CN87101938A - Bowl-type and disk rotating electric machine - Google Patents
Bowl-type and disk rotating electric machine Download PDFInfo
- Publication number
- CN87101938A CN87101938A CN 87101938 CN87101938A CN87101938A CN 87101938 A CN87101938 A CN 87101938A CN 87101938 CN87101938 CN 87101938 CN 87101938 A CN87101938 A CN 87101938A CN 87101938 A CN87101938 A CN 87101938A
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- bowl
- enveloping surface
- motor
- magnetic pole
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Abstract
Bowl-type in the motor and disk rotating electric machine.After the imagination air gap went to zero, the movement locus of magnetic pole strength was an enveloping surface.Common electric rotating machine belongs to the motor of cylindrical side shape enveloping surface, and linear electric motors belong to the motor of planar shaped enveloping surface.If make cylindrical side shape enveloping surface be deformed into frustum cone side or annulus, be exactly bowl-type and disk rotating electric machine, they are particularly suitable for need be the occasion of the shape limitation of drive motors at very short cylindrical space.
Description
Bowl-type and disk rotating electric machine.
As everyone knows, the motor except that stationary motor-transformer all is made up of stator and rotor two large divisions, and no matter which kind of motor all has air gap usually.Suppose that air gap goes to zero, then can divide common motor by the enveloping surface (movement locus of magnetic pole strength is hereinafter to be referred as enveloping surface) of magnetic pole strength is two classes, promptly has the common electric rotating machine and the linear electric motors with planar shaped enveloping surface of cylindrical side shape enveloping surface.Use the very little occasion of the draw ratio ratio of iron core diameter (the electric machine iron core axial length with) at needs, common electric rotating machine is difficult to adapt to.Because in this case, the copper material utilance of motor, the specific power ratio of volume or weight (power of motor with) are all very low.Power of motor is decided by the area of enveloping surface to a great extent, therefore, uses with area frustum cone side or annulus to replace cylindrical side, also can obtain same power.Motor with frustum cone side shape or annular enveloping surface just is called bowl-type and disk rotating electric machine.
The present invention specially for need be the drive motors shape limitation at bus length and diameter ratio less than the occasion of 0.4 cylindrical space and design.
The present invention be a kind of have frustum cone side or an annular magnetic pole-face enveloping surface can be with the motor of rotation mode work.It is characterized in that: the magnetic pole strength enveloping surface of stator and rotor is frustum cone side shape or annular.
Basic structure of the present invention is illustrated in conjunction with the accompanying drawings.
As Fig. 3,4(rotation section) shown in.Compare with linear electric motors (Fig. 2) with common electric rotating machine (Fig. 1), its identical and difference is:
1, all forms by stator core (1), stator coil (2), rotor core (3), rotor coil (4) and air gap (5) five major parts.
2, for common electric rotating machine, the air gap after it goes to zero is a cylindrical side shape, and stator core is a cylindrical or cylindrical shape, and coil (common shape) is (repeatedly single and single wave winding) shown in Fig. 4 (b), (c).
For linear electric motors, the air gap after it goes to zero is a planar shaped, and stator core and rotor core are plate shaped, and coil (plain edition) is shown in figure (b), (c).
For the bowl-type electric rotating machine, air gap after it goes to zero is a circle platform side shape, it is an acute angle (0＜θ＜90 °) with the angle of the extended line of the intersection on plane by rotation and rotation, stator core and rotor core are bowl-type, shown in Fig. 3 (a), coil (plain edition), shown in Fig. 4 (d) to (g), in Fig. 4, (a) the axial schematic diagram that launches for iron core basic structure (d) is the interior list winding that changes, (e) be outer single repeatedly winding, (f) being interior single wave winding, (g) is outer single wave winding, and winding two effective edges and proximal points on line (dotted line among Fig. 4) surround an isosceles trapezoid (plain edition).
For disk rotating electric machine, air gap after it goes to zero is one plane ring shaped, it is that (θ=90 ° stator core and rotor core are circular flat board at a right angle with the angle of the extended line of the intersection on plane by rotation and rotation, shown in Fig. 3 (b), coil is similar to the bowl-type electric rotating machine.
3 in electric rotating machine, and the kind of air-gap design of bowl-type machine and dish type machine is subjected to the constraint of assembling level less, can significantly reduce, even eliminate (can ignore), thereby reduce required excitatory number of ampere turns greatly, improves the power factor under underloading or the idle condition.
This shows, linear electric motors (Fig. 2 (b)) are the equal of that common electric rotating machine (Fig. 1 (b)) tangentially launches to form, and the common electric rotating machine of bowl-type electric rotating machine (Fig. 3 (a)) (Fig. 1 (a)) forms to axial expansion, then can think the limit that common electric rotating machine launches to bowl-type electric rotating machine expansion mode as for disk rotating electric machine (Fig. 3 (b)).
Design, make and when using, except that adopting conventional design of electrical motor method and manufacturing process, also have following characteristics: 1. under identical temperature rise requires, can choose bigger specific power, electricity close (current density of winding wire) and magnetic close (magnetic flux density of iron core).2. can even be lower than lower limit by lower limit and choose air gap.3, adopt electromagnetic wire and the filler that not influenced by lubricant, can allow magnetic pole strength bear certain pressure, even under high-speed working condition, adopt the hydrostatic bearing structure.Iron core (alternating flux operating mode) make be by steel coil strip around forming, form tooth and groove through machining again, also can when reeling stamping-out moulding, than the reciprocating type punch press punching productivity ratio height of closed assembly mode again.5. the assembly technology of stator and rotor is simple, precision is high, and this is particularly important to large and medium-sized motor.6. the size of motor little (axially) is easy for installation, even can be used as a parts use that is driven on the plant equipment.
1. go up difference Wound core (3,4) and process wire casing at rotor block (1) and base (2).
2. polish magnetic pole strength (5).
3. be pressed into armature spindle (6) in the rotor block central hole.
4. wind coil with fan-shaped wire frame and be lowered in the wire casing.
5. rotor block is linked to each other with rotary drum (7) and balancing.
6. in centre hole of base, be pressed into radial bearing (8), and on base, put gasket ring (9) successively well, require to have determined the pad (10) and the thrust bearing (11) of thickness according to air gap.
7. after whole rotating part being sling, fall after making armature spindle and radial bearing being aimed at and get final product.
This equipment is made up of kuppe (1), umbrella head (2), exciter rotor (armature, 3), exciter stator (magnetic field, 4), generator amature (magnetic field, 5), generator unit stator (armature, 6), the first road water-stop (7), support (8), lower bearing (centripetal thrust force, 9), armature spindle (10), upper bearing (metal) (centripetal thrust force, 11) and the second road water-stop parts such as (12).
After current entered kuppe, the impact umbrella head drove parts (3), (5) and (10) rotation.Exciter (can adopt disk rotating electric machine) is supplied with exciting current to parts (5), and finishes the generating task by parts (6).
Can adopt following scheme to carry out during manufacturing.
1, goes up making parts (3) and (5) with making embodiment 1 similar method at parts (2).
2, upward make parts (4) and (6) with the 1st method at parts (8).
3, on parts (2), press-fit parts (10).
4, on parts (8), press-fit parts (9), (11) and (12) successively, and place parts (7).
5, the rotor assembly that parts (2), (3), (5) and (10) are formed hangs upside down (inverted when making assembly), falls behind aligning parts (9) and (11).
6, lifting part (1), all operation is finished.
Claims (4)
1, a kind of specially for need be the shape limitation of drive motors at bus length and diameter ratio less than the occasion of 0.4 cylindrical space and the electric rotating machine that designs, it is characterized in that the magnetic pole strength enveloping surface (movement locus of magnetic pole strength) after imaginary air gap goes to zero, by the intersection that cuts by the plane of rotation is a straight line that is not parallel to rotation, that is the magnetic pole strength enveloping surface of this moment is a bowl-type-garden platform side shape or a dish type-plane ring shaped.
2, a kind of motor as claimed in claim 1, the extended line of straight line (straight line of claim 1 indication) and the angle of shaft axis that it is characterized in that it are that an acute angle (0＜θ＜90 °) that is magnetic pole strength enveloping surface are a frustum cone side shape, and its rotor and stator profile also resemble a bowl thereupon.This electric rotating machine of general title is the bowl-type electric rotating machine.
3, a kind of motor as claimed in claim 1, the extended line of straight line (straight line of claim 1 indication) and the angle of rotation that it is characterized in that it are that a right angle (θ=90 °) that is magnetic pole strength enveloping surface are one plane ring shaped, and its rotor and stator profile also resemble the dull and stereotyped plate of a circle thereupon.This electric rotating machine of general title is a disk rotating electric machine.
4, a kind of motor as claimed in claim 1 is characterized in that its winding two effective edges and proximal points on line surround an isosceles trapezoid (plain edition).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87101938 CN87101938A (en) | 1987-03-12 | 1987-03-12 | Bowl-type and disk rotating electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87101938 CN87101938A (en) | 1987-03-12 | 1987-03-12 | Bowl-type and disk rotating electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87101938A true CN87101938A (en) | 1988-02-24 |
Family
ID=4813693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87101938 Pending CN87101938A (en) | 1987-03-12 | 1987-03-12 | Bowl-type and disk rotating electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87101938A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011707A (en) * | 2010-10-19 | 2011-04-13 | 孔和平 | Large-sized magnetically levitated circular track wind driven generator |
| CN102297093A (en) * | 2010-10-19 | 2011-12-28 | 孔和平 | Large maglev circular rail combined wind turbine |
-
1987
- 1987-03-12 CN CN 87101938 patent/CN87101938A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011707A (en) * | 2010-10-19 | 2011-04-13 | 孔和平 | Large-sized magnetically levitated circular track wind driven generator |
| CN102297093A (en) * | 2010-10-19 | 2011-12-28 | 孔和平 | Large maglev circular rail combined wind turbine |
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| WD01 | Invention patent application deemed withdrawn after publication |