not break away from the utility model spirit, also can make the variation and the modification of various equivalences, therefore, as long as variation, the modification to the foregoing description all will drop in the application's claims institute restricted portion in connotation scope of the present utility model.

Claims

1. an induction coil is to make with the flat metal of handling through surface insulation, and this induction coil comprises at least:

One The initial segment sheet metal;

Several hop sheet metals are connected in this The initial segment sheet metal, and each hop sheet metal also is connected; And

One ending segment sheet metal is connected in this several hop sheet metals; It is characterized in that:

Each connecting portion that faces mutually between the hop sheet metal is to be folded to form the folding part, and lap wound in regular turn, and these several hop sheet metals are stacked into the multi-lamellar loop construction of frame type layer by layer in this lap wound mode, and the folding part of adjacent layer hop sheet metal is not on same vertical axis position, but staggers mutually every an angle mutually.

2. induction coil as claimed in claim 1 is characterized in that, the body of these several hop sheet metals is for being stacked into any body of frame type structure in the lap wound mode.

3. induction coil as claimed in claim 1 is characterized in that, these several hop sheet metals are the one decks that constitute this loop construction with identical or different plurality of sections.

4. induction coil as claimed in claim 1 is characterized in that, these several hop sheet metals are the one decks that constitute this loop construction with the some of plurality of sections.