CN210041487U

CN210041487U - Stator coil of permanent magnet generator

Info

Publication number: CN210041487U
Application number: CN201921281122.7U
Authority: CN
Inventors: 王远锋; 石斌
Original assignee: ANHUI DEKE ELECTRICAL TECHNOLOGY Co Ltd
Current assignee: ANHUI DEKE ELECTRICAL TECHNOLOGY Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-02-07
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a permanent magnet generator stator coil, which belongs to the technical field of permanent magnet generators and comprises a plurality of winding posts, copper coils and iron cores, wherein the winding posts are annularly distributed on the outer wall of the iron core by taking the iron core as a circle center, each winding post consists of a cylinder body and an adjustable column head at the top end of the cylinder body, and the copper coils are wound on the outer wall of the cylinder body; the iron core is composed of a plurality of mutually overlapped laminations, a bolt hole is formed in the circle center of each lamination, the plurality of laminations are fixed through a main bolt penetrating through the bolt hole, the end points of the laminations and the cylinder are of an integral connecting structure, the connecting positions of the end points of the laminations and the cylinder are different, and the iron core formed by overlapping is as thick as the cylinder. The iron core is formed by stacking the plurality of laminations for connecting the winding posts, and the laminations are fixed through the main bolt, so that the whole iron core is convenient to splice, and the stator coil is convenient to disassemble and maintain.

Description

Stator coil of permanent magnet generator

Technical Field

The utility model relates to a permanent magnet generator technical field, in particular to permanent magnet generator stator coil.

Background

In the current dc motor, an excitation method of generating a main pole magnetic field by a dc current is called current excitation; if the permanent magnet is used for replacing current excitation to generate a main pole magnetic field, the motor is called a permanent magnet motor, and the permanent magnet generator has the advantages of small volume, low loss, high efficiency and the like, so that the research on the permanent magnet generator is very necessary nowadays when the energy conservation and the environmental protection are increasingly emphasized. Brushless motors are used in many cases, and therefore, they are used in small-sized and miniature motors. When the variable frequency power supply is adopted for power supply, the permanent magnet motor can also be used for a speed-regulating transmission system. Permanent magnet motors have been widely used in various fields such as household appliances, medical instruments, automobiles, aviation, national defense and the like with the continuous improvement and perfection of the performance of permanent magnet materials.

The permanent magnet generator realizes that a coil cuts a magnetic induction line to generate current by means of relative motion between a rotor and a stator, an inner rotor is adopted between the rotor and the stator of the permanent magnet generator when the rotor and the stator are matched, an outer rotor is adopted in some cases, the power generation principles of the inner rotor and the outer rotor are the same, only the installation positions of the rotors are different, a stator coil is required to be adopted on the stator, the stator coil of the traditional inner stator type permanent magnet generator mainly comprises winding posts which are annularly distributed on the outer wall of an iron core, the iron core and the winding posts are of an integral structure, when one of the winding posts is worn and damaged, the stator coil needs to be integrally replaced to be continuously used, the maintenance is inconvenient, the use cost is improved, a magnetic yoke wrapping the top of the winding post is arranged at the top of the general winding post and is used for conducting magnetism and preventing the coil from falling off, thus causing inconvenience in winding the adhesive tape.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it just lies in changing and maintaining improvement use cost and yoke and wrapping post fixed connection with the inconvenient dismantlement of iron core body structure in order to solve above-mentioned stator coil's wrapping post, need provide a permanent magnet generator stator coil around the inconvenient problem of yoke during the wire winding, have the iron core concatenation, be convenient for change and maintenance, the adjustable winding advantage that makes things convenient for copper coil of yoke.

The utility model discloses a technical scheme realizes above-mentioned mesh, a permanent magnet generator stator coil, including wrapping post, copper coil and iron core, the wrapping post is equipped with a plurality ofly and takes the iron core as the centre of a circle annular distribution on the outer wall of iron core, the wrapping post comprises cylinder and the adjustable column cap on the top of cylinder, the outer wall winding copper coil of cylinder;

the iron core is composed of a plurality of mutually overlapped laminations, a bolt hole is formed in the circle center of each lamination, the plurality of laminations are fixed through a main bolt penetrating through the bolt hole, the end points of the laminations and the cylinder are of an integral connecting structure, the connecting positions of the end points of the laminations and the cylinder are different, and the iron core formed by overlapping is as thick as the cylinder.

Preferably, one end of the adjustable column head, which is far away from the column body, is provided with a groove, and two symmetrically arranged magnetic yoke angles are arranged inside the groove.

Preferably, the yoke angle portion extends out of the groove, and the total length formed between the two yoke angles and the adjustable column head is larger than the diameter of the copper coil wound on the column.

Preferably, the bottom ends of the magnetic yoke corners are rotatably connected to two sides of the inner wall of the groove through rotating shafts.

Preferably, the fixing plates are arranged on two sides of the outer wall of the adjustable column head, through holes are formed in the fixing plates and the magnetic yoke corners, and fixing bolts are inserted into the through holes.

Preferably, the outer wall of each copper coil is sleeved with an insulating tape.

Preferably, the two sides of the joint of the cylinders and the lamination are provided with tangent planes, and two adjacent cylinders are contacted through the tangent planes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the wrapping post and the iron core that will constitute stator coil set up to the structure that can splice, every wrapping post and every piece lamination structure as an organic whole, it is fixed through the main bolt after the lamination stack, the wrapping post can the annular distribution constitute stator coil at the outer wall of iron core, the position of being connected of every lamination and wrapping post is different, it is the same with the thickness of wrapping post in order to ensure the lamination gross thickness after the stack, and every wrapping post that the annular distributes also is in same horizontal plane, take off the dismantlement of main bolt also convenient iron core, even one of them lamination or wrapping post wearing and tearing also can conveniently dismantle and change, practice thrift stator coil's cost.

2. Through being the structure of compriseing cylinder and adjustable column cap with the wrapping post setting, the top of adjustable column cap sets up the recess, the inside yoke angle that can move about income recess or expand of still installing of recess, with inside the yoke angle income recess in wire-wound for spooling equipment can constitute copper coil on the cylinder with the copper line winding, expand the yoke angle again after the wire winding finishes and fix, compare in the yoke angle of fixed being convenient for more in a flexible way wire winding and at copper coil winding insulating tape.

Drawings

Fig. 1 is a schematic view of the overall structure of the device of the present invention.

Fig. 2 is a schematic view of the connection structure of the wrapping post and the lamination of the present invention.

Fig. 3 is the schematic view of the mounting structure of the magnetic yoke angle of the present invention.

Fig. 4 is a schematic view of the structure of the different connection positions of the lamination and the column body of the present invention.

In the figure: 1. the winding post comprises a winding post, 2, an iron core, 3, a copper coil, 4, an insulating tape, 5, a main bolt, 6, a lamination, 7, a bolt hole, 8, a column body, 9, an adjustable column head, 10, a fixing plate, 11, a through hole, 12, a rotating shaft, 13, a magnetic yoke angle, 14, a groove, 15 and a fixing bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a stator coil of a permanent magnet generator includes a plurality of winding posts 1, copper coils 3 and an iron core 2, wherein the winding posts 1 are annularly distributed on the outer wall of the iron core 2 with the iron core 2 as a center, the winding posts 1 are composed of a post body 8 and an adjustable post head 9 at the top end of the post body 8, and the copper coils 3 are wound on the outer wall of the post body 8; the iron core 2 is composed of a plurality of laminated sheets 6 which are mutually overlapped, a bolt hole 7 is arranged at the circle center of each laminated sheet 6, the laminated sheets 6 are fixed through a main bolt 5 penetrating through the bolt hole 7, the end points of the laminated sheets 6 and a cylinder 8 are in an integral connecting structure, the connecting position of each laminated sheet 6 and the end point of the cylinder 8 is different, the thickness of the iron core 2 which is formed by overlapping is the same as that of the cylinder 8, a stator coil is composed of a winding post 4 and the iron core 2 which are distributed annularly, a copper coil 3 on the winding post 4 is used for cutting magnetic induction lines, the iron core 2 is composed of a plurality of laminated sheets 6 which are overlapped, the laminated sheets 6 are in an integral structure with the cylinder 8 of the winding post 4, therefore, when the iron core 2 is assembled, the winding post 4 is also distributed, as shown in figure 4, the connecting part of each laminated sheet 6 and the cylinder 8 is different, some laminated, therefore, when the iron core 2 is assembled, appropriate laminations 6 are selected for stacking, the connecting parts of the laminations 6 and the column 8 in the middle of the iron core 2 are close to the center of the column 8, and the connecting parts of the laminations 6 and the column 8 below and above the iron core 2 are close to two sides of the column 8, so that the stacked thicknesses of the laminations 6 can be ensured to be the same as that of the column 8, and the columns 8 distributed annularly can also be kept at the same level.

A groove 14 is arranged at one end of the adjustable column head 9 far away from the column body 8, two yoke angles 13 which are symmetrically arranged are arranged inside the groove 14, the part of the yoke angle 13 extends out of the groove 14, the total length formed between the two yoke angles 13 and the adjustable column head 9 is larger than the diameter of the copper coil 3 wound around the column body 8, the bottom ends of the yoke angles 13 are rotatably connected with two sides of the inner wall of the groove 14 through a rotating shaft 12, fixing plates 10 are arranged at two sides of the outer wall of the adjustable column head 9, through holes 11 are arranged on the fixing plates 10 and the yoke angles 13, fixing bolts 15 are inserted into the through holes 11, the surface of the column body 8 is used for winding the copper coil 3, the copper coil 3 can be wound on the surface of the column body 8 through the adjustable column head 9, the yoke angles 13 on the adjustable column head 9 play a role in conducting magnetism of the outer rotor magnetic steel and preventing the copper coil 3 from falling off, make yoke angle 13 not influence the wire winding, wait to the winding after finishing, expand yoke angle 13 again, through-hole 11 on the yoke angle 13 aligns with through-hole 11 on the adjustable column cap 9 lateral wall fixed plate 10, insert fixing bolt 15 and fix, yoke angle 13 can play the magnetic conductivity and prevent the effect that copper coil 3 drops this moment, insulating tape 4 is all cup jointed to the outer wall of every copper coil 3, insulating tape 4 prevents adjacent copper coil 3 and influences each other, cylinder 8 all is equipped with the tangent plane with the both sides of 6 junctions of lamination, through the tangent plane contact between two adjacent cylinders 8, the tangent plane makes the contact surface of adjacent wrapping post 1 laminate more and inseparable, avoid the stator coil of constituteing to rock.

The utility model discloses a theory of operation: constitute stator coil with winding post 1 and iron core 2 earlier, iron core 2 comprises 6 superpositions of a plurality of laminations, superimposed lamination 6 is fixed through

main bolt

5, 6 superpositions of lamination will be arranged into the structure that the annular distributes with winding post 1, laminate through the tangent plane between the adjacent winding post 1, after the stator coil constitutes, through packing up yoke angle 13 with the copper winding on the outer wall of cylinder 8, form copper coil 3, again with 3 outer wall winding insulating tape 4 of copper coil, expand yoke angle 13, it is fixed with yoke angle 13 through fixing bolt 15, can constitute the inner stator.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a permanent magnet generator stator coil, includes wrapping post (1), copper coil (3) and iron core (2), wrapping post (1) is equipped with a plurality ofly and uses iron core (2) distribute as centre of a circle annular on the outer wall of iron core (2), its characterized in that: the winding post (1) consists of a post body (8) and an adjustable post head (9) at the top end of the post body (8), and a copper coil (3) is wound on the outer wall of the post body (8);

iron core (2) are constituteed by the mutual superimposed lamination (6) of a plurality of, the centre of a circle department of lamination (6) is equipped with bolt hole (7), a plurality of lamination (6) are through penetrating main bolt (5) of bolt hole (7) are fixed, lamination (6) with the extreme point of cylinder (8) is connection structure as an organic whole, and every lamination (6) with the hookup location of cylinder (8) extreme point is different, is used for realizing that the stack forms the thickness of iron core (2) with the thickness of cylinder (8) is the same.

2. A permanent magnet generator stator coil according to claim 1, wherein: one end of the adjustable column head (9) far away from the column body (8) is provided with a groove (14), and two symmetrically arranged magnetic yoke angles (13) are arranged inside the groove (14).

3. A permanent magnet generator stator coil according to claim 2, wherein: the yoke corners (13) partially extend out of the grooves (14), and the total length formed between the two yoke corners (13) and the adjustable column head (9) is larger than the diameter of the copper coil (3) wound on the column body (8).

4. A permanent magnet generator stator coil according to claim 2, wherein: the bottom ends of the magnetic yoke angles (13) are rotatably connected to the two sides of the inner wall of the groove (14) through the rotating shaft (12).

5. A permanent magnet generator stator coil according to claim 2, wherein: the adjustable column cap is characterized in that fixing plates (10) are arranged on two sides of the outer wall of the adjustable column cap (9), through holes (11) are formed in the fixing plates (10) and the magnetic yoke corners (13), and fixing bolts (15) are inserted into the through holes (11).

6. A permanent magnet generator stator coil according to claim 1, wherein: and the outer wall of each copper coil (3) is sleeved with an insulating adhesive tape (4).

7. A permanent magnet generator stator coil according to claim 1, wherein: the two sides of the joint of the cylinders (8) and the lamination (6) are provided with tangent planes, and two adjacent cylinders (8) are in contact with each other through the tangent planes.