CN203882659U - Electromagnetic winding polygonal varnished wire and motor using the same - Google Patents

Abstract

The utility model provides an electromagnetic winding polygonal varnished wire which comprises a metal conductor located inside the polygonal varnished wire and an insulating varnish film located outside the polygonal varnished wire. The metal conductor is made through a special wire-drawing die and formed into a polygonal conductor through the wire-drawing process. The technical scheme of the utility model has the following advantages that by adopting the varnished wire, the space utilization rate can be improved so as to realize advantages of reducing the device size and reducing the cost.

Description

For the polygon enamelled wire of electromagnetism winding and use its motor

Technical field

The utility model relates to the utility model and relates to polygon enamelled wire, relates in particular to for the polygon enamelled wire of electromagnetism winding and uses its motor.

Background technology

Enamelled wire is a kind of electrical material, is the main and crucial raw material of the electromagnetism winding of the devices such as motor, transformer, electrical equipment.Enamelled wire is made up of metallic conductor and two of insulating barriers, metal bare wire after annealing softening, then through repeatedly japanning, cure and form.Domestic enamelled wire is divided into round line, lenticular wire, tubular wire by shape at present, and most widely used is circle line.Adopt circular enamelled wire as electromagnetism winding, the gap between the gap between adjacent wires and conductor and iron core is very large, and this part space is almost not used.This reduces the effective rate of utilization in space, in order to meet design requirement, must increase the space of placing winding.For the device of limited space system of placing electromagnetism winding, lower space availability ratio must cause excitation (armature) electric current to increase, and also can increase the loss of whole device.Adopt large wire diameter enamelled wire to make the device of electromagnetism winding for some, as the motor of MW class, above-mentioned problem is more outstanding.

At present, on market, not yet find to overcome above-mentioned shortcoming, can improve winding space effective rate of utilization, reduce the loss of device, reduce device volume and reduce costs the enamelled wire waiting, do not find Patents and document through retrieving.

Utility model content

For addressing the above problem, the utility model proposes a kind of polygon enamelled wire for electromagnetism winding, comprise and be positioned at the metallic conductor of polygon enamelled wire inside and be positioned at outside insulation paint film, wherein metallic conductor adopts polygonal cross-section mould to produce, and wire drawing is configured as polygon.

Preferably, described metallic conductor be shaped as hexagon, described insulation paint film be shaped as hexagonal rings.

Preferably, the specification institution of hexagon enamelled wire is as follows: the area equivalent principle that metallic conductor adopts, the area in the naked copper cross section of the area of this hexagonal cross-section and the enamelled wire of existing specification is equal, and the insulating varnish film thickness of insulating varnish film thickness and existing specification is consistent.The enamelled wire wire gauge compatibility of the utility model hexagon enamelled wire wire gauge to existing specification, the diameter specifications of hexagon circumscribed circle is 0.10～2.50mm.

Wherein, polygon enamelled wire, is to adopt advanced mould and consummate processes to form, have that wire diameter deviation is little, film thickness evenly, machinery and the advantage such as chemical characteristic is good, can meet the performance requirement of product.

The enamelled wire that the utility model relates to is mainly used in the electromagnetism winding of the devices such as motor, transformer, electrical equipment.

The utility model provides a kind of electromagnetism winding with polygon enamelled wire, and this electromagnetism winding comprises multiple polygon enamelled wires, it is characterized in that: at least one limit that has a limit and other polygon enamelled wire at least of each polygon enamelled wire is adjacent.

Preferably, described polygon enamelled wire is polygon, comprises and is positioned at the metallic conductor of polygon enamelled wire inside and is positioned at outside insulation paint film, and wherein metallic conductor is to adopt special wire-drawing die to produce, and wire drawing is configured as polygon.

Preferably, described metallic conductor be shaped as hexagon, described insulation paint film be shaped as hexagonal rings.

The beneficial effect of technique scheme of the present utility model is as follows: by adopting this enamelled wire, can improve space availability ratio, reduce device volume, the advantage such as reduce costs thereby realize.

Brief description of the drawings

Fig. 1 is the circular enamelled wire schematic diagram of prior art.

Fig. 2 is the hexagon envelope curve schematic diagram of the utility model embodiment.

Fig. 3 is circular enamelled wire and hexagon enamelled wire contrast schematic diagram in motor stator.

Description of reference numerals in Fig. 1-3:

1-metallic conductor; The 2-paint film that insulate; The circular enamelled wire of 3-; 4-polygon enamelled wire; 5-stator core; 6-stator tooth; 7-insulating paper.

Embodiment

For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.

As shown in Figure 2, a kind of polygon enamelled wire for electromagnetism winding, as shown in Figure 2, comprises metallic conductor 1 and insulation paint film 2.Wherein metallic conductor 1 is to adopt polygonal cross-section mold, and wire drawing is configured as polygon.

Preferably, the cross sectional shape of the metallic conductor 1 of enamelled wire inside is hexagon, and the cross sectional shape of outside insulation paint film 2 is hexagonal rings.

The specification institution of hexagon enamelled wire is as follows: the area equivalent principle that metallic conductor adopts, and the area in the naked copper cross section of the area of this hexagonal cross-section and the enamelled wire of existing specification is equal, and the insulating varnish film thickness of insulating varnish film thickness and existing specification is consistent.The enamelled wire wire gauge compatibility of the utility model hexagon enamelled wire wire gauge to existing specification, the diameter specifications of hexagon circumscribed circle is 0.015～2.50mm.

The specification of hexagon enamelled wire can substitute the circular enamelled wire of the various wire diameters of GB announcement completely, and the specification kind of wire diameter is met the need of market completely.

In embodiment 1, in embodiment, polygon enamelled wire is to adopt hexagon.Within the enamelled wire forming for other polygons still belongs to scope of the present utility model.

Polygon enamelled wire in the utility model can be used for electromagnetism winding, and Fig. 3 is circular enamelled wire and hexagon enamelled wire contrast schematic diagram in motor stator.Motor stator core partial cross section figure as can be seen from Figure 3, wherein, the groove area of stator tooth 6 both sides equates, places respectively two kinds of enamelled wires: circular enamelled wire of the prior art and hexagon enamelled wire of the present utility model.Circular enamelled wire 3 is placed in stator tooth 6 left sides.It is certain that hexagon enamelled wire 4(is placed on stator tooth 6 right sides, also can place other polygon).Obviously, adopt polygon enamelled wire, winding conducting wire can be arranged together closely, has hardly each other gap, compares circular enamelled wire, can place more electromagnetism winding in unit space, and the effective rate of utilization of winding space improves greatly.

Especially visible, use polygon enamelled wire of the present utility model, tool has the following advantages and gives prominence to effect:

1 effectively improves the effective rate of utilization in space

In same space, if when the circle that interfacial area equates and insulating varnish film thickness is equal of placement metallic conductor and polygon enamelled wire, adopt polygon enamelled wire, winding conducting wire can be arranged together closely, there is hardly each other gap, compare circular enamelled wire, can place more electromagnetism winding in unit space, the effective rate of utilization of winding space improves greatly.

2 reduce device volume and reduce costs

Adopt polygon enamelled wire, improved the effective rate of utilization of winding space, in the time placing the electromagnetism winding of equal number, device volume also just can reduce, and further reduces costs.

Above, execution mode of the present utility model has been carried out to brief description, but if so-called those skilled in the art, not departing from the scope of the utility model important content, can suitably change above-mentioned execution mode of the present utility model, and can the method for appropriately combined utilization based on above-mentioned execution mode and modification.In other words, even such technology being changed etc. is also contained in scope of the present utility model.

Claims (8)

1. for a polygon enamelled wire for electromagnetism winding, comprise and be positioned at the metallic conductor of polygon enamelled wire inside and be positioned at outside insulation paint film, it is characterized in that:

Metallic conductor is to adopt special wire-drawing die to produce, and wire drawing is configured as polygon.

2. polygon enamelled wire as claimed in claim 1, is characterized in that:

Described metallic conductor be shaped as hexagon, described insulation paint film be shaped as hexagonal rings.

3. polygon enamelled wire as claimed in claim 2, is characterized in that:

The specification institution of hexagon enamelled wire is as follows: the area equivalent principle that metallic conductor adopts, and the area in the naked copper cross section of the area of this hexagonal cross-section and the enamelled wire of existing specification is equal, and the insulating varnish film thickness of insulating varnish film thickness and existing specification is consistent; The enamelled wire wire gauge compatibility of described hexagon enamelled wire wire gauge to existing specification, the diameter specifications of hexagon circumscribed circle is 0.10～2.50mm.

4. have an electromagnetism winding for polygon enamelled wire, this electromagnetism winding comprises multiple polygon enamelled wires, it is characterized in that:

At least one limit that has a limit and other polygon enamelled wire at least of each polygon enamelled wire is adjacent.

5. electromagnetism winding as claimed in claim 4, is characterized in that:

Described polygon enamelled wire comprises and is positioned at the metallic conductor of polygon enamelled wire inside and is positioned at outside insulation paint film, and wherein metallic conductor is to adopt special wire-drawing die to produce, and wire drawing is configured as polygon.

6. electromagnetism winding as claimed in claim 5, is characterized in that:

Described metallic conductor be shaped as hexagon, described insulation paint film be shaped as hexagonal rings.

7. polygon enamelled wire as claimed in claim 6, is characterized in that:

The specification institution of hexagon enamelled wire is as follows: the area equivalent principle that metallic conductor adopts, and the area in the naked copper cross section of the area of this hexagonal cross-section and the enamelled wire of existing specification is equal, and the insulating varnish film thickness of insulating varnish film thickness and existing specification is consistent; The enamelled wire wire gauge compatibility of described hexagon enamelled wire wire gauge to existing specification, the diameter specifications of hexagon circumscribed circle is 0.10～2.50mm.

8. as the electromagnetism winding as described in arbitrary in claim 4-7, it is characterized in that:

Described electromagnetism winding is for motor or transformer.