DE1613352B2 - INSULATION BODY FOR INSULATING THE FIELD POLE OF AN ELECTRIC MOTOR - Google Patents

Description

9. Insulation body according to claim 8, characterized in that, can be identified with the help of the flange parts of the Wikgekmarks, that the end disk part does not increase the void space.

(106) facing away from the edge of the groove space lining the invention is based on the object of a

the end part (114) in the end plate part of the insulation body for isolating the field package of a

associated second insulation body matching 5 ° electric motor with pronounced poles opposite

can be used. to create the laminated core, which is an enlargement

10. Insulation body after one of the areas of the groove space is made possible and nevertheless without objections 1 to 4, characterized in that there are restrictions on a machine winding of the poles than one that is sprayed onto the laminated core. In the case of an insulation body, the entry kiger Body is formed. 55 mentioned type is this object according to the invention solved that the insulation body in circumferential

direction over the poles of the field packet also essentially along its entire axial extent is extended.

The invention relates to an isolation 60. Such an extension becomes easier body for isolating the field package of an electrical way of the slot space and thus for the field coil motor with pronounced poles, which integrally enlarges the available cross-sectional area one end face and at least half of it, because only the groove depth is increased, of the slot space of the field package and in the loading without making machine wrapping difficult, Each pole piece extends one from the end plate 65. It is also of particular advantage that the groove part axially outwardly extending wall carries. enlargement of the room does not have any negative consequences One such, by the British patent specification the course of the magnetic flux and thus the 351 known insulation body has simplified field distribution, which is important as in

Sheet metal cuts a change in the magneti ratios to a reduction in performance Any deterioration in the commutation university it the insulation body according to the invention ^ jeTok the commutation does not deteriorate Rather, an increase in power can be achieved because of the enlarged winding space for the field coils earth. In addition, there is the further advantage that there is a windundifan in the enlarged groove space have been completely glued to the legs of the bobbin while trickling, not in the first embodiment of the Isola according to the invention

body, "cVSmprs oe-

2 shows an end view of the Isolaüonskorpers ge

measured Fig. 1,

Fig.3 is a plan view ^^ facing side of one half of the pers according to Fig. Iund2 _{WJy the}

4 shows a section along the line

Fig. 2, _{vv d}

5 shows a section along line V N

Fig 3 _{Dfkht au {ώε} the laminated core

of the station body slightly larger than the bore guide shape of the erndungsgemaßen S ^ SA = S ^{l5 Pe} ? ig.7 a section along the line W-VII of the

^l5

. have in a preferred embodiment ^Fl g · ⁶ ·. .. _Snulenl

m the free corner zones of each wall a * o to isolate the two coils! So, come on. Since in this area the winding head as a whole, denoted by 3 JeMpa ta, passes over the leg of the coil, i.e. its height
Z ^ _n IrZ as in the central region, is the one through the
^ decrease in wall height due to inclination

^the

^Fl g ⁶ . .. _{Snulenl and} 2 one as

ld bd coils! "™ ~ £

Whole with 3 designated JeMp door

two-pole motor with pronounced Polerm ^> is a _Z w _ei ^ e ch trained Halften4 existing ^^ ™ ^ L

provided, as this makes the positioning of the FCdoaketes in the winding machine significantly

The advantageous embodiment is or Insulation body with another, gllei-form of that

applies because of the HiAe 5 - exists

SeTm fe _h

bSSSSäSS

good insulation is guaranteed. To be considered for one Embodiment, the two parts lining the groove space in the area of the overlapping, appendage Edge zones half the wall thickness, which provides insulation over the entire length of the groove space is equally strong.

The insulation body can also be designed in such a way that part of it covers the entire slot space lined between two neighboring poles. In this case it is advantageous if the end disk part remote edge of the part lining the groove space in the Endsche.bente.l of the associated second insulation body can be used appropriately. As a result, the slot insulation is in the desired Hold the position until the inserted winding presses it against the laminated core.

It is also possible for the insulating body to be made in one piece as one that is sprayed onto the laminated core To train body, which both for manufacturing reasons and for reasons of one of Interruptions free isolation will be beneficial

The following is the invention with reference to two

^ ^ a si ^ hax M _formed n

kenden in the form of a wgg _walls9

Wall 9 and 10 J ^ J ¹ ^ _{des der den Polschuhen} und ^ ^ J ^e ^ ngs f ^ß s _d J ^a « ^d _{ibteils6 verlau} .

J ^^ J ^ fSSiibe example slightly larger than that

Extension of the winding heads of coils 1 and 2 in extension of the ^ wic P ^ _{Der Krüm} .

^ '"^ T _r ^g inner surface of the concentric to the sockets» da _d «' acr ^ _{walls 9 and}

Bohr de «hewpaKeies ^ _{dius der zu} .

10 «J ^ w» gg ^m ^ _nde | _{and 10 form}

"grounded" 1 romacnen of _{the two} poles.

thereby P ™ M «che ^ ^e ^» _Fi ! _and2

flat ^na ^ f n _free PcSnen both walls off ^ y £ gSt de? "ni Endscheibenteil used to fix a currency ufSsetzcnden _a winding shoe. S ₇ facing side of the

^ Depressions 11 _{which the groove heads}

so that the final

A ^lf J ^{r the B}
End disk center 6
and ^^

wide indentations 13 back

individually explained. It shows

Fig. 1 is a partially in ~ _ - "-

Ten view of a wrapped field package with an er-Fem "er "has the end disk part 6 on this SeST" »i Se» and 15, the ehnso like the

Walls 9 and 10 are pivoted in one piece with the end disk angle around their longitudinal axis, Part 6 are formed and lie in areas, which are then the coils 1 and 2 generated. the perpendicular to the walls 9 and 10 of half 4 of the insulation body formed by the end disk part th face, but if the end cap and the corresponding walls of the other half part 6 rests on the end face of the laminated core 7, S prevent turns of the coils 1 and 2 towards the other half 5 of the insulation body slide inward in the area of the winding heads stretch. As Figure 3 shows, the walls 14 can extend. This prevents both and 15 along the edge of the two grooves 16 and wires can protrude into the bore of the laminated core 17 or 18 and 19, between which one of the two, as well as a reduction in the wire tension the gap between the poles and stretch, as shown in FIG. 1 to made largely impossible. As the wires shows in these grooves. As a result of the extension of the wire tension also in the area of the end pole tips of the end disk part 6 over the pole tips place disk parts against them, small ones are obtained of the laminated core, however, is that of the wall and compact winding heads, which are after the prefabricated part 14 and IS formed slot space larger than that of the coils no longer to be formed brown, which the laminated core forms. To reinforce the 15.

over the pole tips protruding edge strip The in the F i g. 6 to 8 illustrated embodiment Walls 14 and 15 are the shape of an insulation body that protrudes into the pole gap the edges of the on the outside of the end disk of the embodiment according to FIGS. 1 to 5 only partly 6 provided walls 9 and 10 each with a rod-shaped by a different design of the groove space Approach 22 provided along the 20 clothing walls. The match also applies Edge of the edge protruding over the pole tips with respect to the same design of the two half strips the walls lining the groove space 14 th of the insulation body, which is why in the following only 15 and 15 and designed in one piece with these, the differing features of one of the two slides is. chen halves are explained.

The axial length of these rod-shaped lugs is 25 instead of the two walls 14 and 15 is on the

somewhat less than that of the walls 14 and 15, indicated with dashed lines laminated core

which is slightly greater than half the axial length of the 107 facing side of the end plate part 106 of the

Laminated core 7 so that the walls 14 and 15 are only one half of the insulation body

can overlap. Wall 114 is provided, which is also like

So that the wall thickness of the slot insulation in the wall 14 along the edge of the two slots 116 rich of the overlap is not greater than in the over and 117, the height of which extends in the axial direction rigen areas and the insulation body from two of the laminated core 107 is somewhat larger than that may consist of identically formed halves, have the axial length of the laminated core. Instead of the paragraph like F i g. 5 shows that the walls 14 and 15 in the region 20, an edge strip 120 is provided in which of the overlapping edge zones, their wall thickness decreases towards the edge. This wedge strength to half the value reducing paragraph-shaped formation of the edge of the wall 114 erauf. F i g. 5 shows the wall 15 with the shoulder 20, which makes it easier to slide into the end disk part of FIG the one on one half of the circumference on the other half. The length of the wall 114 on its outside and on the other half, on the inside, reinforce the edge that protrudes beyond the pole tips the edge zone is provided. 40 kenden rod-shaped extension 122 on the other

The same applies to the wall 14 and the shoulder 21 located on the side of the end disk part 106

(F i β. 4). Wall 109 is slightly less than the axial length of the

The field package 3 is produced in the Biechpaketcb 107 selected.

Way that first the two halves 4 and 5 of the instead of the wall 15, the end plate part has the insulation body from the end faces on the 45 106 a stop laminated core 7 are only placed on the two pole tips. In the area between 123 and 124, which are integrally formed with the end faces of the two end faces of the laminated core 7, overlap part 106 and each consist of a short pen when the end disk parts 6 rest against the end peg-shaped part, the cross-sectional shape of the face of the laminated core , which corresponds to the groove space of the approaches 122, as well as a lining walls so far that there is a sufficient impact surface with a wedge-shaped profile long creep surface is available as a result of the ab- (Fig. 8). The stops 123 and 124 serve for paragraphs 20, 21 on these walls, the thickness of the groove support of the walls 109 and 110 in the laminated core and insulation is the same everywhere. In addition, it is only in the area of the overlap that a dividing line is prevented from being present across the pole faces. be pressed inwards by the Wickeldnick.
Otherwise, the insulating body completely covers 55. The field assembly is produced in the same way and without interruption as the slot space and the end faces as in the embodiment according to the sides of the laminated core. F i g. 1 to 5, but the assembly of the two

After the insulation body has been put on, halves of the insulation body become easier with this embodiment of the field package 3 in the winding machine because they are pushed over one another and the winding shoes (not shown) with overlapping ends are omitted.
puts. The centering of the winding shoes is carried out with the help of the axially approximate shapes of the end disk parts, the insulation body is in two parts made of outwardly projecting walls 9, 10 be possible to make a one-piece insulation body in a misunderstood way in such a way that turn with a winding 65. Such a body can, for example, have a needle that is moved in and out in the axial direction by injecting the laminated core and in each case around an adjustable plastic in the dead center position

1 sheet of drawings

Claims (8)

the production of the field package, as not only the one-patent claims: bringing a slot insulation separate from the end plate is omitted, but also the end winding 1. Insulation body for isolating the Feidpa- the axially outwardly extending wall without the ketes of an electric motor with pronounced Po- 5 bandages in the desired position, exposing the hole, which is held in one piece to send at least one end face. A larger winding space and at least half of the slot space of the cannot be achieved with this wall, however, since the field package covers and in the area of each pole this is determined by the slot space, which is defined here by shoes each axially from the end plate part because the sheet metal section Both the end outwardly extending wall carries the disc part as well as the extension of the wall, characterized by the fact that the insulating wall in the circumferential direction only coincides with the assembly body (4, S) in the circumferential direction over the sheet metal section. Likewise, a pole of the field package (7; 107) can be used to extend the substantially known insulation body (Swiss patent along its entire axial extent, writing 409 104 and British patent 505 477). 15 through the winding space for a grooved rotor 2. Insulation body according to claim 1, characterized in an axial, sleeve-shaped extension of the Endscheigekennzeichner, that its inner diameter does not increase in part. what is larger than the bore of the field package (7; the same applies to a known end 107) is. disc part (German utility model 1903 087 3. Insulation body according to claim 1 or 2, see above and French patent specification 1 375 509) for a characterized in that the free corner zones grooved stator package, in which in the area of the tooth of each wall (9, 10) each have a bevel aufwei- head an axially protruding Wall provided sen. is because this wall in the circumferential direction only corresponds 4. Insulation body according to one of the claims of the strength of the slot insulation over the teeth 1 to 3, characterized in that 25 protrudes head. each wall (109) has a recess for fixing an exclusively fixing the coil the position of a winding shoe during simplifying action also has an axially protruding of wrapping the field packet (107) . low wall on a known insulation body 5. Insulation body according to one of the types for an upholstery (German utility model Claims 1 to 4, characterized in that it is 30 1 903 087), because here the changing room is exclusively with another, identical insulating body that is separated by the distance between the arms of the upholstery Field package isolated (4, 5). other is determined. In addition, the 6. Insulation body according to claim 5, characterized by the wall here in the circumferential direction not over the insulation, that the lining of the groove space of the arms of the upholstery extends outwards. Although it is at Ending parts (14, 15) are halfway along the length of the 35 DC machines with a pronounced, laminated core (7) overlap. screwed stator poles known. Bobbin too 7. Insulation body according to claim 6, characterized in which, in the wound state, over the characterized in that the two poles are pushed into the slot space and both in the area of the lining parts (14, 15) in the area of the pole foot and the pole head flange parts which overlap Edge zones (20, 21) the half 40 sen, not only in the axial direction, but also Have wall thickness. in the circumferential direction over the shaft of the pole 8. Insulation body according to claim 5, characterized in that in the region of the head approximately in the seigekypen that a part (114) of it the ben dimensions as the pole tips. Since, however, the available winding poles are also lined with the entire slot space between two neighboring machines. 45 space determined by the distance between neighboring poles